EV6021 Datasheet, PDF (7/28 Pages) CML Microcircuits – User Manual

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