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AMD Geode™ SC1200/SC1201 Processor Data Book 35
Signal Definitions
32579B
N15 V
SS
GND --- --- ---
N16 V
SS
GND --- --- ---
N17 V
SS
GND --- --- ---
N18 V
CORE
PWR --- --- ---
N19 V
CORE
PWR --- --- ---
N28 V
SS
GND --- --- ---
N29 GPIO12 I/O
(PU
22.5
)
IN
AB
,
O
8/8
V
IO
PMR[19] = 0
AB2C I/O
(PU
22.5
)
IN
AB
,
OD
8
PMR[19] = 1
N30 AB1D I/O
(PU
22.5
)
IN
AB
,
OD
8
V
IO
PMR[23]
3
= 0 or
(PMR[23] = 1 and
PMR[15] = 1)
GPIO1 I/O
(PU
22.5
)
IN
T
, O
3/5
PMR[23]
3
= 1 and
PMR[15] = 0 and
PMR[13] = 0
IOCS1# O O
3/5
PMR[23]
3
= 1 and
PMR[15] = 0 and
PMR[13] = 1
N31 AB1C I/O
(PU
22.5
)
IN
AB
,
OD
8
V
IO
PMR[23]
3
= 0 or
(PMR[23] = 1 and
PMR[15] = 1)
GPIO20 I/O
(PU
22.5
)
IN
T
, O
3/5
PMR[23]
3
= 1 and
PMR[15] = 0 and
PMR[7] = 0
DOCCS# O O3/5
PMR[23]
3
= 1 and
PMR[15] = 0 and
PMR[7] = 1
P1 AD4 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A4 O O
PCI
P2 IDE_CS1# O O
1/4
V
IO
PMR[24] = 0
TFTDE O O
1/4
PMR[24] = 1
P3 AD1 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A1 O O
PCI
P4 V
CORE
PWR --- --- ---
P13 V
CORE
PWR --- --- ---
P14 V
CORE
PWR --- --- ---
P15 V
SS
GND --- --- ---
P16 V
SS
GND --- --- ---
P17 V
SS
GND --- --- ---
P18 V
CORE
PWR --- --- ---
P19 V
CORE
PWR --- --- ---
P28 V
CORE
PWR --- --- ---
P29 SDATA_OUT O O
AC97
V
IO
---
TFT_PRSNT I
(PD
100
)
IN
STRP
V
IO
Strap (See Table 3-
4 on page 44.)
P30 SYNC O O
AC97
V
IO
---
CLKSEL3 I
(PD
100
)
IN
STRP
Strap (See Table 3-
4 on page 44.)
P31 AC97_CLK O O
2/5
V
IO
PMR[25] = 1
R1 V
SS
GND --- --- ---
R2 V
SS
GND --- --- ---
Ball
No. Signal Name
I/O
(PU/PD)
Buffer
1
Type
Power
Rail Configuration
R3 V
SS
GND --- --- ---
R4 V
SS
GND --- --- ---
R13 V
SS
GND --- --- ---
R14 V
SS
GND --- --- ---
R15 V
SS
GND --- --- ---
R16 V
SS
GND --- --- ---
R17 V
SS
GND --- --- ---
R18 V
SS
GND --- --- ---
R19 V
SS
GND --- --- ---
R28 V
SS
GND --- --- ---
R29 V
SS
GND --- --- ---
R30 V
SS
GND --- --- ---
R31 V
SS
GND --- --- ---
T1 V
CORE
PWR --- --- ---
T2 V
CORE
PWR --- --- ---
T3 V
CORE
PWR --- --- ---
T4 V
CORE
PWR --- --- ---
T13 V
SS
GND --- --- ---
T14 V
SS
GND --- --- ---
T15 V
SS
GND --- --- ---
T16 V
SS
GND --- --- ---
T17 V
SS
GND --- --- ---
T18 V
SS
GND --- --- ---
T19 V
SS
GND --- --- ---
T28 V
CORE
PWR --- --- ---
T29 V
CORE
PWR --- --- ---
T30 V
CORE
PWR --- --- ---
T31 V
CORE
PWR --- --- ---
U1 AD0 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A0 O O
PCI
U2 IDE_ADDR2 O O
1/4
V
IO
PMR[24] = 0
TFTD4 O O
1/4
PMR[24] = 1
U3 AD2 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A2 O O
PCI
U4 V
CORE
PWR --- --- ---
U13 V
SS
GND --- --- ---
U14 V
SS
GND --- --- ---
U15 V
SS
GND --- --- ---
U16 V
SS
GND --- --- ---
U17 V
SS
GND --- --- ---
U18 V
SS
GND --- --- ---
U19 V
SS
GND --- --- ---
U28 V
CORE
PWR --- --- ---
U29 AC97_RST# O O
2/5
V
IO
FPCI_MON = 0
F_STOP# O O
2/5
FPCI_MON = 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)