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Intel® PXA255 Processor Developer’s Manual 2-29
System Architecture
0x40E0_0008 GPLR2 GPIO Pin-Level Register GPIO<80:64>
0x40E0_000C GPDR0 GPIO Pin Direction Register GPIO<31:0>
0x40E0_0010 GPDR1 GPIO Pin Direction Register GPIO<63:32>
0x40E0_0014 GPDR2 GPIO Pin Direction Register GPIO<80:64>
0x40E0_0018 GPSR0 GPIO Pin Direction Register GPIO<31:0>
0x40E0_001C GPSR1 GPIO Pin Output Set Register GPIO<63:32>
0x40E0_0020 GPSR2 GPIO Pin Output Set Register GPIO<80:64>
0x40E0_0024 GPCR0 GPIO Pin Output Clear Register GPIO<31:0>
0x40E0_0028 GPCR1 GPIO Pin Output Clear Register GPIO <63:32>
0x40E0_002C GPCR2 GPIO Pin Output Clear Register GPIO <80:64>
0x40E0_0030 GRER0 GPIO Rising-Edge Detect Register GPIO<31:0>
0x40E0_0034 GRER1 GPIO Rising-Edge Detect Register GPIO<63:32>
0x40E0_0038 GRER2 GPIO Rising-Edge Detect Register GPIO<80:64>
0x40E0_003C GFER0 GPIO Falling-Edge Detect Register GPIO<31:0>
0x40E0_0040 GFER1 GPIO Falling-Edge Detect Register GPIO<63:32>
0x40E0_0044 GFER2 GPIO Falling-Edge Detect Register GPIO<80:64>
0x40E0_0048 GEDR0 GPIO Edge Detect Status Register GPIO<31:0>
0x40E0_004C GEDR1 GPIO Edge Detect Status Register GPIO<63:32>
0x40E0_0050 GEDR2 GPIO Edge Detect Status Register GPIO<80:64>
0x40E0_0054 GAFR0_L GPIO Alternate Function Select Register GPIO<15:0>
0x40E0_0058 GAFR0_U GPIO Alternate Function Select Register GPIO<31:16>
0x40E0_005C GAFR1_L GPIO Alternate Function Select Register GPIO<47:32>
0x40E0_0060 GAFR1_U GPIO Alternate Function Select Register GPIO<63:48>
0x40E0_0064 GAFR2_L GPIO Alternate Function Select Register GPIO<79:64>
0x40E0_0068 GAFR2_U GPIO Alternate Function Select Register GPIO 80
Power
Manager and
Reset
Control
0x40F0_0000
0x40F0_0000 PMCR Power Manager Control Register
0x40F0_0004 PSSR Power Manager Sleep Status Register
0x40F0_0008 PSPR Power Manager Scratch Pad Register
0x40F0_000C PWER Power Manager Wake-up Enable Register
0x40F0_0010 PRER Power Manager GPIO Rising-Edge Detect Enable Register
0x40F0_0014 PFER Power Manager GPIO Falling-Edge Detect Enable Register
0x40F0_0018 PEDR Power Manager GPIO Edge Detect Status Register
0x40F0_001C PCFR Power Manager General Configuration Register
0x40F0_0020 PGSR0 Power Manager GPIO Sleep State Register for GP[31-0]
0x40F0_0024 PGSR1 Power Manager GPIO Sleep State Register for GP[63-32]
0x40F0_0028 PGSR2 Power Manager GPIO Sleep State Register for GP[84-64]
0x40F0_002C — Reserved
Table 2-8. System Architecture Register Address Summary (Sheet 9 of 12)
Unit Address Register Symbol Register Description