
AMD Geode SC1200/SC1201 Processor Data Book
47
Signal Definitions
Revision 7.1
C1
AD26
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
D2
I/O
INPCI,
OPCI
C2
AD24
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
D0
I/O
INPCI,
OPCI
C3
VIO
PWR
---
C4
AD25
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
D1
I/O
INPCI,
OPCI
C5
GNT0#
O
OPCI
VIO
---
DID0
I
(PD100)
INSTRP
C6
GNT1#
O
OPCI
VIO
---
DID1
I
(PD100)
INSTRP
C7
VIO
PWR
---
C8
ROMCS#
O
O3/5
VIO
---
BOOT16
I
(PD100)
INSTRP
VIO
C9
GPIO19
I/O
(PU22.5)
INTS,
O3/5
VIO
PMR[9] = 0 and
PMR[4] = 0
INTC#
I
(PU22.5)
INTS
PMR[9] = 0 and
PMR[4] = 1
IOCHRDY
I
(PU22.5)
INTS1
PMR[9] = 1 and
PMR[4] = 1
C10
VIO
PWR
---
C11
IRTX
O
O8/8
VIO
PMR[6] = 0
SOUT3
O
O8/8
PMR[6] = 1
C12
VSSCRT
GND
---
C13
AVCCCRT
PWR
---
C14
AVSSCRT
GND
---
C15
AVSSCRT
GND
---
C16
AVSSPLL2
GND
---
SLCT
I
INT
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD15
O
O1/4
(PMR[27] = 0 and
FPCI_MON = 0)
F_C/BE3#
O
O1/4
(PMR[27] = 1 or
FPCI_MON = 1)
C18
PD4
I/O
INT,
O14/14
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD10
O
O1/4
(PMR[27] = 0 and
FPCI_MON = 0)
F_AD4
O
O14/14
(PMR[27] = 1 or
FPCI_MON = 1)
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration
PD5
I/O
INT,
O14/14
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD11
O
O1/4
(PMR[27] = 0 and
FPCI_MON = 0)
F_AD5
O
O14/14
(PMR[27] = 1 or
FPCI_MON = 1)
PD3
I/O
INT,
O14/14
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD9
O
O1/4
(PMR[27] = 0 and
FPCI_MON = 0)
F_AD3
O
O14/14
(PMR[27] = 1 or
FPCI_MON = 1)
PD0
I/O
INT,
O14/14
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD6
O
O1/4
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD5
O
O1/4
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
F_AD0
O
O14/14
(PMR[27] = 1 or
FPCI_MON = 1)
C22
VIO
PWR
---
C23
SVC
O
WIRE
AVCCTV See F4BAR0+
Memory Offset
C08h[4:3] bit
description on
Cr
O
Cb
O
TVB
O
TVR
O
C24
TVREF
I/O
WIRE
AVCCTV ---
C25
VIO
PWR
---
C26
INTB#
I
(PU22.5)
INPCI
VIO
---
C27
AVSSUSB
GND
---
C28
GPIO9
I/O
(PU22.5)
INTS,
O1/4
VIO
PMR[18] = 0 and
PMR[8] = 0
DCD2#
I
(PU22.5)
INTS
PMR[18] = 1 and
PMR[8] = 0
IDE_IOW1#
O
(PU22.5)
O1/4
PMR[18] = 0 and
PMR[8] = 1
SDTEST2
O
(PU22.5)
O2/5
PMR[18] = 1 and
PMR[8] = 1
C29
VIO
PWR
---
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration