AMD SC1201, SC1200 manual GPIO12

Signal Definitions 32579B

Table 3-2. BGU481 Ball Assignment - Sorted by Ball Number (Continued)

Ball		I/O	Buffer1	Power
No.	Signal Name	(PU/PD)	Type	Rail	Configuration
N15	VSS	GND	---	---	---
N16	VSS	GND	---	---	---
N17	VSS	GND	---	---	---
N18	VCORE	PWR	---	---	---
N19	VCORE	PWR	---	---	---
N28	VSS	GND	---	---	---
N29	GPIO12	I/O	INAB,	VIO	PMR[19] = 0
		(PU22.5)	O8/8
	AB2C	I/O	INAB,		PMR[19] = 1
		(PU22.5)	OD8
N30	AB1D	I/O	INAB,	VIO	PMR[23]3 = 0 or
		(PU22.5)	OD8		(PMR[23] = 1 and
					PMR[15] = 1)
	GPIO1	I/O	INT, O3/5		PMR[23]3 = 1 and
		(PU22.5)			PMR[15] = 0 and
					PMR[13] = 0
	IOCS1#	O	O3/5		PMR[23]3 = 1 and
					PMR[15] = 0 and
					PMR[13] = 1
N31	AB1C	I/O	INAB,	VIO	PMR[23]3 = 0 or
		(PU22.5)	OD8		(PMR[23] = 1 and
					PMR[15] = 1)
	GPIO20	I/O	INT, O3/5		PMR[23]3 = 1 and
		(PU22.5)			PMR[15] = 0 and
					PMR[7] = 0
	DOCCS#	O	O3/5		PMR[23]3 = 1 and
					PMR[15] = 0 and
					PMR[7] = 1
P1	AD4	I/O	INPCI,	VIO	Cycle Multiplexed
			OPCI
	A4	O	OPCI
P2	IDE_CS1#	O	O1/4	VIO	PMR[24] = 0
	TFTDE	O	O1/4		PMR[24] = 1
P3	AD1	I/O	INPCI,	VIO	Cycle Multiplexed
			OPCI
	A1	O	OPCI
P4	VCORE	PWR	---	---	---
P13	VCORE	PWR	---	---	---
P14	VCORE	PWR	---	---	---
P15	VSS	GND	---	---	---
P16	VSS	GND	---	---	---
P17	VSS	GND	---	---	---
P18	VCORE	PWR	---	---	---
P19	VCORE	PWR	---	---	---
P28	VCORE	PWR	---	---	---
P29	SDATA_OUT	O	OAC97	VIO	---
	TFT_PRSNT	I	INSTRP	VIO	Strap (See Table 3-
		(PD100)			4 on page 44.)
P30	SYNC	O	OAC97	VIO	---
	CLKSEL3	I	INSTRP		Strap (See Table 3-
		(PD100)			4 on page 44.)
P31	AC97_CLK	O	O2/5	VIO	PMR[25] = 1
R1	VSS	GND	---	---	---
R2	VSS	GND	---	---	---

Ball		I/O	Buffer1	Power
No.	Signal Name	(PU/PD)	Type	Rail	Configuration
R3	VSS	GND	---	---	---
R4	VSS	GND	---	---	---
R13	VSS	GND	---	---	---
R14	VSS	GND	---	---	---
R15	VSS	GND	---	---	---
R16	VSS	GND	---	---	---
R17	VSS	GND	---	---	---
R18	VSS	GND	---	---	---
R19	VSS	GND	---	---	---
R28	VSS	GND	---	---	---
R29	VSS	GND	---	---	---
R30	VSS	GND	---	---	---
R31	VSS	GND	---	---	---
T1	VCORE	PWR	---	---	---
T2	VCORE	PWR	---	---	---
T3	VCORE	PWR	---	---	---
T4	VCORE	PWR	---	---	---
T13	VSS	GND	---	---	---
T14	VSS	GND	---	---	---
T15	VSS	GND	---	---	---
T16	VSS	GND	---	---	---
T17	VSS	GND	---	---	---
T18	VSS	GND	---	---	---
T19	VSS	GND	---	---	---
T28	VCORE	PWR	---	---	---
T29	VCORE	PWR	---	---	---
T30	VCORE	PWR	---	---	---
T31	VCORE	PWR	---	---	---
U1	AD0	I/O	INPCI,	VIO	Cycle Multiplexed
			OPCI
	A0	O	OPCI
U2	IDE_ADDR2	O	O1/4	VIO	PMR[24] = 0
	TFTD4	O	O1/4		PMR[24] = 1
U3	AD2	I/O	INPCI,	VIO	Cycle Multiplexed
			OPCI
	A2	O	OPCI
U4	VCORE	PWR	---	---	---
U13	VSS	GND	---	---	---
U14	VSS	GND	---	---	---
U15	VSS	GND	---	---	---
U16	VSS	GND	---	---	---
U17	VSS	GND	---	---	---
U18	VSS	GND	---	---	---
U19	VSS	GND	---	---	---
U28	VCORE	PWR	---	---	---
U29	AC97_RST#	O	O2/5	VIO	FPCI_MON = 0
	F_STOP#	O	O2/5		FPCI_MON = 1

AMD Geode™ SC1200/SC1201 Processor Data Book 35