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W91620

 10-MEMORY TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION ( 16 Page)


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W91620 SERIES
- 4 -
BLOCK DIAGRAM
HKS
MODE
T/P MUTE
COLUMN
ROW
XT
XT
P MUTE
DP/C5
(R1 to R4)
DTMF
SYSTEM CLOCK
GENERATION
READ/WRITE
COUNTER
RAM
LOCATION
LATCH
ROW & COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH
& DECODER
KEYBOARD
INTERFACE
(C1 to C4)
D/A
CONVERTER
PULSE
CONTROL
LOGIC
CONTROL
LOGIC
FUNCTIONAL DESCRIPTION
Keyboard Operation
C1
C2
C3
C4
DP / C5
1
2
3
S
P
→T
R1
4
5
6
F
P
R2
7
8
9
A
R3
*
0
#
R
R4
S: Store function key
F: Flash key
P
→T: In pulse mode, this key works as Pulse→Tone key
R: Redial function key
A: Indirect repertory dialing key
P: Pause key
1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16 



관련 부품명

부품명상세내용Html View제조사
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W91440N10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION 1 2 3 4 5 MoreWinbond
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SC91316TONE / PULSE DIALER WITH REDIAL FUNCTION 1 2 3 4 5 MoreSilan Microelectronics Joint-stock
EM91850TONE/PULSE DIALER WITH HF HD REDIAL AND VOLUME CONTROL FUNCTION 1 2 3 4 5 MoreELAN Microelectronics Corp
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