W91542N データシートの表示（PDF） - Winbond

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W91542N

10-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK, AND HANDFREE FUNCTIONS

Winbond 

W91540N SERIES

BLOCK DIAGRAM

HKS

HFI

XT XT

SYSTEM CLOCK

GENERATOR

ROW

(R1 to R4, Vx)

COLUMN

(C1 to C4)

KEYBOARD

INTERFACE

DTMF

D/A

CONVERTER

READ/WRITE

COUNTER

CONTROL

LOGIC

LOCK

MODE

LOCATION

LATCH

RAM

PULSE

CONTROL

LOGIC

ROW & COLUMN

PROGRAMMABLE

COUNTER

DATA LATCH

& DECODER

T/P MUTE

KT

DP/C5

HFO

FUNCTIONAL DESCRIPTION

C1 C2 C3 C4 DP / C5

1 23S

R1

4 5 6 F4

R2

7 89A

R3

∗/T 0 # R/P SAVE R4

F1 F2 F3

Vx

• S: Store function key

• A: Indirect repertory memory dialing function key

• R/P: Redial and pause function key

• ∗/T: ∗ in tone mode and P→T in pulse mode

• SAVE: Save function key for one-touch 32-digit memory

• F1, ..., F4: Flash function keys; F1 = 600 mS, F2 = 300 mS, F3 = 73 mS, F4 = 100 mS, and flash

pause time for each key is 1.0 mS

Note: Ln = 0, ..., 9; Dn = 0, ..., 9, */T, #, Pause.

-6-

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