W91312N 查看數據表（PDF） - Winbond

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W91312N

TONE/PULSE DIALER WITH REDIAL FUNCTION

Winbond 

Preliminary W91312N

BLOCK DIAGRAM

HKS

B/M

MODE

XT XT

SYSTEM CLOCK

GENERATION

ROW

(R1 to R4)

COLUMN

(C1 to C4)

DTMF

KEYBOARD

INTERFACE

READ/WRITE

COUNTER

RAM

LOCATION

LATCH

CONTROL

LOGIC

PULSE

CONTROL

LOGIC

T/P MUTE

DP

D/A

CONVERTER

ROW & COLUMN

PROGRAMMABLE

COUNTER

DATA LATCH

& DECODER

FUNCTIONAL DESCRIPTION

Keyboard Operation

C1

C2

1

2

4

5

7

8

∗/T

0

R/P2 R

C3 C4

3

R1

6 F1 R2

9 F2 R3

# R/P1 R4

F3 F4 VX

• R/P1, R/P2: Redial and pause function key, P1 is 3.6 sec. and P2 is 2.0 sec.

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

• F1, …, F4: Flash keys, the flash break time of F1 = 600 mS, F2 = 100 mS, F3 = 300 mS, F4 = 73

mS

• R: One-key redial function

Notes: D1, ..., Dn, D1', ..., Dn': 0, ..., 9, */T, #

R/P: R/P1 or R/P2.

Fn: F1, ..., F4

Publication Release Date: May 2000

-3-

Revision A1

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