W91F810AN WINBOND [Winbond], W91F810AN Datasheet - Page 6
W91F810AN
Manufacturer Part Number
W91F810AN
Description
23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS
Manufacturer
WINBOND [Winbond]
Datasheet
1.W91F810AN.pdf
(26 pages)
- Current page: 6 of 26
- Download datasheet (223Kb)
BLOCK DIAGRAM
FUNCTIONAL DESCRIPTION
Keyboard Operation
S: Store function key
M15
*/T
M5
*/T
M5
C1
F1
C1
F1
1
4
7
1
4
7
M16
COLUMN
(C1 ~ C6)
(R1 ~ R7)
M6
M6
C2
C2
F2
F2
ROW
2
5
8
0
2
5
8
0
DTMF
M17
M7
M7
C3
C3
F3
F3
3
6
9
#
3
6
9
#
CONVERTER
KEYBOARD
INTERFACE
D/A
Page
Page
M18
R/P
R/P
M8
M8
C4
C4
F4
F4
H
H
S
S
M19
M0
M1
M2
M3
M4
M9
M0
M1
M2
M3
M4
M9
C5
C5
PROGRAMMABLE
LOCATION
ROW & COLUMN
LATCH
COUNTER
MUTE
SAVE
EM1
EM2
EM3
M10
M11
M12
M13
M14
Vup
V
C6
R
SS
- 6 -
READ/WRITE
COUNTER
RAM
R1
R2
R3
R4
V
R6
Vdown
MUTE
SAVE
HKS
EM1
EM2
EM3
X
V
HFI
/R5
SS
DATA LATCH
& DECODER
R1
R2
R3
R4
Vx/R5
R6
R7
SYSTEM CLOCK
W91F810N SERIES
GENERATOR
XT
CONTROL
CONTROL
LOGIC
PULSE
LOGIC
XT
T/P MUTE
HFO
KT
H/P MUTE
MODE
DP
K MUTE
V1
V2
LOCK
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