
AMD Geode SC1200/SC1201 Processor Data Book
37
Signal Definitions
Revision 7.1
AJ1
GPIO10
I/O
(PU22.5)
INTS,
O8/8
VIO
PMR[18] = 0 and
PMR[8] = 0
DSR2#
I
(PU22.5)
INTS
PMR[18] = 1 and
PMR[8] = 0
IDE_IORDY1
I
(PU22.5)
INTS1
PMR[18] = 0 and
PMR[8] = 1
SDTEST1
O
(PU22.5)
O2/5
PMR[18] = 1 and
PMR[8] = 1
AJ2
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
AJ3
VIO
PWR
---
AJ4
SIN2
I
INTS
VIO
PMR[28] = 0
SDTEST3
O
O2/5
PMR[28] = 1
AJ5
TMS
I
(PU22.5)
INPCI
VIO
---
AJ6
VPD7
I
INT
VIO
---
AJ7
VPD6
I
INT
VIO
---
AJ8
VPD2
I
INT
VIO
---
AJ9
GPIO38/IRRX2
I/O
(PU22.5)
INPCI,
OPCI
VIO
PMR[14]6 = 0 and
IRRX2 input is con-
nected to the input
path of GPIO38.
There is no logic
required to enable
IRRX2, just a sim-
ple connection.
Hence, when
GPIO38 is the
selected function,
IRRX2 is also
selected.
LPCPD#
O
OPCI
AJ10
GPIO35
I/O
(PU22.5)
INPCI,
OPCI
VIO
LAD3
I/O
(PU22.5)
INPCI,
OPCI
AJ11
GPIO32
I/O
(PU22.5)
INPCI,
OPCI
VIO
LAD0
I/O
(PU22.5)
INPCI,
OPCI
AJ12
GPIO12
I/O
(PU22.5)
INAB,
O8/8
VIO
PMR[19] = 0
AB2C
I/O
(PU22.5)
INAB,
OD8
PMR[19] = 1
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration
AJ13
AB1C
I/O
(PU22.5)
INAB,
OD8
VIO
(PMR[23] = 1 and
PMR[15] = 1)
GPIO20
I/O
(PU22.5)
INT, O3/
5
PMR[15] = 0 and
PMR[7] = 0
DOCCS#
O
O3/5
PMR[15] = 0 and
PMR[7] = 1
AJ14
AC97_CLK
O
O2/5
VIO
PMR[25] = 1
AJ15
AC97_RST#
O
O2/5
VIO
FPCI_MON = 0
F_STOP#
O
O2/5
FPCI_MON = 1
AJ16
SDCLK3
O
O2/5
VIO
---
MD56
I/O
INT,
TS2/5
VIO
---
MD58
I/O
INT,
TS2/5
VIO
---
MD61
I/O
INT,
TS2/5
VIO
---
AJ20
DQM7
O
O2/5
VIO
---
AJ21
DQM3
O
O2/5
VIO
---
MD25
I/O
INT,
TS2/5
VIO
---
MD29
I/O
INT,
TS2/5
VIO
---
MD54
I/O
INT,
TS2/5
VIO
---
MD50
I/O
INT,
TS2/5
VIO
---
AJ26
DQM6
O
O2/5
VIO
---
MD22
I/O
INT,
TS2/5
VIO
---
MD19
I/O
INT,
TS2/5
VIO
---
AJ29
VIO
PWR
---
AJ30
SDCLK_IN
I
INT
VIO
---
MD12
I/O
INT,
TS2/5
VIO
---
AK1
VIO
PWR
---
AK2
VSS
GND
---
AK3
SOUT2
O
O8/8
VIO
---
CLKSEL2
I
(PD100)
INSTRP
AK4
TRST#
I
(PU22.5)
INPCI
VIO
---
AK5
TDI
I
(PU22.5)
INPCI
VIO
---
AK6
VIO
PWR
---
AK7
VSS
GND
---
AK8
VPD1
I
INT
VIO
---
AK9
GPIO37
I/O
(PU22.5)
INPCI,
OPCI
VIO
LFRAME#
O
OPCI
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration