EV6020 datasheet(6/13 Pages) CMLMICRO

6 / 13 page

Evaluation Kit User Manual for FX602

EV6020

UM6020/4

1.4

Signal Lists

CONNECTOR PINOUT - EVALUATION BOARD

Connector

Ref.

Connector

Pin No.

Signal

Name

Signal

Type

Description

1, 2

VIN

Power

+ve power from external power supply.

3, 4

VSS

Power

0V power from external power supply.

TX-DTMF

I/P

Enables Tx from the DTMF generator.

AC-LOAD

I/P

Controls the relay which applies an ac load

across the line.

WETTING

PULSE

I/P

Controls the relay which applies a wetting

pulse across the line.

TX-LINE

I/P

Controls the relay which connects the

transformer across the line.

I/P

Control Line "D3" to the DTMF generator.

I/P

Control Line "D2" to the DTMF generator.

I/P

Control Line "D1" to the DTMF generator.

I/P

Control Line "D0" to the DTMF generator.

602-ZP

I/P

FX602: Zero-Power Select pin

602-MODE

I/P

FX602: Mode Select pin

602-IRQN

O/P

FX602:

µC Interrupt

602-DET

O/P

FX602: Detect pin

602-RXCK

I/P

FX602: Rx Data Clock pin

602-RXD

O/P

FX602: Rx Data pin

602-LVCP

O/P

Line Voltage Change Pulse from the

parallel phone detector.

/MUTE

I/P

Control Line to unmute the Local Voice

input (TP18).

1, 2

Not Used. No connection needed.

Bidirectional 'phone line (A = TIP)

Bidirectional 'phone line (B = RING)

5, 6

Not Used. No connection needed.

VSS

Power

0V power from external power supply.

VIN

Power

+ve power from external power supply.

Notes:

I/P = Input

O/P = Output

BI = Bidirectional

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