EV6020 Datasheet, PDF (7/13 Pages) CML Microcircuits – Evaluation Kit User Manual

Evaluation Kit User Manual for FX602
EV6020
TEST POINTS - EVALUATION BOARD
Test Point
Default
Ref.
Measurement
Description
TP1
0V
VSS _connection.
TP2
0V
VSS _connection.
TP3
-
FX602 RD input, pin 3.
TP4
-
FX602 RT signal, pin 4.
TP5
-
FX602 AOP signal, pin 5.
TP6
VDD/2
Line signal after transformer.
TP7
n/a
FX604 RXFB signal, pin 6. Not used on EV6020 evaluation board.
TP8
-
FX602 RXD output, pin 15.
TP9
TP10
-
FX602 RXCK input, pin 14.
-
FX602 DET output, pin 13.
TP11
-
FX602 IRQN output, pin 12. A pull-up resistor R11 is included on-board.
TP12
n/a
FX604 TXD input, pin 11. Identical to TP17 when in FX602 mode.
TP13
TP14
TP15
TP16
TP17
TP18
3.3V or 5.0V
8 - 35V
VDD/2
VDD/2
VDD
-
VDD _connection.
VIN _connection.
Hybrid transmit output (Local Voice).
Hybrid receive output (Remote Voice).
Parallel Phone Detector output.
Hybrid transmit input. Used as a mutable Local Voice input.
JUMPERS - EVALUATION BOARD
Link
Ref.
Positions
Default
Position
Description
JP1
1-2 or 2-3
2-3 Sets R2 value for line reversal (default) or ring detect usage
JP2
1-2
1-2
Disconnect to measure IDD of evaluation device.
JP3
1-2 or 2-3
2-3
Sets VDD = 3.3V (1-2) or VDD = 5.0V (2-3)
JP4
1-2 or 2-3
2-3
Sets FX602 input sensitivity for 3.3V or 5.0V operation.
JP5
1-2 or 2-3
2-3
Sets FX602 input sensitivity for 3.3V or 5.0V operation.
JP6
1-2 or 2-3
2-3
Sets FX604 input sensitivity for 3.3V or 5.0V operation.
JP7
1-2 or 2-3
2-3
Sets FX604 output drive level for 3.3V or 5.0V operation.
JP8_1,2
1-2
JP9_1,2,
1-2
JP9_3,4
1-2
1-2
all o/c
Disconnect to supply an external clock to JP8_1 (2).
User selectable DTMF answerback code. (Default = "C").
JP10
1-2
1-2
Links the Parallel Phone Detector to connector J1:19.
© 1996 Consumer Microcircuits Limited
7
UM6020/4