Evaluation Kit for CMX602B
EV6021
TEST POINTS - EVALUATION BOARD
Test Point
Ref.
Default
Measurement
Description
TP1
TP2
0V
0V
V
V
SS connection.
SS connection.
TP3
V
V
V
/2
/2
/2
Line signal after transformer.
DD
TP4
Hybrid transmit output (Local Voice).
Hybrid receive output (Remote Voice).
Muteable local speech input.
CMX602B RD input, pin 3.
DD
TP5
DD
-
TP6
TP7
-
-
-
-
-
-
-
TP8
CMX602B RT signal, pin 4.
TP9
CMX602B AOP signal, pin 5.
CMX602B RXD output, pin 15.
CMX602B RXCK input, pin 14.
CMX602B DET output, pin 13.
TP10
TP11
TP12
TP13
CMX602B IRQN output, pin 12. A pull-up resistor R11 is included on
board.
TP14
TP15
TP16
TP17
TP18
0V
0V
V
SS connection.
SS connection.
V
V
VPP programming voltage input for PIC16C74A.
DD
8 - 14V
3.3V
V
V
IN connection.
.
DD connection
2000 Consumer Microcircuits Limited
7
UM6021/4