Datasheet

9
8265CS–AVR–03/12
ATtiny87
(0x7C) ADMUX REFS1 REFS0 ADLAR MUX4 MUX3 MUX2 MUX1 MUX0 page 204
(0x7B) ADCSRB BIN ACME ACIR1 ACIR0 – ADTS2 ADTS1 ADTS0 page 208, page 212
(0x7A) ADCSRA ADEN ADSC ADATE ADIF ADIE ADPS2 ADPS1 ADPS0 page 206
(0x79) ADCH - / ADC9 - / ADC8 - / ADC7 - / ADC6 - / ADC5 - / ADC4 ADC9 / ADC3 ADC8 / ADC2 page 207
(0x78) ADCL ADC7 / ADC1 ADC6 / ADC0 ADC5 / - ADC4 / - ADC3 / - ADC2 / - ADC1 / - ADC0 / page 207
(0x77) AMISCR – – – – – AREFEN XREFEN ISRCEN page 189, page 209
(0x76) Reserved
(0x75) Reserved
(0x74) Reserved
(0x73) Reserved
(0x72) Reserved
(0x71) Reserved
(0x70) Reserved
(0x6F) TIMSK1 – –ICIE1– – OCIE1B OCIE1A TOIE1 page 137
(0x6E) TIMSK0 – – – – – – OCIE0A TOIE0 page 104
(0x6D) Reserved
(0x6C) PCMSK1 PCINT15 PCINT14 PCINT13 PCINT12 PCINT11 PCINT10 PCINT9 PCINT8 page 65
(0x6B) PCMSK0 PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0 page 65
(0x6A) Reserved
(0x69) EICRA – – – –ISC11ISC10ISC01ISC00 page 63
(0x68) PCICR – – – – – – PCIE1 PCIE0 page 64
(0x67) Reserved
(0x66) OSCCAL CAL7 CAL6 CAL5 CAL4 CAL3 CAL2 CAL1 CAL0 page 37
(0x65) Reserved
(0x64) PRR – – PRLIN PRSPI PRTIM1 PRTIM0 PRUSI PRADC page 47
(0x63) CLKSELR – COUT CSUT1 CSUT0 CSEL3 CSEL2 CSEL1 CSEL0 page 40
(0x62) CLKCSR CLKCCE – – CLKRDY CLKC3 CLKC2 CLKC1 CLKC0 page 38
(0x61) CLKPR CLKPCE – – – CLKPS3 CLKPS2 CLKPS1 CLKPS0 page 38
(0x60) WDTCR WDIF WDIE WDP3 WDCE WDE WDP2 WDP1 WDP0 page 57
0x3F (0x5F) SREG ITHSVNZ C page 9
0x3E (0x5E) SPH SP15 SP14 SP13 SP12 SP11 SP10 SP9 SP8 page 11
0x3D (0x5D) SPL SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 page 11
0x3C (0x5C) Reserved
0x3B (0x5B) Reserved
0x3A (0x5A) Reserved
0x39 (0x59) Reserved
0x38 (0x58) Reserved
0x37 (0x57) SPMCSR – RWWSB SIGRD CTPB RFLB PGWRT PGERS SPMEN page 218
0x36 (0x56)
Reserved
– – – – – – – –
0x35 (0x55) MCUCR –BODSBODSEPUD – – – – page 47, page 75
0x34 (0x54) MCUSR – – – – WDRF BORF EXTRF PORF page 52
0x33 (0x53) SMCR – – – – –SM1SM0SE page 46
0x32 (0x52) Reserved
0x31 (0x51) DWDR DWDR7 DWDR6 DWDR5 DWDR4 DWDR3 DWDR2 DWDR1 DWDR0 page 215
0x30 (0x50) ACSR ACD ACIRS ACO ACI ACIE ACIC ACIS1 ACIS0 page 212
0x2F (0x4F) Reserved
0x2E (0x4E) SPDR SPD7 SPD6 SPD5 SPD4 SPD3 SPD2 SPD1 SPD0 page 146
0x2D (0x4D) SPSR SPIF WCOL
– – – – –SPI2X page 146
0x2C (0x4C) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 page 144
0x2B (0x4B) GPIOR2 GPIOR27 GPIOR26 GPIOR25 GPIOR24 GPIOR23 GPIOR22 GPIOR21 GPIOR20 page 23
0x2A (0x4A) GPIOR1 GPIOR17 GPIOR16 GPIOR15 GPIOR14 GPIOR13 GPIOR12 GPIOR11 GPIOR10 page 23
0x29 (0x49) Reserved
0x28 (0x48) OCR0A OCR0A7 OCR0A6 OCR0A5 OCR0A4 OCR0A3 OCR0A2 OCR0A1 OCR0A0 page 102
0x27 (0x47) TCNT0 TCNT07 TCNT06 TCNT05 TCNT04 TCNT03 TCNT02 TCNT01 TCNT00 page 102
0x26 (0x46) TCCR0B FOC0A – – – – CS02 CS01 CS00 page 101
0x25 (0x45) TCCR0A COM0A1 COM0A0 – – – –WGM01WGM00 page 99
0x24 (0x44) Reserved
0x23 (0x43) GTCCR TSM – – – – – PSR0 PSR1 page 105, page 108
0x22 (0x42) EEARH
(1)
– – – – – – –EEAR8 page 21
0x21 (0x41) EEARL EEAR7 EEAR6 EEAR5 EEAR4 EEAR3 EEAR2 EEAR1 EEAR0 page 21
0x20 (0x40) EEDR EEDR7 EEDR6 EEDR5 EEDR4 EEDR3 EEDR2 EEDR1 EEDR0 page 22
0x1F (0x3F) EECR – – EEPM1 EEPM0 EERIE EEMPE EEPE EERE page 22
0x1E (0x3E) GPIOR0 GPIOR07 GPIOR06 GPIOR05 GPIOR04 GPIOR03 GPIOR02 GPIOR01 GPIOR00 page 23
0x1D (0x3D) EIMSK
– – – – – –INT1INT0 page 63
0x1C (0x3C) EIFR
– – – – – – INTF1 INTF0 page 64
0x1B (0x3B)
PCIFR
– – – – – – PCIF1 PCIF0 page 65
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page