Sony MDS-PC3 specifications • IC300 M30805SGP MAIN BOARD, Pin No, Pin Name, Function

• IC300 M30805SGP (MAIN BOARD)

Pin No.		Pin Name	I/O			Function
1	DATA(FL)		O	Serial data signal output to the display driver
2	CLK(FL)		O	Serial clock signal output to the display driver L: Active
3	A1-IN		I	Fixed at H (Pull-up)
4	SIRCS		I	Remote control input
5, 6	NC		—	Not used
7	LED		O	LCD back light ON/lOFF signal output
8	MUTE		O	Mute signal output
9	A/D,D/A RESET		O	A/D, D/A (AK4524-TP) reset signal output
10	A/D, D/A LATCH		O	A/D, D/A (AK4524-TP) chip sekect signal output
11	LD-LOW		O	Loading motor voltage control output L: High voltage H: Low voltage
12	LDIN		I	Loading motor control input	H: IN
13	LDOUT		O	Loading motor control output	H: OUT
14	MOD		O	Laser modulation switching signal output L: OFF H: ON
15	BYTE		I	Data bus changed input (Connected to ground)
16	CNVSS		—	Ground
17	XIN-T		I	Not used
18	XOUT-T		O	Not used
19	RESET		I	System rest input L : reset
20	XOUT		O	Main clock output (10MHz)
21	VSS		—	Ground
22			I	Main clock input (10MHz)
	XIN
23	VCC		—	Power supply (+3.3V)
24			I	Fixed at H (Pull-up)
	NMI
25	DQSY		I	Digital in sync input
26	PDOWN		I	Power down detection input	L: Power down
27	SQSY		I	ADIP (MO) sync or subcode Q (PIT) sync input from CXD2662R (Playback system)
28	K.B-CLK		I	Fixed at H (Pull-up)
29	LDON		O	Laser ON/OFF control output	H: Laser ON
30	LIMIT-IN		I	Detection input from the limit switch		L: Sled limit-In H: Sled limit-Out
31	A1 OUT		O	Not used
32	XINIT		I	Interrupt status input from CXD2662R
33	BEEP		O	Not used
34	LRCK1		O	Not used
35	WR PWR		O	Write power ON/OFF output	L: OFF	H: ON
36	IIC CLK		O	IIC clock output
37	IIC DATA		I/O	IIC data input/output to the CONTROL-I
38	SWDT		O	Writing data signal output to the serial bus
39	VCC		—	Power supply (+3.3V)
40	SRDT		I	Reading data signal input from the serial bus
41	VSS		—	Ground
42	SCLK		O	Clock signal output to the serial bus
43	REC-SW		I	Detection signal input from the recording position detection switch			L: REC
44	CLIP DATA		O	CLIP serial data output
45	CLIP DATA		I	CLIP serial data input
46	CLIP CLK		O	CLIP serial clock output (Not used)
47	DIG-RST		O	Digital rest signal output to the CXD2662R and motor driver L: Reset
48	SENS		I	Internal status (SENSE) input from the CXD2662R
49	PLAY-SW		I	Detection signal input from the playback position detection switch			L: PLAY
50	XLATCH		O	Latch signal output to the serial bus
51	OUT-SW		I	Detection signal input from the loading out detection switch
52	RDY		I	Fixed at H (Pull-up)
53	ALE/RAS		O	Microprocessor mode output (Not used)
54	HOLD		I	Fixed at H (Pull-up)
55			O	Microprocessor mode output (Not used)
	HLDA/ALE
56	XBUSY (MNT2)		I	In the state of executive command from the CXD2662R
57	VSS		—	Ground

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