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Table 3.1 summarizes the IEC registers in base offset order.
Table 3.1. Summary of registers
| Name | Base offset | Type | Reset nPOR | Description |
|---|---|---|---|---|
| IECDPCCR | 0x000 | R/W | 0x1 | See DPC Control Register |
| IECDVSEMSTR | 0x004 | R/W | 0x63 | See DVS Emulation Slot Time Register |
| IECDPCTGTPERF | 0x008 | WO | 0x80 | See DPC Target Performance Register |
| IECDPCCRNTPERF | 0x00C | RO | System dependent | See DPC Current Performance Register |
| IECIMSC | 0x010 | R/W | 0x3 | See Interrupt Mask Set and Clear Register |
| IECRIS | 0x014 | RO | 0x0 | See Raw Interrupt Status Register |
| IECMIS | 0x018 | RO | 0x0 | See Masked Interrupt Status Register |
| IECICR | 0x01C | WO | 0x0 | See Interrupt Clear Register |
| IECCFGCPUFREQ | 0x020 | RO | System dependent | See Configured CPU Frequency Register |
| IECDPMFREQ | 0x024 | RO | System dependent | See DPM Frequency Register |
| IECCFGDCGIDXMAP00 | 0x040 | RO | System dependent | See Configuration Fractional Index Map 00 Register |
| IECCFGDCGIDXMAP32 | 0x044 | RO | System dependent | See Configuration Fractional Index Map 32 Register |
| IECCFGDCGIDXMAP64 | 0x048 | RO | System dependent | See Configuration Fractional Index Map 64 Register |
| IECCFGDVCIDXMAP | 0x04C | RO | System dependent | See Configuration DVC Index Map Register |
0x050-0x05C | - | - | Reserved. read undefined, do not modify | |
| IECCFGDCGPERFMAP0 | 0x060 | RO | System dependent | See Configuration Performance Map 0 Register |
| IECCFGDCGPERFMAP4 | 0x064 | RO | System dependent | See Configuration Performance Map 4 Register |
0x068-0x0FF | - | System dependent | Reserved. read undefined, do not modify | |
| IECDPMCR | 0x100 | R/W | 0x000 | See DPM Command Register |
0x104 | - | - | Reserved. read undefined, do not modify | |
| IECDPM2RATE | 0x108 | R/W | 0x80 | See DPM Channel 2 Rate Register. |
| IECDPM3RATE | 0x10C | R/W | 0x80 | See DPM Channel 3 Rate Register |
0x110-0x17F | - | - | Reserved, read undefined, do not modify | |
| IECDPMILO | 0x180 | RO | 0x00000000 | See DPM Channel 1 Low Register |
| IECDPM1H1 | 0x184 | RO | 0x00000000 | See DPM Channel 1 High Register |
| IECDPM2LO | 0x188 | RO | 0x00000000 | See DPM Channel 2 Low Register |
| IECDPM2HI | 0x18C | RO | 0x00000000 | See DPM Channel 2 High Register |
| IECDPM3LO | 0x190 | RO | 0x00000000 | See DPM Channel 3 Low Register |
| IECDPM3HI | 0x194 | RO | 0x00000000 | See DPM Channel 3 High Register |
0x198-0xEFF | - | - | Reserved, read undefined, do not modify | |
| Integration Test Registers | 0xF00-0xF28 | See Test registers | ||
0xF2C-0xFC8 | - | - | Reserved, read undefined, do not modify | |
| IECPeriphID4 | 0xFD0 | RO | 0x03 | See Peripheral Identification Register 4 |
| IECPeriphID5 | 0xFD4 | RO | 0x08 | See Peripheral Identification Register 5 |
| IECPeriphID6 | 0xFD8 | RO | Reserved | See Peripheral Identification Register 6 |
| IECPeriphID7 | 0xFDC | RO | Reserved | See Peripheral Identification Register 7 |
| IECPeriphID0 | 0xFE0 | RO | 0x50 | See Peripheral Identification Register 0 |
| IECPeriphID1 | 0xFE4 | RO | 0x17 | See Peripheral Identification Register 1 |
| IECPeriphID2 | 0xFE8 | RO | 0x14 | See Peripheral Identification Register 2 |
| IECPeriphID3 | 0xFEC | RO | 0x08 | See Peripheral Identification Register 3 |
| IECID0 | 0xFF0 | RO | 0x0D | See IEC Identification Register 0 |
| IECID1 | 0xFF4 | RO | 0xF0 | See IEC Identification Register 1 |
| IECID2 | 0xFF8 | RO | 0x05 | See IEC Identification Register 2 |
| IECID3 | 0xFFC | RO | 0xB1 | See IEC Identification Register 3 |