Datasheet

419
ATmega640/1280/1281/2560/2561
2549K–AVR–01/07
(0x7D) DIDR2 ADC15D ADC14D ADC13D ADC12D ADC11D ADC10D ADC9D ADC8D page 300
(0x7C) ADMUX REFS1 REFS0 ADLAR MUX4 MUX3 MUX2 MUX1 MUX0 page 294
(0x7B) ADCSRB -ACME - - MUX5 ADTS2 ADTS1 ADTS0 page 277,295,,299
(0x7A) ADCSRA ADEN ADSC ADATE ADIF ADIE ADPS2 ADPS1 ADPS0 page 297
(0x79) ADCH ADC Data Register High byte page 298
(0x78) ADCL ADC Data Register Low byte page 298
(0x77) Reserved - - - - - - - -
(0x76) Reserved - - - - - - - -
(0x75) XMCRB XMBK - - - - XMM2 XMM1 XMM0 page 36
(0x74) XMCRA SRE SRL2 SRL1 SRL0 SRW11 SRW10 SRW01 SRW00 page 34
(0x73) TIMSK5 - -ICIE5- OCIE5C OCIE5B OCIE5A TOIE5 page 169
(0x72) TIMSK4 - -ICIE4- OCIE4C OCIE4B OCIE4A TOIE4 page 169
(0x71) TIMSK3 - -ICIE3- OCIE3C OCIE3B OCIE3A TOIE3 page 169
(0x70) TIMSK2 - - - - - OCIE2B OCIE2A TOIE2 page 197
(0x6F) TIMSK1 - -ICIE1- OCIE1C OCIE1B OCIE1A TOIE1 page 169
(0x6E) TIMSK0 - - - - - OCIE0B OCIE0A TOIE0 page 135
(0x6D) PCMSK2 PCINT23 PCINT22 PCINT21 PCINT20 PCINT19 PCINT18 PCINT17 PCINT16 page 81
(0x6C) PCMSK1 PCINT15 PCINT14 PCINT13 PCINT12 PCINT11 PCINT10 PCINT9 PCINT8 page 81
(0x6B) PCMSK0 PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0 page 82
(0x6A) EICRB ISC71 ISC70 ISC61 ISC60 ISC51 ISC50 ISC41 ISC40 page 79
(0x69) EICRA ISC31 ISC30 ISC21 ISC20 ISC11 ISC10 ISC01 ISC00 page 78
(0x68) PCICR - - - - - PCIE2 PCIE1 PCIE0 page 80
(0x67) Reserved - - - - - - - -
(0x66) OSCCAL Oscillator Calibration Register page 48
(0x65) PRR1 - - PRTIM5 PRTIM4 PRTIM3 PRUSART3 PRUSART2 PRUSART1 page 56
(0x64) PRR0 PRTWI PRTIM2 PRTIM0 - PRTIM1 PRSPI PRUSART0 PRADC page 55
(0x63) Reserved - - - - - - - -
(0x62) Reserved - - - - - - - -
(0x61) CLKPR CLKPCE - - - CLKPS3 CLKPS2 CLKPS1 CLKPS0 page 48
(0x60) WDTCSR WDIF WDIE WDP3 WDCE WDE WDP2 WDP1 WDP0 page 66
0x3F (0x5F) SREG I T H S V N Z C page 12
0x3E (0x5E) SPH SP15 SP14 SP13 SP12 SP11 SP10 SP9 SP8 page 14
0x3D (0x5D) SPL SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 page 14
0x3C (0x5C) EIND - - - - - - -EIND0 page 15
0x3B (0x5B) RAMPZ - - - - - - RAMPZ1 RAMPZ0 page 15
0x3A (0x5A) Reserved - - - - - - - -
0x39 (0x59) Reserved - - - - - - - -
0x38 (0x58) Reserved - - - - - - - -
0x37 (0x57) SPMCSR SPMIE RWWSB SIGRD RWWSRE BLBSET PGWRT PGERS SPMEN page 340
0x36 (0x56) Reserved - - - - - - - -
0x35 (0x55) MCUCR JTD - -PUD- - IVSEL IVCE page 66,76,115,314
0x34 (0x54) MCUSR - - -JTRFWDRF BORF EXTRF PORF page 314
0x33 (0x53) SMCR - - - - SM2 SM1 SM0 SE page 51
0x32 (0x52) Reserved - - - - - - - -
0x31 (0x51) OCDR OCDR7
OCDR6 OCDR5 OCDR4 OCDR3 OCDR2 OCDR1 OCDR0 page 307
0x30 (0x50) ACSR ACD ACBG ACO ACI ACIE ACIC ACIS1 ACIS0 page 277
0x2F (0x4F) Reserved
- - - - - - - -
0x2E (0x4E) SPDR SPI Data Register page 208
0x2D (0x4D) SPSR SPIF WCOL - - - - - SPI2X page 207
0x2C (0x4C) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 page 206
0x2B (0x4B) GPIOR2 General Purpose I/O Register 2 page 34
0x2A (0x4A) GPIOR1 General Purpose I/O Register 1 page 34
0x29 (0x49) Reserved
- - - - - - - -
0x28 (0x48) OCR0B Timer/Counter0 Output Compare Register B page 134
0x27 (0x47) OCR0A Timer/Counter0 Output Compare Register A page 134
0x26 (0x46) TCNT0 Timer/Counter0 (8 Bit) page 134
0x25 (0x45) TCCR0B FOC0A FOC0B - - WGM02 CS02 CS01 CS00 page 133
0x24 (0x44) TCCR0A COM0A1 COM0A0 COM0B1 COM0B0
- - WGM01 WGM00 page 130
0x23 (0x43) GTCCR TSM
- - - - - PSRASY PSRSYNC page 173, 198
0x22 (0x42) EEARH - - - - EEPROM Address Register High Byte page 32
0x21 (0x41) EEARL EEPROM Address Register Low Byte page 32
0x20 (0x40) EEDR EEPROM Data Register page 32
0x1F (0x3F) EECR - - EEPM1 EEPM0 EERIE EEMPE EEPE EERE page 32
0x1E (0x3E) GPIOR0 General Purpose I/O Register 0 page 34
0x1D (0x3D) EIMSK INT7 INT6 INT5 INT4 INT3 INT2 INT1 INT0 page 79
0x1C (0x3C) EIFR INTF7 INTF6 INTF5 INTF4 INTF3 INTF2 INTF1 INTF0 page 80
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page