AMD Geode SC1201 User Manual
Page 32

32
AMD Geode™ SC1200/SC1201 Processor Data Book
Signal Definitions
32579B
C30
GPIO7
I/O
(PU
22.5
)
IN
TS
,
O
1/4
V
IO
PMR[17] = 0 and
PMR[8] = 0
RTS2#
O
(PU
22.5
)
O
1/4
PMR[17] = 1 and
PMR[8] = 0
IDE_DACK1#
O
(PU
22.5
)
O
1/4
PMR[17] = 0 and
PMR[8] = 1
SDTEST0 O
(PU
22.5
)
O
2/5
PMR[17] = 1 and
PMR[8] = 1
C31
GPIO8
I/O
(PU
22.5
)
IN
TS
,
O
8/8
V
IO
PMR[17] = 0 and
PMR[8] = 0
CTS2#
I
(PU
22.5
)
IN
TS
PMR[17] = 1 and
PMR[8] = 0
IDE_DREQ1
I
(PU
22.5
)
IN
TS1
PMR[17] = 0 and
PMR[8] = 1
SDTEST4 O
(PU
22.5
)
O
2/5
PMR[17] = 1 and
PMR[8] = 1
D1
AD21
I/O
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A21
O
O
PCI
D2
AD22
I/O
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A22
O
O
PCI
D3
AD20
I/O
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
A20
O
O
PCI
D4
AD27
I/O
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D3
I/O
IN
PCI
,
O
PCI
D5
AD31
I/O
IN
PCI
,
O
PCI
V
IO
Cycle Multiplexed
D7
I/O
IN
PCI
,
O
PCI
D6
PCICLK1
O
O
PCI
V
IO
---
LPC_ROM
I
(PD
100
)
IN
STRP
Strap (See Table 3-
4 on page 44.)
D7
V
SS
GND
---
---
---
D8
FRAME#
I/O
(PU
22.5
)
IN
PCI
,
O
PCI
V
IO
---
D9
IOR#
O
O
3/5
V
IO
PMR[21] = 0 and
PMR[2] = 0
DOCR#
O
O
3/5
PMR[21] = 0 and
PMR[2] = 1
GPIO14
I/O
(PU
22.5
)
IN
TS
,
O
3/5
PMR[21] = 1 and
PMR[2] = 1
D10
GPIO1
I/O
(PU
22.5
)
IN
T
, O
3/5
V
IO
(PMR[23]
3
= 0 and
PMR[13] = 0) or
(PMR[23]
3
= 1 and
PMR[15] = 1 and
PMR[13] = 0)
IOCS1#
O
(PU
22.5
)
O
3/5
V
IO
(PMR[23]
3
= 0 and
PMR[13] = 1) or
(PMR[23]
3
= 1 and
PMR[15] = 1 and
PMR[13] = 1)
TFTD12
O
(PU
22.5
)
O
1/4
V
IO
PMR[23]
3
= 1 and
PMR[15] = 0
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer
1
Type
Power
Rail
Configuration
D11
TRDE#
O
O
3/5
V
IO
PMR[12] = 0
GPIO0
I/O
(PU
22.5
)
IN
TS
,
O
3/5
V
IO
PMR[12] = 1
D12
V
CCCRT
PWR
---
---
---
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 soft-
ware 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[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD7
O
O
1/4
(PMR[23]
3
= 1 and
PMR[15] = 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[15] = 0) and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD3
O
O
1/4
(PMR[23]
3
= 1 and
PMR[15] = 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)
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)