Sony MDX-61 Vdd, Sck, Sense, Smdi, Rcpb, Vss, Sick, Idsl, TS0-TS3, Exir, Sasl, Sgl, AC2, Lchst

MAIN BOARD IC500 CXD2536R (SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER)

Pin No.	Pin Name		I/O			Function
1		VDD	–	Power supply terminal (+3.3V)
2	SWDT		I	Write data signal input from the system controller (IC600)
3		SCK	I	Serial clock signal input from the system controller (IC600)
4		XLAT	I	Serial latch signal input from the system controller (IC600)
5		SRDT	O/Z	Read data signal output to the system controller (IC600)
6	SENSE		O/Z	Internal status (SENSE) output to the system controller (IC600)
7	SMDO		I	Serial command control mode input from the system controller (Fixed at “H”)
8		SMDI	I	Serial command control mode input from the system controller (Fixed at “H”)
9		XINT	O	Interruption status output to the system controller (IC600)
10		RCPB	I	Record/playback selection signal input (Fixed at “L”)
11	WRMN		I	Write/monitor mode selection signal input from the system controller (Fixed at “L”)
12		TX	I	Writing data transmission timing input from the system controller
				Used together with the magnetic field head ON/OFF output				(Fixed at “L”)
13		VSS	–	Ground terminal
14		SICK	I	Chip reserve terminal (Fixed at “H”)
15		IDSL	I	Chip reserve terminal (Fixed at “H”)
16		XILT	I	Chip reserve terminal (Fixed at “H”)
17			I	Reset signal input from the system controller (IC600) When reset : “L”
		XRST
18-21	TS0-TS3		I	Test input terminal (Fixed at “L”)
22		EXIR	I	Chip reserve terminal (Fixed at “L”)
23		SASL	I	Single use the block selection		“L” : ATRAC, “H” : RAM controller (Fixed at “L”)
24		SGL	I	Normally fixed at “L”, Fixed at “H” when the ATRAC or RAM controller is single used (Fixed at “L”)
25		VSS	–	Ground terminal
26	AIRCPB		O	Record/playback mode signal output terminal of the ATRAC or external audio block
				Not used this set (OPEN)
27		XRQ	I/O	XRQ signal input/output terminal of the ATRAC interface				Not used this set (OPEN)
28	ADTO		I/O	Decoder data signal input/output terminal of the ATRAC			Not used this set (OPEN)
29		ADTI	I/O	Encoder data signal input/output terminal of the ATRAC			Not used this set (OPEN)
30	XALT		I/O	Data ready and XALT signal input/output terminal of the ATRAC interface Not used this set (OPEN)
31		ACK	I/O	ACK signal input/output terminal of the ATRAC interface				Not used this set (OPEN)
32		AC2	I/O	Error data signal input/output terminal of the ATRAC interface Not used this set (OPEN)
33	LCHST		I/O	Lch Start data signal input/output terminal of the ATRAC interface Not used this set (OPEN)
34		EXE	I/O	EXE signal input/output terminal of the ATRAC interface			Not used this set (OPEN)
35	MUTE		I/O	MUTE signal input/output terminal of the ATRAC interface				Not used this set (OPEN)
36	OSCO		O	45.1584MHz clock oscillation output
37		OSCI	I	45.1584MHz clock oscillation input
38		VSS	–	Ground terminal
39		ATT	I/O	ATT signal input/output terminal of the ATRAC interface			Not used this set (OPEN)
40		F86	O	11.6msec timing signal output terminal of the ATRAC block				Not used this set (OPEN)
41	DOUT		O	Monitor/audio decode data signal output to the D/A converter (IC550)
42		ADIN	I	Recording data signal input		Not used this set (Fixed at “L”)
43	ABCK		O	Bit clock signal output	Not used this set (OPEN)
44	ALRCK		O	L/R clock signal output to the D/A converter (IC550)
45-47	SA2-SA0		O	Address signal output	Not used this set (OPEN)
48, 49	A11,A10		O	Address signal output	Not used this set (OPEN)

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