W91560DN 데이터 시트보기 (PDF) - Winbond

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W91560DN

3-MEMORY TONE/PULSE DIALER WITH RTC AND LCD DISPLAY FUNCTIONS

Winbond 

Preliminary W91560DN SERIES

BLOCK DIAGRAM

VDD VSS

XT2

XT2

REAL TIME CLOCK

GENERATOR

XT1

XT1

SYSTEM CLOCK

GENERATOR

ROW

(R1 ~ R4)

COLUMN

(C1 ~ C5)

KEYBOARD

INTERFACE

READ/WRITE

COUNTER

LOCATION

LATCH

RAM

CONTROL

LOGIC

PULSE/

TONE

CONTROL

LOGIC

DTMF

V LCD

V RTC1

VRTC2

D/A

CONVERTER

ROW & COLUMN

PROGRAMMABLE

COUNTER

DATA LATCH

& DECODER

BACKPLANE SIGNAL

GENERATOR

SEGMENT OUTPUT

DECODER

CP CN

COM1 COM2 COM3 COM4

L.C.D.

FUNCTIONAL DESCRIPTION

Keyboard Operation

C1 C2 C3 C4

C5

DP / C6

123

E

M1

HOLD1 R1

4 5 6 F4

M2

HOLD2 R2

7 8 9 CHK

M3

APSET R3

*/T 0

# R/P RTC/HOUR

SET

R4

F1 F2 F3 OKR TIM/MIN

Vx

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

• E: Store digit

• F1, F2, F3, F4: Flash keys

• M1−M3: One-touch memory

• R/P: Redial and pause function key

• OKR: One-key redial function

-6-

HKS

HFI

LOCK

MODE

H/P MUTE

T/P MUTE

DP

HFO

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