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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
23 - - -
24 DSP RESET O CD DSP reset signal output terminal
25 CCE O CD DSP chip enable output terminal
26 BUCK O CD DSP data clock output terminal
27 BUS3 I/O CD DSP data 3 input/output terminal
28 BUS2 I/O CD DSP data 2 input/output terminal
29 BUS1 I/O 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
38 MP3 CK O Clock signal output terminal for CD MP3 data