AMD Geode SC3200 Data Book page 34

32581C
Table 3-2.
Ball I/O
No. Signal Name (PU/PD)
L29 GPIO35 I/O
(PU
22.5
LAD3 I/O
(PU
22.5
L30 GPIO34 I/O
(PU
22.5
LAD2 I/O
(PU
22.5
L31 GPIO33 I/O
(PU
22.5
LAD1 I/O
(PU
22.5
M1 V GND
SS
M2 AD7 I/O
A7 O
M3 V PWR
IO
M4 AD8 I/O
A8 O
M28 GPIO32 I/O
(PU
22.5
LAD0 I/O
(PU
22.5
M29 GPIO13 I/O
(PU
22.5
AB2D I/O
(PU
22.5
M30 V PWR
IO
M31 V GND
SS
N1 AD3 I/O
A3 O
N2 AD6 I/O
A6 O
N3 AD5 I/O
A5 O
N4 V GND
SS
N13 V PWR
CORE
N14 V PWR
CORE
N15 V GND
SS
N16 V GND
SS
N17 V GND
SS
N18 V PWR
CORE
N19 V PWR
CORE
N28 V GND
SS
34
BGU481 Ball Assignment - Sorted by Ball Number (Continued)
1
Buffer Power
Type Rail Configuration
IN , V 4
PMR[14] = 0 and
PCI IO
)
O
4
PCI PMR[22] = 0
IN , 4
PMR[14] = 1 and
PCI
)
O
4
PCI PMR[22] = 1
IN , V 4
PMR[14] = 0 and
PCI IO
)
O
4
PMR[22] = 0
PCI
IN ,
4
PMR[14] = 1 and
PCI
)
O
4
PMR[22] = 1
PCI
IN , V 4
PMR[14] = 0 and
PCI IO
)
O
4
PCI PMR[22] = 0
IN , 4
PMR[14] = 1 and
PCI
)
O
4
PCI PMR[22] = 1
--- --- ---
IN , V Cycle Multiplexed
PCI IO
O
PCI
O
PCI
--- --- ---
IN , V Cycle Multiplexed
PCI IO
O
PCI
O
PCI
IN , V 4
PMR[14] = 0 and
PCI IO
)
O
4
PMR[22] = 0
PCI
IN , 4
PMR[14] = 1 and
PCI
)
O
4
PMR[22] = 1
PCI
IN , V PMR[19] = 0
AB IO
)
O
8/8
IN , V PMR[19] = 1
AB IO
)
OD
8
--- --- ---
--- --- ---
IN , V Cycle Multiplexed
PCI IO
O
PCI
O
PCI
IN , V Cycle Multiplexed
PCI IO
O
PCI
O
PCI
IN , V Cycle Multiplexed
PCI IO
O
PCI
O
PCI
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Ball I/O
No. Signal Name (PU/PD)
N29 GPIO12 I/O
(PU
22.5
AB2C I/O
(PU
22.5
N30 AB1D I/O
(PU
22.5
GPIO1 I/O
(PU
22.5
IOCS1# O
N31 AB1C I/O
(PU
22.5
GPIO20 I/O
(PU
22.5
DOCCS# O
P1 AD4 I/O
A4 O
P2 IDE_CS1# O
TFTDE O
P3 AD1 I/O
A1 O
P4 V PWR
CORE
P13 V PWR
CORE
P14 V PWR
CORE
P15 V GND
SS
P16 V GND
SS
P17 V GND
SS
P18 V PWR
CORE
P19 V PWR
CORE
P28 V PWR
CORE
P29 SDATA_OUT O
TFT_PRSNT I
(PD
100
P30 SYNC O
CLKSEL3 I
(PD
100
P31 AC97_CLK O
R1 V GND
SS
R2 V GND
SS
R3 V GND
SS
R4 V GND
SS
R13 V GND
SS
R14 V GND
SS
R15 V GND
SS
R16 V GND
SS
AMD Geode™ SC3200 Processor Data Book
Signal Definitions
1
Buffer Power
Type Rail Configuration
IN , V PMR[19] = 0
AB IO
)
O
8/8
IN , PMR[19] = 1
AB
)
OD
8
IN , V 3
PMR[23] = 0
AB IO
)
OD
8
IN , 3
PMR[23] = 1 and
T
)
O
PMR[13] = 0
3/5
O 3
PMR[23] = 1 and
3/5
PMR[13] = 1
IN , V 3
PMR[23] = 0
AB IO
)
OD
8
IN , 3
PMR[23] = 1 and
T
)
O
PMR[7] = 0
3/5
O 3
PMR[23] = 1 and
3/5
PMR[7] = 1
IN , V Cycle Multiplexed
PCI IO
O
PCI
O
PCI
O V PMR[24] = 0
1/4 IO
O PMR[24] = 1
1/4
IN , V Cycle Multiplexed
PCI IO
O
PCI
O
PCI
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O V ---
AC97 IO
IN V Strap (See Table 3-
STRP IO
) 4 on page 44.)
O V ---
AC97 IO
IN Strap (See Table 3-
STRP
) 4 on page 44.)
O V PMR[25] = 1
2/5 IO
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