6
ATmega8
2486AS–08/01
Register Summary
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
0x3F (0x5F) SREG I T H S V N Z C 7
0x3E (0x5E) SPH – – – – – SP10 SP9 SP8 10
0x3D (0x5D) SPL SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 10
0x3C (0x5C) Reserved
0x3B (0x5B) GICR INT1 INT0 – – – – IVSEL IVCE 45, 63
0x3A (0x5A) GIFR INTF1 INTF0
– – – – - -63
0x39 (0x59) TIMSK OCIE2 TOIE2 TICIE1 OCIE1A OCIE1B TOIE1
– TOIE0 68, 97, 114
0x38 (0x58) TIFR OCF2 TOV2 ICF1 OCF1A OCF1B TOV1
– TOV0 68, 97, 115
0x37 (0x57) SPMCR SPMIE RWWSB – RWWSRE BLBSET PGWRT PGERS SPMEN 201
0x36 (0x56) TWCR TWINT TWEA TWSTA TWSTO TWWC TWEN
– TWIE 160
0x35 (0x55) MCUCR SE SM2 SM1 SM0 ISC11 ISC10 ISC01 ISC00 29, 62
0x34 (0x54) MCUCSR
- - - - WDRF BORF EXTRF PORF 37
0x33 (0x53) TCCR0
- - - - - CS02 CS01 CS00 67
0x32 (0x52) TCNT0 Timer/Counter0 (8 Bits) 68
0x31 (0x51)
OSCCAL Oscillator Calibration Register 27
0x30 (0x50) SFIOR - - - ADHSM ACME PUD PSR2 PSR10 53, 70, 116, 181
0x2F (0x4F) TCCR1A COM1A1 COM1A0 COM1B1 COM1B0 FOC1A FOC1B WGM11 WGM10 92
0x2E (0x4E) TCCR1B ICNC1 ICES1
- WGM13 WGM12 CS12 CS11 CS10 95
0x2D (0x4D) TCNT1H Timer/Counter1 - Counter Register High Byte 96
0x2C (0x4C) TCNT1L Timer/Counter1 - Counter Register Low Byte 96
0x2B (0x4B) OCR1AH
Timer/Counter1 - Output Compare Register A High Byte
96
0x2A (0x4A) OCR1AL
Timer/Counter1 - Output Compare Register A Low Byte
96
0x29 (0x49) OCR1BH
Timer/Counter1 - Output Compare Register B High Byte
96
0x28 (0x48) OCR1BL
Timer/Counter1 - Output Compare Register B Low Byte
96
0x27 (0x47) ICR1H Timer/Counter1 - Input Capture Register High Byte 96
0x26 (0x46) ICR1L Timer/Counter1 - Input Capture Register Low Byte 96
0x25 (0x45) TCCR2 FOC2 WGM20 COM21 COM20 WGM21 CS22 CS21 CS20 109
0x24 (0x44) TCNT2 Timer/Counter2 (8 Bits) 111
0x23 (0x43) OCR2
Timer/Counter2 Output Compare Register
112
0x22 (0x42) ASSR - - - - AS2 TCN2UB OCR2UB TCR2UB 112
0x21 (0x41) WDTCR
- - - WDCE WDE WDP2 WDP1 WDP0 39
0x20
(1)
(0x40)
(1)
UBRRH URSEL - - - UBRR[11:8] 148
UCSRC URSEL UMSEL UPM1 UPM0 USBS UCSZ1 UCSZ0 UCPOL 147
0x1F (0x3F) EEARH - - - - - - - EEAR8 17
0x1E (0x3E) EEARL EEAR7 EEAR6 EEAR5 EEAR4 EEAR3 EEAR2 EEAR1 EEAR0 17
0x1D (0x3D) EEDR EEPROM Data Register 17
0x1C (0x3C) EECR - - - - EERIE EEMWE EEWE EERE 17
0x1B (0x3B) Reserved
0x1A (0x3A) Reserved
0x19 (0x39) Reserved
0x18 (0x38) PORTB PORTB7 PORTB6 PORTB5 PORTB4 PORTB3 PORTB2 PORTB1 PORTB0 61
0x17 (0x37) DDRB DDB7 DDB6 DDB5 DDB4 DDB3 DDB2 DDB1 DDB0 61
0x16 (0x36) PINB PINB7 PINB6 PINB5 PINB4 PINB3 PINB2 PINB1 PINB0 61
0x15 (0x35) PORTC
- PORTC6 PORTC5 PORTC4 PORTC3 PORTC2 PORTC1 PORTC0 61
0x14 (0x34) DDRC - DDC6 DDC5 DDC4 DDC3 DDC2 DDC1 DDC0 61
0x13 (0x33) PINC - PINC6 PINC5 PINC4 PINC3 PINC2 PINC1 PINC0 61
0x12 (0x32) PORTD PORTD7 PORTD6 PORTD5 PORTD4 PORTD3 PORTD2 PORTD1 PORTD0 61
0x11 (0x31) DDRD DDD7 DDD6 DDD5 DDD4 DDD3 DDD2 DDD1 DDD0 61
0x10 (0x30) PIND PIND7 PIND6 PIND5 PIND4 PIND3 PIND2 PIND1 PIND0 61
0x0F (0x2F) SPDR SPI Data Register 123
0x0E (0x2E) SPSR SPIF WCOL - - - - -SPI2X 122
0x0D (0x2D) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 121
0x0C (0x2C) UDR USART I/O Data Register 144
0x0B (0x2B) UCSRA RXC TXC UDRE FE DOR PE U2X MPCM 145
0x0A (0x2A) UCSRB RXCIE TXCIE UDRIE RXEN TXEN UCSZ2 RXB8 TXB8 146
0x09 (0x29) UBRRL USART Baud Rate Register Low Byte 148
0x08 (0x28) ACSR ACD ACBG ACO ACI ACIE ACIC ACIS1 ACIS0 181
0x07 (0x27) ADMUX REFS1 REFS0 ADLAR - MUX3 MUX2 MUX1 MUX0 193
0x06 (0x26) ADCSR ADEN ADSC ADFR ADIF ADIE ADPS2 ADPS1 ADPS0 195
0x05 (0x25) ADCH ADC Data Register High Byte 196
0x04 (0x24) ADCL ADC Data Register Low Byte 196
0x03 (0x23) TWDR 2-wire Serial Interface Data Register 161
0x02 (0x22) TWAR TWA6 TWA5 TWA4 TWA3 TWA2 TWA1 TWA0 TWGCE 162
0x01 (0x21) TWSR TWS7
TWS6 TWS5 TWS4 TWS3
-
TWPS1 TWPS0
161
(71 strony)
(14 strony)
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