Table 3-7. Four-Signal/Group Multiplexing - AMD Geode SC3200 Data Book

32581C
Default
Ball
No.
Signal Configuration
GPIO
C30 GPIO7 PMR[17] = 0
and
C31 GPIO8
PMR[8] = 0
D28 GPIO6 PMR[18] = 0
and
C28 GPIO9
PMR[8] = 0
B29 GPIO10
48

Table 3-7. Four-Signal/Group Multiplexing

Alternate1
Signal Configuration
UART2
RTS2# PMR[17] = 1
and
CTS2#
PMR[8] = 0
DTR2#/BOUT2 PMR[18] = 1
and
DCD2#
PMR[8] = 0
DSR2#
Alternate2
Signal Configuration
IDE2
IDE_DACK1# PMR[17] = 0
and
IDE_DREQ1
PMR[8] = 1
IDE_IOR1# PMR[18] = 0
and
IDE_IOW1#
PMR[8] = 1
IDE_IORDY1
AMD Geode™ SC3200 Processor Data Book
Signal Definitions
Alternate3
Signal Configuration
Internal Test
SDTEST0 PMR[17] = 1
and
SDTEST4
PMR[8] = 1
SDTEST5 PMR[18] = 1
and
SDTEST2
PMR[8] = 1
SDTEST1