LC737212 Ver la hoja de datos (PDF) - SANYO -> Panasonic

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LC737212

Telephone Dialer IC with On-Chip Memory for PushButton Telephones

SANYO -> Panasonic 

Memory readout

LC737212, 737212M

Memory store

• R/P key

After connecting to the line, the R/P functions as a redial key as long as the system has not performed a dialing output

operation. In manual dialing mode, the R/P key functions as the pause data key.

When dialing from memory:

— During a pause operation: Cancels the pause

— While dialing:

Inserts a pause

During a redial operation:

— During a pause operation: Cancels the pause

— While dialing:

Ignored

If two or more pause characters occur in the data, the pause cancel operation will cancel all pending pauses in a single

operation.

• STORE key

Pressing the STORE key sets the system to memory store mode. Pressing the STORE key again during a memory store

operation cancels all input data.

• HOLD ON/OFF key

Controls the on/off state of off-hook mode. No key tone is output at this time.

• Keys A1 to A5

These are the one-touch auto-dialing keys. Pressing one of these keys outputs the corresponding memory data from the

DP and DTMF pins.

• Keys 00 to 17

These are user-defined keys. When one of these keys is pressed, the LC737212/M outputs the corresponding status and

key code from the serial interface.

No. 5203-7/27

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