Datasheet AT90S2333, AT90LS2333, AT90S4433, AT90LS4433 - Preliminary (Atmel) - 7

AT90S/LS2333 and AT90S/LS4433 Register Summary Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
$3F ($5F) SREG I T H S V N Z C $3E ($5E) Reserved - - - - - - - - $3D ($5D) SP SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 $3C ($5C) Reserved $3B ($5B) GIMSK INT1 INT0 - - - - - - $3A ($5A) GIFR INTF1 INTF0 $39 ($59) TIMSK TOIE1 OCIE1
- -
TICIE1 - TOIE0
-
$38 ($58) TIFR TOV1 OCF1
- -
ICF1 - TOV0
-
$37 ($57) Reserved $36 ($56) Reserved $35 ($55) MCUCR - SE SM ISC11 ISC10 ISC01 ISC00 $34 ($54) MCUSR - - - - WDRF BORF EXTRF PORF $33 ($53) TCCR0 - - - - - CS02 CS01 CS00 $32 ($52) TCNT0 Timer/Counter0 (8 Bits) $31 ($51) Reserved $30 ($50) Reserved $2F ($4F) TCCR1A COM11 COM10 - - - - PWM11 PWM10 $2E ($4E) TCCR1B ICNC1 ICES1 - - CTC1 CS12 CS11 CS10 $2D ($4D) TCNT1H Timer/Counter1 - Counter Register High Byte $2C ($4C) TCNT1L Timer/Counter1 - Counter Register Low Byte $2B ($4B) OCR1H Timer/Counter1 - Output Compare Register High Byte $2A ($4A) OCR1L Timer/Counter1 - Output Compare Register Low Byte $29 ($49) Reserved $28 ($48) Reserved $27 ($47) ICR1H Timer/Counter1 - Input Capture Register High Byte $26 ($46) ICR1L Timer/Counter1 - Input Capture Register Low Byte $25 ($45) Reserved $24 ($44) Reserved $23 ($43) Reserved $22 ($42) Reserved $21 ($41) WDTCR - - - WDTOE WDE WDP2 WDP1 WDP0 $20 ($40) Reserved $1F ($3F) Reserved $1E ($3E) EEAR EEPROM Address Register $1D ($3D) EEDR EEPROM Data Register $1C ($3C) EECR - - - - EERIE EEMWE EEWE EERE $1B ($3B) Reserved $1A ($3A) Reserved $19 ($39) Reserved $18 ($38) PORTB - - PORTB5 PORTB4 PORTB3 PORTB2 PORTB1 PORTB0 $17 ($37) DDRB - - DDB5 DDB4 DDB3 DDB2 DDB1 DDB0 $16 ($36) PINB - - PINB5 PINB4 PINB3 PINB2 PINB1 PINB0 $15 ($35) PORTC - - PORTC5 PORTC4 PORTC3 PORTC2 PORTC1 PORTC0 $14 ($34) DDRC - - DDC5 DDC4 DDC3 DDC2 DDC1 DDC0 $13 ($33) PINC - - PINC5 PINC4 PINC3 PINC2 PINC1 PINC0 $12 ($32) PORTD PORTD7 PORTD6 PORTD5 PORTD4 PORTD3 PORTD2 PORTD1 PORTD0 $11 ($31) DDRD DDD7 DDD6 DDD5 DDD4 DDD3 DDD2 DDD1 DDD0 $10 ($30) PIND PIND7 PIND6 PIND5 PIND4 PIND3 PIND2 PIND1 PIND0 $0F ($2F) SPDR SPI Data Register $0E ($2E) SPSR SPIF WCOL - - - - - - $0D ($2D) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 $0C ($2C) UDR UART I/O Data Register $0B ($2B) UCSRA RXC TXC UDRE FE OR - - - $0A ($2A) UCSRB RXCIE TXCIE UDRIE RXEN TXEN CHR9 RXB8 TXB8 $09 ($29) UBRR UART Baud Rate Register $08 ($28) ACSR ACD AINBG ACO ACI ACIE ACIC ACIS1 ACIS0 $07 ($27) ADMUX - ADCBG - - - MUX2 MUX1 MUX0 $06 ($26) ADCSR ADEN ADSC ADFR ADIF ADIE ADPS2 ADPS1 ADPS0 $05 ($25) ADCH - - - - - - ADC9 ADC8 $04 ($24) ADCL ADC7 ADC6 ADC5 ADC4 ADC3 ADC2 ADC1 ADC0 $03 ($23) UBRRHI UART Baud Rate Register High
7
Document Outline Features Description Block Diagram Pin Descriptions VCC GND Port B (PB5..PB0) Port C (PC5..PC0) Port D (PD7..PD0) RESET XTAL1 XTAL2 AVCC AREF AGND Architectural Overview Register Summary (Continued) Instruction Set Summary (Continued) Ordering Information Pin Configurations