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AMD Geode SC3200 User Manual

Page 34

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34

AMD Geode™ SC3200 Processor Data Book

Signal Definitions

32581C

L29

GPIO35

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

PMR[14]

4

= 0 and

PMR[22]

4

= 0

LAD3

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

PMR[14]

4

= 1 and

PMR[22]

4

= 1

L30

GPIO34

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

PMR[14]

4

= 0 and

PMR[22]

4

= 0

LAD2

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

PMR[14]

4

= 1 and

PMR[22]

4

= 1

L31

GPIO33

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

PMR[14]

4

= 0 and

PMR[22]

4

= 0

LAD1

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

PMR[14]

4

= 1 and

PMR[22]

4

= 1

M1

V

SS

GND

---

---

---

M2

AD7

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A7

O

O

PCI

M3

V

IO

PWR

---

---

---

M4

AD8

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A8

O

O

PCI

M28

GPIO32

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

PMR[14]

4

= 0 and

PMR[22]

4

= 0

LAD0 I/O

(PU

22.5

)

IN

PCI

,

O

PCI

PMR[14]

4

= 1 and

PMR[22]

4

= 1

M29

GPIO13

I/O

(PU

22.5

)

IN

AB

,

O

8/8

V

IO

PMR[19] = 0

AB2D

I/O

(PU

22.5

)

IN

AB

,

OD

8

V

IO

PMR[19] = 1

M30

V

IO

PWR

---

---

---

M31

V

SS

GND

---

---

---

N1

AD3

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A3

O

O

PCI

N2

AD6

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A6

O

O

PCI

N3

AD5

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A5

O

O

PCI

N4

V

SS

GND

---

---

---

N13

V

CORE

PWR

---

---

---

N14

V

CORE

PWR

---

---

---

N15

V

SS

GND

---

---

---

N16

V

SS

GND

---

---

---

N17

V

SS

GND

---

---

---

N18

V

CORE

PWR

---

---

---

N19

V

CORE

PWR

---

---

---

N28

V

SS

GND

---

---

---

Ball
No.

Signal Name

I/O

(PU/PD)

Buffer

1

Type

Power

Rail

Configuration

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

GPIO1

I/O

(PU

22.5

)

IN

T

,

O

3/5

PMR[23]

3

= 1 and

PMR[13] = 0

IOCS1#

O

O

3/5

PMR[23]

3

= 1 and

PMR[13] = 1

N31

AB1C

I/O

(PU

22.5

)

IN

AB

,

OD

8

V

IO

PMR[23]

3

= 0

GPIO20

I/O

(PU

22.5

)

IN

T

,

O

3/5

PMR[23]

3

= 1 and

PMR[7] = 0

DOCCS#

O

O

3/5

PMR[23]

3

= 1 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

---

---

---

R3

V

SS

GND

---

---

---

R4

V

SS

GND

---

---

---

R13

V

SS

GND

---

---

---

R14

V

SS

GND

---

---

---

R15

V

SS

GND

---

---

---

R16

V

SS

GND

---

---

---

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)