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32 AMD Geode™ SC2200 Processor Data Book
Signal Definitions
32580B
D13 V
SS
GND --- --- ---
D14 V
IO
PWR --- --- ---
D15 AV
CCCRT
PWR --- --- ---
D16 VREF I/O WIRE AV
C-
CCRT
---
D17
6, 2
PE I
(PU
22.5
PD
22.5
)
IN
T
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
(PU/PD under
software control.)
TFTD14 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0)
F_C/BE2# O O
1/4
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
D18 V
IO
PWR --- --- ---
D19 V
SS
GND --- --- ---
D20
6,
2
PD2 I/O IN
T
,
O
14/14
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD8 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0)
F_AD2 O O
14/14
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
D21
6, 2
ERR# I IN
T
, O
1/4
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD4 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0)
F_C/BE0# O O
1/4
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
D22
6, 2
AFD#/DSTRB# O O
14/14
V
IO
PMR[23]
3
= 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD2 O O
1/4
PMR[23]
3
= 1 and
(PMR[27] = 0 and
FPCI_MON = 0)
INTR_O O O
14/14
PMR[23]
3
= 0 and
(PMR[27] = 1 or
FPCI_MON = 1)
D23 V
IO
PWR --- --- ---
D24 NC --- --- --- ---
D25 V
SS
GND --- --- ---
D26 INTA# I
(PU
22.5
)
IN
PCI
V
IO
---
D27 AV
CCUSB
PWR --- --- ---
D28 GPIO6 I/O
(PU
22.5
)
IN
TS
, O
1/4
V
IO
PMR[18] = 0 and
PMR[8] = 0
DTR2#/BOUT2 O
(PU
22.5
)
O
1/4
PMR[18] = 1 and
PMR[8] = 0
IDE_IOR1# O
(PU
22.5
)
O
1/4
PMR[18] = 0 and
PMR[8] = 1
SDTEST5 O
(PU
22.5
)
O
2/5
PMR[18] = 1 and
PMR[8] = 1
Ball
No. Signal Name
I/O
(PU/PD)
Buffer
1
Type
Power
Rail Configuration
D29 SOUT2 O O
8/8
V
IO
---
CLKSEL2 I
(PD
100
)
IN
STRP
Strap (See Table
3-4 on page 45.)
D30 TDP I/O Diode --- ---
D31 TDN I/O WIRE V
IO
---
E1 AD16 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A16 O O
PCI
E2 AD19 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A19 O O
PCI
E3 AD18 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A18 O O
PCI
E4 DEVSEL# I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
BHE# O O
PCI
E28 SIN2 I IN
TS
V
IO
PMR[28] = 0
SDTEST3 O O
2/5
PMR[28] = 1
E29 TRST# I
(PU
22.5
)
IN
PCI
V
IO
---
E30 TDO O O
PCI
V
IO
---
E31 TCK I
(PU
22.5
)
IN
PCI
V
IO
---
F1 TRDY# I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D13 I/O
(PU
22.5
)
IN
PCI
,
O
PCI
F2 IRDY# I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D14 I/O
(PU
22.5
)
IN
PCI
,
O
PCI
F3 C/BE2# I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D10 I/O
(PU
22.5
)
IN
PCI
,
O
PCI
F4 AD17 I/O IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A17 O O
PCI
F28 TMS I
(PU
22.5
)
IN
PCI
V
IO
---
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 --- --- ---
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)