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46 AMD Geode™ SC1200/SC1201 Processor Data Book
Signal Definitions
32579B
GPIO ACCESS.bus
N29 GPIO12 PMR[19] = 0 AB2C PMR[19] = 1
M29 GPIO13 AB2D
GPIO UART
AG1 GPIO18 PMR[16] = 0 DTR1#/BOUT1 PMR[16] = 1
Infrared UART
C11 IRTX PMR[6] = 0 SOUT3 PMR[6] = 1
AK8 IRRX1 SIN3
GPIO LPC
M28 GPIO32 PMR[14] = 0 and PMR[22] =
0
LAD0 PMR[14] = 1 and PMR[22] =
1
L31 GPIO33 LAD1
L30 GPIO34 LAD2
L29 GPIO35 LAD3
L28 GPIO36 LDRQ#
K31 GPIO37 LFRAME#
K28 GPIO38/IRRX2 LPCPD#
J31 GPIO39 SERIRQ
UART Internal Test
E28 SIN2 PMR[28] = 0 SDTEST3 PMR[28] = 1
AC97 FPCI Monitoring
U29 AC97_RST# FPCI_MON = 0 F_STOP# FPCI_MON = 1
U31 SDATA_IN F_GNT0#
U30 BIT_CLK F_TRDY#
Internal Test Internal Test
AG4 PLL6B PMR[29] = 0 TEST1 PMR[29] = 1
AJ1 PLL5B TEST2
AH3 PLL2B TEST0
Table 3-5. Two-Signal/Group Multiplexing (Continued)
Ball No.
Default Alternate
Signal Configuration Signal Configuration