Advertisement
KD-SX995
4.22 UPD784225GK-629 (IC501): CPU
• Pin layout
61
~
80
• Pin function
Pin No.
Symbol
1
TEMP IN
2,3
-
4
AVSS
5
ADCONT
6
-
7
AVREF1
8
EPROMDI
9
EPROMDO
10
EPROMCK
11
LCD CE
12
LCD DA
13
LCD CK
14
BUS I/O
15
BUS I/O
16
BUS SI
17
BUS SO
18
BUS SCK
19
BUSOUT
20
CD ON
21
CD REQ
22
CD MUTE
23
-
24
DSP RESET
25
CCE
26
BUCK
27
BUS3
28
BUS2
29
BUS1
30
BUS0
31
2X PLAY
32
RW SEL
33
VSS1
34
LD
35
LD/FE
36
MP3 DI
37
MP3 DO
1-50 (No.49792)
60
~
41
40
~
21
1
~
20
I/O
I
Temp. detection input terminal
-
No use
-
GND
O
Output H level during power on. During stop mode:L
-
-
-
3.3V
I
EEPROM data input terminal
O
EEPROM data output terminal. Output H level during input
I/O
EEPROM clock signal input/output terminal
O
Chip enable output for LCD driver
O
Data output for LCD driver
O
Clock output for LCD driver
O
JVC BUS input/output control terminal (negative)
O
JVC BUS input/output control terminal
I
JVC BUS data input terminal
O
JVC BUS data output terminal
I/O
JVC BUS clock input/output terminal
O
JVC BUS BUSOUT output terminal
O
Power supply (3.3V) control for CD
O
CD mechanism power supply on request signal output terminal
O
CD mute signal output terminal
-
-
O
CD DSP reset signal output terminal
O
CD DSP chip enable output terminal
O
CD DSP data clock output terminal
I/O
CD DSP data 3 input/output terminal
I/O
CD DSP data 2 input/output terminal
I/O
CD DSP data 1 input/output terminal
I/O
CD DSP data 0 input/output terminal
O
RF frequency response select output of 2x speed playback
O
CD-RW select output terminal (RW:L)
-
GND
O
Loading signal output terminal (L:loading, H:eject)
O
Loading/Feed select signal output terminal (H:LD, L:FE)
I
CD MP3 data input terminal
O
CD MP3 data output terminal
Function
Advertisement
