W91342 データシートの表示（PDF） - Winbond
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W91342 Datasheet PDF : 15 Pages
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W91340N SERIES
BLOCK DIAGRAM
XT XT
SYSTEM CLOCK
GENERATOR
HKS
HFI
ROW
(R1 to R4, Vx)
COLUMN
(C1 to C4)
KEYBOARD
INTERFACE
DTMF
D/A
CONVERTER
READ / WRITE
COUNTER
CONTROL
LOGIC
LOCATION
LATCH
RAM
PULSE
CONTROL
LOGIC
ROW & COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH
& DECODER
MODE
H/P MUTE
T/P MUTE
DP
HFO
FUNCTIONAL DESCRIPTION
Keyboard Operation
C1 C2 C3 C4
1
2
3
S R1
4
5
6 F4 R2
7
8
9
A R3
∗/T 0
# R/P R4
F1 F2 F3 H VX
• S: Store function key
• H: Hold function key
• A: Indirect repertory memory dialing function key
• R/P: Redial and pause function key
• ∗/T: ∗ in tone mode and P→T in pulse mode
• F1, …, F4: Flash keys, F1 = 600 mS, F2 = 300 mS, F3 = 73 mS, F4 = 100 mS
Notes:
D1, ..., Dn, D1', ..., Dn': 0, ..., 9, */T, #
Ln: 0, ..., 9 ; Fn: F1, ..., F4
-4-
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