7.3 Register Map
| Address | Name | Bit 7 | Bit 6 | Bit 5 | Bit 4 | Bit 3 | Bit 2 | Bit 1 | Bit 0 |
|---|---|---|---|---|---|---|---|---|---|
| (0x1FF) | Reserved | — | — | — | — | — | — | — | — |
| — | Reserved | — | — | — | — | — | — | — | — |
| (0x160) | Reserved | — | — | — | — | — | — | — | — |
| (0x15F) | RSCOM | — | — | — | — | — | — | RSIFC | RSDC |
| (0x15E) | RSHDV | RSHDV[7:0] | |||||||
| (0x15D) | RSLDV | RSLDV[7:0] | |||||||
| (0x15C) | RSIFG | RSIFG[7:0] | |||||||
| (0x15B) | Reserved | — | — | — | — | — | — | — | — |
| (0x15A) | Reserved | — | — | — | — | — | — | — | — |
| (0x159) | EECR2 | — | — | — | — | — | — | — | EEBRE |
| (0x158) | SFIR | STIE | TIL[2:0] | SRIE | RIL[2:0] | ||||
| (0x157) | SFFR | TFC | TFL[2:0] | RFC | RFL[2:0] | ||||
| (0x156) | DBGSW | DBGSE | CPBF | CPBFOS[1:0] | DBGGS[3:0] | ||||
| (0x155) | DBENC | — | — | DBENC5 | DBENC4 | DBENC3 | DBENC2 | DBENC1 | DBENC0 |
| (0x154) | DBENB | DBENB7 | DBENB6 | DBENB5 | DBENB4 | DBENB3 | DBENB2 | DBENB1 | DBENB0 |
| (0x153) | DBTC | DBTC[7:0] | |||||||
| (0x152) | DBCR | — | — | — | — | DBHA | DBTMS | DBCS | DBMD |
| (0x151) | RSSC | — | RSPKF | RSHRX | RSWLH | RSUP[3:0] | |||
| (0x150) | RSSH | RSSH[7:0] | |||||||
| (0x14F) | RSSL | RSSL[7:0] | |||||||
| (0x14E) | RSSPK | RSSPK[7:0] | |||||||
| (0x14D) | RSSAV | RSSAV[7:0] | |||||||
| (0x14C) | IDS | — | — | — | — | — | — | IDFULL | IDOK |
| (0x14B) | IDC | IDCE | IDCLR | IDFIM | — | IDBO[1:0] | IDL[1:0] | ||
| (0x14A) | IDB3 | IDB3[7:0] | |||||||
| (0x149) | IDB2 | IDB2[7:0] | |||||||
| (0x148) | IDB1 | IDB1[7:0] | |||||||
| (0x147) | IDB0 | IDB0[7:0] | |||||||
| (0x146) | CRCDOR | CRCDOR[7:0] | |||||||
| (0x145) | CRCCR | — | — | — | — | — | REFLO | REFLI | CRCRS |
| (0x144) | RXDSA | RXDSA[7:0] | |||||||
| (0x143) | RXCPHA | RXCPHA[7:0] | |||||||
| (0x142) | RXCPLA | RXCPLA[7:1] | — | ||||||
| (0x141) | RXCIHA | RXCIHA[7:0] | |||||||
| (0x140) | RXCILA | RXCILA[7:0] | |||||||
| (0x13F) | RXCSBA | RXCSBA[7:0] | |||||||
| (0x13E) | RXCRHA | RXCRHA[7:0] | |||||||
| (0x13D) | RXCRLA | RXCRLA[7:0] | |||||||
| (0x13C) | RXTLHA | — | — | — | — | RXTLHA[3:0] | |||
| (0x13B) | RXTLLA | RXTLLA[7:0] | |||||||
| (0x13A) | RXDSB | RXDSB[7:0] | |||||||
| (0x139) | RXCPHB | RXCPHB[7:0] | |||||||
| (0x138) | RXCPLB | RXCPLB[7:1] | — | ||||||
| (0x137) | RXCIHB | RXCIHB[7:0] | |||||||
| (0x136) | RXCILB | RXCILB[7:0] | |||||||
| (0x135) | RXCSBB | RXCSBB[7:0] | |||||||
| (0x134) | RXCRHB | RXCRHB[7:0] | |||||||
| (0x133) | RXCRLB | RXCRLB[7:0] | |||||||
| (0x132) | RXTLHB | — | — | — | — | RXTLHB[3:0] | |||
| (0x131) | RXTLLB | RXTLLB[7.0] | |||||||
| (0x130) | RXBC2 | — | — | — | — | — | RXBCLR | RXBF | RXBPB |
| (0x12F) | RXBC1 | RXMSBB | RXCBLB[1:0] | RXCEB | RXMSBA | RXCBLA[1:0] | RXCEA | ||
| (0x12E) | TMCR1 | — | — | — | TMCIM | TMSCS | TMPIS[2:0] | ||
| (0x12D) | TMCR2 | — | TMMSB | TMSSE | TMPOL | TMNRZE | TMCRCL[1:0] | TMCRCE | |
| (0x12C) | TMSR | — | — | — | — | — | — | — | TMTCF |
| (0x12B) | TMSSC | TMSSH | TMSSL[2:0] | TMSSP[3:0] | |||||
| (0x12A) | TMTLH | — | — | — | — | TMTLH[3:0] | |||
| (0x129) | TMTLL | TMTLL[7:0] | |||||||
| (0x128) | TMSHR | TMSHR[7:0] | |||||||
| (0x127) | TMCPH | TMCPH[7:0] | |||||||
| (0x126) | TMCPL | TMCPL[7:0] | |||||||
| (0x125) | TMCIH | TMCIH[7:0] | |||||||
| (0x124) | TMCIL | TMCIL[7:0] | |||||||
| (0x123) | TMCSB | TMCSB[7:0] | |||||||
| (0x122) | TMCRH | TMCRH[7:0] | |||||||
| (0x121) | TMCRL | TMCRL[7:0] | |||||||
| (0x120) | TMFSM | — | TMMSM[2:0] | TMSSM[3:0] | |||||
| (0x11F) | Reserved | — | — | — | — | — | — | — | — |
| — | Reserved | — | — | — | — | — | — | — | — |
| (0x10F) | Reserved | — | — | — | — | — | — | — | — |
| (0x10E) | FEBIA(1) | IFAEN | — | — | — | — | — | — | — |
| (0x10D) | FEANT(1) | — | — | — | — | LVLC[3:0] | |||
| (0x10C) | FEALR(1) | — | — | — | — | — | — | RNGE[1:0] | |
| (0x10B) | FEVCO(1) | VCOB[3:0] | CPCC[3:0] | ||||||
| (0x10A) | FECR(1) | — | — | ANPS | PLCKG | ADHS | ANDP | S4N3 | LBNHB |
| (0x109) | FETN4(1) | RTN4[3:0] | CTN4[3:0] | ||||||
| (0x108) | FEMS(1) | PLLM[3:0] | PLLS[3:0] | ||||||
| (0x107) | FEBT(1) | — | — | — | — | RTN2[1:0] | CTN2[1:0] | ||
| (0x106) | FEVCT(1) | — | — | — | — | FEVCT[3:0] | |||
| (0x105) | FEPAC(1) | PACR[7:0] | |||||||
| (0x104) | FEAT(1) | — | — | — | — | ANTN[3:0] | |||
| (0x103) | FELNA(1) | LBL[3:0] | LBH[3:0] | ||||||
| (0x102) | FEEN2(1) | — | CPBIA | XTPEN | PLPEN | TMPM | PAEN | SDTX | SDRX |
| (0x101) | FEEN1(1) | ATEN | PLSP1 | ADCLK | ADEN | LNAEN | XTOEN | PLCAL | PLEN |
| (0x100) | FESR(1) | — | — | — | ANTS | PLCK | XRDY | HBSAT | LBSAT |
| (0x0FF) | SSMFCR | — | — | — | — | — | — | SSMIDSF | SSMIDSO |
| (0x0FE) | SOTTOB | SOTTOB[7:0] | |||||||
| (0x0FD) | SOTTOA | SOTTOA[7:0] | |||||||
| (0x0FC) | WCOTOB | WCOTOB[7:0] | |||||||
| (0x0FB) | WCOTOA | WCOTOA[7:0] | |||||||
| (0x0FA) | EOTC3B | EOTAFE3 | RRFEB3 | TELREB3 | TMOFEB3 | MANFEB3 | SYTFEB3 | AMPFEB3 | CARFEB3 |
| (0x0F9) | EOTC2B | EOTAFE2 | RRFEB2 | TELREB2 | TMOFEB2 | MANFEB2 | SYTFEB2 | AMPFEB2 | CARFEB2 |
| (0x0F8) | EOTC1B | EOTAFE1 | RRFEB1 | TELREB1 | TMOFEB1 | MANFEB1 | SYTFEB1 | AMPFEB1 | CARFEB1 |
| (0x0F7) | EOTC3A | EOTBFE3 | RRFEA3 | TELREA3 | TMOFEA3 | MANFEA3 | SYTFEA3 | AMPFEA3 | CARFEA3 |
| (0x0F6) | EOTC2A | EOTBFE2 | RRFEA2 | TELREA2 | TMOFEA2 | MANFEA2 | SYTFEA2 | AMPFEA2 | CARFEA2 |
| (0x0F5) | EOTC1A | EOTBFE1 | RRFEA1 | TELREA1 | TMOFEA1 | MANFEA1 | SYTFEA1 | AMPFEA1 | CARFEA1 |
| (0x0F4) | SOTC2B | WCOAOE2 | RROEB2 | SFIDEB2 | WUPEB2 | MANOEB2 | SYTOEB2 | AMPOEB2 | CAROEB2 |
| (0x0F3) | SOTC1B | WCOAOE1 | RROEB1 | SFIDEB1 | WUPEB1 | MANOEB1 | SYTOEB1 | AMPOEB1 | CAROEB1 |
| (0x0F2) | SOTC2A | WCOBOE2 | RROEA2 | SFIDEA2 | WUPEA2 | MANOEA2 | SYTOEA2 | AMPOEA2 | CAROEA2 |
| (0x0F1) | SOTC1A | WCOBOE1 | RROEA1 | SFIDEA1 | WUPEA1 | MANOEA1 | SYTOEA1 | AMPOEA1 | CAROEA1 |
| (0x0F0) | GTCR | IWUPB | DARB | GAPMB | RXTEHB | IWUPA | DARA | GAPMA | RXTEHA |
| (0x0EF) | MSMCR4 | MSMSM7[3:0] | MSMSM6[3:0] | ||||||
| (0x0EE) | MSMCR3 | MSMSM5[3:0] | MSMSM4[3:0] | ||||||
| (0x0ED) | MSMCR2 | MSMSM3[3:0] | MSMSM2[3:0] | ||||||
| (0x0EC) | MSMCR1 | MSMSM1[3:0] | MSMSM0[3:0] | ||||||
| (0x0EB) | SSMXSR | — | — | SSMSTB[5:0] | |||||
| (0x0EA) | SSMSTR | — | — | SSMSTA[5:0] | |||||
| (0x0E9) | MSMSTR | — | — | — | SSMMST[4:0] | ||||
| (0x0E8) | SSMIMR | — | — | — | — | — | — | — | SSMIM |
| (0x0E7) | SSMIFR | — | — | — | — | — | — | — | SSMIF |
| (0x0E6) | SSMSR | SSMERR | — | — | — | SSMESM[3:0] | |||
| (0x0E5) | SSMRR | — | — | — | — | — | — | SSMST | SSMR |
| (0x0E4) | SSMFBR | — | — | SSMPLDT | SSMHADT | SSMDFDT | SSMFID[2:0] | ||
| (0x0E3) | SSMRCR | SSMTMOE | SSMIDSE | SSMIFA | SSMPVS | SSMADB | SSMADA | SSMPB | SSMPA |
| (0x0E2) | SSMCR | SETRPB | SETRPA | SSMTAE | SSMPVE | SSMTPE | SSMTGE | SSMTM | SSMTX |
| (0x0E1) | SFC | SFDRA | — | — | SFFLC[4:0] | ||||
| (0x0E0) | SFI | — | — | — | — | — | — | SFERIM | SFFLIM |
| (0x0DF) | SFD | SFD[7:0] | |||||||
| (0x0DE) | SFRP | — | — | — | SFRP[4:0] | ||||
| (0x0DD) | SFWP | — | — | — | SFWP[4:0] | ||||
| (0x0DC) | SFL | SFCLR | — | — | SFFLS[4:0] | ||||
| (0x0DB) | SFS | — | — | — | — | — | SFOFL | SFUFL | SFFLRF |
| (0x0DA) | DFC | DFDRA | — | DFFLC[5:0] | |||||
| (0x0D9) | DFI | — | — | — | — | — | — | DFERIM | DFFLIM |
| (0x0D8) | DFD | DFD[7:0] | |||||||
| (0x0D7) | DFRP | — | — | DFRP[5:0] | |||||
| (0x0D6) | DFWP | — | — | DFWP[5:0] | |||||
| (0x0D5) | DFL | DFCLR | — | DFFLS[5:0] | |||||
| (0x0D4) | DFTLH | — | — | — | — | DFTLH[3:0] | |||
| (0x0D3) | DFTLL | DFTLL[7:0] | |||||||
| (0x0D2) | DFS | — | — | — | — | — | DFOFL | DFUFL | DFFLRF |
| (0x0D1) | VMCAL | — | — | — | — | — | VMCAL[2:0] | ||
| (0x0D0) | CALRDY | CALRDY[7:0] | |||||||
| (0x0CF) | SUPCA4 | DCAL[3:0] | ACAL[3:0] | ||||||
| (0x0CE) | SUPCA3 | — | DCAL[6:4] | ACAL[7:4] | |||||
| (0x0CD) | SUPCA2 | — | — | — | — | BGCAL[3:0] | |||
| (0x0CC) | SUPCA1 | PVCAL[3:0] | PVDIC | PV22 | — | — | |||
| (0x0CB) | SUPCR | — | AVDIC | AVEN | DVDIS | — | PVEN | AVCCLM | AVCCRM |
| (0x0CA) | SUPFR | — | — | — | — | — | — | AVCCLF | AVCCRF |
| (0x0C9) | CMOCR | — | — | — | — | SRCACT | FRCACT | SRCAO | FRCAO |
| (0x0C8) | CMSR | — | — | — | — | — | — | — | ECF |
| (0x0C7) | FRCCAL | — | — | FRCTC | FRCCAL[4:0] | ||||
| (0x0C6) | SRCCAL | SRCTC[1:0] | SRCCAL[5:0] | ||||||
| (0x0C5) | Reserved | — | — | — | — | — | — | — | — |
| (0x0C4) | CLKOCR | — | — | — | — | — | CLKOEN | CLKOS[1:0] | |
| (0x0C3) | CLKOD | CLKOD[7:0] | |||||||
| (0x0C2) | WUP4A | WUP4A[7:0] | |||||||
| (0x0C1) | WUP3A | WUP3A[7:0] | |||||||
| (0x0C0) | WUP2A | WUP2A[7:0] | |||||||
| (0x0BF) | WUP1A | WUP1A[7:0] | |||||||
| (0x0BE) | SFID4A | SFID4A[7:0] | |||||||
| (0x0BD) | SFID3A | SFID3A[7:0] | |||||||
| (0x0BC) | SFID2A | SFID2A[7:0] | |||||||
| (0x0BB) | SFID1A | SFID1A[7:0] | |||||||
| (0x0BA) | WUPLA | — | — | WUPLA[5:0] | |||||
| (0x0B9) | WUPTA | — | — | — | WUPTA[4:0] | ||||
| (0x0B8) | SFIDLA | — | — | SFIDLA[5:0] | |||||
| (0x0B7) | SFIDCA | SEMEA | — | — | SFIDTA[4:0] | ||||
| (0x0B6) | WUP4B | WUP4B[7:0] | |||||||
| (0x0B5) | WUP3B | WUP3B[7:0] | |||||||
| (0x0B4) | WUP2B | WUP2B[7:0] | |||||||
| (0x0B3) | WUP1B | WUP1B[7:0] | |||||||
| (0x0B2) | SFID4B | SFID4B[7:0] | |||||||
| (0x0B1) | SFID3B | SFID3B[7:0] | |||||||
| (0x0B0) | SFID2B | SFID2B[7:0] | |||||||
| (0x0AF) | SFID1B | SFID1B[7:0] | |||||||
| (0x0AE) | WUPLB | — | — | WUPLB[5:0] | |||||
| (0x0AD) | WUPTB | — | — | — | WUPTB[4:0] | ||||
| (0x0AC) | SFIDLB | — | — | SFIDLB[5:0] | |||||
| (0x0AB) | SFIDCB | SEMEB | — | — | SFIDTB[4:0] | ||||
| (0x0AA) | CHDN | — | — | ADCDN | BBDN[4:0] | ||||
| (0x0A9) | CHCR | — | — | — | — | BWM[3:0] | |||
| (0x0A8) | DMDRA | DMDNA[3:0] | DMAA[3:0] | ||||||
| (0x0A7) | DMDRB | DMDNB[3:0] | DMAB[3:0] | ||||||
| (0x0A6) | DMCRA | DMARA | SY1TA | SASKA | DMPGA[4:0] | ||||
| (0x0A5) | DMCRB | DMARB | SY1TB | SASKB | DMPGB[4:0] | ||||
| (0x0A4) | DMCDA | DMCTA[2:0] | DMCLA[4:0] | ||||||
| (0x0A3) | DMCDB | DMCTB[2:0] | DMCLB[4:0] | ||||||
| (0x0A2) | DMMA | DMNEA | DMHA | DMPA | DMATA[4:0] | ||||
| (0x0A1) | DMMB | DMNEB | DMHB | DMPB | DMATB[4:0] | ||||
| (0x0A0) | RXFOA | RXFOA[7:0] | |||||||
| (0x09F) | RXFOB | RXFOB[7:0] | |||||||
| (0x09E) | SYCA | SYTLA[3:0] | SYCSA[3:0] | ||||||
| (0x09D) | SYCB | SYTLB[3:0] | SYCSB[3:0] | ||||||
| (0x09C) | TEMPH | TEMPH[7:0] | |||||||
| (0x09B) | TEMPL | TEMPL[7:0] | |||||||
| (0x09A) | Reserved | — | — | — | — | — | — | — | — |
| (0x099) | RDOCR | — | 0 | 0 | ETRPB | ETRPA | TMDS[1:0] | — | |
| (0x098) | RDSIMR | WCOBM | WCOAM | SOTBM | SOTAM | EOTBM | EOTAM | NBITBM | NBITAM |
| (0x097) | Reserved | — | — | — | — | — | — | — | — |
| (0x096) | TESRA | — | — | — | — | — | EOTLA[1:0] | CRCOA | |
| (0x095) | TESRB | — | — | — | — | — | EOTLB[1:0] | CRCOB | |
| (0x094) | SOTCA | WCOBOE | RROEA | SFIDEA | WUPEA | MANOEA | SYTOEA | AMPOEA | CAROEA |
| (0x093) | SOTCB | WCOAOE | RROEB | SFIDEB | WUPEB | MANOEB | SYTOEB | AMPOEB | CAROEB |
| (0x092) | SOTSA | WCOBO | RROA | SFIDOA | WUPOA | MANOA | SYTOA | AMPOA | CAROA |
| (0x091) | SOTSB | WCOAO | RROB | SFIDOB | WUPOB | MANOB | SYTOB | AMPOB | CAROB |
| (0x090) | GTCCR | TSM | — | — | — | — | — | — | PSR10 |
| (0x08F) | T5IMR | — | — | — | — | — | — | T5CIM | T5OIM |
| (0x08E) | T5CNTH | T5CNTH[7:0] | |||||||
| (0x08D) | T5CNTL | T5CNTL[7:0] | |||||||
| (0x08C) | T5CCR | — | — | — | — | T5CTC | T5CS[2:0] | ||
| (0x08B) | T5OCRH | T5OCRH[7:0] | |||||||
| (0x08A) | T5OCRL | T5OCRL[7:0] | |||||||
| (0x089) | Reserved | — | — | — | — | — | — | — | — |
| (0x088) | T4IMR | — | — | — | — | — | T4CPIM | T4CIM | T4OIM |
| (0x087) | T4MRB | T4ICS[2:0] | T4CE[1:0] | T4CNC | T4SCE | — | |||
| (0x086) | T4MRA | — | — | — | T4PS[2:0] | T4CS[1:0] | |||
| (0x085) | T4ICRH | T4ICRH[7:0] | |||||||
| (0x084) | T4ICRL | T4ICRL[7:0] | |||||||
| (0x083) | T4CORH | T4CORH[7:0] | |||||||
| (0x082) | T4CORL | T4CORL[7:0] | |||||||
| (0x081) | T4CNTH | T4CNTH[7:0] | |||||||
| (0x080) | T4CNTL | T4CNTL[7:0] | |||||||
| (0x07F) | T3IMR | — | — | — | — | — | T3CPIM | T3CIM | T3OIM |
| (0x07E) | T3MRB | T3ICS[2:0] | T3CE[1:0] | T3CNC | T3SCE | — | |||
| (0x07D) | T3MRA | — | — | — | T3PS[2:0] | T3CS[1:0] | |||
| (0x07C) | T3ICRH | T3ICRH[7:0] | |||||||
| (0x07B) | T3ICRL | T3ICRL[7:0] | |||||||
| (0x07A) | T3CORH | T3CORH[7:0] | |||||||
| (0x079) | T3CORL | T3CORL[7:0] | |||||||
| (0x078) | T3CNTH | T3CNTH[7:0] | |||||||
| (0x077) | T3CNTL | T3CNTL[7:0] | |||||||
| (0x076) | T2IMR | — | — | — | — | — | — | T2CIM | T2OIM |
| (0x075) | T2MR | T2DC[1:0] | T2PS[3:0] | T2CS[1:0] | |||||
| (0x074) | T2COR | T2COR[7:0] | |||||||
| (0x073) | T2CNT | T2CNT[7:0] | |||||||
| (0x072) | T1IMR | — | — | — | — | — | — | T1CIM | T1OIM |
| (0x071) | T1MR | T1DC[1:0] | T1PS[3:0] | T1CS[1:0] | |||||
| (0x070) | T1COR | T1COR[7:0] | |||||||
| (0x06F) | T1CNT | T1CNT[7:0] | |||||||
| (0x06E) | WDTCR | — | — | — | WDCE | WDE | WDPS[2:0] | ||
| (0x06D) | PCMSK1 | — | — | PCINT13 | PCINT12 | PCINT11 | PCINT10 | PCINT9 | PCINT8 |
| (0x06C) | PCMSK0 | PCINT7 | PCINT6 | PCINT5 | PCINT4 | PCINT3 | PCINT2 | PCINT1 | PCINT0 |
| (0x06B) | EICRA | — | — | — | — | ISC11 | ISC10 | ISC01 | ISC00 |
| (0x06A) | Reserved | — | — | — | — | — | — | — | — |
| (0x069) | FFREQ2H | — | — | — | — | — | — | FFREQ2H[1:0] | |
| (0x068) | FFREQ2M | FFREQ2M[7:0] | |||||||
| (0x067) | FFREQ2L | FFREQ2L[7:0] | |||||||
| (0x066) | FFREQ1H | — | — | — | — | — | — | FFREQ1H[1:0] | |
| (0x065) | FFREQ1M | FFREQ1M[7:0] | |||||||
| (0x064) | FFREQ1L | FFREQ1L[7:0] | |||||||
| (0x063) | GACDIVH | — | — | — | GACDIVH[4:0] | ||||
| (0x062) | GACDIVL | GACDIVL[7:0] | |||||||
| (0x061) | FSFCR | ASDIV[3:0] | — | — | BTSEL[1:0] | ||||
| (0x060) | FSEN | — | — | ANTT | ASEN | PEEN | GAEN | SDEN | SDPU |
| 0x03F (0x05F) | SREG | I | T | H | S | V | N | Z | C |
| 0x03E (0x05E) | SPH | — | — | — | — | — | SP10 | SP9 | SP8 |
| 0x03D (0x05D) | SPL | SP7 | SP6 | SP5 | SP4 | SP3 | SP2 | SP1 | SP0 |
| 0x03C (0x05C) | SPMCSR | SPMIE(2) | — | — | — | BLBSET | PGWRT(2) | PGERS(2) | SELFPRGEN |
| 0x03B (0x05B) | CLPR | CLPCE | — | CLTPS[2:0] | CLKPS[2:0] | ||||
| 0x03A (0x05A) | CMIMR | — | — | — | — | — | — | — | ECIE |
| 0x039 (0x059) | CMCR | CMCCE | CMONEN | — | SRCD | CCS | CMM[2:0] | ||
| 0x038 (0x058) | SMCR | — | — | — | — | SM[2:0] | SE | ||
| 0x037 (0x057) | EOTCB | EOTAFE | RRFEB | TELREB | TMOFEB | MANFEB | SYTFEB | AMPFEB | CARFEB |
| 0x036 (0x056) | EOTSB | EOTAF | RRFB | TELRB | TMOFB | MANFB | SYTFB | AMPFB | CARFB |
| 0x035 (0x055) | EOTCA | EOTBFE | RRFEA | TELREA | TMOFEA | MANFEA | SYTFEA | AMPFEA | CARFEA |
| 0x034 (0x054) | EOTSA | EOTBF | RRFA | TELRA | TMOFA | MANFA | SYTFA | AMPFA | CARFA |
| 0x033 (0x053) | RDCR | — | — | — | — | — | RDEN | ADIVEN | RDPU |
| 0x032 (0x052) | Reserved | — | — | — | — | — | — | — | — |
| 0x031 (0x051) | DWDR | DWDR[7:0] | |||||||
| 0x030 (0x050) | Reserved | — | — | — | — | — | — | — | — |
| 0x02F (0x04F) | T0IFR | — | — | — | — | — | — | — | T0F |
| 0x02E (0x04E) | SPDR | SPDR[7:0] | |||||||
| 0x02D (0x04D) | SPSR | SPIF | — | TXIF | RXIF | — | — | — | SPI2X |
| 0x02C (0x04C) | SPCR | SPIE | SPE | DORD | MSTR | CPOL | CPHA | SPR[1:0] | |
| 0x02B (0x04B) | MCUSR | — | — | — | — | WDRF | — | EXTRF | PORF |
| 0x02A (0x04A) | VMCSR | — | — | VMF | VMIM | VMLS[3:0] | |||
| 0x029 (0x049) | CRCDIR | CRCDIR[7:0] | |||||||
| 0x028 (0x048) | EIFR | — | — | — | — | — | — | INTF1 | INTF0 |
| 0x027 (0x047) | EIMSK | — | — | — | — | — | — | INT1 | INT0 |
| 0x026 (0x046) | PCICR | — | — | — | — | — | — | PCIE1 | PCIE0 |
| 0x025 (0x045) | GPIOR2 | GPIOR2[7:0] | |||||||
| 0x024 (0x044) | GPIOR1 | GPIOR1[7:0] | |||||||
| 0x023 (0x043) | EEPR | — | — | — | — | EEAP[3:0] | |||
| 0x022 (0x042) | EEARH | — | — | — | — | — | EEAR[10:8] | ||
| 0x021 (0x041) | EEARL | EEAR[7:0] | |||||||
| 0x020 (0x040) | EEDR | EEDR[7:0] | |||||||
| 0x01F (0x03F) | EECR | NVMBSY | EEPAGE | EEPM1 | EEPM0 | EERIE | EEMWE | EEWE | EERE |
| 0x01E (0x03E) | GPIOR6 | GPIOR6[7:0] | |||||||
| 0x01D (0x03D) | GPIOR5 | GPIOR5[7:0] | |||||||
| 0x01C (0x03C) | GPIOR4 | GPIOR4[7:0] | |||||||
| 0x01B (0x03B) | GPIOR3 | GPIOR3[7:0] | |||||||
| 0x01A (0x03A) | GPIOR0 | GPIOR0[7:0] | |||||||
| 0x019 (0x039) | T5IFR | — | — | — | — | — | — | T5COF | T5OFF |
| 0x018 (0x038) | T4IFR | — | — | — | — | — | T4ICF | T4COF | T4OFF |
| 0x017 (0x037) | T3IFR | — | — | — | — | — | T3ICF | T3COF | T3OFF |
| 0x016 (0x036) | T2IFR | — | — | — | — | — | — | T2COF | T2OFF |
| 0x015 (0x035) | T1IFR | — | — | — | — | — | — | T1COF | T1OFF |
| 0x014 (0x034) | T4CR | T4ENA | T4TOS | T4RES | T4TOP | T4CPRM | T4CRM | T4CTM | T4OTM |
| 0x013 (0x033) | T3CR | T3ENA | T3TOS | T3RES | T3TOP | T3CPRM | T3CRM | T3CTM | T3OTM |
| 0x012 (0x032) | T2CR | T2ENA | T2TOS | T2RES | T2TOP | — | T2CRM | T2CTM | T2OTM |
| 0x011 (0x031) | T1CR | T1ENA | T1TOS | T1RES | T1TOP | — | T1CRM | T1CTM | T1OTM |
| 0x010 (0x030) | T0CR | — | — | — | T0PR | T0IE | T0PS[2:0] | ||
| 0x00F (0x02F) | PCIFR | — | — | — | — | — | — | PCIF1 | PCIF0 |
| 0x00E (0x02E) | MCUCR | PB7HS | PB7LS | PB4HS | PUD | ENPS | SPIIO | IVSEL | IVCE |
| 0x00D (0x02D) | RDSIFR | WCOB | WCOA | SOTB | SOTA | EOTB | EOTA | NBITB | NBITA |
| 0x00C (0x02C) | Reserved | — | — | — | — | — | — | — | — |
| 0x00B (0x02B) | FSCR | PAON | — | — | PAOER | TXMS[1:0] | SFM | TXMOD | |
| 0x00A (0x02A) | PORTC | — | — | PORTC5 | PORTC4 | PORTC3 | PORTC2 | PORTC1 | PORTC0 |
| 0x009 (0x029) | DDRC | — | — | DDRC5 | DDRC4 | DDRC3 | DDRC2 | DDRC1 | DDRC0 |
| 0x008 (0x028) | PINC | — | — | PINC5 | PINC4 | PINC3 | PINC2 | PINC1 | PINC0 |
| 0x007 (0x027) | PORTB | PORTB7 | PORTB6 | PORTB5 | PORTB4 | PORTB3 | PORTB2 | PORTB1 | PORTB0 |
| 0x006 (0x026) | DDRB | DDRB7 | DDRB6 | DDRB5 | DDRB4 | DDRB3 | DDRB2 | DDRB1 | DDRB0 |
| 0x005 (0x025) | PINB | PINB7 | PINB6 | PINB5 | PINB4 | PINB3 | PINB2 | PINB1 | PINB0 |
| 0x004 (0x024) | RDPR | RDPRF | ARDPRF | APRPTA | APRPTB | PRTMP | PRFLT | PRPTA | PRPTB |
| 0x003 (0x023) | PRR2 | PRSSM | PRTM | PRRS | PRIDS | PRDF | PRSF | PRXA | PRXB |
| 0x002 (0x022) | PRR1 | — | — | — | PRT5 | PRT4 | PRT3 | PRT2 | PRT1 |
| 0x001 (0x021) | PRR0 | — | — | PRCO | PRVM | PRCRC | PRTXDC | PRRXDC | PRSPI |
| 0x000 (0x020) | Reserved | — | — | — | — | — | — | — | — |
Note:
- Only accessible if AVCC is on, see RF Front-End Register Description.
- Only valid for the ATA8510.