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W91633 데이터 시트보기 (PDF) - Winbond
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W91633
10-MEMORY TONE/PULSE DIALER WITH REDIAL FUNCTION
Winbond
W91633 Datasheet PDF : 14 Pages
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BLOCK DIAGRAM
W91630 SERIES
XT XT
HKS
MODE
SYSTEM CLOCK
GENERATOR
ROW
(R1 to R4)
KEYBOARD
INTERFACE
READ/WRITE
COUNTER
RAM
COLUMN
(C1 to C4)
LOCATION
LATCH
CONTROL
LOGIC
PULSE
CONTROL
LOGIC
T/P MUTE
P MUTE
DP/C5
DTMF
D/A
CONVERTER
ROW & COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH
& DECODER
FUNCTIONAL DESCRIPTION
Keyboard Operation
C1 C2 C3 C4 DP / C5
1 2 3 S P
→
T R1
456F
P R2
789A
R3
* 0#R
R4
•
S: Store function key
•
F: Flash key
•
P
→
T: In pulse mode, this key works as Pulse
→
Tone key
•
R: The redial function can be excuted only as first key-in after off-hook.
•
A: Indirect repertory dialing key
•
P: Pause key
-4-
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