KD-SX947R
1-48 (No.49818)
4.22 UPD784225GK-629 (IC501) : 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
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
30
BUS0
I/O
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
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