1-54 (No.49793)
4.19 UPD784225GK-629 (IC1501) : CPU
• Pin layout
• Pin function
60 ~ 41
1 ~ 20
40
~
21
61
~
80
Pin No.
Symbol
I/O
Function
1
TEMP IN
I
Temp. detection input terminal
2,3
-
-
No use
4
AVSS
-
GND
5
ADCONT
O
Output H level during power on. During stop mode:L
6
-
-
-
7
AVREF1
-
3.3V
8
EPROMDI
I
EEPROM data input terminal
9
EPROMDO
O
EEPROM data output terminal. Output H level during input
10
EPROMCK
I/O
EEPROM clock signal input/output terminal
11
LCD CE
O
Chip enable output for LCD driver
12
LCD DA
O
Data output for LCD driver
13
LCD CK
O
Clock output for LCD driver
14
BUS I/O
O
JVC BUS input/output control terminal (negative)
15
BUS I/O
O
JVC BUS input/output control terminal
16
BUS SI
I
JVC BUS data input terminal
17
BUS SO
O
JVC BUS data output terminal
18
BUS SCK
I/O
JVC BUS clock input/output terminal
19
BUSOUT
O
JVC BUS BUSOUT output terminal
20
CD ON
O
Power supply (3.3V) control for CD
21
CD REQ
O
CD mechanism power supply on request signal output terminal
22
CD MUTE
O
CD mute signal output terminal
CD DSP reset signal output terminal
CD DSP chip enable output terminal
CD DSP data clock output terminal
CD DSP data 3 input/output terminal
CD DSP data 2 input/output terminal
CD DSP data 1 input/output terminal
CD DSP data 0 input/output terminal
31
2X PLAY
O
RF frequency response select output of 2x speed playback
32
RW SEL
O
CD-RW select output terminal (RW:L)
33
VSS1
-
GND
34
LD
O
Loading signal output terminal (L:loading, H:eject)
35
LD/FE
O
Loading/Feed select signal output terminal (H:LD, L:FE)
36
MP3 DI
I
CD MP3 data input terminal
37
MP3 DO
O
CD MP3 data output terminal
38
MP3 CK
O
Clock signal output terminal for CD MP3 data
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