BU97500FV-E2_技术文档

LCD Segment Driver series

Multifunction

Segment Drivers

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

No.10044EAT04

●Description

New released Multi-function type segment drivers support GPO function, LED driving function, static-driving mode, and

Blink function that can blink each segment individually.

ROHM Multi-function segment driver series contribute to reduction in cost of system and easy software development.

●Features (BU97930MUV, BU97931FV, BU9798KV/GUW)

1) LCD drive output

Common output : 4, Segment output : 27 (BU97930MUV)

Common output : 4, Segment output : 28 (BU97931FV)

Common output : 4, Segment output : 49 (BU9798KV/GUW)

2) Integrated Display data RAM (DDRAM)

RAM: 28*4 =112 bit (BU97930MUV, BU97931FV)

RAM: 49*4 =196 bit (BU9798KV/GUW)

3) 3-wire Serial interface (SD, SCL, CSB)

4) Integrated Oscillator circuit

5) Integrated LCD Voltage generator circuit

Support: 1/3 Bias, 1/3 or 1/4 Duty

Support: 1/1 Bias, 1/1Duty (Static Driving)

Integrated buffer amp

Integrated regulator for LCD drive: 3.2, 3.3, 3.4, 4.4, 4.5, 4.6, 5.0V selectable (BU9798KV/GUW)

6) Support Split Supply for Logic (VDD) and LCD (VLCD)

7) Integrated LED driver circuit

8) Segment terminals operation, segment output mode/GPO output mode selectable

9) Segment terminals operation, segment output mode/LED output mode selectable (BU9798KV/GUW)

10) Support PWM source select, external clock or internal clock

Resolution 8bit mode/12bit mode selectable (BU9798KV/GUW)

Resolution 8bit mode (BU97930MUV, BU97931FV)

11) Low power consumption design

12) Support standby mode

13) Integrated Power-On-Reset circuit (POR).

14) No external component

15) Support Independent blink function

Blink frequency 1.6, 2.0, 2.6, 4.0Hz selectable

16) Operating power supply : 1.8 ~ 3.6V

17) LCD drive power supply : 2.7 ~ 5.5V (BU97930MUV, BU97931FV)

: 3.3 ~ 5.5V (BU9798KV/GUW)

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2010.04 - Rev.A

1/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Features (BU97500KV)

1) LCD drive output:

Common output : 4, Segment output : 51

2) Integrated Display data RAM (DDRAM)

RAM: 51*4 =204 bit

3) 3-wire Serial interface (SD, SCL, CSB )

4) Integrated Oscillator circuit

5) Integrated Power supply circuit for LCD driving:

Support 1/2 and 1/3 Bias

Support 1/3 and 1/4 Duty

Integrated Buffer AMP

6) Support Split Supply for Logic (VDD) and LCD (VLCD)

7) Segment terminals operation, segment output mode/GPO output mode selectable

8) Low power consumption design

9) Support standby mode

10) Integrated Power-on Reset circuit

11) No external components

12) Operating power supply: VDD = 2.7 ~ 5.5V

13) LCD drive power supply: VLCD=4.5 ~ 5.5V

●Applications

Telephone, FAX, Portable equipment (POS, ECR, PDA etc.),

DSC, DVC, Car Audio, Home electrical appliance, Meter equipment, Healthcare equipment etc.

●Line up matrix

Parameter

Segment output

BU97930MUV

BU97931FV

28

BU9798KV/GUW

BU97500KV

52 (1/3Duty)

51 (1/4Duty)

27

1 / 3 / 4

108

49

1 / 3 / 4

196

3 (1/3Duty)

4 (1/4Duty)

Common output

1 / 3 / 4

112

156 (1/3Duty)

204 (1/4Duty)

Total display dot number

Adjustable contrast function

Support split voltage supply

Interface

-

YES

-

YES

3wireSPI

VQFN040V6060

3wire SPI

SSOP-B40

3wire SPI

VQFP64

/ VBGA063W050

Package

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2010.04 - Rev.A

2/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Absolute maximum ratings (VSS = 0V)

BU9798KV

Parameter

BU97930MUV

BU97931FV

-0.3 ~ +4.5

BU97500KV Unit

Remarks

Power supply

/GUW

Power Supply Voltage1

(VDD)

-0.5 ~ +7.0

V

Power Supply Voltage 2

(VLCD)

-0.5 ~ +7.0

LCD drive Voltage

1.0^*2(KV)

Allowable Loss (Pd)

0.8^*1

1.0^*2

W

/ 0.8^*3(GUW)

Input Voltage Range

(VIN)

-0.5 ~ VDD+0.5

-30 ~ +75

-55 ~ +125

V

Operational Temperature

Range (Topr)

-40 ~ +85

℃

Storage Temperature

Range (Tstg)

Output Current (Iout1)

Output Current (Iout2)

Output Current (Iout3)

Output Current (Iout4)

5

-

mA SEG output

mA COM output

mA GPO output

mA LED output

10

50

*1

*2

*3

When use more than Ta=25°C,, subtract 8.0mW per degree. (using ROHM standard board)

(board size: 74.2mm×74.2mm×1.6mm material: FR4 board copper foil: land pattern only)

When use more than Ta=25°C,, subtract 10mW per degree. (using ROHM standard board)

(board size: 70mm×70mm×1.6mm material: FR4 board copper foil: land pattern only)

When use more than Ta=25°C,, subtract 8.0mW per degree. (using ROHM standard board )

(board size: 114.3mm×76.2mm×1.6mm)

●Recommended operating conditions

(BU9798KV/GUW : Ta=-30 ~ 75°C, VSS = 0V)

(BU97930MUV, BU97931FV, BU97500KV : Ta=-40 ~ 85°C,VSS = 0V)

BU97930MUV

BU97931FV BU9798KV/GUW BU97500KV^*4

Parameter

Unit

Remarks

MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX

Power Supply Voltage 1

(VDD)

1.8

-

3.6 1.8

5.5 2.7

-

3.6 1.8

5.5 3.3

-

3.6 2.7

5.5 4.5

-

5.5

V

Power supply

Power Supply Voltage 2

(VLCD)

Power supply

for LCD

2.7

5.5

LED Supply Voltage

(VLED)

Power supply

for LED

-

20

-

20

-

1.0

VLCD

20

-

V

Output Current

(Iout4)

Per LED

port 1ch

-

mA

Output Current

(Iout4)

Total LED

port current

60

*4

The power supply condition shall be met VLCD  VDD.

○

This product is not designed against radioactive ray

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2010.04 - Rev.A

3/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Electrical Characteristics

DC characteristics (Ta=-40 ~ 85 °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0)

Limits

Parameter

Symbol

Unit

Conditions

MIN

TYP

-

MAX

VDD

“H” level input voltage

“L” level input voltage

Hysteresis width

VIH

VIL

0.8VDD

V

SD, SCL, CSB, CLKIN, INHb

SCL, INHb, VDD=3.3V, Ta=25°C

VSS

-

0.2VDD

VH

-

0.2

-

5

V

SD, SCL, CSB, CLKIN,

INHb, VI=3.6V

“H” level input current

“L” level input current

IIH1

-

µA

V

SD, SCL, CSB, CLKIN,

INHb, VI=0V

IIL1

-5

-

VLCD

-0.4

Iload=-50µA, VLCD=5.0V

SEG0 ~ SEG26

VOH1

VOH2

VOH3

VOL1

VOL2

VOL3

VOL4

IstVDD

IstVLCD

-

VLCD

-0.4

Iload=-50µA, VLCD=5.0V,

COM0 ~ COM3

“H” level output voltage ^(*2)

-

V

VLCD

-0.6

Iload=-1mA,VLCD=5.0V,

SEG23 ~ SEG26(GPO mode)

-

V

Iload= 50µA, VLCD=5.0V,

SEG0 ~ SEG26

-

0.4

0.5

10

5

V

Iload= 50µA, VLCD=5.0V,

COM0 ~ COM3

V

“L” level output voltage ^(*2)

Iload=1mA, VLCD=5.0V,

SEG23 ~ SEG26(GPO mode)

-

V

Iload=20mA, VLCD=5.0V,

LED

0.34

3

V

Input terminal ALL’L’,

Display off, Oscillation off

µA

Input terminal ALL’L’,

0.5

Display off, Oscillation off

VDD=3.3V, Ta=25^°C, 1/3bias, fFR=64Hz,

IVDD1

IVDD2

-

8

15

45

µA PWM generate off,

All output pin open

VDD=3.3V, Ta=25^°C, 1/3bias, fFR=64Hz,

µA PWM Frequency=500Hz setting,

All output pin open

Current consumption (*1)

30

VDD=5.0V, Ta=25^°C, 1/3bias, fFR=64Hz,

µA LED generate off,

IVLCD1

IVLCD2

-

10

30

15

48

All output pin open

VDD=5.0V, Ta=25^°C, 1/3bias, fFR=64Hz,

µA PWM Frequency=500Hz setting,

All output pin open

*1 Power save mode 1 and frame inversion setting

*2 Iload: In case, load current from only one port

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2010.04 - Rev.A

4/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

Oscillation Frequency Characteristics (Ta=-40 ~ 85 °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0)

Limits

Parameter

Symbol

Unit

Conditions

MIN

57.6

51.2

45.0

MIN

64

-

MIN

70.4

73.0

64

Frame frequency 1

Frame frequency 2

Frame frequency 3

fFR1

fFR2

fFR3

Hz VDD=3.3V, Ta=25°C,fFR=64Hz setting

Hz VDD=2.5 ~ 3.6V

Hz VDD=1.8 ~ 2.5V

FR=64Hz setting

fFR=64Hz setting

MPU interface Characteristics (Ta=-40 ~ 85 °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0)

Limits

Unit

Parameter

Symbol

Conditions

MIN

-

TYP

MAX

Input rise time

tr

-

50

-

ns

Input fall time

tf

-

SCL cycle time

“H” SCL pulse width

“L” SCL pulse width

SD setup time

tSCYC

tSHW

tSLW

tSDS

tSDH

tCSS

tCSH

tCHW

250

50

-

SD hold time

-

CSB setup time

CSB hold time

-

“H” CSB pulse width

-

tCHW

CSB

tCSS

tCSH

tr

tSCYC

tf

tSLW

SCL

tSHW

tSDH

tSDS

SD

Fig.1 Serial Interface Timing

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2010.04 - Rev.A

5/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

DC characteristics (Ta=-40 ~ 85 °C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0)

Limits

Parameter

Symbol

Unit

Conditions

SD, SCL, CSB, CLKIN

MIN

TYP

-

MAX

VDD

“H” level input voltage

“L” level input voltage

Hysteresis width

VIH

VIL

0.8VDD

V

VSS

-

0.2VDD

VH

-

0.2

-

5

V

SCL, VDD=3.3V, Ta=25°C

SD, SCL, CSB, CLKIN,

VI=3.6V

“H” level input current

“L” level input current

IIH1

-

µA

V

SD, SCL, CSB, CLKIN,

VI=0V

IIL1

-5

-

VLCD

-0.4

Iload=-50µA, VLCD=5.0V

SEG0 ~ SEG27

VOH1

VOH2

VOH3

VOL1

VOL2

VOL3

VOL4

IstVDD

IstVLCD

-

VLCD

-0.4

Iload=-50µA, VLCD=5.0V,

COM0 ~ COM3

“H” level output voltage^(*2)

-

V

VLCD

-0.6

Iload=-1mA,VLCD=5.0V,

SEG23 ~ SEG27(GPO mode)

-

V

Iload= 50µA, VLCD=5.0V,

SEG0 ~ SEG27

-

0.4

0.5

10

5

V

Iload= 50µA, VLCD=5.0V,

COM0 ~ COM3

V

“L” level output voltage^(*2)

Iload=1mA, VLCD=5.0V,

SEG23 ~ SEG27(GPO mode)

-

V

Iload=20mA, VLCD=5.0V,

LED

0.34

3

V

Input terminal ALL’L’,

Display off, Oscillation off

µA

Input terminal ALL’L’,

Display off, Oscillation off

0.5

VDD=3.3V, Ta=25°C, 1/3bias, fFR=64Hz,

µA PWM generate off,

IVDD1

IVDD2

-

8

15

45

All output pin open

VDD=3.3V, Ta=25^°C, 1/3bias, fFR=64Hz,

µA PWM Frequency=500Hz setting,

All output pin open

Current consumption ^(*1)

30

VLCD=5.0V, Ta=25°C, 1/3bias,

fFR=64Hz,

LED generate off,

All output pin open

VLCD=5.0V, Ta=25°C, 1/3bias,

fFR=64Hz,

PWM Frequency=500Hz setting,

IVLCD1

IVLCD2

-

10

30

15

48

µA

All output pin open

*1

*2

Power save mode 1 and frame inversion setting

Iload: In case, load current from only one port

www.rohm.com

2010.04 - Rev.A

6/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

Oscillation Frequency Characteristics (Ta=-40 ~ 85°C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0)

Limits

Parameter

Symbol

Unit

Conditions

MIN

57.6

51.2

45.0

MIN

64

-

MIN

70.4

73.0

64

Frame frequency 1

Frame frequency 2

Frame frequency 3

fFR1

fFR2

fFR3

Hz VDD=3.3V, Ta=25°C, fFR=64Hz setting

Hz VDD=2.5 ~ 3.6V

Hz VDD=1.8 ~ 2.5V

fFR=64Hz setting

MPU interface Characteristics (Ta=-40 ~ 85°C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0)

Limits

Unit

Parameter

Symbol

Conditions

MIN

-

TYP

MAX

Input rise time

tr

-

50

-

ns

Input fall time

tf

-

SCL cycle time

“H” SCL pulse width

“L” SCL pulse width

SD setup time

tSCYC

tSHW

tSLW

tSDS

tSDH

tCSS

tCSH

tCHW

250

50

-

SD hold time

-

CSB setup time

CSB hold time

-

“H” CSB pulse width

-

tCHW

CSB

tCSS

tCSH

tr

tSCYC

tf

tSLW

SCL

tSHW

tSDH

tSDS

SD

Fig.2 Serial Interface Timing

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2010.04 - Rev.A

7/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

DC characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0)

Limits

Parameter

Symbol

Unit

Conditions

MIN

TYP

-

MAX

VDD

“H” level input voltage

“L” level input voltage

Hysteresis width

VIH

VIL

VH

0.8VDD

V

SD, SCL, CSB, TEST1,CLKIN, INHb

SCL, INHb, VDD=3.3V, Ta=25°C

VSS

-

0.2

-

0.2VDD

-

5

-

V

SD, SCL, CSB, CLKIN,

INHb, VI=3.6V

“H” level input current

“L” level input current

IIH1

IIL1

µA

SD, SCL, CSB, CLKIN,

INHb, TEST1 VI=0V

-5

-

Iload=-50µA, VLCD=5.0V

SEG0 ~ SEG48,

Unused integrated regulator

VLCD

-0.4

VOH1

VOH2

VOH3

-

V

Iload=-50µA, VLCD=5.0V,

COM0 ~ COM3,

Unused integrated regulator

VLCD

-0.4

“H” level output voltage^{(*1, *3)}

Iload=-1mA,VLCD=5.0V,

SEG15 ~ SEG45(GPO mode)

Unused integrated regulator

VLCD

-0.6

VDD

-0.6

VOH4

VOL1

-

V

Iload=-1mA, VDD=3.0V, PWMOUT

-

0.4

0.5

10

5

Iload=50µA, VLCD=5.0V, SEG0 ~ SEG48

Iload=50µA, VLCD=5.0V, COM0 ~ COM3

VOL2

V

“L” level output voltage ^(*3)

Iload=1mA, VLCD=5.0V,

SEG15 ~ SEG45(GPO mode), PWMOUT

VOL3

-

V

Iload=20mA, VLCD=5.0V,

SEG46 ~ 48 (LED drive mode)

VOL4

0.11

3

V

Input terminal ALL’L’,

Display off, Oscillation off

IstVDD

IstVLCD

IVDD1

µA

Input terminal ALL’L’,

Display off, Oscillation off

0.5

8

VDD=3.3V, Ta=25°C, 1/3bias, fFR=64Hz,

PWM generate off, All output pin open

15

VDD=3.3V, Ta=25°C, 1/3bias, fFR=64Hz,

µA PWM Frequency=500Hz setting,

IVDD2

-

90

10

130

15

All output pin open

VLCD=5.0V, Ta=25°C, 1/3bias, fFR=64Hz

Unused Integrated regulator,

LED generate off,

Current consumption _(*2)

IVLCD1

µA

All output pin open

VLCD=5.0V, Ta=25°C, 1/3bias, fFR=64Hz

Used Integrated regulator,

LED generate off,

All output pin open

IVLCD2

IVLCD3

-

25

30

40

48

µA

VLCD=5.0V, Ta=25°C,1/3bias, fFR=64Hz,

Used Integrated regulator,

PWM Frequency=500Hz setting,

µA

All output pin open

*1

*2

*3

Integrated regulator using case, please add load regulation value to output voltage listed above.

Power save mode 1 and frame inversion setting

Iload: In case, load current from only one port

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2010.04 - Rev.A

8/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

Integrated Regulator Characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0)

(BU9798KV)

Limits

Parameter

Symbol

Unit

Conditions

MIN

4.35

4.42

-

TYP

4.5

-

MAX

4.65

4.58

0.3

Output voltage 1

Vreg1

Vreg2

V

4.5V setting (VLCD=5.5V, Ta=-30 ~ 75°C)

4.5V setting (VLCD=5.5V, Ta=25°C)

Iout = -300µA

Output voltage 2

Load regulation ^(**)

delta Vreg

(BU9798GUW)

Parameter

Limits

TYP

4.5

Symbol

Unit

Conditions

MIN

4.25

4.38

-

MAX

4.70

4.62

0.3

Output voltage 1

Output voltage 2

Load regulation ^(**)

Vreg1

Vreg2

V

4.5V setting (VLCD=5.5V, Ta=-30 ~ 75°C)

4.5V setting (VLCD=5.5V, Ta=25°C)

Iout = -300µA

4.5

delta Vreg

-

*

In case integrated regulator using, please satisfy condition that Vreg output lower than VLCD – 0.5V.

(**) Load regulation: Vreg block load regulation only. Do not include other block ability.

Oscillation Frequency Characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0)

Limits

Parameter

Symbol

Unit

Conditions

MIN

57.6

51.2

45.0

-

TYP

64

-

MAX

70.4

73.0

64

Frame frequency 1

Frame frequency 2

Frame frequency 3

CLKIN Input frequency

fFR1

fFR2

fFR3

fCLK

Hz VDD=3.3V, Ta=25°C, fFR=64Hz setting

Hz VDD=2.5 ~ 3.6V fFR=64Hz setting

Hz VDD=1.8 ~ 2.5V fFR=64Hz setting

MHz

2

4

MPU interface Characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0)

Limits

Parameter

Symbol

Unit

Conditions

MIN

-

TYP

MAX

Input rise time

tr

-

50

-

ns

Input fall time

tf

-

SCL cycle time

“H” SCL pulse width

“L” SCL pulse width

SD setup time

tSCYC

tSHW

tSLW

tSDS

tSDH

tCSS

tCSH

tCHW

250

50

-

SD hold time

-

CSB setup time

CSB hold time

-

“H” CSB pulse width

-

tCHW

CSB

tCSH

tCSS

tr

tf

tSCYC

tSLW

SCL

SD

tSHW

tSDH

tSDS

Fig.3 Serial Interface Timing

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2010.04 - Rev.A

9/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

DC Characteristics (Unless otherwise indicated, VDD=2.7 ~ 5.5V, VLCD=4.5 ~ 5.5V, VSS=0V, Ta=-40 ~ 85°C)

Limits

Parameters

“H” Input Voltage

Symbol

Unit

Conditions

MIN

TYP

-

MAX

VDD

VIH

VIL

0.7VDD

V

SD, SCL, CSB, RESB, OSC

“L” Input Voltage

“H” Input Current

“L” Input Current

VSS

-5.0

-

0.3VDD

5.0

SD,SCL,CSB,RESB, OSC

VI=5.5V

IIH

µA

SD,SCL,CSB,RESB, OSC

VI=0V

IIL

VLCD

-1.0

VOH1

VOH2

VOH3

VOL1

VOL2

VOL3

VMID1

VMID2

VMID3

VMID4

VMID5

VMID6

IstVDD

IstVLCD

P1 ~ P4, Io=1mA

VLCD

-1.0

“H” Level Output Voltage

“L” Level Output Voltage

V

S1 ~ S52, Io=20µA

COM1 ~ COM4, Io=100µA

P1 ~ P4, Io=1mA

VLCD

-1.0

-

1.0

S1 ~ S52, Io=20µA

COM1 ~ COM4, Io=100µA

-

1/2VLCD

-1.0

1/2VLCD

+1.0

S1 ~ S52

1/2 Bias, Io=±100µA

-

1/2VLCD

-1.0

1/2VLCD

+1.0

COM1 ~ COM4

1/2 Bias, Io=±100µA

-

2/3VLCD

-1.0

2/3VLCD

+1.0

S1 ~ S52

1/3 Bias, Io=±20µA

-

LCD Bias Voltage

V

1/3VLCD

-1.0

1/3VLCD

+1.0

S1 ~ S52

1/3 Bias, Io=±20µA

-

2/3VLCD

-1.0

2/3VLCD

+1.0

COM1 ~ COM4

1/3Bias, Io=±100µA

-

1/3VLCD

-1.0

1/3VLCD

+1.0

COM1 ~ COM4

1/3 Bias, Io=±100µA

-

Input Pin ALL ”L”

Display off, Disable oscillator

-

1

5

Input Pin ALL ”L”

Display off, Disable oscillator

VDD=VLCD=5.0V

Output unloaded

fFR=80Hz

ILCD1

ILCD2

ILCD3

-

2

10

95

Current consumption

µA

VDD=VLCD=5.0V

Output unloaded

1/2 Bias, fFR=80Hz

40

65

VDD=VLCD=5.0V

Output unloaded

1/3 Bias, fFR=80Hz

140

www.rohm.com

2010.04 - Rev.A

10/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

Oscillation Characteristics (Ta=-40 ~ 85°C, VDD=2.7 ~ 5.5V, VLCD=4.5 ~ 5.5V , VSS=0V)

Limits

Parameters

Symbol

Unit

Conditions

MIN

56

TYP

80

MAX

104

Frame Frequency

fCLK

Hz fFR = 80Hz setting, 1/4 Duty setting

MPU interface Characteristics (Ta=-40 ~ 85°C, VDD=2.7V ~ 5.5V, VLCD=4.5 ~ 5.5V , VSS=0V)

Limits

Parameters

Symbol

Unit

Conditions

MIN.

-

TYP.

MAX.

Input Rise Time

tr

-

80

-

ns

Input Fall Time

tf

-

SCL Cycle Time

“H” SCL Pulse Width

“L” SCL Pulse Width

SD Setup Time

tSCYC

tSHW

tSLW

tSDS

tSDH

tCSS

tCSH

tCHW

400

100

20

50

-

SD Hold Time

-

CSB Setup Time

CSB Hold Time

-

“H” CSB Pulse Time

-

tCHW

CSB

tCSS

tCSH

tr

tSCYC

tf

tSLW

SCL

tSHW

tSDH

tSDS

SD

Fig.4 Serial interface Timing

www.rohm.com

2010.04 - Rev.A

11/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Block diagrams / Pin arrangement / Terminal description

●Block diagrams

●Pin arrangement

COM0……COM3

SEG0 …...22、SEG23...26

LED

VLCD

LCD voltage

Generator

common

driver

Segment

driver

Segment

driver/GPO

LED

driver

40

11

VSS

COM3

GPO

Controller

39

12

LED

SEG0

LCD

BIAS

SELECTOR

38

13

SEG26

SEG1

blink timing

generator

common

counter

DDRAM

GPO data latch

37

14

PWM

Generator

SEG25

SEG2

36

15

SEG24

SEG3

VSS

EXT-PAD

35

16

17

18

19

20

SEG23

SEG4

SEG5

SEG6

SEG7

SEG8

INHb

34

SEG22

Command register

Data Decoder

clock

CR Oscillator

divider

(typ=40.96kHz)

(Div.2)

33

SEG21

Power On

Reset

serial inter face

32

CLKIN

SEG20

OSC block

VDD

31

SEG19

IF FILTER

SD

VSS

CSB

SCL

Fig.5 Block Diagram (BU97930MUV)

Fig.6 Pin Arrangement (BU97930MUV)

●Terminal description

Terminal

number

Terminal

CSB

I/O

unused case

Function

1

2

I

VDD

Chip select: "L" active

Serial data transfer clock

Input serial data

SCL

VSS

SD

3

I

VSS

VDD

4

-

I

-

Power supply for LOGIC

External clock input terminal (for display/PWM using selectable)

Support Hi-Z input mode at internal clock mode

CLKIN

VSS

6

OPEN / VSS

40

7

-

GND

VLCD

Power supply for LCD

Display turning on/off select terminal

H: turning on display, L: turning off display

INHb

5

I

VDD

INHb = “L”: All SEG/COM terminal : output VSS level

GPO terminal : output VSS level

LED drive terminal : output Hi-Z

COM0 ~ 3

SEG0 ~ 22

SEG23 ~ 26

LED

8-11

12-34

35-38

39

O

-

OPEN

VSS

COMMON output for LCD

SEGMENT output for LCD

SEGMENT output for LCD/GPO

LED driver output

EXT-PAD

-

substrate

www.rohm.com

2010.04 - Rev.A

12/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Block diagrams

●Pin arrangement

COM0……COM3 SEG0…..22, SEG23…27

LED

VLCD

common

driver

Segment

driver

Segment

driver/GPO

LED

Driver

LCD voltage

Generator

GPO

Controller

40

21

LCD

BIAS

SELECTOR

common

counter

blink timing

generator

DDRAM

GPO data latch

PWM

Generator

VSS

1

20

Command register

Data Decoder

CLKIN

OSCILLATOR

Power On Reset

serial inter face

VDD

VSS

IF FILTER

SD

CSB

SCL

Fig.7 Block Diagram (BU97931FV)

Fig.8 Pin Arrangement (BU97931FV)

●Terminal description

Terminal

number

Terminal

CSB

I/O

I

unused case

Function

26

VDD

Chip select: "L" active

Serial data transfer clock

Input serial data

SCL

27

28

I

VSS

SD

I

VSS

VDD

29

-

OPEN / VSS

-

Power supply for LOGIC

External clock input terminal (for display/PWM using selectable)

Support Hi-Z input mode at internal clock mode

CLKIN

VSS

30

I

25

-

GND

VLCD

31

-

Power supply for LCD

COMMON output for LCD

SEGMENT output for LCD

SEGMENT output for LCD/GPO

LED driver output

COM0 ~ 3

SEG0 ~ 22

SEG23 ~ 27

LED

32-35

O

OPEN

36-40

1-18

19-23

24

www.rohm.com

2010.04 - Rev.A

13/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Block diagrams

●Pin arrangement

COM0……COM3 SEG0 ……………………………… SEG48

VSS2

VLCD

LCD voltage

Generator

common

driver

Segment

driver

Segment

driver/GPO driver/LED

Segment

49

32

SEG36

SEG19

Ref Voltage

Circuit

SEG37

SEG38

SEG39

SEG40

SEG41

SEG42

SEG43

SEG44

SEG45

SEG46

SEG47

SEG48

VSS2

SEG18

SEG17

SEG16

SEG15

SEG14

SEG13

SEG12

SEG11

SEG10

SEG9

Vreg

GPO/LED

Controller

LCD

BIAS

SELECTOR

blink timing

generator

common

counter

DDRAM

GPO data latch

PWM

Generator

VSS

SEG8

INHb

Command register

Data Decoder

SEG7

SEG6

OSCILLATOR

CLKIN

Power On Reset

PWMOUT

SEG5

serial inter face

CLKIN

SEG4

64

17

Output

Controller

VDD

VSS

IF FILTER

SD

TEST1

CSB

SCL

PWMOUT

Fig.9 Block Diagram (BU9798KV)

Fig.10 Pin Arrangement (BU9798KV)

●Terminal description

Terminal

number

Terminal

CSB

I/O

unused case

Function

1

I

-

I

-

VDD

Chip select: "L" active

Serial data transfer clock

Input serial data

SCL

2

3

VSS

SD

VSS

VDD

4

-

Power supply for LOGIC

External clock input terminal (for display/PWM using selectable)

Support Hi-Z input mode at internal clock mode

CLKIN

TEST1

VSS1

VLCD

64

5

OPEN / VSS

-

TEST terminal (Please connect VSS terminal)

6

GND

8

Power supply for LCD

Display turning on/off select terminal

H: turning on display, L: turning off display

INHb

7

I

VDD

INHb = “L”: All SEG/COM terminal : output VSS level

GPO terminal : output VSS level

LED drive terminal : output Hi-Z

PWMOUT

COM0 ~ 3

SEG0 ~ 14

SEG15 ~ 45

SEG46 ~ 48

VSS2

63

O

-

OPEN

GND

PWM output for LED2 group

COMMON output for LCD

9-12

13-27

28-58

59-61

62

SEGMENT output for LCD

SEGMENT output for LCD/GPO

SEGMENT output for LCD/LED driver

GND (for SEG46-48 / LED driver)

www.rohm.com

2010.04 - Rev.A

14/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Block diagrams

●Pin arrangement

COM0……COM3 SEG0 ……………………………… SEG48

VSS2

1

2

3

4

5

6

7

8

VLCD

LCD voltage

Generator

common

driver

Segment

driver

Segment

driver/GPO driver/LED

Segment

SEG SEG SEG SEG SEG SEG SEG SEG

H

G

F

4

5

9

11

14

16

18

20

Ref Voltage

Circuit

Vreg

SEG SEG SEG SEG SEG SEG

12 17

SE

G19

SEG

21

GPO/LED

Controller

2

3

7

8

LCD

BIAS

SELECTOR

SEG SEG SEG SEG SEG SEG SEG SEG

10 13 22 23 25

blink timing

generator

common

counter

DDRAM

GPO data latch

0

1

6

PWM

Generator

COM COM COM COM SEG SEG SEG SEG

15 26 24 27

E

D

C

B

A

2

0

1

3

VSS

SEG SEG SEG SEG SEG

VLCD VDD INHB

47

31

29

28

30

INHb

Command register

Data Decoder

SEG SEG SEG SEG SEG

45 42 38 33 32

OSCILLATOR

CLKIN

VSS1 SDA SCL

CLK

Power On Reset

serial inter face

Output

Controller

SEG SEG SEG SEG SEG

VDD

VSS

(NC)

VSS2

IF FILTER

SD

IN

44

40

39

35

34

PWM SEG SEG SEG SEG SEG SEG

OUT 48 46 43 41 37 36

CSB

SCL

PWMOUT

Fig.11 Block Diagram (BU9798GUW)

Fig.12 Pin Arrangement (BU9798GUW)

●Terminal description

Unused

case

Terminal

I/O

Function

CSB

SCL

I

VDD

Chip select: "L" active

Serial data transfer clock

Input serial data

VSS

SD

I

VSS

VDD

CLKIN

VSS1

VLCD

-

I

-

Power supply for LOGIC

External clock input terminal (for display/PWM using selectable)

Support Hi-Z input mode at internal clock mode

OPEN / VSS

-

GND

Power supply for LCD

Display turning on/off select terminal

H: turning on display, L: turning off display

INHb

I

VDD

INHb = “L”: All SEG/COM terminal : output VSS level

GPO terminal : output VSS level

LED drive terminal : output Hi-Z

PWMOUT

COM0 ~ 3

SEG0 ~ 14

SEG15 ~ 45

SEG46 ~ 48

VSS2

O

-

OPEN

GND

PWM output for LED2 group

COMMON output for LCD

SEGMENT output for LCD

SEGMENT output for LCD/GPO

SEGMENT output for LCD/LED driver

GND (for SEG46-48 / LED driver)

www.rohm.com

2010.04 - Rev.A

15/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Block diagrams

●Pin arrangement

LCD VOLTAGE GENERATOR

49

32

VLCD

SEGMENT DRIVER & LATCH

SHIFT REGISTER

S46

S32

COMMON

DRIVER

+

-

S47

S48

S31

S30

S29

S28

S27

S26

S25

S24

S23

S22

S21

S20

S19

S18

+

-

S49

S50

S51

S52

CLOCK

GENERATOR

CONTROL

REGISTER

OSC

RESB

DO

TEST

SD

CSB

SCL

SD

3SPI

INTERFACE

SCL

CSB

VLCD

VDD

VSS

64

S17

17

P.O.R

RESET

FILTER

Fig.13 Block Diagram (BU97500KV)

Fig.14 Pin Arrangement (BU97500KV)

●Terminal description

Terminal

No.

Unused

case

Terminal

CSB

I/O

I

Function

59

60

VDD

Chip select : “L”active

Serial data transfer clock

Input Serial data

SCL

I

VSS

SD

61

I

VSS

VDD

63

-

OPEN / VSS

-

Power Supply for the logic

External clock input terminal

Supported Hi-Z input if the internal clock mode.

OSC

56

I/O

-

VSS

64

GND

VLCD

62

-

Power Supply for the LCD driver

COMMON output for LCD driving

COM1 ~ 3

COM4/S41

S1/P1 ~ S4/P4

41-43

44

O

OPEN

COMMON / SEGMENT output for LCD driving

Assigned as SEGMENT output if 1/3Duty mode.

1-4

SEGMENT output for LCD driving / General Purpose output

SEGMENT output for LCD driving

S5 ~ S40

S42 ~ S52

5-40

45-55

Reset Input:

RESB=“L” : Display is disabled

RESB=“H” : Display is controllable

NOTE) 3-SPI is NOT available if RESET is “L”.

RESB

DO

57

58

I

VDD

O

OPEN

Output for manufacturing test:

www.rohm.com

2010.04 - Rev.A

16/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●I/O equivalent circuit

VLCD

VSS

VDD

VSS

VDD

CSB, SD,

SCL,INHb

CLKIN

VSS

VLCD

SEG0-22

COM0-3

SEG23-26

VSS

LED

VSS

Fig.15 I/O equivalent circuit

www.rohm.com

2010.04 - Rev.A

17/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

VLCD

VDD

VSS

VDD

CSB, SD,

SCL

CLKIN

VSS

VLCD

SEG0-22

COM0-3

SEG23-27

VSS

LED

VSS

Fig.16 I/O equivalent circuit

www.rohm.com

2010.04 - Rev.A

18/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

VLCD

VDD

VSS1

VDD

CSB, SD,

SCL, INHb

TEST1

VSS

VSS1

VDD

PWMOUT

CLKIN

VSS1

VLCD

SEG0-14

COM0-3

SEG15-45

VSS1

VLCD

SEG46-48

VSS2

VSS1

Fig.17 I/O equivalent circuit

www.rohm.com

2010.04 - Rev.A

19/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

VLCD

VDD

VSS1

VDD

CSB, SD,

SCL, INHb

PWMOUT

VSS1

VDD

CLKIN

VSS1

VLCD

SEG0-14

COM0-3

VSS1

VLCD

SEG15-45

SEG46-48

VSS2

VSS1

Fig.18 I/O equivalent circuit

www.rohm.com

2010.04 - Rev.A

20/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

VDD

VSS

VDD

CSB、SD、SCL

VSS

VDD

OSC

VSS

VLCD

VSS

VLCD

SEG / COM

VSS

Fig.19 I/O equivalent circuit

www.rohm.com

2010.04 - Rev.A

21/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

●Ordering part number

B

U

9

7

9

3

0

M U

V

-

E

2

Part No.

Package

MUV : VQFN040V6060

FV : SSOP-B40

Packaging and forming specification

E2: Embossed tape and reel

BU97930

BU97931

BU9798

KV : VQFP64

BU97500

GUW: VBGA063W050

VQFN040V6060

6.0 0.1

Tape

Embossed carrier tape

2000pcs

Quantity

E2

Direction

of feed

1PIN MARK

The direction is the 1pin of product is at the upper left when you hold

reel on the left hand and you pull out the tape on the right hand

S

(

)

0.08

S

3.7 0.1

C0.2

1

10

40

11

20

31

30

21

0.75

+0.05

Direction of feed

1pin

0.25

-0.04

0.5

Reel

Order quantity needs to be multiple of the minimum quantity.

(Unit : mm)

∗

SSOP-B40

13.6 0.2

(MAX 13.95 include BURR)

Tape

Embossed carrier tape

Quantity

2000pcs

40

21

E2

Direction

of feed

The direction is the 1pin of product is at the upper left when you hold

reel on the left hand and you pull out the tape on the right hand

(

)

1

20

0.15 0.1

0.1

S

0.65

0.22 0.1

Direction of feed

1pin

M

0.08

Reel

Order quantity needs to be multiple of the minimum quantity.

(Unit : mm)

∗

VQFP64

12.0 0.2

10.0 0.1

Tape

Embossed carrier tape (with dry pack)

48

33

Quantity

1000pcs

E2

49

32

17

Direction

of feed

The direction is the 1pin of product is at the upper left when you hold

reel on the left hand and you pull out the tape on the right hand

(

)

64

1

16

1.25

1PIN MARK

+0.05

0.145

-

0.03

+6

4

-

4

0.08

+0.05

-0.04

S

M

0.08

0.2

Direction of feed

1pin

0.5 0.1

Reel

Order quantity needs to be multiple of the minimum quantity.

(Unit : mm)

∗

www.rohm.com

2010.04 - Rev.A

22/23

Technical Note

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

VBGA063W050

1PIN MARK

5.0 0.1

Tape

Embossed carrier tape (with dry pack)

2500pcs

Quantity

E2

Direction

of feed

The direction is the 1pin of product is at the upper left when you hold

reel on the left hand and you pull out the tape on the right hand

S

(

)

0.08

63- 0.295 0.05

S

P=0.5×7

0.75 0.1

0.5

φ

A

φ

M

0.05 S AB

H

G

F

B

E

D

C

B

A

1 2 3 4 5 6 7 8

Direction of feed

1pin

Reel

Order quantity needs to be multiple of the minimum quantity.

(Unit : mm)

∗

www.rohm.com

2010.04 - Rev.A

23/23

Notice

N o t e s

No copying or reproduction of this document, in part or in whole, is permitted without the

consent of ROHM Co.,Ltd.

The content speciﬁed herein is subject to change for improvement without notice.

The content speciﬁed herein is for the purpose of introducing ROHM's products (hereinafter

"Products"). If you wish to use any such Product, please be sure to refer to the speciﬁcations,

which can be obtained from ROHM upon request.

Examples of application circuits, circuit constants and any other information contained herein

illustrate the standard usage and operations of the Products. The peripheral conditions must

be taken into account when designing circuits for mass production.

Great care was taken in ensuring the accuracy of the information speciﬁed in this document.

However, should you incur any damage arising from any inaccuracy or misprint of such

information, ROHM shall bear no responsibility for such damage.

The technical information speciﬁed herein is intended only to show the typical functions of and

examples of application circuits for the Products. ROHM does not grant you, explicitly or

implicitly, any license to use or exercise intellectual property or other rights held by ROHM and

other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the

use of such technical information.

The Products speciﬁed in this document are intended to be used with general-use electronic

equipment or devices (such as audio visual equipment, ofﬁce-automation equipment, commu-

nication devices, electronic appliances and amusement devices).

The Products speciﬁed in this document are not designed to be radiation tolerant.

While ROHM always makes efforts to enhance the quality and reliability of its Products, a

Product may fail or malfunction for a variety of reasons.

Please be sure to implement in your equipment using the Products safety measures to guard

against the possibility of physical injury, ﬁre or any other damage caused in the event of the

failure of any Product, such as derating, redundancy, ﬁre control and fail-safe designs. ROHM

shall bear no responsibility whatsoever for your use of any Product outside of the prescribed

scope or not in accordance with the instruction manual.

The Products are not designed or manufactured to be used with any equipment, device or

system which requires an extremely high level of reliability the failure or malfunction of which

may result in a direct threat to human life or create a risk of human injury (such as a medical

instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-

controller or other safety device). ROHM shall bear no responsibility in any way for use of any

of the Products for the above special purposes. If a Product is intended to be used for any

such special purpose, please contact a ROHM sales representative before purchasing.

If you intend to export or ship overseas any Product or technology speciﬁed herein that may

be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to

obtain a license or permit under the Law.

Thank you for your accessing to ROHM product informations.

More detail product informations and catalogs are available, please contact us.

ROHM Customer Support System

http://www.rohm.com/contact/

www.rohm.com

R1010

A


型号：	BU97500FV-E2
厂家：	ROHM
描述：	Multifunction Segment Drivers 多功能段驱动器驱动器
文件：	总24页 (文件大小：534K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

BU97500FV-E2 [ROHM]

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