Sony STR-DE835 specifications 49, Pin No, Pin Name, Description

4-22. IC PIN FUNCTION DESCRIPTION IC1401 CXD2712R AUDIO DSP(DIGITAL BOARD)

Pin No.			Pin Name	I/O	Description
	1		VSS3	—	Ground
2	–	5	SOA – SOD	O	Serial data output
6, 7			ECJ0, ECJ1	I	Conditional jump input terminal (7pin Connected to ground)
	8		—	NC	No connection
	9		XHDWR	I	HCIF data write
	10		XHDRD	I	HCIF data read
	11		VSS4	—	Ground
	12		VDD2	—	+3.3V
	13		HRDY	O	HCIF ready signal Open drain
	14		XHDCS	I	HCIF chip select
	15		HA0	I	HCIF address input
16	–	20	HD0 – HD4	I/O	HCIF data input/output
	21		VSS5	—	Ground
	22		VDD3	—	+3.3V
23	–	25	HD5 – HD7	I/O	HCIF data input/output
	26		XRST	I	Reset input “L”: active
27	–	30	FGP0 – FGP3	O	Test data output
	31		VSS6	—	Ground
32	–	40	ED0 – ED8	I/O	External RAM data input/output
	41		VSS7	—	Ground
	42		VDD4	—	+3.3V
43	–	49	ED9 – ED15	I/O	External RAM data input/output
	50		TSTD	I	Test data input “L” = normal “H” = test (Connected to ground)
	51		VSS8	—	Ground
	52		VDD5	—	+3.3V
53	–	60	ED16 – ED23	I/O	External RAM data input/output
	61		VSS9	—	Ground
62	–	69	ED24 – ED31	I/O	External RAM data input/output
	70		XOE	O	External RAM output enable
	71		VSS10	—	Ground
	72		VDD6	—	+3.3V
	73		CAS	O	External RAM column address strobe (Not used)
	74		XWE	O	External RAM write enable (Not used)
	75		RAS	O	External RAM raw address strobe
76	–	80	EA0 – EA4	I/O	External RAM address output/test data input
	81		VSS11	—	Ground
	82		VDD7	—	+3.3V
83 –89			EA5 – EA11	I/O	External RAM address output/test data input
	90		EA12	O	External RAM address output

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