JVC KD-SH99R service manual LC895199K-ND2IC601 CD-ROMdecoder, 1-32

KD-SH99R

LC895199K-ND2(IC601):CD-ROM decoder

1.Pin layout

144 109

1 108

3673

37 72

2.Pin function		LC895199K-ND2(1/3)
Pin No.	Symbol	Function
1	VSSO	RAS signal output terminal to buffer DRAM
2	ZRASO
3	ZCASO	CAS signal output 0 terminal to buffer DRAM(0 is used usually)
4	ZCAS1	CAS signal output terminal 1 to buffer DRAM
5	VSSO	Buffer DRAM output enable
6	ZOE
7	ZUWE	Buffer DRAM upper write enable
8	ZLWE	Buffer DRAM lower write enable
9	VSSO	Address signal output terminal to data buffer DRAM
10	RA0

11RA1

12RA2

13RA3

14RA4

15RA5

16RA6

17RA7

18	VDD0	5.0V
19	VSS0	Address signal output terminal to data buffer DRAM
20	RA8
21	IO0	Data I/O terminal to data buffer DRAM. With built-in pull-up resistor

22IO1

23IO2

24IO3

25IO4

26IO5

27VSSO

28 IO6 Data I/O terminal to data buffer DRAM. With built-in pull-up resistor

29IO7

30IO8

31IO9

32IO10

33IO11

34IO12

35IO13

36VSSO

37	VDD1	3.3V
38	IO14	Data I/O terminal to data buffer DRAM.With buolt-in pull-up resistor

39IO15

40DREQ

41DRESP

42 IOP7 General-purpose I/O port

43IOP6

44IOP5

45IOP4

46IOP3

47IOP2

48IOP1

49IOP0

50HDBDIR

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