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AMD Geode™ SC3200 Processor Data Book 33
Signal Definitions
32581C
F29 TDI I
(PU
22.5
)
IN
PCI
V
IO
---
F30 GTEST I
(PD
22.5
)
IN
T
V
IO
---
F31 VPCKIN I IN
T
V
IO
---
G1 STOP# I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D15 I/O
(PU
22.5
)
IN
PCI
,
O
PCI
G2 V
SS
GND --- --- ---
G3 V
IO
PWR --- --- ---
G4 V
SS
GND --- --- ---
G28 V
SS
GND --- --- ---
G29 V
IO
PWR --- --- ---
G30 V
SS
GND --- --- ---
G31 VPD7 I IN
T
V
IO
---
H1 SERR# I/O
(PU
22.5
)
IN
PCI
,
OD
PCI
V
IO
---
H2 PERR# I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
---
H3 LOCK# I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
---
H4 C/BE3# I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D11 I/O
(PU
22.5
)
IN
PCI
,
O
PCI
H28 VPD6 I IN
T
V
IO
---
H29 VPD5 I IN
T
V
IO
---
H30 VPD4 I IN
T
V
IO
---
H31 VPD3 I IN
T
V
IO
---
J1 AD13 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A13 O O
PCI
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
---
Ball
No. Signal Name
I/O
(PU/PD)
Buffer
1
Type
Power
Rail Configuration
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
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
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)