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30 AMD Geode™ SC1200/SC1201 Processor Data Book
Signal Definitions
32579B
A28
6
DPOS_PORT1 I/O IN
USB
,
O
USB
AV
C-
CUSB
---
A29
6
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
---
B6 AD23 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A23 O O
PCI
B7 V
SS
GND --- --- ---
B8 RD# O O
3/5
V
IO
---
CLKSEL0 I
(PD
100
)
IN
STRP
Strap (See Table 3-
4 on page 44.)
B9 WR# O O
3/5
V
IO
B10 V
SS
GND --- --- ---
B11 VSYNC O O
1/4
V
IO
---
B12 RED O WIRE AV
C-
CCRT
---
B13 V
IO
PWR --- --- ---
B14 AV
SSCRT
GND --- --- ---
B15 SETRES I WIRE AV
C-
CCRT
---
B16 V
IO
PWR --- --- ---
B17
6, 2
BUSY/WAIT# I IN
T
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD3 O O
1/4
(PMR[23]
3
= 1 and
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD2 O O
1/4
(PMR[23]
3
= 1 and
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
F_C/BE1# O O
1/4
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
Ball
No. Signal Name
I/O
(PU/PD)
Buffer
1
Type
Power
Rail Configuration
B18
6, 2
ACK# I IN
T
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTDE O O
1/4
(PMR[23]
3
= 1 and
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPCK O O
1/4
(PMR[23]
3
= 1 and
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
FPCICLK O O
1/4
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
B19 V
IO
PWR --- --- ---
B20
6,2
SLIN#/ASTRB# O O
14/14
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD16 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0)
F_IRDY# O O
14/14
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
B21
6,2
INIT# O O
14/14
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD5 O O
1/4
(PMR[23]
3
= 1 and
PMR[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD4 O O
1/4
(PMR[23]
3
= 1 and
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
SMI_O O O
14/14
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
B22 V
SS
GND --- --- ---
B23 TVIOM O WIRE AV
CCTV
---
B24 AV
SSTV
GND --- --- ---
B25 V
SS
GND --- --- ---
B26 TVCOMP I WIRE AV
CCTV
---
B27
6
DPOS_PORT2 I/O IN
USB
,
O
USB
AV
C-
CUSB
---
B28
6
DNEG_PORT2 I/O IN
USB
,
O
USB
AV
C-
CUSB
---
B29 GPIO10 I/O
(PU
22.5
)
IN
TS
,
O
8/8
V
IO
PMR[18] = 0 and
PMR[8] = 0
DSR2# I
(PU
22.5
)
IN
TS
PMR[18] = 1 and
PMR[8] = 0
IDE_IORDY1 I
(PU
22.5
)
IN
TS1
PMR[18] = 0 and
PMR[8] = 1
SDTEST1 O
(PU
22.5
)
O
2/5
PMR[18] = 1 and
PMR[8] = 1
B30 V
SS
GND --- --- ---
B31 V
IO
PWR --- --- ---
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)