AMD Geode SC1201 User Manual

Page 34

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34

AMD Geode™ SC1200/SC1201 Processor Data Book

Signal Definitions

32579B

J2

C/BE1#

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

D9

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

J3

AD15

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A15

O

O

PCI

J4

PAR

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

D12

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

J28

VPD2

I

IN

T

V

IO

---

J29

VPD1

I

IN

T

V

IO

---

J30

VPD0

I

IN

T

V

IO

---

J31

GPIO39

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

PMR[14]

4

= 0 and

PMR[22]

4

= 0

SERIRQ I/O

IN

PCI

,

O

PCI

PMR[14]

4

= 1 and

PMR[22]

4

= 1

K1

AD11

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A11

O

O

PCI

K2

V

IO

PWR

---

---

---

K3

V

SS

GND

---

---

---

K4

AD14

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A14

O

O

PCI

K28

GPIO38/IRRX2

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

PMR[14]

4

= 0 and

PMR[22]

4

= 0. The

IRRX2 input is con-
nected to the input
path of GPIO38.
There is no logic
required to enable
IRRX2, just a sim-
ple connection.
Hence, when
GPIO38 is the
selected function,
IRRX2 is also
selected.

LPCPD#

O

O

PCI

PMR[14]

4

= 1 and

PMR[22]

4

= 1

K29

V

IO

PWR

---

---

---

K30

V

SS

GND

---

---

---

K31

GPIO37

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

PMR[14]

4

= 0 and

PMR[22]

4

= 0

LFRAME#

O

O

PCI

PMR[14]

4

= 1 and

PMR[22]

4

= 1

L1

C/BE0#

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

D8

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

L2

AD9

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A9

O

O

PCI

Ball
No.

Signal Name

I/O

(PU/PD)

Buffer

1

Type

Power

Rail

Configuration

L3

AD10

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A10

O

O

PCI

L4

AD12

I/O

IN

PCI

,

O

PCI

V

IO

Cycle Multiplexed

A12

O

O

PCI

L28

GPIO36

I/O

(PU

22.5

)

IN

PCI

,

O

PCI

V

IO

PMR[14]

4

= 0 and

PMR[22]

4

= 0

LDRQ#

I

IN

PCI

PMR[14]

4

= 1 and

PMR[22]

4

= 1

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

---

---

---

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)

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