參數(shù)資料
型號: W91F842N
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 6/26頁
文件大?。?/td> 221K
代理商: W91F842N
W91F810N SERIES
- 6 -
BLOCK DIAGRAM
DTMF
XT
XT
HKS
MODE
RAM
COUNTER
SYSTEM CLOCK
GENERATOR
LOCATION
LATCH
D/A
ROW & COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH
& DECODER
READ/WRITE
HFI
ROW
(R1 ~ R7)
COLUMN
(C1 ~ C6)
T/P MUTE
KT
HFO
H/P MUTE
CONTROL
LOGIC
PULSE
CONTROL
LOGIC
KEYBOARD
INTERFACE
CONVERTER
LOCK
DP
K MUTE
V1
V2
FUNCTIONAL DESCRIPTION
Keyboard Operation
C1
1
4
7
*/
T
F1
M5
C2
2
5
8
0
F2
M6
C3
3
6
9
#
F3
M7
C4
S
F4
Page
R/P
H
M8
C5
M0
M1
M2
M3
M4
M9
V
SS
EM1
EM2
EM3
SAVE
MUTE
R1
R2
R3
R4
V
X
/R5
R6
C1
1
4
7
*/
T
F1
M5
M15
C2
2
5
8
0
F2
M6
M16
C3
3
6
9
#
F3
M7
M17
C4
S
F4
Page
R/P
H
M8
M18
C5
M0
M1
M2
M3
M4
M9
M19
C6
M10
M11
M12
M13
M14
R
Vup
V
SS
EM1
EM2
EM3
SAVE
MUTE
Vdown R7
R1
R2
R3
R4
Vx/R5
R6
S: Store function key
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