EV6120 [CMLMICRO]
Evaluation Kit User Manual; 评估套件用户手册
| 型号： | EV6120 |
| 厂家： | 
CML MICROCIRCUITS |
| 描述： | Evaluation Kit User Manual |
| 文件： | 总28页 (文件大小：366K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
EV6120
Evaluation Kit
User Manual
March 2000
UM6120/1
1.0
Features
Advance Information
• For CMX612 Product Evaluation
• User’s Prototyping Area
• Adjunct Box or Feature Phone
• Socketed Space for Optional Telco-
Configuration
Specific Components
• Single Power Supply Operation with
• Socketed PIC 16-Series µC
on-board regulator
• LCD Display or RS232 Link to PC with
• On-Board PIC Programming with Serial
Software
Interface and PC Software
• Socketed Components for Adjustment
• 2- to 4-Wire Interface with Handset
Socket
1.1
Brief Description
The EV6120 Evaluation Kit comprises a single board containing a CMX612, line interface components, PIC
µController and the option of using either the on-board 4-line LCD module or interfacing to a PC via a serial
communications port. For the latter mode of operation Windows software is supplied. When using the LCD
module two push-button switches are used to select the EV6120 functions.
The board is powered from a single 8 - 24V dc power supply; an on-board regulator sets VDD. LEDs indicate
control, and detect line status (IP, MODE1, MODE2, DET and MUTE) and the CMX612 may be driven from an
external clock, or from its own crystal oscillator. Important signals can be monitored from test points. The
CMX612 is socketed for easy replacement and a user prototyping area is provided.
On-board circuitry may be used to implement a wetting pulse and to place an ac or dc load on the line. An
opto-mos relay connects the 2- to 4-wire interface/op-amp hybrid for voice communications to the line. An
external phone socket for adjunct box demonstration is provided, the connection to which can be disabled with
a relay. A mutable local voice input and DTMF generation (for CIDCW acknowledgement tone) are provided.
Where components are telco-specific (line impedance, line protection, on-hook loads etc.) space is provided for
the user to add appropriate components.
Consumer Microcircuits Limited
2000
Evaluation Kit for CMX612
EV6120
CONTENTS
Section
Page
1.0 Features .......................................................................................................... 1
1.1 Brief Description ............................................................................................ 1
1.2 Preliminary Information................................................................................. 4
1.2.1 Laboratory Equipment................................................................... 4
1.2.2 Handling Precautions.................................................................... 4
1.2.3 Telephone Line Connection.......................................................... 4
1.3 Quick Start...................................................................................................... 5
1.3.1 Setting-Up....................................................................................... 5
1.3.2 Operation ........................................................................................ 5
1.4 Signal Lists..................................................................................................... 6
1.5 Circuit Schematics and Board Layouts....................................................... 9
1.6 Detailed Description .................................................................................... 12
1.6.1 Hardware Description - Evaluation Board................................. 12
1.6.2 Software........................................................................................ 14
1.6.3 Firmware ....................................................................................... 20
1.6.4 Additional Information................................................................. 22
1.7 Performance Specification.......................................................................... 26
1.7.1 Electrical Performance ................................................................ 26
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EV6120
Block Diagram
Power
Supply
Optional
IBM-PC
EV6120
Caller ID
Simulator
Local speech
input options
External phone
option
Figure 1 Block Diagram
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1.2
Preliminary Information
1.2.1
Laboratory Equipment
The following laboratory equipment is needed to use this evaluation kit:
1.2.1.1 8 - 24V DC Power Supply.
1.2.1.2 Caller ID Simulator
1.2.1.3 Speech Source
If the user wishes to control the EV6120 from a PC and/or re-program a new PIC on the board.
1.2.1.4 An IBM compatible PC; 20MHz '386 or better, running Microsoft Windows 3.11 / '95 /NT. The re-
programming software supplied (PICPROGB.EXE) runs most efficiently under DOS and cannot be
used with Windows NT.
1.2.2
Handling Precautions
Like most evaluation kits, this product is designed for use in laboratory environments. The following
practices will help ensure its proper operation.
1.2.2.1 Static Protection
This product uses low power CMOS circuits which may be damaged by electrostatic discharge.
Partially damaged circuits may function erroneously, leading to misleading results. Observe ESD
precautions at all times when handling this product.
1.2.2.2 Contents - Unpacking
Please ensure that you have received all of the items listed on the separate information sheet
(EK6120) and notify CML within 7 working days if the delivery is incomplete.
1.2.3
Approvals
This Evaluation Kit is not approved for direct or indirect connection to any public
telecommunication system. Users are advised to observe local statutory requirements which
may apply to this product.
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1.3
Quick Start
This section provides instructions for users who wish to experiment immediately with the evaluation
kit. A fuller description of the kit and its use linked to a PC appears later in this document.
1.3.1
Setting-Up
THE EV6120 COMES PRE-CONFIGURED FOR OPERATION AT 3.3 VOLTS.
An RJ11 (US style) phone jack is provided for caller ID simulator connection. Power is connected via
the two-way socket, J5. No board adjustments are required by the user. Telco-specific components
may be added, as required.
1.3.2
Operation
Ensure no connection to serial port connector J6 and switch on the power supply. The message
EF6120Vx.x will be visible on the LCD module plus an indication as to which function option is
selected. The two push button switches, SW1 and SW2 are used to scroll through and select from the
menu displayed on the bottom row of the LCD module.
A fuller description of these functions is given later in the document.
Off-hook line matching is provided by R16, R19 and C11. The default components are for a 600Ω
line.
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Figure 2 Function Selection
Figure 3 Matching Network
The dc load is provided by a gyrator circuit. The dc mask characteristic may be altered by changing
the value of R28.
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1.4
Signal Lists
CONNECTOR PINOUT - EVALUATION BOARD
Connector
Connector
Pin No.
Signal
Name
Signal
Type
Description
Ref.
J1
1, 2
3
-
A
B
-
-
Not Used. No connection needed.
Bidirectional 'phone line (A = TIP).
Bidirectional 'phone line (B = RING).
Not Used. No connection needed.
BI
BI
-
4
5, 6
J2
1, 2
3
-
-
Not Used. No connection needed.
B
BI
Bidirectional external 'phone socket
(B = RING).
4
A
-
BI
-
Bidirectional external 'phone socket
(A = TIP).
5, 6
Not Used. No connection needed.
J3
1
2
3
4
Input
Output
Output
Input
Microphone +ve.
Speaker drive.
Speaker drive.
Microphone -ve.
J4
J5
1
VSS
speech
Power
Input
) Jack socket for mutable input
) from external speech source.
tip/pin2
1
2
V
IN
Power
Power
+ve power from external power supply.
0V power from external power supply.
V
SS
J6
1
2
3
4
5
6
7
8
9
DCD
RXD
TXD
DTR
Output
Output
Input
Input
Power
Output
Input
Output
-
PC connection (linked to DTR).
PC data input.
PC data output.
PC connection.
V
SS
0V common connection to PC.
PC connection (linked to DTR).
PC ‘RTS’ connection.
DSR
RTS
CTS
-
PC ‘CTS’ connection.
Not used. No connection needed.
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TEST POINTS - EVALUATION BOARD
Test Point
Ref.
Default
Measurement
Description
TP1
TP2
0V
V
V
SS connection.
0V
-
SS connection.
TP3
Ev board side of transformer.
TP4
-
Hybrid transmit input (Local Voice and Ack).
Hybrid receive output/CMX612 AOP2 (Remote Voice/CAS/FSK).
Muteable local speech input.
TP5
-
TP6
-
TP7
-
CMX612 RD input, pin 3.
TP8
-
CMX612 RT signal, pin 4.
TP9
-
CMX612 AOP1 signal, pin 5.
TP10
TP11
TP12
TP13
-
CMX612 RXD output, pin 21.
-
CMX612 RXCK input, pin 19.
-
CMX612 DET output, pin 18.
-
CMX612 IRQN output, pin 17. A pull-up resistor R43 is included on
board.
TP14
TP15
TP16
TP17
TP18
0V
0V
V
SS connection.
SS connection.
V
V
DD
VPP programming voltage input for PIC16C74A.
8 - 24V
3.3V
V
IN connection.
DD connection
V
.
TP19
0V
CAS/SDT/VMWI detect indicator - labelled CAS.
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JUMPERS - EVALUATION BOARD
Link
Ref.
Default
Position
Positions
Description
JP2
1-2
s/c
Disconnect to supply an external clock to CMX612 via pin
2.
JP3
1-2
s/c
Disconnect when supplying external clock to CMX612 via
JP2 pin 2.
JP4
JP5
1-2
1-2
s/c
s/c
Disconnect to measure I
of evaluation device.
DD
Disconnect to supply an external clock to PIC16C74A via
pin 1.
JP6
1-2
s/c
Disconnect when supplying external clock to PIC16C74A
via JP5 pin 1.
s/c = short circuit
SWITCHES - EVALUATION BOARD
Link
Ref.
Default
Positions
Description
LCD menu item scroll button.
Position
SW1
SW2
SW3
open/closed
open/closed
open/closed
open
open
open
LCD menu item select button.
PIC16C74A reset.
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1.5
Circuit Schematics and Board Layouts
4
5
4
4
5
5
8
7
7 -
5
4
8
7
7
6
.
$
4
5
8 N 4
7 ; 5
N 4
7 8 5
Figure 4 Analogue Section
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.
$
.
$
$
4
4
5
5
6 6 3
5 4 5
<
;
:
9
8
7
6
5
4
4
5
6
7
8
9
:
;
<
; '
< '
$
4
4
4 5
Figure 5 Control Section
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4 5 '
5 5 '
8 6 5
8 9 5
8 8 5
8 7 5
5 8 5
6 < &
4 7 '
6 7 5 4 : 5
4 7 &
6 3 5
5 5 5
4 9 5
5
5 %
9
7 5 8 7 5
7 8 5
Figure 6 Evaluation Board Layout
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1.6
Detailed Description
1.6.1
Hardware Description - Evaluation Board
1.6.1.1 Line Interfacing.
The EV6120 is designed to work with a range of CLI simulators whilst connected to a PC and other
laboratory equipment. This has led to an opto-isolated line interface more akin to a modem than
commercial feature phones which are not designed to work with other equipment and are generally
not fully isolated from the line.
•
•
•
Line protection is provided by R1 (47Ω), R2 (47Ω), and D1 (Philips BR211 series 140V). These
components are not fitted, but suitable values for UK applications are suggested in brackets. Wire
links which bypass R1 and R2 will need to be removed if these resistors are fitted.
Ring and line reversal detection is provided by an opto-isolated circuit formed by components C9,
D6, D10, R13, R50 and U2. Timing components R33 and C15 ensure a constant detect output for
a ring burst. See CMX612 data sheet for further details.
The transformer and op-amp hybrid (formed by U1:B and CMX612:AOP2) is connected to the
phone line by an optoMOS relay, U3. When ‘off-hook’ an adjacent LED is illuminated.
Line impedance matching is required in order to place signals on the line (acknowledgement tone
of type 2 / cidcw sequences) and to be able to send and receive speech and other signals (feature
phone mode).
These are suggested component values for various reference impedances using the EV6120
circuitry. Note that R22 adjusts the level of tx rejection on the rx side of the hybrid.
ref Z
600Ω(default)
900Ω
C25
C21
22nF
1nF
R16
0Ω
0Ω
C11
R19
R22
15nF
4n7F
150nF
4µ7F
4µ7F
3µ3F
510Ω
750Ω
750Ω
270kΩ
330kΩ
390kΩ
CTR21(complex)
56nF
240Ω
•
•
A gyrator circuit draws dc loop current in the off-hook state. The current drawn may be altered by
adjusting the value of R28. This is designed to function with a dc current limited line.
Off-hook loads, specified for type1 CLI, can be applied by fitting the TELCO specific components
not fitted by CML.
An ac or dc load is provided by R4 (827Ω), R6 (1386Ω) and C3 (139nF). These components are
not fitted, but suitable values for UK applications are suggested in brackets. This load is switched
in by U12 and TR9. An LED is illuminated when this occurs.
A wetting pulse is provided by R7, which is not fitted. For UK applications, a suitable value may be
in the region of 240Ω to 350Ω. The wetting pulse is switched in by U13 and TR8. An LED is
illuminated when this occurs.
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1.6.1.2 CMX612 Detector Signal Paths.
There are two input signal path options with the CMX612, AOP1 and AOP2. AOP1 is connected
directly across the line and AOP2 forms the rx side of the 2- to 4-wire interface.
The LED marked ‘IP’ indicates the state of the CMX612 input select pin.
Note that if the signal path chosen is via the 2- to 4-wire interface absolute levels at the CMX612 will
depend upon the line impedance of the caller ID simulator in use and on the quality of the termination
of that line. This will have a bearing on decode and not-decode levels.
1.6.1.3 External Phone
A second RJ11 socket, J2, is provided for an external telephone when the EV6120 is demonstrating
adjunct box functions. The relay, RLY1, which is normally closed will mute the external telephone.
When muted/disabled the LED marked ‘MUTE’ is illuminated.
1.6.1.4 Speech Paths
When emulating a feature phone, a mutable local speech path is available. A speech signal may be
input at either testpoint TP6, jack socket J4, or from a telephone handset (not provided) connected to
socket J3. When muted the LED marked ‘MUTE’ is illuminated.
Note that the local speech path (input at TP6 or J4) has a gain of ≈6dB.
Far end signals are routed from the rx output of the hybrid ( CMX612: AOP2 ), via op-amp U1:A, to
the handset connector socket, J3.
1.6.1.5 DTMF Acknowledgement Code
The DTMF acknowledgement (digit D) for the type2 / off-hook / cidcw demonstrations is generated by
U5 (CMX615) and fed to the Tx input of the 2- to 4-wire interface.
1.6.1.6 Operating Voltage
The operating voltage (V ) is set to 3.3Volts. This may be altered by changing components R62 and
DD
R29 which are socketed. To select 5.0Volts set R62 = 620Ω and R29 = 100Ω. The formula for
calculating the values of R68 and R69 is as follows:-
240 (VDD −1.25)
R62 + R29 =
1.25
Where 240 is the value of R14 in ohms and V is the required supply voltage.
DD
1.6.1.7 Clocks and Oscillators
•
The CMX612 may use either an external clock or its own xtal oscillator. A 3.58MHz xtal is
provided on-board for the latter method. Two jumpers JP2 and JP3, which are normally fitted,
select the xtal oscillator. An external clock may be supplied to JP2 pin 2 once the jumpers have
been removed.
•
•
The PIC16C74A may be provided with an external clock in the same way by removing jumpers
JP5 and JP6. Note that PICs programmed by CML are only configured for use with the on-board
4MHz crystal.
The DTMF generator ( CMX615 ) uses the clock from the CMX612. This device cannot be
enabled when the CMX612 is in zero power mode.
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1.6.2
Software
This section describes the operation of the EV6120 kit via the RS232 lead and the Windows software
supplied. The sequence of events for the demonstrations is covered in the Section 1.6.3 (Firmware).
1.6.2.1 Installation
The ES6120 Windows Application Software consists of a single executable file named
ES6120xx.EXE, where xx refers to the version number. Copy this from its 3.5” floppy disk to the
hard disk of the user’s PC.
Windows NT and '95
For convenient and quick launching of the program create an ES6120 shortcut within the Start menu
or Desktop.
Windows 3.11
For convenient and quick launching of the ES6120 software create a new program group and ES6120
icon.
1.6.2.2 Start-up
When the application is run, the initialise dialog box will pop-up in front of the applications main window.
At this point ensure the EV6120 is connected to an RS232 serial port of the PC, via connector J6, and turn on
the power to the board. If cancel is selected the PC will not make a connection to the EV6120 board.
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1.6.2.3 Main Window
•
•
•
‘CMX612 Modes’. Selects CMX612 operating mode and detector signal source.
‘EV6120 Controls’. Basic control of EV6120 circuits.
‘EV6120 Demonstrations’. Select a demonstration and press run.
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1.6.2.4 RxFSK dialog box
•
•
The EV6120 board is instructed to operate the CMX612 in receive mode with data re-timing
selected.
Characters received by the CMX612 will be displayed in the main read-only edit box. The display
is limited to 20,000 characters and will be cleared when this limit is exceeded.
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Type 1/on-hook demonstration dialog box
1.6.2.5
This dialog pops up when any of the type 1 CLI demonstrations is selected. The precise selection is
displayed in the top left of the panel, in this case the BT demonstration is selected. Use these
demonstrations for FSK type VMWI.
•
•
The EV6120 is instructed to run the appropriate caller ID demonstration. The message data is sent
back to the PC and displayed in the main read-only edit box.
The display is as described for the RxFSK dialog box.
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1.6.2.6 Type 2/off-hook demonstration dialog box
Ensure that a valid DTMF digit, for the CIDCW acknowledgement tone, is set from the main panel
before running this demonstration
•
•
The EV6120 is instructed to perform the off-hook / type 2 / CIDCW demonstration. The nature of
the demonstration can be altered by selecting Feature Phone or Adjunct Box and Early or Late
muting on the right hand side of the dialog box.
If FSK +6dB is checked the gain in the input path formed around AOP1 of the CMX612 is
increased by 6dB for the FSK receive part of type 2 CLI. For the feature phone case this will also
switch the input path from AOP2 to AOP1 of the CMX612 during the FSK receive.
•
•
The valid CAS detects and local Mute counters are provided to assist with talk-off and talk-down
testing, see later sections.
CLI message data is shown as described for the type 1 dialog box.
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(Stuttered) Dial Tone detect Algorithm Demonstration, - US cadence.
1.6.2.7
Refer to separate applications note for details of this algorithm.
•
This demonstration uses the EV6120’s own hook circuitry to put the line into an off-hook state. The
dial tone, stuttered or otherwise, is monitored straight across the line, via CMX612 AOP1. This
emulates the worst case scenario for dial tone detect when another extension goes off-hook and
the unit under test must monitor signals straight across the line.
•
•
Algorithm constants may be altered by the user. New values are downloaded to the EV6120
whenever the ‘Start’ button is clicked.
The length of each test is 2.1 seconds. In continuous mode there is an idle period of 1 second
between each test.
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1.6.3
Firmware
This section describes the operation of the EV6120 kit using the LCD module and the demonstration
selection switches SW1 and SW2. It also describes the sequence of events followed by the available
demonstrations.
1.6.3.1 Start-up
As described in Quick start section.
The opening messages will be EF6120 Vx.x (where x.x represents the version number), plus a menu
from which demonstrations may be selected using SW1 (>>) and SW2 (SELect).
SW1 (>>) will scroll along the menu items and SW2 (SELect) will select the currently highlighted menu item.
When the cursor is above SW1 (>>) the EV6120 is idle. When the cursor is above SW2 (SELect) the
currently displayed demonstration is active. Use SW2 (SELect) to exit the active demonstration.
When a new selection has been made the start up messages will be displayed on the LCD until a new CLI
message has been received.
Note that the type2 CIDCW option has a sub-menu for feature phone or adjunct box mode.
1.6.3.2 BT type 1 demonstration
This demonstration covers the BT on-hook service initiated by a line reversal followed by an alert
tone, see flowchart in CMX612 datasheet (application notes section). CLI message parameters are
displayed on the LCD.
On the EV6120 board, FET TR8 is switched on to provide wetting current for 15ms during the silent
period between the alert tone and the FSK data. A resistor can be fitted in the R7 position if a current
wetting pulse is required.
FET TR9 is switched on during the FSK receive period. If an ac termination is required, components
can be fitted in positions R4, R6 and C3.
1.6.3.3 Bellcore type 1 demonstration
This demonstration covers the Bellcore and ETSI on-hook services associated with ringing, see
flowchart in CMX612 datasheet (application notes section). Any ringing of duration < 500ms is
assumed to be a line reversal and is ignored. CLI message parameters are displayed on the LCD.
FET TR9 is energised during the FSK receive period. If an ac termination is required, components
can be fitted in positions R4, R6 and C3.
FSK only type1 demonstration.
1.6.3.4
This demonstration covers the Bellcore on-hook service not associated with ringing. The CMX612
remains in rx mode continuously monitoring for FSK signals. Parameters are displayed as with other
modes.
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1.6.3.5 BT, ETSI and Bellcore type 2 demonstration
See flowchart in CMX612 datasheet (application notes section) for more information.
In ‘Feature Phone’ mode, the local speech path is enabled and muted when a CAS tone is detected
(when the CMX612 DET output is set in tone alert mode, termed early mute). Also signals from the
line, e.g. CAS tone, will be taken from the Rx side of the 2 to 4 wire interface.
In ‘Adjunct Box’ mode, the link to an external telephone, socket J2, is muted when a valid CAS tone
has been received (when CMX612 IRQN pin goes low in tone alert mode, termed late mute).
If the EV6120 is linked to a PC, see section 1.6.2, the point at which muting occurs can be toggled
between early and late.
Counters record the number of times muting has occurred (M) and the number of times a valid CAS
tone has been detected (C). The counts are displayed on row 3 of the LCD.
DTMF digit ‘D’ is transmitted on to the phone line as an acknowledgement tone. If the EV6120 is
linked to a PC other DTMF digits can be sent as an acknowledgement. CLI message parameters are
displayed on the top two rows of the LCD.
Whilst the acknowledgement is being transmitted testpoint TP19, labelled CAS, will be HI. This 60mS
pulse can be fed back to a CLI simulator for CAS performance testing.
(Stuttered) Dial Tone detect Algorithm Demonstration.
1.6.3.6
This is a simplified demonstration of the algorithm running in continuous mode only. The constants
are fixed to default values and only the resulting dial or stuttered dial tone detect figures are shown.
When the ‘SEL’ button is pressed the demonstration will halt at the end of the current test cycle.
During the idle period between tests the LED marked ‘MW’ will indicate the result of the last test. i.e. if
a stuttered dial tone was detected the LED will be on and if a normal dial tone was detected the LED
will be off.
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1.6.4 Additional Information
Test configurations for EV6120
1.6.4.1
Power
Supply
Optional
IBM-PC
Caller ID
Simulator
EV6120
(Provides correct
termination of
line interface
only)
Input via external phone socket (adjunct box case)
or handset socket, jack socket or TP6
(feature phone case)
Speech
Source
Figure 7 Near End Talk-Off Tests With The EV6120
Power
Supply
Optional
IBM-PC
Far speech
EV6120
Caller ID
Simulator
Speech
Source
Figure 8 Far End Talk-Off Tests With The EV6120
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Power
Supply
Optional
IBM-PC
CAS
tones
EV6120
Caller ID
Simulator
Input via external phone socket (adjunct box case)
or handset socket, jack socket or TP6
(feature phone case)
Speech
Source
Figure 9 Talk Down Tests With The EV6120
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EV6120
1.6.4.2 In-circuit re-programming of PIC16C74A
In order that the PIC16C74A µController may be re-programmed the existing program must be
erased by placing the device in a uv- eraser for approximately 15 minutes. For boards fitted with an
OTP device the user will need a fresh µcontroller.
Note that VDD must be set to 5.0 Volts for programming.
TO ENTER PROGRAMMING MODE
(a) Ensure the windows application ES6120 is not running.
(b) Connect the programming voltage (V
= 12.5V to 13.5V) power supply between test point
PP
TP16 (+ve) and V
(-ve).
SS
(c) Ensure the PIC µC programming utility PICPROGB.EXE is loaded into the PC under DOS and
the PC is connected to the evaluation kit.
(d) Reset the EV6120 board by momentarily pressing switch, SW5
USING THE SOFTWARE - PICPROGB
This is supplied on disk as a self-documented executable file PICPROGB.EXE for a PC running DOS
(either directly or as a DOS window in Windows 3.11 or '95). It is not recommended for use on
Windows NT systems. Please note that this programming software does not meet the Arizona
Microchip Technology verification requirements for a "production quality" programmer. Also, it does
not support the programming of ID locations.
The user interface consists of two windows. The top window contains the operating instructions and
the bottom window shows the command line and data communications with the PIC µC. When the
top window first appears the user will be prompted to enter the number of the serial communications
port to which the EV6120 board is connected, and then, which device is programmed. For the
EV6120 select option 1, PIC16C74A. Once the user has entered this number, the following
commands may be selected:
press F
press C
press B
press P
press V
press R
press A
to load file.
to configure device.
to check target device is blank.
to program target device.
to verify target device.
to read target device.
to view contents of program data array.
press Esc to return to DOS.
A new function from the above table can be selected whenever the >ok prompt appears in the
bottom window.
Notes:
a) Assembler output files must be in the Intel hex format (.HEX) in order to be usable by this
programming software.
b) The PIC µC supplied has a Configuration Word which is preset 3FB1H. This selects the crystal
oscillator, disables the watch dog timer, enables the power up timer and disables code
protection. The programming software currently defaults to 3FB1H. Consult Arizona Microchip
Technology for more information on the Configuration Word.
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EV6120
c) The "blank check" command (B) only looks at the first location. A programmed device will
always have data in this location as it is the program start address.
d) For each of the commands B,P,R and V the user will be prompted to manually reset the
target µC, by pressing the RESET switch (SW5) on the EV6120 Evaluation Board. This is
because PIC programming always starts from location 0000 and the program counter can only
be incremented.
e) Pressing A will display the program data in the bottom window, formatted in pages of 48
consecutive locations. Use the <PageUp> and <PageDown> keys to scroll through the data.
Pressing <Esc> will return the user to the >ok prompt.
TO LEAVE PROGRAMMING MODE
(a) Remove power from board (including the programming voltage, VPP).
(b) Power up board as described in previous sections for normal operation.
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EV6120
1.7
Performance Specification
1.7.1 Electrical Performance
Absolute Maximum Ratings
Exceeding these maximum ratings can result in damage to the Evaluation Kit.
Min.
Max.
40.0
7.0
Units
V
V
V
A
mA
°C
°C
Supply (V - V
)
-0.3
-0.3
-0.3
0
-20
-
IN
SS
Supply (V - V
)
DD
SS
Voltage on any pin to V
V
+ 0.3
SS
DD
Current into or out of V and V pins
+1.5
+20
+70
+35
IN
SS
Current into or out of any other pin
Storage Temperature
Operating Temperature
+10
Operating Limits
Correct operation of the Evaluation Kit outside these limits is not implied.
Notes
Min.
8.0
3.0
Max.
24.0
5.5
Units
V
V
Supply (V - V
)
IN
SS
Supply (V - V
)
DD
SS
Operating Temperature
+10
+35
°C
External Clock Frequency for CMX612
External Clock Frequency (for µC at 5.0V V
External Clock Frequency (for µC at 3.0V V
3.575965
0.1
3.583125
20.0
MHz
MHz
MHz
)
DD
)
DD
0.1
4.0
Operating Characteristics
For the following conditions unless otherwise specified:
Evaluation Device and DTMF Generator Xtal Frequency = 3.579545MHz, µC = 4.00MHz
= 3.3V to 5.0V, Tamb = +25°C.
V
DD
Notes
Min.
Typ.
Max.
Units
DC Parameters
(evaluation board - idle)
I
1
-
50.0
-
mA
DD
AC Parameters
Xtal/Clock Input to Evaluation Device
‘High’ pulse width
‘Low’ pulse width
2
2
100
100
-
-
-
-
ns
ns
OSC1 Input to PIC µC
‘High’ pulse width
‘Low’ pulse width
50.0
50.0
-
-
-
-
ns
ns
Notes:
1. Relays not energised.
2. Timing for an external input to the CLOCK/XTAL pin.
Operating Characteristics - Timing Diagrams
For CMX612 timing information, refer to current CML CMX612 Data Sheet.
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EV6120
CML does not assume any responsibility for the use of any circuitry described. No IPR or circuit patent licences are implied. CML
reserves the right at any time without notice to change the said circuitry and this evaluation kit specification. Evaluation kits are
supplied for the sole purpose of demonstrating the operation of CML products and are supplied without warranty. They are intended
for use in a laboratory environment only and are not for re-sale, end-use or incorporation into other equipments. Operation of
evaluation kits outside a laboratory environment is not permitted within the European Community. All software is supplied "as is"
and is without warranty. It forms part of the evaluation kit and is licensed for use only in this kit, for the purpose of demonstrating the
operation of CML products. Whilst all reasonable efforts are made to ensure that software contained in this product is virus free,
CML accepts no responsibility whatsoever for any contamination which results from using this software and the onus for checking
that the software is virus free is placed on the purchaser of this evaluation kit.
Oval Park - LANGFORD Telephone: +44 (0)1621 875500
Telefax:
e-mail:
+44 (0)1621 875600
sales@cmlmicro.co.uk
http://www.cmlmicro.co.uk
MALDON - ESSEX
CM9 6WG - ENGLAND
CML Microcircuits
COMMUNICATION SEMICONDUCTORS
CML Product Data
In the process of creating a more global image, the three standard product semiconductor
companies of CML Microsystems Plc (Consumer Microcircuits Limited (UK), MX-COM, Inc
(USA) and CML Microcircuits (Singapore) Pte Ltd) have undergone name changes and, whilst
maintaining their separate new names (CML Microcircuits (UK) Ltd, CML Microcircuits (USA)
Inc and CML Microcircuits (Singapore) Pte Ltd), now operate under the single title CML Micro-
circuits.
These companies are all 100% owned operating companies of the CML Microsystems Plc
Group and these changes are purely changes of name and do not change any underlying legal
entities and hence will have no effect on any agreements or contacts currently in force.
CML Microcircuits Product Prefix Codes
Until the latter part of 1996, the differentiator between products manufactured and sold from
MXCOM, Inc. and Consumer Microcircuits Limited were denoted by the prefixes MX and FX
respectively. These products use the same silicon etc. and today still carry the same prefixes.
In the latter part of 1996, both companies adopted the common prefix: CMX.
This notification is relevant product information to which it is attached.
Company contact information is as below:
CML Microcircuits
(UK)Ltd
CML Microcircuits
(USA) Inc.
CML Microcircuits
(Singapore)PteLtd
COMMUNICATION SEMICONDUCTORS
COMMUNICATION SEMICONDUCTORS
COMMUNICATION SEMICONDUCTORS
Oval Park, Langford, Maldon,
Essex, CM9 6WG, England
Tel: +44 (0)1621 875500
Fax: +44 (0)1621 875600
uk.sales@cmlmicro.com
www.cmlmicro.com
4800 Bethania Station Road,
Winston-Salem, NC 27105, USA
Tel: +1 336 744 5050,
0800 638 5577
Fax: +1 336 744 5054
us.sales@cmlmicro.com
www.cmlmicro.com
No 2 Kallang Pudding Road, 09-05/
06 Mactech Industrial Building,
Singapore 349307
Tel: +65 7450426
Fax: +65 7452917
sg.sales@cmlmicro.com
www.cmlmicro.com
D/CML (D)/1 February 2002
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