Evaluation Kit User Manual for FX602

EV6020

© 1996 Consumer Microcircuits Limited

7

UM6020/4

TEST POINTS - EVALUATION BOARD

Test Point

Ref.

Default

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

-

FX602 RXCK input, pin 14.

TP10

-

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

3.3V or 5.0V

VDD connection.

TP14

8 - 35V

VIN connection.

TP15

VDD/2

Hybrid transmit output (Local Voice).

TP16

VDD/2

Hybrid receive output (Remote Voice).

TP17

VDD

Parallel Phone Detector output.

TP18

-

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

1-2

Disconnect to supply an external clock to JP8_1 (2).

JP9_1,2,

JP9_3,4

1-2

1-2

all o/c

User selectable DTMF answerback code. (Default = "C").

JP10

1-2

1-2

Links the Parallel Phone Detector to connector J1:19.