W91360N 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/C5
HFO
FUNCTIONAL DESCRIPTION
Keyboard Operation
C1 C2 C3 C4 DP / C5
1 23S
M1
R1
4 5 6 F4
M2
R2
7 89
M3
R3
∗/T 0 # R/P SAVE R4
F1 F2 F3 H
VX
• S: Store function key
• H: Hold function key
• R/P: Redial and pause function key
• SAVE: Save function key
• ∗/T: ∗ in tone mode and P→T in pulse mode
• M1, ..., M3: One-touch memory
• F1, …, F4: Flash keys, F1 = 600 mS, F2 = 300 mS, F3 = 73 mS, F4 = 100 mS
Notes:
D1, ..., Dn, D1', ..., Dn' : 0, ..., 9, */T, #
Mn: M1, ..., M3 ; Fn: F1, ..., F4
-4-