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AMD Geode™ SC3200 Processor Data Book 29
Signal Definitions
32581C
Table 3-2. BGU481 Ball Assignment - Sorted by Ball Number
Ball
No. Signal Name
I/O
(PU/PD)
Buffer
1
Type
Power
Rail Configuration
A1 V
SS
GND --- --- ---
A2 V
IO
PWR --- --- ---
A3 AD30 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D6 I/O IN
PCI
,
O
PCI
A4 PCICLK0 O O
PCI
V
IO
---
FPCI_MON I
(PD
100
)
IN
STRP
Strap (See Table 3-
4 on page 44.)
A5 REQ1# I
(PU
22.5
)
IN
PCI
V
IO
---
A6 PCIRST# O O
PCI
V
IO
---
A7 PCICLK I IN
T
V
IO
---
A8 IOW# O O
3/5
V
IO
PMR[21] = 0 and
PMR[2] = 0
DOCW# O O
3/5
PMR[21] = 0 and
PMR[2] = 1
GPIO15 I/O
(PU
22.5
)
IN
TS
,
O
3/5
PMR[21] = 1 and
PMR[2] = 1
A9 GPIO20 I/O
(PU
22.5
)
IN
T
,
O
3/5
V
IO
PMR[23]
3
= 0 and
PMR[7] = 0
DOCCS# O
(PU
22.5
)
O
3/5
PMR[23]
3
= 0 and
PMR[7] = 1
TFTD0 O
(PU
22.5
)
O
1/4
PMR[23]
3
= 1
A10 GPIO17 I/O
(PU
22.5
)
IN
TS
,
O
3/5
V
IO
PMR[23]
3
= 0 and
PMR[5] = 0
IOCS0# O
(PU
22.5
)
O
3/5
PMR[23]
3
= 0 and
PMR[5] = 1
TFTDCK O
(PU
22.5
)
O
1/4
PMR[23]
3
= 1
A11 HSYNC O O
1/4
V
IO
---
A12 V
IO
PWR --- --- ---
A13 V
SS
GND --- --- ---
A14 NC --- --- --- ---
A15 NC --- --- --- ---
A16 V
SS
GND --- --- ---
A17 V
PLL2
PWR --- --- ---
A18
5,
2
PD7 I/O IN
T
,
O
14/14
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD13 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0)
F_AD7 O O
14/14
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
A19 V
SS
GND --- --- ---
A20
5, 2
PD6 I/O IN
T
,
O
14/14
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD1 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0
F_AD6 O O
14/14
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
A21
5, 2
PD1 I/O IN
T
,
O
14/14
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD7 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0)
F_AD1 O O
14/14
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
A22
5, 2
STB#/WRITE# O O
14/14
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD17 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0)
F_FRAME# O O
14/14
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
A23 NC --- --- --- ---
A24 NC --- --- --- ---
A25 NC --- --- --- ---
A26
5
DPOS_PORT3 I/O IN
USB
,
O
USB
AV
C-
CUSB
---
A27
5
DNEG_PORT3 I/O IN
USB
,
O
USB
AV
C-
CUSB
---
A28
5
DPOS_PORT1 I/O IN
USB
,
O
USB
AV
C-
CUSB
---
A29
5
DNEG_PORT1 I/O IN
USB
,
O
USB
AV
C-
CUSB
---
A30 V
IO
PWR --- --- ---
A31 V
SS
GND --- --- ---
B1 V
SS
GND --- --- ---
B2 V
IO
PWR --- --- ---
B3 AD29 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D5 I/O IN
PCI
,
O
PCI
B4 AD28 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D4 I/O IN
PCI
,
O
PCI
B5 REQ0# I
(PU
22.5
)
INPCI V
IO
---
Ball
No. Signal Name
I/O
(PU/PD)
Buffer
1
Type
Power
Rail Configuration