Datasheet

225
ATmega323(L)
1457E–11/01
Register Summary
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
$3F ($5F) SREG I T H S V N Z C 21
$3E ($5E) SPH - - - - SP11 SP10 SP9 SP8 22
$3D ($5D) SPL SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 22
$3C ($5C) OCR0
Timer/Counter0 Output Compare Register
46
$3B ($5B) GICR INT1 INT0 INT2 - - - IVSEL IVCE 32
$3A ($5A) GIFR INTF1 INTF0 INTF2 - - - - -34
$39 ($59) TIMSK OCIE2 TOIE2 TICIE1 OCIE1A OCIE1B TOIE1 OCIE0 TOIE0 35
$38 ($58) TIFR OCF2 TOV2 ICF1 OCF1A OCF1B TOV1 OCF0 TOV0 35
$37 ($57) SPMCR - ASB - ASRE BLBSET PGWRT PGERS SPMEN 178
$36 ($56) TWCR TWINT TWEA TWSTA TWSTO TWWC TWEN
-TWIE 102
$35 ($55) MCUCR SE SM2 SM1 SM0 ISC11 ISC10 ISC01 ISC00 37
$34 ($54) MCUCSR JTD ISC2
- JTRF WDRF BORF EXTRF PORF 30
$33 ($53) TCCR0 FOC0 PWM0 COM01 COM00 CTC0 CS02 CS01 CS00 46
$32 ($52) TCNT0 Timer/Counter0 (8 Bits) 48
$31 ($51)
OSCCAL Oscillator Calibration Register 40
OCRD On-chip Debug Register 156
$30 ($50) SFIOR - - - - ACME PUD PSR2 PSR10 44
$2F ($4F) TCCR1A COM1A1 COM1A0 COM1B1 COM1B0 FOC1A FOC1B PWM11 PWM10 55
$2E ($4E) TCCR1B ICNC1 ICES1 - - CTC1 CS12 CS11 CS10 56
$2D ($4D) TCNT1H Timer/Counter1 - Counter Register High Byte 57
$2C ($4C) TCNT1L Timer/Counter1 - Counter Register Low Byte 57
$2B ($4B) OCR1AH
Timer/Counter1 - Output Compare Register A High Byte
58
$2A ($4A) OCR1AL
Timer/Counter1 - Output Compare Register A Low Byte
58
$29 ($49) OCR1BH
Timer/Counter1 - Output Compare Register B High Byte
58
$28 ($48) OCR1BL
Timer/Counter1 - Output Compare Register B Low Byte
58
$27 ($47) ICR1H Timer/Counter1 - Input Capture Register High Byte 59
$26 ($46) ICR1L Timer/Counter1 - Input Capture Register Low Byte 59
$25 ($45) TCCR2 FOC2 PWM2 COM21 COM20 CTC2 CS22 CS21 CS20 46
$24 ($44) TCNT2 Timer/Counter2 (8 Bits) 48
$23 ($43) OCR2
Timer/Counter2 Output Compare Register
48
$22 ($42) ASSR - - - - AS2 TCN2UB OCR2UB TCR2UB 51
$21 ($41) WDTCR - - - WDTOE WDE WDP2 WDP1 WDP0 63
$20 ($40)
UBRRH URSEL - - - UBRR[11:8] 97
UCSRC URSEL UMSEL UPM1 UPM0 USBS UCSZ1 UCSZ0 UCPOL 95
$1F ($3F) EEARH - - - - - - EEAR9 EEAR8 65
$1E ($3E) EEARL EEAR7 EEAR6 EEAR5 EEAR4 EEAR3 EEAR2 EEAR1 EEAR0 65
$1D ($3D) EEDR EEPROM Data Register 65
$1C ($3C) EECR - - - - EERIE EEMWE EEWE EERE 66
$1B ($3B) PORTA PORTA7 PORTA6 PORTA5 PORTA4 PORTA3 PORTA2 PORTA1 PORTA0 134
$1A ($3A) DDRA DDA7 DDA6 DDA5 DDA4 DDA3 DDA2 DDA1 DDA0 134
$19 ($39) PINA PINA7 PINA6 PINA5 PINA4 PINA3 PINA2 PINA1 PINA0 134
$18 ($38) PORTB PORTB7 PORTB6 PORTB5 PORTB4 PORTB3 PORTB2 PORTB1 PORTB0 136
$17 ($37) DDRB DDB7 DDB6 DDB5 DDB4 DDB3 DDB2 DDB1 DDB0 136
$16 ($36) PINB PINB7 PINB6 PINB5 PINB4 PINB3 PINB2 PINB1 PINB0 136
$15 ($35) PORTC PORTC7 PORTC6 PORTC5 PORTC4 PORTC3 PORTC2 PORTC1 PORTC0 143
$14 ($34) DDRC DDC7 DDC6 DDC5 DDC4 DDC3 DDC2 DDC1 DDC0 143
$13 ($33) PINC PINC7 PINC6 PINC5 PINC4 PINC3 PINC2 PINC1 PINC0 143
$12 ($32) PORTD PORTD7 PORTD6 PORTD5 PORTD4 PORTD3 PORTD2 PORTD1 PORTD0 148
$11 ($31) DDRD DDD7 DDD6 DDD5 DDD4 DDD3 DDD2 DDD1 DDD0 148
$10 ($30) PIND PIND7 PIND6 PIND5 PIND4 PIND3 PIND2 PIND1 PIND0 148
$0F ($2F) SPDR SPI Data Register 72
$0E ($2E) SPSR SPIF WCOL - - - - - SPI2X 71
$0D ($2D) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 70
$0C ($2C) UDR USART I/O Data Register 93
$0B ($2B) UCSRA RXC TXC UDRE FE DOR PE U2X MPCM 93
$0A ($2A) UCSRB RXCIE TXCIE UDRIE RXEN TXEN UCSZ2 RXB8 TXB8 94
$09 ($29) UBRRL USART Baud Rate Register Low Byte 97
$08 ($28) ACSR ACD ACBG ACO ACI ACIE ACIC ACIS1 ACIS0 121
$07 ($27) ADMUX REFS1 REFS0 ADLAR MUX4 MUX3 MUX2 MUX1 MUX0 128
$06 ($26) ADCSR ADEN ADSC ADFR ADIF ADIE ADPS2 ADPS1 ADPS0 130
$05 ($25) ADCH ADC Data Register High Byte 131
$04 ($24) ADCL ADC Data Register Low Byte 131
$03 ($23) TWDR 2-wire Serial Interface Data Register 104
$02 ($22) TWAR TWA6 TWA5 TWA4 TWA3 TWA2 TWA1 TWA0 TWGCE 104