LA8518NM Ver la hoja de datos (PDF) - SANYO -> Panasonic

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LA8518NM

Signal Processor for Cordless Telephone Base Sets

SANYO -> Panasonic 

— Serial control data format —

LA8518NM

c Serial data content

First bit

A0 to A6 → Specify the address of a crosspoint switch and a control switch.

D

→ Turns the crosspoint switch on and off and controls the control switch.

(When D = 1, the switch is on; when D = 0, the switch is off.)

c Example: Turning address 11 (AUX input, RF1 output) on

The address table is shown on the following page:

Note 1: Because there is a power-on reset function, all crosspoint switches and control switches are reset when the external power

supply (VCC at pin 31) is turned on.

Note 2: SW2 and SW3 in the block diagram are controlled by the MUTE pin (pin 51); the signals that are enabled are shown

below.

MUTE pin

H

L

SW2

Transmitting (Pin 58)

TAIN (Pin 59)

DTMF (Pin 60)

SW3

Receiving (Pin 7)

KT (Pin 55)

No.5421-8/31

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