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AMD Geode™ SC2200 Processor Data Book 33
Signal Definitions
32580B
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
---
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
Ball
No. Signal Name
I/O
(PU/PD)
Buffer
1
Type
Power
Rail Configuration
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 connected to
the input path of
GPIO38. There is
no logic required
to enable IRRX2,
just a simple con-
nection. Hence,
when GPIO38 is
the selected func-
tion, 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
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 --- --- ---
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)