Sony ICF-SW77 - IC802(SUB MICRO COMPUTER) Details

ICF-SW77
IC802(SUB MICRO COMPUTER)
M37450M8
Pin No.
Port Name
I/O
Signal Name
Description
1
NC
_
NC
NOT CONNECTED
2
P31
0
NC
NOT CONNECTED
3 EV1
0
BEEP
BEEP SIGNAL OUTPUT
4
P57
I
BUSY
LCD802-1 CONTROL DRIVER IC805 ACTIVATING SIGNAL INPUT
5
P56
0
CS
SELECT SIGNAL OUTPUT TO LCD802-1 CONTROL DRIVER IC805
6
P55
0
C/D
DATA/CONTROL SELECT SIGNAL OUTPUT TO CONTROL DRIVER IC805
7
P54
0
SI
DATA SIGNAL OUTPUT TO CONTROL DRIVER IC805
8
P53
0
CLK
CLOCK SIGNAL OUTPUT TO CONTROL DRIVER IC805
9
P52
0
RES
RESET SIGNAL OUTPUT TO CONTROL DRIVER IC805
10
P51
I
CONNECTED TO GROUND
11
P50
I
CONNECTED TO GROUND
12
P67
CONNECTED TO GROUND
13
P66
I
CONNECTED TO GROUND
14
P65
I
CONNECTED TO GROUND
15
P64
I
CONNECTED TO GROUND
16
P63
I
CONNECTED TO GROUND
17
P62
I
CONNECTED TO GROUND
18
P61
I
CONNECTED TO GROUND
19
INI 1
I
INTI
SERIAL START SIGNAL INPUT. COMMUNICATE WITH IC801
WR
0 WR
NOT CONNECTED
BE
0
RD
NOT CONNECTED
0
R/W
NOT CONNECTED
MM
0
SYNC
NOT CONNECTED
24
|
0
RESO
IMOT CONNECTED
25
CNVSS
-
CONNECTED TO GROUND
26
I
RESET
RESET INPUT
NC
NC
NOT CONNECTED
XI
I
XI
CONNECTED TO CRYSTAL OSCILLATOR (X803)
29
XO
I
XO
CONNECTED TO CRYSTAL OSCILLATOR (X803)
30
NC
-
NC
NOT CONNECTED
31
<t>
0
E
NOT CONNECTED
32
vss
-
CONNECTED TO GROUND
33
P27
I
CONNECTED TO GROUND
34
P26
I
SLOCK
ON DETECTION MODE “SYNC” AND TERMINAL IS “HIGH”, INDICATES “SLOCK”
35
P25
I
SD1
ON SCAN, STATION SIGNAL INPUT
36
P24
0
WAKE
“POWER ON” OF IC802 POWER SIGNAL OUTPUT ON “HIGH”, ACTIVATING
POWER IS ON.
37
P23
0
MUTE
MUTE SIGNAL OUTPUT. HIGH: MUTE
38
P22
0
POWER
RADIO POWER SUPPLY OUTPUT. HIGH: RADIO ON
39
P21
I/O
SDL
INPUT/OUTPUT FOR E*PROM DATA READ/WRITE
40
P20
0
SCL
CLOCK OUTPUT FOR ETROM DATA READ/WRITE
— 2 8 —