Panasonic CQ-4400U - Tuning Weather Band Stations; NOAA Weather Radio Frequencies

Pin
No.
Name Description I/O Vol. (V)
AM FM
TAPE
54 (NC) - - - - -
55 LCD
D01 (NC)
- - - - -
56 LCD
CLK
LCD Clock O 0 0 0
57 LCD DI
(MO)
LCD Data input O 0 0 0
58 LCD CE LCD Chip Enble O 0.3 0.3 0
59 LCD
DO(MI)
LCD Data Output I 5.3 5.3 5.3
60 (NC) - - - - -
61 (NC) - - - - -
62
REMOUT
Remoto Data
Output
O 4.8 4.8 4.8
63 12C
DATA
12C Data I 0 5 4.9
64 12C CLK 12C Clock O 5 5 5
65 CDC
CLK
CD Changer
Clock
I 2 2.3 2.3
66 MOTOR
ANT
(NC)
- - - - -
67 CDC
DATA
CD Changer Data I 2 2.3 2.3
68 MOD3 Tape Deck Mode3 O 4.8 4.8 4.8
69 MODE2
(NC)
- - - - -
70 MODE1 Tape Deck Mode1 I 4.8 4.8 4.8
71 SMT-R Sub Motor
Control (R)
I 4.8 4.8 4.8
72 SMT-F Sub Motor
Control (F)
O 0 4.8 0
73
TELMUTE
Telephone Mute
Control
I 4.7 4.7 4.7
74 VTER
(NC)
- - - - -
75 GND Ground - 0 0 0
76 X OUT Crystal Oscilator O 2.3 2.3 2.3
77 X IN Crystal Oscilator I 1.8 1.8 2
78 CE Chip Enable I 4.8 4.8 4.8
79 VDD Power supply +5V - 4.8 4.8 4.8
80 RESET Reset input I 4.8 4.8 4.8
15.2. Display Block
9