Datasheet

8
ATmega128(L)
2467AS–08/01
Register Summary
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
($FF) Reserved - - - - - - - -
.. Reserved - - - - - - - -
($9E)
Reserved - - - - - - - -
($9D) UCSR1C - UMSEL1 UPM11 UPM10 USBS1 UCSZ11 UCSZ10 UCPOL1 185
($9C) UDR1 USART1 I/O Data Register 182
($9B) UCSR1A RXC1 TXC1 UDRE1 FE1 DOR1 UPE1 U2X1 MPCM1 183
($9A) UCSR1B RXCIE1 TXCIE1 UDRIE1 RXEN1 TXEN1 UCSZ12 RXB81 TXB81 184
($99) UBRR1L USART1 Baud Rate Register Low 186
($98) UBRR1H
- - - - USART1 Baud Rate Register High 186
($97)
Reserved
- - - - - - - -
($96)
Reserved - - - - - - - -
($95) UCSR0C
- UMSEL0 UPM01 UPM00 USBS0 UCSZ01 UCSZ00 UCPOL0 185
($94)
Reserved
- - - - - - - -
($93)
Reserved - - - - - - - -
($92)
Reserved
- - - - - - - -
($91)
Reserved - - - - - - - -
($90) UBRR0H
- - - - USART0 Baud Rate Register High 186
($8F)
Reserved
- - - - - - - -
($8E)
Reserved - - - - - - - -
($8D)
Reserved
- - - - - - - -
($8C)
TCCR3C FOC3A FOC3B FOC3C
- - - - -132
($8B) TCCR3A COM3A1 COM3A0 COM3B1 COM3B0 COM3C1 COM3C0 WGM31 WGM30 127
($8A) TCCR3B ICNC3 ICES3
- WGM33 WGM32 CS32 CS31 CS30 130
($89) TCNT3H Timer/Counter3 - Counter Register High Byte 132
($88) TCNT3L Timer/Counter3 - Counter Register Low Byte 132
($87) OCR3AH Timer/Counter3 - Output Compare Register A High Byte 133
($86) OCR3AL Timer/Counter3 - Output Compare Register A Low Byte 133
($85) OCR3BH Timer/Counter3 - Output Compare Register B High Byte 133
($84) OCR3BL Timer/Counter3 - Output Compare Register B Low Byte 133
($83) OCR3CH Timer/Counter3 - Output Compare Register C High Byte 133
($82) OCR3CL Timer/Counter3 - Output Compare Register C Low Byte 133
($81) ICR3H Timer/Counter3 - Input Capture Register High Byte 134
($80) ICR3L Timer/Counter3 - Input Capture Register Low Byte 134
($7F)
Reserved
- - - - - - - -
($7E)
Reserved
- - - - - - - -
($7D) ETIMSK
- - TICIE3 OCIE3A OCIE3B TOIE3 OCIE3C OCIE1C 135
($7C) ETIFR - - ICF3 OCF3A OCF3B TOV3 OCF3C OCF1C 136
($7B)
Reserved
- - - - - - - -
($7A)
TCCR1C FOC1A FOC1B FOC1C
- - - - -131
($79) OCR1CH Timer/Counter1 - Output Compare Register C High Byte 133
($78) OCR1CL Timer/Counter1 - Output Compare Register C Low Byte 133
($77)
Reserved - - - - - - - -
($76)
Reserved - - - - - - - -
($75)
Reserved - - - - - - - -
($74) TWCR TWINT TWEA TWSTA TWSTO TWWC TWEN -TWIE 198
($73) TWDR 2-wire Serial Interface Data Register 199
($72) TWAR TWA6 TWA5 TWA4 TWA3 TWA2 TWA1 TWA0 TWGCE 200
($671 TWSR TWS7 TWS6 TWS5 TWS4 TWS3 - TWPS1 TWPS0 199
($70) TWBR 2-wire Serial Interface Bit Rate Register 197
($6F) OSCCAL Oscillator Calibration Register 38
($6E)
Reserved - - - - - - - -
($6D)
XMCRA - SRL2 SRL1 SRL0 SRW01 SRW00 SRW11 29
($6C)
XMCRB XMBK - - - - XMM2 XMM1 XMM0 31
($6B)
Reserved - - - - - - - -
($6A) EICRA ISC31 ISC30 ISC21 ISC20 ISC11 ISC10 ISC01 ISC00 84
($69)
Reserved - - - - - - - -
($68)
SPMCSR SPMIE RWWSB - RWWSRE BLBSET PGWRT PGERS SPMEN 270
($67)
Reserved - - - - - - - -
($66)
Reserved - - - - - - - -
($65)
PORTG - - - PORTG4 PORTG3 PORTG2 PORTG1 PORTG0 83
($64)
DDRG - - - DDG4 DDG3 DDG2 DDG1 DDG0 83
($63)
PING - - - PING4 PING3 PING2 PING1 PING0 83
($62) PORTF PORTF7 PORTF6 PORTF5 PORTF4 PORTF3 PORTF2 PORTF1 PORTF0 83