Datasheet

Offset Name Bit Pos.
0x51 DWDR 7:0 DWDR[7:0]
0x52 Reserved
0x53 SMCR 7:0 SM[2:0] SE
0x54 MCUSR 7:0 WDRF BORF EXTRF PORF
0x55 MCUCR 7:0 BODS BODSE PUD IVSEL IVCE
0x56 Reserved
0x57 SPMCSR 7:0 SPMIE RWWSB SIGRD RWWSRE BLBSET PGWRT PGERS SPMEN
0x58
...
0x5C
Reserved
0x5D SPL and SPH
7:0 SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0
15:8 SP11 SP10 SP9 SP8
0x5F SREG 7:0 I T H S V N Z C
0x60 WDTCSR 7:0 WDIF WDIE WDP[3] WDCE WDE WDP[2:0]
0x61 CLKPR 7:0 CLKPCE CLKPS [3:0]
0x62 XFDCSR 7:0 XFDIF XFDIE
0x63 Reserved
0x64 PRR0 7:0 PRTWI0 PRTIM2 PRTIM0 PRUSART1 PRTIM1 PRSPI0 PRUSART0 PRADC
0x65 PRR1 7:0 PRTWI1 PRPTC PRTIM4 PRSPI1 PRTIM3
0x66 OSCCAL 7:0 CAL [7:0]
0x67 Reserved
0x68 PCICR 7:0 PCIE3 PCIE2 PCIE1 PCIE0
0x69 EICRA 7:0 ISC1 [1:0] ISC0 [1:0]
0x6A Reserved
0x6B PCMSK0 7:0 PCINT[7:0]
0x6C PCMSK1 7:0 PCINT[14:8]
0x6D PCMSK2 7:0 PCINT[23:16]
0x6E TIMSK0 7:0 OCIE0B OCIE0A TOIE0
0x6F TIMSK1 7:0 ICIE1 OCIE1B OCIE1A TOIE1
0x70 TIMSK2 7:0 OCIE2B OCIE2A TOIE2
0x71 TIMSK3 7:0 ICIE3 OCIE3B OCIE3A TOIE3
0x72 TIMSK4 7:0 ICIE4 OCIE4B OCIE4A TOIE4
0x73 PCMSK3 7:0 PCINT[27:24]
0x74
...
0x77
Reserved
0x78 ADCL and ADCH
7:0 ADC[7:0]
15:8 ADC[9:8]
0x78 ADCL and ADCH
7:0 ADC[1:0]
15:8 ADC[9:2]
0x7A ADCSRA 7:0 ADEN ADSC ADATE ADIF ADIE ADPS [2:0]
0x7B ADCSRB 7:0 ACME ADTS [2:0]
0x7C ADMUX 7:0 REFS [1:0] ADLAR MUX [3:0]
0x7D Reserved
0x7E DIDR0 7:0 ADC7D ADC6D ADC5D ADC4D ADC3D ADC2D ADC1D ADC0D
0x7F DIDR1 7:0 AIN1D AIN0D
ATmega328PB
Register Summary
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001906C-page 446