AMD Geode SC1201 User Manual
Page 35

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)