
AMD Geode SC1200/SC1201 Processor Data Book
49
Signal Definitions
Revision 7.1
AFD#/DSTRB#
O
O14/14
VIO
(PMR[27] = 0 and
FPCI_MON = 0)
TFTD2
O
O1/4
PMR[15] = 0 and
(PMR[27] = 0 and
FPCI_MON = 0)
VOPD1
O
O1/4
PMR[15] = 1) and
(PMR[27] = 0 and
FPCI_MON = 0)
INTR_O
O
O14/14
(PMR[27] = 1 or
FPCI_MON = 1)
D23
AVCCTV
PWR
---
D24
CVBS
O
WIRE
AVCCTV See F4BAR0+
Memory Offset
C08h[4:3] bit
description on
Cr
O
TVB
O
D25
VSS
GND
---
D26
INTA#
I
(PU22.5)
INPCI
VIO
---
D27
AVCCUSB
PWR
---
D28
GPIO6
I/O
(PU22.5)
INTS,
O1/4
VIO
PMR[18] = 0 and
PMR[8] = 0
DTR2#/BOUT2
O
(PU22.5)
O1/4
PMR[18] = 1 and
PMR[8] = 0
IDE_IOR1#
O
(PU22.5)
O1/4
PMR[18] = 0 and
PMR[8] = 1
SDTEST5
O
(PU22.5)
O2/5
PMR[18] = 1 and
PMR[8] = 1
D29
SOUT2
O
O8/8
VIO
---
CLKSEL2
I
(PD100)
INSTRP
D30
TDP
I/O
Diode
---
D31
TDN
I/O
WIRE
VIO
---
E1
AD16
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A16
O
OPCI
E2
AD19
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A19
O
OPCI
E3
AD18
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A18
O
OPCI
E4
DEVSEL#
I/O
(PU22.5)
INPCI,
OPCI
VIO
Cycle Multiplexed
BHE#
O
OPCI
E28
SIN2
I
INTS
VIO
PMR[28] = 0
SDTEST3
O
O2/5
PMR[28] = 1
E29
TRST#
I
(PU22.5)
INPCI
VIO
---
E30
TDO
O
OPCI
VIO
---
E31
TCK
I
(PU22.5)
INPCI
VIO
---
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration
F1
TRDY#
I/O
(PU22.5)
INPCI,
OPCI
VIO
Cycle Multiplexed
D13
I/O
(PU22.5)
INPCI,
OPCI
F2
IRDY#
I/O
(PU22.5)
INPCI,
OPCI
VIO
Cycle Multiplexed
D14
I/O
(PU22.5)
INPCI,
OPCI
F3
C/BE2#
I/O
(PU22.5)
INPCI,
OPCI
VIO
Cycle Multiplexed
D10
I/O
(PU22.5)
INPCI,
OPCI
F4
AD17
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A17
O
OPCI
F28
TMS
I
(PU22.5)
INPCI
VIO
---
F29
TDI
I
(PU22.5)
INPCI
VIO
---
F30
GTEST
I
(PD22.5)
INT
VIO
---
F31
VPCKIN
I
INT
VIO
---
G1
STOP#
I/O
(PU22.5)
INPCI,
OPCI
VIO
Cycle Multiplexed
D15
I/O
(PU22.5)
INPCI,
OPCI
G2
VSS
GND
---
G3
VIO
PWR
---
G4
VSS
GND
---
G28
VSS
GND
---
G29
VIO
PWR
---
G30
VSS
GND
---
G31
VPD7
I
INT
VIO
---
H1
SERR#
I/O
(PU22.5)
INPCI,
ODPCI
VIO
---
H2
PERR#
I/O
(PU22.5)
INPCI,
OPCI
VIO
---
H3
LOCK#
I/O
(PU22.5)
INPCI,
OPCI
VIO
---
H4
C/BE3#
I/O
(PU22.5)
INPCI,
OPCI
VIO
Cycle Multiplexed
D11
I/O
(PU22.5)
INPCI,
OPCI
H28
VPD6
I
INT
VIO
---
H29
VPD5
I
INT
VIO
---
H30
VPD4
I
INT
VIO
---
H31
VPD3
I
INT
VIO
---
J1
AD13
I/O
INPCI,
OPCI
VIO
Cycle Multiplexed
A13
O
OPCI
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration