30
AMD Geode SC1200/SC1201 Processor Data Book
Signal Definitions
32579B
DPOS_PORT1
I/O
INUSB,
OUSB
AVC-
CUSB
---
DNEG_PORT1
I/O
INUSB,
OUSB
AVC-
CUSB
---
A30
VIO
PWR
---
A31
VSS
GND
---
B1
VSS
GND
---
B2
VIO
PWR
---
B3
AD29
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
D5
I/O
INPCI,
OPCI
B4
AD28
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
D4
I/O
INPCI,
OPCI
B5
REQ0#
I
(PU22.5)
INPCI
VIO
---
B6
AD23
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A23
O
OPCI
B7
VSS
GND
---
B8
RD#
O
O3/5
VIO
---
CLKSEL0
I
(PD100)
INSTRP
B9
WR#
O
O3/5
VIO
B10
VSS
GND
---
B11
VSYNC
O
O1/4
VIO
---
B12
RED
O
WIRE
AVC-
CCRT
---
B13
VIO
PWR
---
B14
AVSSCRT
GND
---
B15
SETRES
I
WIRE
AVC-
CCRT
---
B16
VIO
PWR
---
BUSY/WAIT#
I
INT
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD3
O
O1/4
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD2
O
O1/4
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
F_C/BE1#
O
O1/4
(PMR[27] = 1 or
FPCI_MON = 1)
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration
ACK#
I
INT
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTDE
O
O1/4
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPCK
O
O1/4
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
FPCICLK
O
O1/4
(PMR[27] = 1 or
FPCI_MON = 1)
B19
VIO
PWR
---
SLIN#/ASTRB#
O
O14/14
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD16
O
O1/4
(PMR[27] = 0 and
FPCI_MON = 0)
F_IRDY#
O
O14/14
(PMR[27] = 1 or
FPCI_MON = 1)
INIT#
O
O14/14
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD5
O
O1/4
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD4
O
O1/4
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
SMI_O
O
O14/14
(PMR[27] = 1 or
FPCI_MON = 1)
B22
VSS
GND
---
B23
TVIOM
O
WIRE
AVCCTV ---
B24
AVSSTV
GND
---
B25
VSS
GND
---
B26
TVCOMP
I
WIRE
AVCCTV ---
DPOS_PORT2
I/O
INUSB,
OUSB
AVC-
CUSB
---
DNEG_PORT2
I/O
INUSB,
OUSB
AVC-
CUSB
---
B29
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
B30
VSS
GND
---
B31
VIO
PWR
---
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration