Datasheet

Offset Name Bit Pos.
0x80 TCCR1A 7:0 COM1A[1:0] COM1B[1:0] WGM1[1:0]
0x81 TCCR1B 7:0 ICNC1 ICES1 WGM1[3] WGM1[2] CS1[2:0]
0x82 TCCR1C 7:0 FOC1A FOC1B
0x83 Reserved
0x84
TCNT1L and
TCNT1H
7:0 TCNT1[7:0]
15:8 TCNT1[15:8]
0x86 ICR1L and ICR1H
7:0 ICR1[7:0]
15:8 ICR1[15:8]
0x88
OCR1AL and
OCR1AH
7:0 OCR1A[7:0]
15:8 OCR1A[15:8]
0x8A
OCR1BL and
OCR1BH
7:0 OCR1B[7:0]
15:8 OCR1B[15:8]
0x8C
...
0x8F
Reserved
0x90 TCCR3A 7:0 COM3A[1:0] COM3B[1:0] WGM3[1:0]
0x91 TCCR3B 7:0 ICNC3 ICES3 WGM3[3] WGM3[2] CS3[2:0]
0x92 TCCR3C 7:0 FOC3A FOC3B
0x93 Reserved
0x94
TCNT3L and
TCNT3H
7:0 TCNT3[7:0]
15:8 TCNT3[15:8]
0x96 ICR3L and ICR3H
7:0 ICR3[7:0]
15:8 ICR3[15:8]
0x98
OCR3AL and
OCR3AH
7:0 OCR3A[7:0]
15:8 OCR3A[15:8]
0x9A
OCR3BL and
OCR3BH
7:0 OCR3B[7:0]
15:8 OCR3B[15:8]
0x9C
...
0x9F
Reserved
0xA0 TCCR4A 7:0 COM4A[1:0] COM4B[1:0] WGM4[1:0]
0xA1 TCCR4B 7:0 ICNC4 ICES4 WGM4[3] WGM4[2] CS4[2:0]
0xA2 TCCR4C 7:0 FOC4A FOC4B
0xA3 Reserved
0xA4
TCNT4L and
TCNT4H
7:0 TCNT4[7:0]
15:8 TCNT4[15:8]
0xA6 ICR4L and ICR4H
7:0 ICR4[7:0]
15:8 ICR4[15:8]
0xA8
OCR4AL and
OCR4AH
7:0 OCR4A[7:0]
15:8 OCR4A[15:8]
0xAA
OCR4BL and
OCR4BH
7:0 OCR4B[7:0]
15:8 OCR4B[15:8]
0xAC SPCR1 7:0 SPIE1 SPE1 DORD1 MSTR1 CPOL1 CPHA1 SPR1 [1:0]
0xAD SPSR1 7:0 SPIF1 WCOL1 SPI2X1
0xAE SPDR1 7:0 SPID1[7:0]
0xAF Reserved
ATmega328PB
Register Summary
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001906C-page 447