
48
AMD Geode SC1200/SC1201 Processor Data Book
Signal Definitions
Revision 7.1
C30
GPIO7
I/O
(PU22.5)
INTS,
O1/4
VIO
PMR[17] = 0 and
PMR[8] = 0
RTS2#
O
(PU22.5)
O1/4
PMR[17] = 1 and
PMR[8] = 0
IDE_DACK1#
O
(PU22.5)
O1/4
PMR[17] = 0 and
PMR[8] = 1
SDTEST0
O
(PU22.5)
O2/5
PMR[17] = 1 and
PMR[8] = 1
C31
GPIO8
I/O
(PU22.5)
INTS,
O8/8
VIO
PMR[17] = 0 and
PMR[8] = 0
CTS2#
I
(PU22.5)
INTS
PMR[17] = 1 and
PMR[8] = 0
IDE_DREQ1
I
(PU22.5)
INTS1
PMR[17] = 0 and
PMR[8] = 1
SDTEST4
O
(PU22.5)
O2/5
PMR[17] = 1 and
PMR[8] = 1
D1
AD21
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A21
O
OPCI
D2
AD22
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A22
O
OPCI
D3
AD20
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A20
O
OPCI
D4
AD27
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
D3
I/O
INPCI,
OPCI
D5
AD31
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
D7
I/O
INPCI,
OPCI
D6
PCICLK1
O
OPCI
VIO
---
LPC_ROM
I
(PD100)
INSTRP
D7
VSS
GND
---
D8
FRAME#
I/O
(PU22.5)
INPCI,
OPCI
VIO
---
D9
IOR#
O
O3/5
VIO
PMR[21] = 0 and
PMR[2] = 0
DOCR#
O
O3/5
PMR[21] = 0 and
PMR[2] = 1
GPIO14
I/O
(PU22.5)
INTS,
O3/5
PMR[21] = 1 and
PMR[2] = 1
D10
GPIO1
I/O
(PU22.5)
INT, O3/
5
VIO
(PMR[23]3 = 0 and
PMR[13] = 0) or
PMR[15] = 1 and
PMR[13] = 0)
IOCS1#
O
(PU22.5)
O3/5
VIO
PMR[13] = 1) or
PMR[15] = 1 and
PMR[13] = 1)
TFTD12
O
(PU22.5)
O1/4
VIO
PMR[15] = 0
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration
D11
TRDE#
O
O3/5
VIO
PMR[12] = 0
GPIO0
I/O
(PU22.5)
INTS,
O3/5
VIO
PMR[12] = 1
D12
VCCCRT
PWR
---
D13
VSS
GND
---
D14
VIO
PWR
---
D15
AVCCCRT
PWR
---
D16
VREF
I/O
WIRE
AVC-
CCRT
---
PE
I
(PU22.5
PD22.5)
INT
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
(PU/PD under soft-
ware control.)
TFTD14
O
O1/4
(PMR[27] = 0 and
FPCI_MON = 0)
F_C/BE2#
O
O1/4
(PMR[27] = 1 or
FPCI_MON = 1)
D18
VIO
PWR
---
D19
VSS
GND
---
I/O
INT,
O14/14
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD8
O
O1/4
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD7
O
O1/4
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
F_AD2
O
O14/14
(PMR[27] = 1 or
FPCI_MON = 1)
ERR#
I
INT, O1/
4
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD4
O
O1/4
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD3
O
O1/4
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
F_C/BE0#
O
O1/4
(PMR[27] = 1 or
FPCI_MON = 1)
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration