Signal Definitions
Table 3-2.
Ball
I/O
No.
Signal Name
(PU/PD)
C15
V
GND
SS
C16
AV
GND
SSPLL2
SLCT
I
5,2
C17
TFTD15
O
F_C/BE3#
O
C18
PD4
I/O
TFTD10
O
F_AD4
O
5,2
PD5
I/O
C19
TFTD11
O
F_AD5
O
5,2
PD3
I/O
C20
TFTD9
O
F_AD3
O
PD0
I/O
5,2
C21
TFTD6
O
F_AD0
O
C22
V
PWR
IO
C23
NC
---
C24
NC
---
C25
V
PWR
IO
C26
INTB#
I
(PU
22.5
C27
AV
GND
SSUSB
AMD Geode™ SC3200 Processor Data Book
BGU481 Ball Assignment - Sorted by Ball Number (Continued)
1
Buffer
Power
Type
Rail
Configuration
---
---
---
---
---
---
IN
V
3
PMR[23]
= 0 and
T
IO
(PMR[27] = 0 and
FPCI_MON = 0)
O
3
PMR[23]
= 1 and
1/4
(PMR[27] = 0 and
FPCI_MON = 0)
O
3
PMR[23]
= 0 and
1/4
(PMR[27] = 1 or
FPCI_MON = 1)
IN
,
V
3
PMR[23]
= 0 and
T
IO
O
(PMR[27] = 0 and
14/14
FPCI_MON = 0)
O
3
PMR[23]
= 1 and
1/4
(PMR[27] = 0 and
FPCI_MON = 0)
O
3
PMR[23]
= 0 and
14/14
(PMR[27] = 1 or
FPCI_MON = 1)
IN
,
V
3
PMR[23]
= 0 and
T
IO
O
(PMR[27] = 0 and
14/14
FPCI_MON = 0)
O
3
PMR[23]
= 1 and
1/4
(PMR[27] = 0 and
FPCI_MON = 0)
O
3
PMR[23]
= 0 and
14/14
(PMR[27] = 1 or
FPCI_MON = 1)
IN
,
V
3
PMR[23]
= 0 and
T
IO
O
(PMR[27] = 0 and
14/14
FPCI_MON = 0)
O
3
PMR[23]
= 1 and
1/4
(PMR[27] = 0 and
FPCI_MON = 0)
O
3
PMR[23]
= 0 and
14/14
(PMR[27] = 1 or
FPCI_MON = 1)
IN
,
V
3
PMR[23]
= 0 and
T
IO
O
(PMR[27] = 0 and
14/14
FPCI_MON = 0)
O
3
PMR[23]
= 1 and
1/4
(PMR[27] = 0 and
FPCI_MON = 0)
O
3
PMR[23]
= 0 and
14/14
(PMR[27] = 1 or
FPCI_MON = 1)
---
---
---
---
---
---
---
---
---
---
---
---
IN
V
---
PCI
IO
)
---
---
---
Ball
I/O
No.
Signal Name
(PU/PD)
C28
GPIO9
I/O
(PU
22.5
DCD2#
I
(PU
22.5
IDE_IOW1#
O
(PU
22.5
SDTEST2
O
(PU
22.5
C29
V
PWR
IO
C30
GPIO7
I/O
(PU
22.5
RTS2#
O
(PU
22.5
IDE_DACK1#
O
(PU
22.5
SDTEST0
O
(PU
22.5
C31
GPIO8
I/O
(PU
22.5
CTS2#
I
(PU
22.5
IDE_DREQ1
I
(PU
22.5
SDTEST4
O
(PU
22.5
D1
AD21
I/O
A21
O
D2
AD22
I/O
A22
O
D3
AD20
I/O
A20
O
D4
AD27
I/O
D3
I/O
D5
AD31
I/O
D7
I/O
D6
PCICLK1
O
LPC_ROM
I
(PD
100
D7
V
GND
SS
D8
FRAME#
I/O
(PU
22.5
D9
IOR#
O
DOCR#
O
GPIO14
I/O
(PU
22.5
32581C
1
Buffer
Power
Type
Rail
Configuration
IN
,
V
PMR[18] = 0 and
TS
IO
)
PMR[8] = 0
O
1/4
IN
PMR[18] = 1 and
TS
)
PMR[8] = 0
O
PMR[18] = 0 and
1/4
)
PMR[8] = 1
O
PMR[18] = 1 and
2/5
)
PMR[8] = 1
---
---
---
IN
,
V
PMR[17] = 0 and
TS
IO
)
PMR[8] = 0
O
1/4
O
PMR[17] = 1 and
1/4
)
PMR[8] = 0
O
PMR[17] = 0 and
1/4
)
PMR[8] = 1
O
PMR[17] = 1 and
2/5
)
PMR[8] = 1
IN
,
V
PMR[17] = 0 and
TS
IO
)
PMR[8] = 0
O
8/8
IN
PMR[17] = 1 and
TS
)
PMR[8] = 0
IN
PMR[17] = 0 and
TS1
)
PMR[8] = 1
O
PMR[17] = 1 and
2/5
)
PMR[8] = 1
IN
,
V
Cycle Multiplexed
PCI
IO
O
PCI
O
PCI
IN
,
V
Cycle Multiplexed
PCI
IO
O
PCI
O
PCI
IN
,
V
Cycle Multiplexed
PCI
IO
O
PCI
O
PCI
IN
,
V
Cycle Multiplexed
PCI
IO
O
PCI
IN
,
PCI
O
PCI
IN
,
V
Cycle Multiplexed
PCI
IO
O
PCI
IN
,
PCI
O
PCI
O
V
---
PCI
IO
IN
Strap (See Table 3-
STRP
)
4 on page 44.)
---
---
---
IN
,
V
---
PCI
IO
)
O
PCI
O
V
PMR[21] = 0 and
3/5
IO
PMR[2] = 0
O
PMR[21] = 0 and
3/5
PMR[2] = 1
IN
,
PMR[21] = 1 and
TS
)
PMR[2] = 1
O
3/5
31
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