Manual

118
AT90S/LS8535
1041H–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 page 19
$3E ($5E) SPH - - - - - - SP9 SP8 page 20
$3D ($5D) SPL SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 page 20
$3C ($5C) Reserved
$3B ($5B) GIMSK INT1 INT0 - - - - - - page 25
$3A ($5A) GIFR INTF1 INTF0 page 26
$39 ($59) TIMSK OCIE2 TOIE2 TICIE1 OCIE1A OCIE1B TOIE1
- TOIE0 page 26
$38 ($58) TIFR OCF2 TOV2 ICF1 OCF1A OCF1B TOV1
- TOV0 page 27
$37 ($57) Reserved
$36 ($56) Reserved
$35 ($55) MCUCR - SE SM1 SM0 ISC11 ISC10 ISC01 ISC00 page 29
$34 ($54) MCUSR - - - - - - EXTRF PORF page 24
$33 ($53) TCCR0 - - - - - CS02 CS01 CS00 page 34
$32 ($52) TCNT0 Timer/Counter0 (8 Bits) page 34
$31 ($51) Reserved
$30 ($50) Reserved
$2F ($4F) TCCR1A COM1A1 COM1A0 COM1B1 COM1B0 - - PWM11 PWM10 page 36
$2E ($4E) TCCR1B ICNC1 ICES1 - - CTC1 CS12 CS11 CS10 page 37
$2D ($4D) TCNT1H Timer/Counter1 – Counter Register High Byte page 38
$2C ($4C) TCNT1L Timer/Counter1 – Counter Register Low Byte page 38
$2B ($4B) OCR1AH Timer/Counter1 – Output Compare Register A High Byte page 39
$2A ($4A) OCR1AL Timer/Counter1 – Output Compare Register A Low Byte page 39
$29 ($49) OCR1BH Timer/Counter1 – Output Compare Register B High Byte page 39
$28 ($48) OCR1BL Timer/Counter1 – Output Compare Register B Low Byte page 39
$27 ($47) ICR1H Timer/Counter1 – Input Capture Register High Byte page 40
$26 ($46) ICR1L Timer/Counter1 – Input Capture Register Low Byte page 40
$25 ($45) TCCR2 - PWM2 COM21 COM20 CTC2 CS22 CS21 CS20 page 43
$24 ($44) TCNT2 Timer/Counter2 (8 Bits) page 44
$23 ($43) OCR2 Timer/Counter2 Output Compare Register page 44
$22 ($42) ASSR - - - - AS2 TCN2UB OCR2UB TCR2UB page 46
$21 ($41) WDTCR - - - WDTOE WDE WDP2 WDP1 WDP0 page 49
$20 ($40) Reserved
$1F ($3F) EEARH EEAR8 page 51
$1E ($3E) EEARL EEAR7 EEAR6 EEAR5 EEAR4 EEAR3 EEAR2 EEAR1 EEAR0 page 51
$1D ($3D) EEDR EEPROM Data Register page 51
$1C ($3C) EECR - - - - EERIE EEMWE EEWE EERE page 51
$1B ($3B) PORTA PORTA7 PORTA6 PORTA5 PORTA4 PORTA3 PORTA2 PORTA1 PORTA0 page 76
$1A ($3A) DDRA DDA7 DDA6 DDA5 DDA4 DDA3 DDA2 DDA1 DDA0 page 76
$19 ($39) PINA PINA7 PINA6 PINA5 PINA4 PINA3 PINA2 PINA1 PINA0 page 76
$18 ($38) PORTB PORTB7 PORTB6 PORTB5 PORTB4 PORTB3 PORTB2 PORTB1 PORTB0 page 78
$17 ($37) DDRB DDB7 DDB6 DDB5 DDB4 DDB3 DDB2 DDB1 DDB0 page 78
$16 ($36) PINB PINB7 PINB6 PINB5 PINB4 PINB3 PINB2 PINB1 PINB0 page 78
$15 ($35) PORTC PORTC7 PORTC6 PORTC5 PORTC4 PORTC3 PORTC2 PORTC1 PORTC0 page 84
$14 ($34) DDRC DDC7 DDC6 DDC5 DDC4 DDC3 DDC2 DDC1 DDC0 page 84
$13 ($33) PINC PINC7 PINC6 PINC5 PINC4 PINC3 PINC2 PINC1 PINC0 page 84
$12 ($32) PORTD PORTD7 PORTD6 PORTD5 PORTD4 PORTD3 PORTD2 PORTD1 PORTD0 page 87
$11 ($31) DDRD DDD7 DDD6 DDD5 DDD4 DDD3 DDD2 DDD1 DDD0 page 87
$10 ($30) PIND PIND7 PIND6 PIND5 PIND4 PIND3 PIND2 PIND1 PIND0 page 87
$0F ($2F) SPDR SPI Data Register page 58
$0E ($2E) SPSR SPIF WCOL - - - - - - page 58
$0D ($2D) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 page 57
$0C ($2C) UDR UART I/O Data Register page 62
$0B ($2B) USR RXC TXC UDRE FE OR - - - page 62
$0A ($2A) UCR RXCIE TXCIE UDRIE RXEN TXEN CHR9 RXB8 TXB8 page 63
$09 ($29) UBRR UART Baud Rate Register page 65
$08 ($28) ACSR ACD - ACO ACI ACIE ACIC ACIS1 ACIS0 page 66
$07 ($27) ADMUX
- - - - - MUX2 MUX1 MUX0 page 72
$06 ($26) ADCSR ADEN ADSC ADFR ADIF ADIE ADPS2 ADPS1 ADPS0 page 72
$05 ($25) ADCH
- - - - - - ADC9 ADC8 page 73
$04 ($24) ADCL ADC7 ADC6 ADC5 ADC4 ADC3 ADC2 ADC1 ADC0 page 73
$03 ($20) Reserved
$02 ($22) Reserved
$01 ($21) Reserved
$00 ($20) Reserved