12864-12-FC-M-ST-ELED [ETC]
128 x 64 Dot STN Graphic LCD Assembly With T-6963C Graphics Controller LED / EL Panel Backlight; 128× 64点阵STN图形液晶显示组件，带T- 6963C图形控制器LED / EL面板背光
| 型号： | 12864-12-FC-M-ST-ELED |
| 厂家： | 
ETC |
| 描述： | 128 x 64 Dot STN Graphic LCD Assembly With T-6963C Graphics Controller LED / EL Panel Backlight |
| 文件： | 总31页 (文件大小：460K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PACIFIC DISPLAY DEVICES
LCD Component Data Sheet
Model Number: 12864-12
128 x 64 Dot
STN Graphic LCD Assembly
With T-6963C Graphics Controller
LED / EL Panel Backlight
CONTENTS
1. GENERAL INFORMATION
1.1 Product Overview
2
2
3
3
3
4
4
5
1.2 Part Options and Numbering System
1.3 Absolute Maximum Ratings
1.4 Circuit Block Diagram
1.5 Mechanical Characteristics
1.6 Input Signal Function
1.7 LCM Power, Contrast Control and Bias
1.8 LCD Dimensions
2. ELECTRICAL / OPTICAL CHARACTERISTICS
2.1 DC Electrical Characteristics
6
2.2 AC Electrical Characteristics
7
2.3 Optical Characteristics
9
2.4 LED Backlight Characteristics
2.5 EL Panel Backlight Characteristics
11
11
3. LCD CONTROLLER CHARACTERISTICS
3.1 LCD Controller Display and Control Functions (T6963)
3.2 LCD Controller Command List
12
25
26
27
3.3 LCD Controller Character Code map
3.4 Application Circuits
4. RELIABILITY
28
29
5. PRECAUTIONS FOR USING LCD MODULES
139 Avenida Victoria – Suite 100 – San Clemente, CA – 92672
Tel: 949-361-8957 – Fax: 949-361-9158 – Web: www.pacificdisplay.com
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
1. GENERAL INFORMATION
1.1 Product Overview
• 128 x 64 dot matrix LCD
• STN (Super Twisted Nematic) or FSTN (Film compensated Super Twisted Nematic) Technology
• T-6963 (or equivalent) Graphics Controller IC w/ 8K SRAM.
• Multiplex drive : 1/64 duty, 1/9 bias
• LCD Module Service Life: 100,000 hours minimum
1.2 Part Options and Numbering System
12864 -12
-SL -F -ST -ELED -GY
-6
¾ Custom Option Designator:
(-12) T6963 Graphic Controller
•
¾ Operating Mode:
•
•
•
•
(-SL) STN Silver / Gray
(-GR) STN Green
(-BN) STN Blue Negative Image
(-FC) FSTN Black & White Image
¾ Rear Polarizer Options:
•
•
•
(-F) Transflective
(-M) Transmissive
(-R) Reflective (No Backlight)
¾ Operating Temperature:
•
•
(-ST) Standard (0 to +50 ºC)
(-ET) Extended (-20 to +70 ºC)
¾ Backlight Options:
•
•
(-ELED) Array Edge Lit LED Backlight
(-ELP) EL Panel Backlight
¾ Backlight Coloration Options:
•
•
•
•
(-WH) ELP – White
(-GY) LED - Green/Yellow
(-AM) LED - Amber
(-BG) ELP – Blue Green
¾ Viewing Angle:
•
•
(-6) 6 o’clock
(-12) 12 0’clock
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
1.3 Absolute Maximum Ratings
Parameter
Supply voltage for logic
Supply voltage for LCD
Input voltage
Standard Operating temperature
Standard Storage temperature
Extended Operating temperature
Extended Storage temperature
Soldering Temp
Symbol
VDD
VDD – Vo
VI
TOP (-ST)
TST (-ST)
TOP (-ET)
TST (-ET)
Tsolder
Min
-0.3
-0.3
-0.3
0
-10
-20
-30
Max
7.0
10.0
VDD +0.3
50
Unit
V
V
V
ºC
ºC
ºC
ºC
ºC
60
70
80
260
1.4 Circuit Block Diagram
D0 – D7
/WR
8K
SRAM
Controller
LSI
/RD
/CE
T6A39 x 2
SEG Driver
T-6963C
C/D
/RST
FS
(6MHz)
S128
VDD
VSS
Bias
Circuitry
To LSI
T6A40 x 1
COM. Driver
LCD Panel
128 x 64 Dots
C64
VO
Anode
ELED / ELP
Backlight
Cathode
Display Frame Ground
FG
1.5 Mechanical Characteristics
Item
Module size (W×H×T)
Contents
Unit
mm
mm
78.0 x 70.0 x 13.0 Max (LED Backlight)
78.0 x 70.0 x 10.5 Max (No LED Backlight)
62.0 x 44.0
56.28 x 38.36
128 x 64
0.40 x 0.56
0.44 x 0.60
mm
mm
dots
mm
mm
Viewing area (W×H)
Active area (W×H)
Number of dots
Dot size (W×H)
Dot pitch (W×H)
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
1.6 Input Signal Function
Pin No.
Symbol
FG
Level
--
0V
Description
1
2
Frame Ground
Ground
VSS
3
4
5
6
7
8
9
VDD
Vo
/WR
/RD
/CE
C/D
/RST
5.0V
--
Supply voltage for logic
Supply voltage for LCD
/Data Write
/Data Read
/Chip Enable
H/L
H/L
H/L
H/L
L
Code / Data
/Reset
10-17
18
19
20
DB0-DB7
FS
LED K or BL1
LED A or BL2
H/L
H/L
---
Bidirectional Data Bus Lines
Font Select: H=6x8. L=8x8
LED Backlight Cathode Connection or EL Backlight power
LED Backlight Anode Connection or EL Backlight power
---
1.7 LCM Power, Contrast Control and Bias
VDD
VDD
VDD
VDD
-8V
-8V
LCM
LCM
VR:
VR:
20Kohm
VO
VO
20Kohm
VSS
A
VSS
BL1
Backlight
Power
Backlight
Power
ELED
Backlight
EL
Backlight
K
BL2
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
1.8 LCM Dimensions
■ Module Dimensions
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
2. ELECTRICAL / OPTICAL CHARACTERISTICS
2.1 DC Electrical Characteristics (VDD = +5V±10% , VSS = 0V, Ta = 25°C )
Parameter
Supply voltage for logic
Supply current for logic
Symbol
Condition
Min
Typ
Max
5.5
15
--
--
Unit
V
mA
V
V
V
VDD
---
4.5
---
IDD
VDD = 5V
0°C
25°C
50°C
---
---
--
--
8
9.3
8.9
8.7
---
Operating voltage for LCD
VDD- Vo
--
0.8 VDD
0
--
Input voltage ' H ' level
Input voltage ' L ' level
VIH
VIL
VDD
0.2 VDD
V
V
---
---
■ TIMING OF POWER SUPPLY
4.75V
VDD
GND
0~50ms
0~50ms
SIGNAL
VEE
GND
GND
≥ 0ms
≥ 0ms
POWER ON
POWER OFF
Note : The missing pixels may occur when the LCM is
driven except above power supply timing sequence.
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
2.2 AC Electrical Characteristics
Toshiba T-6963C Graphic Controller IC AC Waveform Interface
AC Characteristics (1)
Parameter
Symbol
Min
---
150
---
150
5
170
80
Max
2.75
---
30
290
40
---
---
90
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
Operating Frequency
fSCP
SCP Pulse Width
SCP Rise/Fall Time
LP Set Up Time
LP Hold Time
Data Set Up Time
Data Hold Time
FR Delay Time
tCWH, tCWL
tr, tf
tLSU
tLHD
tDSU
tDHD
td
0
CDATA Set Up Time
CDATA Hold Time
tCSU
tCHD
450
450
850
950
ns
ns
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
AC Characteristics (2)
Parameter
Symbol
tCDS
tCDH
Min
100
10
Max
---
---
Unit
ns
ns
C/D Set Up Time
C/D Hold Time
CE, RD, WR Pulse Width
Data Set Up Time
Data Hold Time
tCE, tRD, tWR
tDS
80
80
40
---
---
---
ns
ns
ns
tDH
Access Time
Output Hold Time
tACC
tOH
---
10
150
50
ns
ns
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
2.3 Optical Characteristics (VOP = 4.7V, Ta = 25°C )
Item
Symbol
Condition
θ=0°
Min Typ Max Unit
Contrast ratio
Cr
---
3.0
---
---
φ=0°
Frame Frequency
Viewing angle range
fFRM
θ1
θ2
Ton
Toff
---
32
-30
30
64
---
---
186
91
150
30
-30
Hz
deg
deg
ms
25°C
25°C
Response time
ms
Definition of angles ∅ and θ:
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
2.4 LED Backlight Characteristics
MODEL NO: 12864-12
■ Yellow-Green LED Operating Characteristics (Edge Lit)
Standard
Typ.
4.1
Item
Symbol
Conditions
Unit
Min.
3.9
---
Max.
4.4
160
8
Forward voltage
Forward Current
Reverse Voltage
Peak Emission
Wavelength
Vf
IF
---
---
VDC
mA
V
100
---
VR
---
---
If=100mA
Yel/Grn
λP
---
570
---
nm
■ Life (Array or Edge Lit)
Standard
Item
Conditions
Unit
Min.
Max.
---
Life
Ta= 25 °C
100,000
hrs
2.5 EL Panel Backlight Characteristics (Blue-Green)
■ Blue-Green EL Panel Operating Characteristics:
Standard
Item
Conditions
Unit
Min.
---
Typ.
Max.
5.0
100VAC RMS, 400Hz
Current Consumption
3.6
mA
Ta: 25°C
EL Drive Voltage
EL Drive Frequency
Operating Temperature
Storage Temperature
Luminance
---
---
---
---
---
---
-35°C
-40°C
48
100
400
---
---
60
150
1000
+50°C
+60°C
---
VAC RMS
Hz
°C
°C
100VAC RMS, 400Hz
Ta: 25°C
cd/m2
Hrs
Luminance Half-Life
3500
---
---
*Note: half life is defined as Luminance being reduced by 50%
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
3. OPERATING PRINCIPALS AND METHODS
3.1 LCD Controller Display and Control Functions (T-6963C Controller)
■ Flowchart of Communications with MPU
● Status Read
Before sending data (Read/Write) command, it is necessary to check the status.
Status check
Status of T6963C can be read from data lines.
RD
WR
L
H
CE
L
C/D
H
D0-D7
Status word
T6963C status word format is following.
MSB
LSB
STA0
D0
STA7
D7
STA6
D6
STA5
D5
STA4
D4
STA3
D3
STA2
D2
STA1
D1
STA0
STA1
STA2
STA3
STA4
STA5
STA6
STA7
Check capability of command execution
Check capability of data read/write
0 : Disable
1 : Enable
0 : Disable
1 : Enable
0 : Disable
1 : Enable
0 : Disable
1 : Enable
Check capability of auto mode data read
Check capability of auto mode data write
Not use
Check capability of controller operation
Error flag. Using screen peek/copy command
Check the condition blink
0 : Disable
1 : Enable
0 : No error
1 : Error
0 : Display off
1 : Normal display
Note 1 : It is necessary to check STA0 and STA1 at the same time. The error is happened by sending data at executing
command.
Note 2 : The status check will be enough to check STA0/STA1.
Note 3 : STA2/STA3 are valid in auto mode STA0/STA1 are invalid.
Status checking flow
AUTO MODE
STATUS
STATUS
STA0=1
STA1=1
STA2=1
(STA3=1)
NO
NO
YES
YES
RETURN
RETURN
Note 4 : It is impossible to save status check in the case of command of MSB0. To have the delay time cannot be save status
check. The interrupt of hardware is happened at the end of lines. If command of MSB0 is sent in this period, the command
executing is waited. The state of waiting doesn’t be known without to check status. The sending next command or data is
disregarded or rewrites data of waiting command.
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
●
In T6963C, the data have been set and command executes.
The order of procedure of command sending
1. The case of 1 data
2. The case of 2 data
COMMAND SENDING
COMMAND SENDING
STATUS CHECK
DATA WRITE
STATUS CHECK
DATA WRITE
STATUS CHECK
COMMAND WRITE
END
STATUS CHECK
DATA WRITE
STATUS CHECK
COMMAND WRITE
Note : In case of over 2 data sending, the last data (or last 2 data) is valid.
END
■ Description of Command
● Register Set
Code
Hex
21H
22H
24H
Function
D1
X ADRS
Data
D2
Y ADRS
00H
00100001
00100010
00100100
Cursor Pointer Set
Offset Register Set
Address Pointer Set
Low ADRS
High ADRS
(1) Cursor Pointer Set
The position of cursor is specified by X ADRS, Y ADRS. The cursor position is moved only by this command. The
cursor pointer doesn’t have the function of increment and decrement. The shift of cursor are set by this command. X ADRS, Y
ADRS are specified following.
X ADRS
Y ADRS
00H~4FH (Lower 7bits are valid)
00H~1FH (Lower 5bits are valid)
1 screen drive
2 screens drive
X ADRS 00~4FH
X ADRS 00~4FH
Y ADRS 00H~0FH
Upper screen
Y ADRS 00H~0FH
Y ADRS 10H~1FH
Lower screen
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
(2) Offset Register Set
The offset register is used to determine external character generator RAM area.
T6963C has 16 bit address lines as follow.
MSB
LSB
ad15 ad14 ad13 ad12 ad11 ad10 ad9 ad8 ad7 ad6 ad5 ad4 ad3 ad2 ad1 ad0
The upper 5 bit (ad15∼ad11) are determined by offset register. The middle 8 bit (ad10∼ad3) are determined by
character code. The lower 3 bit (ad2∼ad0) are determined by vertical counter. The lower 5 bit of D1 (data) are valid. The data
format of external character generator RAM.
The ralationship of display RAM address and offset register
Data of offset register
00000
CG RAM HEX address(start-end)
0000-07FFH
00001
0800-0FFFH
00010
1000-17FFH
11100
E000-E7FFH
11101
E800-EFFFH
11110
F000-F7FFH
11111
F800-FFFFH
(Example 1)
Offset register
Character code
02H
80H
Character generator RAM start address
0001
1
0100
4
0000
0
0000
0
H
( Address )
1400H
1401H
1402H
1403H
1404H
1405H
1406H
1407H
( Data )
00H
1FH
04H
04H
04H
04H
04H
00H
(Example 2)
The relationship of display RAM data and display character
( RAM Data )
21H
( Character )
A B
D E
G H I J K L M
ζ
A
B
γ
D
E
ζ
γ
22H
83H
24H
25H
86H
Display character
Note : γ and ζ are displated by character generator RAM.
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
(3) Address Pointer Set
The address pointer set command is used to indicate the start address for writing (or reading) to external RAM.
The flow chart address pointer set command
ADDRESS POINTER SET
STATUS CHECK
LOW ADDRESS DATA SET
STATUS CHECK
HIGH ADDRESS DATA SET
Address pointer set command send
STATUS CHECK
COMMAND 24H SEND
END
● Control Word Set
Code
Hex
40H
41H
42H
43H
Function
Text home address set
Text area set
Graphic home address set
Graphic area set
D1
D2
High address
00H
High address
00H
01000000
01000001
01000010
01000011
Low address
Columns
Low address
Columns
The home address and column size are defined by this command.
(1) Text Home Address Set
The starting address of external display RAM for Text display is defined by this command. The text home address
shows the left end and most upper position.
The relationship of external display RAM address and display position
TH
TH+CL
TH+TA
(TH+TA)+TA
(TH+2TA)+TA
TH+TA+CL
TH+2TA+CL
TH+3TA+CL
TH+(n-1)TA
TH+(n-1)TA+CL
TH : Text home address
TA : Text area number (columns)
CL : Columns are fixed by hardware. (pin-programmable)
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
(Example)
Text home address
Text area
MD2=H, MD3=H
DUAL=H, MDS=L, MD0=L, MD1=L
:
:
:
:
0000H
0020H
32 columns
16 lines
001EH
003EH
005EH
007EH
009EH
00BEH
00DEH
00FEH
011EH
013EH
015EH
017EH
019EH
01BEH
01DEH
01FEH
0000H
0020H
0040H
0060H
0080H
00A0H
00C0H
00E0H
0100H
0120H
0140H
0160H
0180H
01A0H
01C0H
01E0H
0001H
0021H
0041H
0061H
0081H
00A1H
00C1H
00E1H
0101H
0121H
0141H
0161H
0181H
01A1H
01C1H
01E1H
……
……
……
……
……
……
……
……
……
……
……
……
……
……
……
……
001FH
003FH
005FH
007FH
009FH
00BFH
00DFH
00FFH
011FH
013FH
015FH
017FH
019FH
01BFH
01DFH
01FFH
(2) Graphic Home Address Set
The starting address of external display RAM for Graphic display is defined by this command. The graphic home
address shows the left end most upper line.
The relationship of external display RAM address and display position
GH
GH+CL
GH+GA
(GH+GA)+GA
(GH+2GA)+GA
GH+(n-1)GA
GH+GA+CL
GH+2GA+CL
GH+3GA+CL
GH+(n-1)GA+CL
GH : Graphic home address
GA : Graphic area number (colums)
CL : Columns are fixed by hardware. (pin-programmable)
(Example)
Graphic home address
Graphic area
:
:
0000H
0020H
MD2=H, MD3=H
DUAL=H, MDS=L, MD0=L, MD1=L
:
:
32 columns
16 lines
001EH
0000H
0020H
0040H
0060H
0001H
0021H
0041H
0061H
……
……
……
……
001FH
003FH
005FH
007FH
003EH
005EH
007EH
0F80H
0FA0H
0FC0H
0FE0H
0F81H
0FA1H
0FC1H
0FE1H
……
……
……
……
0F9EH
0FBEH
0FDEH
0FFEH
0F9FH
0FBFH
0FDFH
0FFFH
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
(3) Text Area Set
The columns of display are defined by the hardware setting. This command can be used to adjust columns of display.
(Example)
Text home address
Text area
MD2=H, MD3=H
DUAL=H, MDS=L, MD0=L, MD1=L
:
:
:
:
0000H
001EH
32 columns
16 lines
001DH
003BH
0059H
0077H
0095H
00B3H
00D1H
00EFH
010DH
012BH
0149H
0167H
0185H
01A3H
01C1H
01DFH
0000H
001EH
003CH
005AH
0078H
0096H
00B4H
00D2H
00F0H
010EH
012CH
014AH
0168H
0186H
01A4H
01C2H
0001H
001FH
003DH
005BH
0079H
0097H
00B5H
00D3H
00F1H
010FH
012DH
014BH
0169H
0187H
01A5H
01C3H
……
……
……
……
……
……
……
……
……
……
……
……
……
……
……
……
001EH
003CH
005AH
0078H
0096H
00B4H
00D2H
00F0H
010EH
012CH
014AH
0168H
0186H
01A4H
01C2H
01E0H
001FH
003DH
005BH
0079H
0097H
00B5H
00D3H
00F1H
010FH
012DH
014BH
0169H
0187H
01A5H
01C3H
01E1H
⎯⎯⎯⎯⎯⎯→
LCD
←⎯⎯⎯⎯⎯⎯
(4) Graphic Area Set
The columns of display are defined by the hardware setting. This command can be used to adjust columns of graphic
display.
(Example)
Text home address
Text area
MD2=H, MD3=H
DUAL=H, MDS=L, MD0=L, MD1=L
:
:
:
:
0000H
001EH
32 columns
16 lines
001DH
003BH
0059H
0000H
001EH
003CH
005AH
0001H
001FH
003DH
005BH
……
……
……
……
001EH
003CH
005AH
0078H
001FH
003DH
005BH
0079H
0077H
0E88H
0EA6H
0EC4H
0EE2H
0E89H
0FA7H
0FC5H
0FE3H
……
……
……
……
0EA5H
0EC3H
0EE1H
0EFFH
0EA6H
0EC4H
0EE2H
0F00H
0EA7H
0EC5H
0EE3H
0F01H
⎯⎯⎯⎯⎯⎯⎯⎯→
LCD
←⎯⎯⎯⎯⎯⎯⎯⎯
The address in graphic area can be continuous and RAM area can be used without ineffective area, if graphic area is
defined the same number as the actual column number of LCD display.
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
● Mode Set
Code
1000x000
1000x001
1000x011
1000x100
10000xxx
10001xxx
x : Don’t care
Function
Operand
"OR" Mode
---
---
---
---
---
---
"EXOR" Mode
"AND" Mode
"TEXT ATTRIBUTE" Mode
Internal Character Generator Mode
External Character Generator Mode
The display mode is defined by this command. The display mode don’t have changed until to send next this command.
Logically "OR" , "EXOR", "AND" of text and graphic dispaly can be displayed.
When internal character generator mode is selected, character code 00H~7FH are selected from built-in character
generator ROM. The character code 80H~FFH are automatically selected external character generator RAM.
(Example)
Graphic
Text
"OR"
"AND"
"EXOR"
Note : Only text display is attributed, because attribute data is located in graphic RAM area.
Attribute function
"Reverse display", "Character blink" and "Inhibit" are called "Attribute". The attribute data is written in the graphic
area defined by control word set command. The mode set command selects text display only and graphic display cannot be
displayed.
The attribute data of the lst character in text area is written at the lst byte in graphic area, and attribute data of n-th
character is written at the n-th byte in graphic area. Attribute function is defined as follow.
Attribute RAM byte
x
x
x
x
d3 d2 d1 d0
d3
0
d2
0
d1
0
d0
0
Function
Normal display
0
1
0
1
Reverse display
0
0
1
1
Inhibit display
1
1
1
0
1
0
0
0
1
0
1
1
Blink of normal display
Blink of reverse display
Blink of inhibit display
PACIFIC DISPLAY DEVICES
07.21.2006
18
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
● Display Mode
Code
10010000
1001xx10
1001xx11
100101xx
100110xx
100111xx
Function
Display off
Operand
---
---
---
---
---
---
Cursor on, blink off
Cursor on, blink on
Text on, graphic off
Text off, graphic on
Text on, graphic on
1
0
0
1
d3 d2 d1 d0
Cursor blink
Cursor display
Text display
on : 1, off : 0
on : 1, off : 0
on : 1, off : 0
on : 1, off : 0
Graphic display
Note : It is necessary to turn on "Text display" and "Graphic display" in following case.
1) Combination of text/graphic display
2) Attribute function
● Cursor Pattern Select
Code
10100000
10100001
10100010
10100011
10100100
10100101
10100110
10100111
Function
Operand
1 line cursor
2 lines cursor
3 lines cursor
4 lines cursor
5 lines cursor
6 lines cursor
7 lines cursor
8 lines cursor
---
---
---
---
---
---
---
---
When cursor display is ON, this command selects the cursor pattern from 1 line to 8 lines. The cursor address is
defined by cursor pointer set command.
1 line cursor
2 lines cursor
8 lines cursor
PACIFIC DISPLAY DEVICES
07.21.2006
19
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
● Data Auto Read/Write
Code
10110000
10110001
10110010
Hex
B0H
B1H
B2H
Function
Data auto write set
Data auto read set
Auto reset
Operand
---
---
---
This command is convenient to send full screen data from external display RAM. After setting auto mode, "Data write
(or read)" command is not necessary between each data. "Data auto write (or read)" command should follow the "Address
pointer set" and address pointer is automatically increment by + 1 after each data. After sending (or receiving) all data "Auto
reset" is necessary to return normal operation because all data is regarded "Display data" and no command can be accepted in
the auto mode.
Note : Status check for auto mode (STA2,STA3) should be checked between each data. Auto reset should be performed after
checking STA3=1 (STA2=1). Please refer following flow chart.
AUTO MODE
STATUS CHECK 1
STATUS CHECK 1
STA0=1,
LOWER ADDRESS DATA
STATUS CHECK 1
STA2=1?
NO
YES
UPPER ADDRESS DATA
STATUS CHECK 1
RETURN
ADDRESS POINTER SET 24H
STATUS CHECK 1
STATUS CHECK 2
STA2=1,
DATA AUTO WRITE B0H
STATUS CHECK 2
(STA3=1)?
NO
YES
DISPLAY DATA SEND
STATUS CHECK 2
RETURN
DISPLAY DATA SEND
STATUS CHECK 2
AUTO RESET B2H
END
PACIFIC DISPLAY DEVICES
07.21.2006
20
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
● Data Read Write
Code
11000000
11000001
11000010
11000011
11000100
11000101
Hex
C0H
C1H
C2H
C3H
C4H
C5H
Function
Operand
Data
---
Data
---
Data write and ADP increment
Data read and ADP increment
Data write and ADP decrement
Data read and ADP decrement
Data write and ADP non-variable
Data read and ADP non-variable
Data
---
This command is used for data write from MPU to external display RAM, and data read from external display RAM
to MPU. Data write/data read should be executed after setting address by address pointer set command. Address pointer can be
automatically increment or decrement by setting this command.
Note : This command is necessary for each 1 byte data. Please refer following flow chart.
DATA WRITE START
DATA READ
STATUS CHECK 1
ADDRESS POINTER SET
LOWER ADDRESS DATA
STATUS CHECK 1
STATUS CHECK 1
DATA READ C1H
UPPER ADDRESS DATA
END
STATUS CHECK 1
ADDRESS POINTER SET 24H
STATUS CHECK 1
WRITE DATA SET
STATUS CHECK 1
DATA WRITE C0H
END
PACIFIC DISPLAY DEVICES
07.21.2006
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
● Screen Peek
Code
Hex
Function
Operand
11100000
E0H
Screen Peek
---
This command is used to transfer displayed 1 byte data to data stack, and this 1 byte data can be read from MPU by
data access. The logical combination data of text and graphic display on LCD screen can be read by this command.
The status (STA6) should be checked just after "Screen peek" command. If the address determined by "Address
pointer Set" command is not in graphic area, this command ignored and status flag (STA6) is set. Please refer following flow
chart.
SCREEN PEEK START
STATUS CHECK 1
LOWER ADDRESS DATA
STATUS CHECK 1
UPPER ADDRESS DATA
STATUS CHECK 1
ADDRESS POINTER SET 24H
STATUS CHECK 1
SCREEN PEEK E0H
STATUS CHECK STA6=0?
NO
YES
STATUS CHECK 1
DATA ACCESS
END
PACIFIC DISPLAY DEVICES
07.21.2006
22
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
● Screen Copy
Code
Hex
Function
Operand
11101000
E8H
Screen copy
---
This command is used to copy displayed 1 line data to graphic area. The start point of 1 line data in the screen is
determined by the address pointer. Please refer following flow chart.
Note 1 : In attribute function, this command is invalid. (Because attribute data is in the graphic area.)
Note 2 : In case of 2 screen drive, this command is invalid. (Because T6963C cannot separate upper screen data and lower
screen data.)
SCREEN COPY START
STATUS CHECK 1
LOWER ADDRESS DATA
STATUS CHECK 1
UPPER ADDRESS DATA
STATUS CHECK 1
ADDRESS POINTER SET 24H
STATUS CHECK 1
SCREEN COPY E8H
STATUS CHECK STA6=0?
YES
NO
STATUS CHECK STA0/1=1?
NO
YES
END
PACIFIC DISPLAY DEVICES
07.21.2006
23
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
z Bit Set/Reset
Code
Function
Operand
---
11110xxx
11111xxx
1111x000
1111x001
1111x010
1111x011
1111x100
1111x101
1111x110
1111x111
bit reset
bit set
---
---
---
---
---
---
---
---
bit 0 (LSB)
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7 (MSB)
---
This command is used to set or reset a bit of 1 byte is specified by address pointer. Plural bits in the 1 byte data cannot
be set/reset at a time. Please refer following flow chart.
BIT SET/RESET
STATUS CHECK 1
LOWER ADDRESS DATA
STATUS CHECK 1
UPPER ADDRESS DATA
STATUS CHECK 1
ADDRESS POINTER SET 24H
STATUS CHECK 1
WRITE DATA SET
STATUS CHECK 1
BIT SET (RESET)
END
PACIFIC DISPLAY DEVICES
07.21.2006
24
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
3.2 LCD Controller Command List
Command
Register
Set
Code
00100001
00100010
00100100
01000000
01000001
01000010
01000011
1000x000
1000x001
1000x011
1000x100
10000xxx
10001xxx
10010000
1001xx10
1001xx11
100101xx
100110xx
100111xx
10100000
10100001
10100010
10100011
10100100
10100101
10100110
10100111
10110000
10110001
10110010
11000000
11000001
11000010
11000011
11000100
11000101
11100000
11101000
11110xxx
11111xxx
1111x000
1111x001
1111x010
1111x011
1111x100
1111x101
1111x110
1111x111
D1
X address
Data
Low address
Low address
Columns
Low address
Columns
---
D2
Y address
00H
High address Address pointer set
High address Text home address set
Function
Cursor pointer set
Offset register set
Control
Word Set
00H
Text area set
High address Graphic home address set
00H
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
Graphic area set
"OR" mode
"EXOR" mode
"AND" mode
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
Data
---
Data
---
Data
---
---
---
---
---
---
---
---
Mode Set
"Text attribute" mode
Internal CG ROM mode
External CG RAM mode
Display off
Cursor on, blink off
Cursor on, blink on
Text on, graphic off
Text off, graphic on
Text on, graphic on
1 line cursor
2 lines cursor
3 lines cursor
4 lines cursor
5 lines cursor
6 lines cursor
7 lines cursor
8 lines cursor
Data auto write set
Data auto read set
Auto reset
Data write and ADP increment
Data read and ADP increment
Data write and ADP decrement
Data read and ADP decrement
Data write and ADP nonvariable
Data read and ADP nonvariable
Screen peek
Screen copy
bit reset
bit set
bit 0 (LSB)
bit 1
bit 2
bit 3
bit 4
Display
Mode
Cursor
Pattern
Select
Data Auto
Read/Write
Data Read
Write
Screen Peek
Screen Copy
Bit
Set/Reset
---
---
---
---
bit 5
bit 6
bit 7 (MSB)
---
PACIFIC DISPLAY DEVICES
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
3.3 LCD Controller Character Code Map
PACIFIC DISPLAY DEVICES
07.21.2006
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
3.4 Application Circuits
PACIFIC DISPLAY DEVICES
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
4. RELIABILITY
Environmental Test
Content of Test
No
Test Item
Test Condition
Applicable
Standard
------
.
1
High temperature
storage
Endurance test applying the high storage
temperature for a long time.
60 °C
200 hrs
2
3
Low temperature
storage
High temperature
operation
Endurance test applying the low storage
temperature for a long time.
Endurance test applying the electric stress
(Voltage & Current) and the thermal stress to
the element for a long time.
Endurance test applying the electric stress
under low temperature for a long time.
Endurance test applying the high temperature
and high humidity storage for a long time.
------
-10 °C
200 hrs
50 °C
200 hrs
------
------
4
5
6
Low temperature
operation
0 °C
200 hrs
60 °C , 90 %RH
96 hrs
MIL-202E-103B
JIS-C5023
MIL-202E-103B
JIS-C5023
High temperature /
Humidity storage
High temperature /
Humidity operation
Endurance test applying the electric stress
(Voltage & Current) and temperature / humidity 96 hrs
stress to the element for a long time.
40 °C , 90 %RH
7
Temperature cycle
Endurance test applying the low and high
temperature cycle.
-10°C / 60°C
10 cycles
------
-20°C
30min
25°C
5min.
70°C
30min
1 cycle
Mechanical Test
Endurance test applying the vibration during
transportation and using.
8
Vibration test
Shock test
MIL-202E-201A
JIS-C5025
JIS-C7022-A-10
10∼22Hz → 1.5mmp-p
22∼500Hz → 1.5G
Total 0.5hrs
50G Half sign
wave 1l msedc
3 times of each direction
115 mbar
9
Constructional and mechanical endurance test
applying the shock during transportation.
MIL-202E-213B
10
Atmospheric
pressure test
Endurance test applying the atmospheric
pressure during transportation by air.
MIL-202E-105C
40 hrs
Others
11
Static electricity test Endurance test applying the electric stress to the
terminal.
MIL-883B-
3015.1
VS=800V , RS=1.5 kΩ
CS=100 pF
1 time
∗∗∗ Supply voltage for logic system = VDD. Supply voltage for LCD system = Operating voltage at 25°C
■ LCD Panel Service Life
Definition of panel service life
•
•
•
•
•
100,000 hours minimum at 25° C ±10%
Contrast becomes 30% of initial value
Current consumption becomes three times higher than initial value
Remarkable alignment deterioration occurs in LCD cell layer
Unusual operation occurs in display functions
PACIFIC DISPLAY DEVICES
07.21.2006
28
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
5. PRECAUTIONS FOR USING LCD MODULES
Installing LCD Modules
MODEL NO: 12864-12
The hole in the printed circuit board is used to fix LCM as shown in the picture below. Attend to the following items when
installing the LCM.
1) Cover the surface with a transparent protective plate to protect the polarizer and LC cell.
2) When assembling the LCM into other equipment, the spacer to the bit between the LCM and the fitting plate
should have enough height to avoid causing stress to the module surface, refer to the individual specifications for
measurements. The measurement tolerance should be ±0.1mm.
Precaution for Handing LCD Modules
Since LCM has been assembled and adjusted with a high degree of precision, avoid applying excessive shocks to the module or
making any alterations or modifications to it.
1) Cover the surface with a transparent protective plate to protect the polarizer and LC cell.
2) Do not alter, modify or change the shape of the tab on the metal frame.
3) Do not make extra holes on the printed circuit board, modify its shape or change the positions of components to
be attached.
4) Do not damage or modify the pattern writing on the printed circuit board.
5) Absolutely do not modify the zebra rubber strip (conductive rubber) or heat seal connector.
6) Except for soldering the interface, do not make any alterations or modifications with a soldering iron.
7) Do not drop, bend or twist LCM.
Electro-Static Discharge Control
Since this module uses a CMOS LSI, the same careful attention should be paid to electrostatic discharge as for an ordinary
CMOS IC.
1) Make certain that you are grounded when handing LCM.
2) Before remove LCM from its packing case or incorporating it into a set, be sure the module and your body have
the same electric potential.
3) When soldering the terminal of LCM, make certain the AC power source for the soldering iron does not leak.
4) When using an electric screwdriver to attach LCM, the screwdriver should be of ground potentiality to minimize
as much as possible any transmission of electromagnetic waves produced sparks coming from the commutator of
the motor.
5) As far as possible make the electric potential of your work clothes and that of the work bench the ground
potential.
6) To reduce the generation of static electricity be careful that the air in the work is not too dried. A relative
humidity of 50%-60% is recommended.
Precaution for soldering to the LCM
1) Observe the following when soldering lead wire, connector cable and etc. to the LCM.
a) Soldering iron temperature : 280°C ± 10°C.
b) Soldering time : 3-4 sec.
2) Solder : eutectic solder.
PACIFIC DISPLAY DEVICES
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
3) If soldering flux is used, be sure to remove any remaining flux after finishing to soldering operation. (This does
not apply in the case of a non-halogen type of flux.) It is recommended that you protect the LCD surface with a
cover during soldering to prevent any damage due to flux spatters.
4) When soldering the electroluminescent panel and PC board, the panel and board should not be detached more
than three times. This maximum number is determined by the temperature and time conditions mentioned above,
though there may be some variance depending on the temperature of the soldering iron.
5) When remove the electroluminescent panel from the PC board, be sure the solder has completely melted, the
soldered pad on the PC board could be damaged.
Precautions for Operation
1) Viewing angle varies with the change of liquid crystal driving voltage (VO). Adjust VO to show the best contrast.
2) Driving the LCD in the voltage above the limit shortens its life.
3) Response time is greatly delayed at temperature below the operating temperature range. However, this does not
mean the LCD will be out of the order. It will recover when it returns to the specified temperature range.
4) If the display area is pushed hard during operation, the display will become abnormal. However, it will return to
normal if it is turned off and then back on.
5) Condensation on terminals can cause an electrochemical reaction disrupting the terminal circuit. Therefore, it
must be used under the relative condition of 40°C , 50% RH.
6) When turning the power on, input each signal after the positive/negative voltage becomes stable.
Safety
•
If the LCD panel breaks, be careful not to get the liquid crystal in your mouth. If the liquid crystal touches your skin
or clothes, wash it off immediately using soap and plenty of water.
Handling
•
•
The display panel is made of glass. Do not subject it to a mechanical shock by dropping it or impact.
If the display panel is damaged and the liquid crystal substance leaks out, be sure not to get any in your mouth. If the
substance contacts your skin or clothes, wash it off using soap and water.
•
•
Do not apply excessive force to the display surface or the adjoining areas since this may cause the color tone to vary.
The polarizer covering the display surface of the LCD module is soft and easily scratched. Handle this polarizer
carefully.
•
If the display surface becomes contaminated, breathe on the surface and gently wipe it with a soft dry cloth. If it is
heavily contaminated, moisten cloth with one of the following solvents :
o
o
Isopropyl alcohol
Ethyl alcohol
•
Solvents other than those above-mentioned may damage the polarizer. Especially, do not use the following.
o
o
o
Water
Ketone
Aromatic solvents
•
•
Exercise care to minimize corrosion of the electrode. Corrosion of the electrodes is accelerated by water droplets,
moisture condensation or a current flow in a high-humidity environment.
Install the LCD Module by using the mounting holes. When mounting the LCD module make sure it is free of
twisting, warping and distortion. In particular, do not forcibly pull or bend the I/O cable or the backlight cable.
Do not attempt to disassemble or process the LCD module.
•
•
•
NC terminal should be open. Do not connect anything.
If the logic circuit power is off, do not apply the input signals.
PACIFIC DISPLAY DEVICES
07.21.2006
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
•
To prevent destruction of the elements by static electricity, be careful to maintain an optimum work environment.
o
o
o
Be sure to ground the body when handling the LCD modules.
Tools required for assembling, such as soldering irons, must be properly grounded.
To reduce the amount of static electricity generated, do not conduct assembling and other work under dry
conditions.
o
The LCD module is coated with a film to protect the display surface. Exercise care when peeling off this
protective film since static electricity may be generated.
Storage
•
•
•
•
When storing the LCD modules, avoid exposure to direct sunlight or to the light of fluorescent lamps
Store the module in a dark place where the temperature is 25 oC ±10 oC and the humidity below 65% RH.
Do not store the module near organic solvents or corrosive gases.
Do not crush, shake, or jolt the module (including accessories).
Cleaning
•
•
•
Do not wipe the polarizing plate with a dry cloth, as it may scratch the surface.
Wipe the module gently with soft cloth soaked with a petroleum benzene.
Do not use ketonic solvents (ketone and acetone) or aromatic solvents (toluene and xylene), as they may damage the
polarizing plate.
Others:
•
Liquid crystals solidify under low temperature (below the storage temperature range) leading to defective orientation
or the generation of air bubbles (black or white). Air bubbles may also be generated if the module is subject to a low
temperature.
•
If the LCD modules have been operating for a long time showing the same display patterns, the display patterns may
remain on the screen as ghost images and a slight contrast irregularity may also appear. A normal operating status can
be regained by suspending use for some time. It should be noted that this phenomenon does not adversely affect
performance reliability.
•
To minimize the performance degradation of the LCD modules resulting from destruction caused by static electricity
etc., exercise care to avoid holding the following sections when handling the modules.
-
-
Exposed area of the printed circuit board.
Terminal electrode sections.
PACIFIC DISPLAY DEVICES
07.21.2006
31
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