W91414 查看數據表（PDF） - Winbond

零件编号

产品描述 (功能)

生产厂家

W91414

TONE/PULSE DIALER WITH SAVE FUNCTION

Winbond 

BLOCK DIAGRAM

W91410 SERIES

HKS

B/M

MODE

XT XT

SYSTEM CLOCK

GENERATION

ROW

(R1 to R4)

KEYBOARD

INTERFACE

READ/WRITE

COUNTER

RAM

COLUMN

(C1 to C4)

LOCATION

LATCH

CONTROL

LOGIC

PULSE

CONTROL

LOGIC

T/P MUTE

DP

DTMF

D/A

CONVERTER

ROW & COLUMN

PROGRAMMABLE

COUNTER

DATA LATCH

& DECODER

FUNCTIONAL DESCRIPTION

Keyboard Operation

C1

C2

1

2

4

5

7

8

*

0

• F: Flash key

• R/P: Redial and pause function key

• P→T: Pulse mode to tone mode

• SAVE: Save memory key

C3

C4

3

SAVE R1

6

F

R2

9

P→T R3

#

R/P

R4

-4-

Share Link: