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