Aiwa 4ZG-1 Service Manual page 20

IC, CL680
Pin No. Pin Name
1 NC
2 VSS
3 CD BCK
4 CD DATA
5 CD LRCK
6 CD C2PO
7-9 NC
10-15 MD0-MD5
16 VSS
17 MD6
18 VDD3
19 MD7
20 VSS
21 MD8
22 VDD3
23-29 MD9-MD15
30-36 NC
________
37 MCE
__________
38 MWE
39 VSS
________
40 CAS
41 VDD3
___________
42 RASO
___________
43 RASI
44-46 MA10-MA8
47 VSS
48 MA7
49 VDD3
50-52 MA6-MA4
53 VSS
54 MA3
55 VDD3
56-58 MA2-MA0
59 PGIO7
______________
60 RESET
61 VDD MAX IN
62-64 NC
65 AGND DAC
66 A DAC
67 COMP OUT
68 AGND DAC
I/O
— No connection.
— GND.
I Bit clock input from CD DSP.
I Data input from CD DSP.
I LRCK input from CD DSP.
I C2 pointer input from CD DSP.
— No connection.
I/O DRAM/ROM interface. (DATA)
— Ground.
I/O DRAM/ROM interface. (DATA)
— Power supply 3.3V.
I/O DRAM/ROM interface. (DATA)
— Ground.
I/O DRAM/ROM interface. (DATA)
— Power supply 3.3V.
I/O DRAM/ROM interface. (DATA)
— No connection.
— ROM chip enable.
O DRAM write enable.
— Ground.
O DRAM/ROM interface.
— Power supply 3.3V.
O
DRAM/ROM interface.
O
O DRAM/ROM interface. (Address)
— Ground.
O DRAM/ROM interface. (Address)
— Power supply 3.3V.
O DRAM/ROM interface. (Address)
— Ground.
O DRAM/ROM interface. (Address)
— Power supply 3.3V.
O DRAM/ROM interface. (Address)
I/O Programmable I/O.
I Reset input.
— Power supply - VDDMAX. (5.0V)
— No connection.
— Analog ground.
— Analog power supply (DAC) : 3.3V.
O Composite out.
— Analog ground.
25
Description