AMD SB600 - Manual (Page 279)

©2008 Advanced Micro Devices, Inc. GPIO/GPOC
AMD SB600 Register Reference Manual Proprietary Page 279
Pin Name
(Note 1) Multi-function
Selection Output Enable
(On SMBus
Controller)
Bus 00h/ Dev14h/
Fun00
Input if GPI
(On SMBus
Controller)
Bus 00h/
Dev14h/ Fun00 Output if GPO
(On SMBus
Controller)
Bus 00h/
Dev14h/ Fun00 Power
Domain
GPIO[30:15]/
IDE_D[15:0] SMBus Reg62h[Bit 7]
0: IDE_D
1: GPIO RegA2h[Bit15:0]
0: Output
1: Input (Tri-state)
*Note 5 RegA4h[Bit15:0] RegA0h[Bit15:
0]
S0
GPIO31/
SPI_HOLD# SMBus Reg83h[Bit 6]
0: SPI_HOLD#
1: GPIO Reg 82h[Bit 6]
0: Output
1: Input (Tri-state) Reg 83h[Bit 2] Reg 82h[Bit 2] S0
GPIO32/
SPI_CS# SMBus Reg83h[Bit 7]
0: SPI_CS#
1: GPIO Reg 82h[Bit 7]
0: Output
1: Input (Tri-state) Reg 83h[Bit 3] Reg 82h[Bit 3] S0
GPIO33/
INTE# SMBus RegBDh[Bit 4]
0: INTE#
1: GPIO
*Note 4 RegBCh[Bit 4]
0: Output
1: Input (Tri-State) RegBDh[Bit 0]
*Note 4 RegBCh[Bit 0] S0
GPIO34/
INTF# SMBus RegBDh[Bit 5]
0: INTF#
1: GPIO
*Note 4 RegBCh[Bit 5]
0: Output
1: Input (Tri-State) RegBDh[Bit 1]
*Note 4 RegBCh[Bit 1] S0
GPIO35/
INTG# SMBus RegBDh[Bit 6]
0: INTG#
1: GPIO
*Note 4 RegBCh[Bit 6]
0: Output
1: Input (Tri-State) RegBDh[Bit 2]
*Note 4 RegBCh[Bit 2] S0
GPIO36/
INTH# SMBus RegBDh[Bit 7]
0: INTH#
1: GPIO
*Note 4 RegBCh[Bit 7]
0: Output
1: Input (Tri-State) RegBDh[Bit 3]
*Note 4 RegBCh[Bit 3] S0
GPIO37/
DPSLP_OD# SMBus RegA7h[Bit 4]
0: DPSLP_OD#
1: GPIO Reg A6h[Bit 4]
0: Output enable
1: Input (Tri-state) RegA7h[Bit 0] RegA6h[Bit 0] S0
GPIO38/
AC_BITCLK PM IO Reg59h[Bit 1:0]
00/01/10: AC97 port
11: GPIO Extend Reg 05h[Bit 1]
0: Output enable
1: Input (Tri-state) Extend Reg
03h[Bit 1] Extend Reg
07h[Bit 1] S0
GPIO39/
AC_SDOUT PM IO Reg59h[Bit 1:0]
00/01/10: AC97 port
11: GPIO Extend Reg 05h[Bit 3]
0: Output enable
1: Input (Tri-state) Extend Reg
03h[Bit 3] Extend Reg
07h[Bit 3] S0
GPIO40/
AC_SYNC PM IO Reg59h[Bit 1:0]
00/01/10: AC97 port
11: GPIO Extend Reg 05h[Bit 2]
0: Output enable
1: Input (Tri-state) Extend Reg
03h[Bit 2] Extend Reg
07h[Bit 2] S0
GPIO41/
SPDIF_OUT/
PCICLK7 PCIB Reg64h[Bit 8]
0: GPIO or AC97 port
1: PCICLK7
PM IO Reg59h[Bit 0]
0: AC97 port
1: GPIO Extend Reg 05h[Bit 4]
0: Output enable
1: Input (Tri-state) Extend Reg
03h[Bit 4] Extend Reg
07h[Bit 4] S0