
AMD Geode SC1200/SC1201 Processor Data Book
53
Signal Definitions
Revision 7.1
AB4
IDE_DATA3
I/O
INTS1,
TS1/4
VIO
PMR[24] = 0
TFTD12
O
O1/4
PMR[24] = 1
MD24
I/O
INT,
TS2/5
VIO
---
AB29
VIO
PWR
---
AB30
VSS
GND
---
AB31
DQM7
O
O2/5
VIO
---
AC1
IDE_DATA1
I/O
INTS1,
TS1/4
VIO
PMR[24] = 0
TFTD16
O
O1/4
PMR[24] = 1
AC2
IDE_DATA2
I/O
INTS1,
TS1/4
VIO
PMR[24] = 0
TFTD14
O
O1/4
PMR[24] = 1
AC3
IDE_DATA0
I/O
INTS1,
TS1/4
VIO
PMR[24] = 0
TFTD6
O
O1/4
PMR[24] = 1
AC4
IDE_DREQ0
I
INTS1
VIO
PMR[24] = 0
TFTD8
O
O1/4
PMR[24] = 1
MD25
I/O
INT,
TS2/5
VIO
---
MD26
I/O
INT,
TS2/5
VIO
---
MD27
I/O
INT,
TS2/5
VIO
---
AC31
DQM3
O
O2/5
VIO
---
AD1
IDE_IORDY0
I
INTS1
VIO
PMR[24] = 0
TFTD11
O
O1/4
PMR[24] = 1
AD2
IDE_IOW0#
O
O1/4
VIO
PMR[24] = 0
TFTD9
O
O1/4
PMR[24] = 1
AD3
IDE_ADDR0
O
O1/4
VIO
PMR[24] = 0
TFTD3
O
O1/4
PMR[24] = 1
AD4
IDE_DACK0#
O
O1/4
VIO
PMR[24] = 0
TFTD0
O
O1/4
PMR[24] = 1
MD52
I/O
INT,
TS2/5
VIO
---
MD29
I/O
INT,
TS2/5
VIO
---
MD30
I/O
INT,
TS2/5
VIO
---
MD31
I/O
INT,
TS2/5
VIO
---
AE1
IDE_ADDR1
O
O1/4
VIO
PMR[24] = 0
TFTD2
O
O1/4
PMR[24] = 1
AE2
VSS
GND
---
AE3
VIO
PWR
---
AE4
VSS
GND
---
AE28
VSS
GND
---
AE29
VIO
PWR
---
AE30
VSS
GND
---
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration
MD28
I/O
INT,
TS2/5
VIO
---
AF1
IRQ14
I
INTS1
VIO
PMR[24] = 0
TFTD1
O
O1/4
PMR[24] = 1
AF2
IDE_CS0#
O
O1/4
VIO
PMR[24] = 0
TFTD5
O
O1/4
PMR[24] = 1
AF3
SOUT1
O
O8/8
VIO
---
CLKSEL1
I
(PD100)
INSTRP
AF4
OVER_CUR#
I
INTS
VIO
---
MD50
I/O
INT,
TS2/5
VIO
---
MD49
I/O
INT,
TS2/5
VIO
---
MD54
I/O
INT,
TS2/5
VIO
---
MD53
I/O
INT,
TS2/5
VIO
---
AG1
GPIO18
I/O
(PU22.5)
INTS,
O8/8
VIO
PMR[16] = 0
DTR1#/BOUT1
O
(PU22.5)
O8/8
PMR[16] =1
AG2
SIN1
I
INTS
VIO
---
AG3
X27I
I
WIRE
VIO
---
AG4
TEST1
O
O2/5
VIO
PMR[29] = 1
PLL6B
I/O
INTS,
TS2/5
PMR[29] = 0
MD21
I/O
INT,
TS2/5
VIO
---
AG29
DQM6
O
O2/5
VIO
---
AG30
DQM2
O
O2/5
VIO
---
MD55
I/O
INT,
TS2/5
VIO
---
AH1
POWER_EN
O
O1/4
VIO
---
AH2
X27O
O
WIRE
VIO
---
AH3
TEST0
O
O2/5
VIO
PMR[29] = 1
PLL2B
I/O
INT,
TS2/5
PMR[29] = 0
AH4
VIO
PWR
---
AH5
PWRBTN#
I
(PU100)
INBTN
VSB
---
AH6
GPWIO0
I/O
(PU100)
INTS,
TS2/14
VSB
---
AH7
VSS
GND
---
AH8
CLK32
O
O2/5
VSB
---
AH9
POR#
I
INTS
VIO
---
MD3
I/O
INT,
TS2/5
VIO
---
MD5
I/O
INT,
TS2/5
VIO
---
AH12
WEA#
O
O2/5
VIO
---
AH13
VSS
GND
---
Ball
No.
Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail
Configuration