Pioneer SE-DIR800C manual Pin Name, Function

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	No.	Pin Name	I/O	Function
A	101	RAMA11	O	Sub DSP: External memory interface Address 11
	102	VSS	−	Ground
	103	VDD2	−	+2.5V power supply (for internal core logic)
	104	RAMA12	O	Sub DSP: External memory interface Address 12
	105	RAMA13	O	Sub DSP: External memory interface Address 13
	106	RAMA14	O	Sub DSP: External memory interface Address 14
	107	RAMA15	O	Sub DSP: External memory interface Address 15
	108	RAMA16	O	Sub DSP: External memory interface Address 16
	109	RAMA17	O	Sub DSP: External memory interface Address 17
	110	OVFB/END	O	Sub DSP: Overflow / Program end detect
B	111	ZEROFLG	O	Main DSP: Zero flag output
	112	VSS	−	Ground
	113	NONPCM	O	Main DSP: non-PCM data detect
	114	DTSDATA	O	Main DSP: DTS data detect
	115	AC3DATA	O	Main DSP: AC-3 data detect
	116	MUTE	O	Main DSP: Auto mute detect
	117	KARAOKE	O	Main DSP: AC-3 Karaoke data detect
	118	VDD1	−	+3.3V power supply (for I/O)
	119	SURENC	O	Main DSP: AC-3 2/0 mode Dolby Surround Encode input detect
	120	CRC	O	Main DSP: AC-3 CRC error detect
C	121	/LOCK	O	DIR: PLL lock detect
	122	DIRINT	O	DIR: interrupt output
	123	/CS	Is	Microprocessor interface Chip select input
	124	SO	Ot	Microprocessor interface Data output
	125	SI	Is	Microprocessor interface Data input
	126	SCK	Is	Microprocessor interface Clock input
	127	/IC	Is	Initial clear input
	128	VSS	−	Ground

I : Input pin

Is : Schmitt trigger input pin

I+ : Input pin with a pull-up resistor

DO : Output pin

Ot : Tri-state output pin

A : Analog pin

E

F

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SE-DIR800C

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