W91430N Datasheet, PDF (4/14 Pages) Winbond – 13-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION

W91430N SERIES
BLOCK DIAGRAM
ROW
(R1 to R4, Vx)
COLUMN
(C1 to C5)
KEYBOARD
INTERFACE
DTMF
D/A
CONVERTER
XT XT
SYSTEM CLOCK
GENERATOR
HKS
READ/WRITE
COUNTER
CONTROL
LOGIC
MODE
LOCATION
LATCH
RAM
PULSE
CONTROL
LOGIC
ROW & COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH
& DECODER
T/P MUTE
DP
FUNCTIONAL DESCRIPTION
Keyboard Operation
C1 C2 C3 C4 C5
1
2
3
S M1 R1
4
5
6 F4 M2 R2
7
8
9
A M3 R3
∗/T 0
# R/P SAVE R4
F1 F2 F3
VX
• S: Store function key
• A: Indirect repertory dialing function key
• R/P: Redial and pause function key
• SAVE: Save function key
• ∗/T: ∗ in tone mode and P→T in pulse mode
• M1 to M3: One-touch memory
• F1, ..., F4: Flash keys, F1 = 600 mS, F2 = 300 mS, F3 = 73 mS, F4 = 100 mS
Note: D1, ..., Dn, D1', ..., Dn': 0, ..., 9, */T, #; Mn: M1, ..., M3; Ln: 0, ..., 9 ; Fn: F1, ..., F4
-4-