EV8680 Datasheet, PDF (8/39 Pages) CML Microcircuits – Evaluation Kit

Evaluation Kit for CMX868
EV8680
CONNECTOR PINOUT
Connector Connector
Ref.
Pin No.
Signal
Name
J4
1
DCD
2
TXD
3
RXD
4
DTR
5
VSS
6
DSR
7
RTS
8
CTS
9
RI
J5
1
VIN
2
VSS
Signal
Type
Output
Output
Input
Input
Power
Output
Input
Output
Output
Power
Power
Description
Connection to PC DCD
Connection to PC RXD
Connection to PC TXD
Connection to PC DTR
Connection to PC 0V common
Connection to PC DSR
Connection to PC RTS
Connection to PC CTS
Connection to PC RI
+ve power from external power supply
0V power from external power supply
Test Point
Ref.
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
TEST POINTS
Default
Measurement
-
-
-
0V
0V
-
0V
-
0V
0V
-
-
HI
5V
0V
Description
Modem line signal after transformer, T1
CMX868 RD, pin 5
CMX868 RT, pin 6
VSS connection
VSS connection
CMX868 RXAFB, pin 9
VSS connection
CMX868 RLYDRV, pin 3
VSS connection
VSS connection
CMX868 TXA, pin 15
CMX868 TXAN, pin 14
Modem CDN
VDD connection
VSS connection
© 2000 Consumer Microcircuits Limited
8
UM8680/2