Datasheet

10
8008HS–AVR–04/11
ATtiny48/88
(0x7C) ADMUX – REFS0 ADLAR – MUX3 MUX2 MUX1 MUX0 176
(0x7B) ADCSRB –ACME – – – ADTS2 ADTS1 ADTS0 162, 179
(0x7A) ADCSRA ADEN ADSC ADATE ADIF ADIE ADPS2 ADPS1 ADPS0 178
(0x79) ADCH ADC Data Register High byte 179
(0x78) ADCL ADC Data Register Low byte 179
(0x77) Reserved – – – – – – – –
(0x76) Reserved – – – – – – – –
(0x75) Reserved – – – – – – – –
(0x74) Reserved – – – – – – – –
(0x73) Reserved – – – – – – – –
(0x72) Reserved – – – – – – – –
(0x71) Reserved – – – – – – – –
(0x70) Reserved – – – – – – – –
(0x6F) TIMSK1 – –ICIE1 – – OCIE1B OCIE1A TOIE1 114
(0x6E) TIMSK0 – – – – – OCIE0B OCIE0A TOIE0 87
(0x6D) PCMSK2 PCINT23 PCINT22 PCINT21 PCINT20 PCINT19 PCINT18 PCINT17 PCINT16 59
(0x6C) PCMSK1 PCINT15 PCINT14 PCINT13 PCINT12 PCINT11 PCINT10 PCINT9 PCINT8 59
(0x6B) PCMSK0 PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0 59
(0x6A) PCMSK3 – – - -
PCINT27
PCINT26
PCINT25 PCINT24
59
(0x69) EICRA
– – – –ISC11ISC10ISC01ISC00 55
(0x68) PCICR
– – – – PCIE3 PCIE2 PCIE1 PCIE0 57
(0x67) Reserved – – – – – – – –
(0x66) OSCCAL Oscillator Calibration Register 34
(0x65) Reserved – – – – – – – –
(0x64) PRR PRTWI –PRTIM0 – PRTIM1 PRSPI –PRADC 40
(0x63) Reserved – – – – – – – –
(0x62) Reserved – – – – – – – –
(0x61) CLKPR CLKPCE – – – CLKPS3 CLKPS2 CLKPS1 CLKPS0 34
(0x60) WDTCSR WDIF WDIE WDP3 WDCE WDE WDP2 WDP1 WDP0 49
0x3F (0x5F) SREG I T H S V N Z C 9
0x3E (0x5E) SPH – – – – – – SP9 SP8 11
0x3D (0x5D) SPL SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 11
0x3C (0x5C) Reserved – – – – – – – –
0x3B (0x5B) Reserved – – – – – – – –
0x3A (0x5A) Reserved – – – – – – – –
0x39 (0x59) Reserved – – – – – – – –
0x38 (0x58) Reserved – – – – – – – –
0x37 (0x57) SPMCSR – RWWSB – CTPB RFLB PGWRT PGERS SELFPRGEN 186
0x36 (0x56) Reserved – – – – –
0x35 (0x55) MCUCR – BODS BODSE PUD – – – – 40, 77
0x34 (0x54) MCUSR – – – – WDRF BORF EXTRF PORF 49
0x33 (0x53) SMCR – – – – –SM1SM0SE 39
0x32 (0x52) Reserved – – – – – – – –
0x31 (0x51) DWDR
debugWire Data Register
182
0x30 (0x50) ACSR ACD ACBG ACO ACI ACIE ACIC ACIS1 ACIS0 162
0x2F (0x4F) Reserved – – – – – – – –
0x2E (0x4E) SPDR SPI Data Register 128
0x2D (0x4D) SPSR SPIF WCOL – – – – – SPI2X 127
0x2C (0x4C) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 126
0x2B (0x4B) GPIOR2 General Purpose I/O Register 2 27
0x2A (0x4A) GPIOR1 General Purpose I/O Register 1 27
0x29 (0x49) Reserved
– – – – – – – –
0x28 (0x48) OCR0B Timer/Counter0 Output Compare Register B 87
0x27 (0x47) OCR0A Timer/Counter0 Output Compare Register A 86
0x26 (0x46) TCNT0 Timer/Counter0 (8-bit) 86
0x25 (0x45) TCCR0A – – – – CTC0 CS02 CS01 CS00 85
0x24 (0x44) Reserved
– – – – – – – –
0x23 (0x43) GTCCR TSM
– – – – – – PSRSYNC 118
0x22 (0x42) Reserved – – – – – – – –
0x21 (0x41) EEARL EEPROM Address Register Low Byte 25
0x20 (0x40) EEDR EEPROM Data Register 25
0x1F (0x3F) EECR – – EEPM1 EEPM0 EERIE EEMPE EEPE EERE 25
0x1E (0x3E) GPIOR0 General Purpose I/O Register 0 27
0x1D (0x3D) EIMSK
– – – – – –INT1INT0 56
0x1C (0x3C) EIFR – – – – – – INTF1 INTF0 56
0x1B (0x3B) PCIFR – – – – PCIF3 PCIF2 PCIF1 PCIF0 58
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page