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ATMEGA16U2-AU

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
7
7799ES–AVR–09/2012
ATmega8U2/16U2/32U2
6. Register Summary
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
(0xFF) Reserved - - - - - - - -
(0xFE) Reserved
- - - - - - - -
(0xFD) Reserved
- - - - - - - -
(0xFC) Reserved
- - - - - - - -
(0xFB) UPOE UPWE1 UPWE0 UPDRV1 UPDRV0 SCKI DATAI DPI DMI page 195
(0xFA) Reserved
- - - - - - - -
(0xF9) Reserved
- - - - - - - -
(0xF8) Reserved
- - - - - - - -
(0xF7) Reserved
- - - - - - - -
(0xF6) Reserved
- - - - - - - -
(0xF5) Reserved
- - - - - - - -
(0xF4) UEINT
- - EPINT4:0 page 222
(0xF3) Reserved
- - - - - - - -
(0xF2) UEBCLX BYCT7:0 page 221
(0xF1) UEDATX DAT7:0 page 221
(0xF0) UEIENX FLERRE NAKINE
- NAKOUTE RXSTPE RXOUTE STALLEDE TXINE page 220
(0xEF) UESTA1X
- - - - - CTRLDIR CURRBK1:0 page 218
(0xEE) UESTA0X CFGOK OVERFI UNDERFI
- DTSEQ1:0 NBUSYBK1:0 page 217
(0xED) UECFG1X
- EPSIZE2:0 EPBK1:0 ALLOC - page 216
(0xEC) UECFG0X EPTYPE1:0
- - - - - EPDIR page 215
(0xEB) UECONX
- - STALLRQ STALLRQC RSTDT - - EPEN page 214
(0xEA) UERST
- - - EPRST4:0 page 214
(0xE9) UENUM
- - - - - EPNUM2:0 page 214
(0xE8) UEINTX FIFOCON NAKINI RWAL NAKOUTI RXSTPI RXOUTI STALLEDI TXINI page 219
(0xE7) Reserved
- - - - - - - -
(0xE6) UDMFN
- - - FNCERR - - - - page 213
(0xE5) UDFNUMH
- - - - - FNUM10:8 page 213
(0xE4) UDFNUML FNUM7:0 page 213
(0xE3) UDADDR ADDEN UADD6:0 page 212
(0xE2) UDIEN
- UPRSME EORSME WAKEUPE EORSTE SOFE - SUSPE page 211
(0xE1) UDINT
- UPRSMI EORSMI WAKEUPI EORSTI SOFI - SUSPI page 210
(0xE0) UDCON
- - - RPUTX - RSTCPU RMWKUP DETACH page 209
(0xDF) Reserved
- - - - - - - -
(0xDE) Reserved
- - - - - - - -
(0xDD) Reserved
- - - - - - - -
(0xDC) Reserved
- - - - - - - -
(0xDB) Reserved
- - - - - - - -
(0xDA) Reserved
- - - - - - - -
(0xD9) Reserved
- - - - - - - -
(0xD8) USBCON USBE
- FRZCLK - - - - - page 195
(0xD7) Reserved
- - - - - - - -
(0xD6) Reserved
- - - - - - - -
(0xD5) Reserved
- - - - - - - -
(0xD4) Reserved
- - - - - - - -
(0xD3) Reserved
- - - - - - - -
(0xD2) CLKSTA
- - - - - - RCON EXTON page 38
(0xD1) CLKSEL1 RCCKSEL3 RCCKSEL2 RCCKSEL1 RCCKSEL0 EXCKSEL3 EXCKSEL2 EXCKSEL1 EXCKSEL0 page 38
(0xD0) CLKSEL0 RCSUT1 RCSUT0 EXSUT1 EXSUT0 RCE EXTE
- CLKS page 37
(0xCF) Reserved
- - - - - - - -
(0xCE) UDR1 USART1 I/O Data Register page 167
(0xCD) UBRR1H - - - - USART1 Baud Rate Register High Byte page 171
(0xCC) UBRR1L USART1 Baud Rate Register Low Byte page 171
(0xCB) UCSR1D
- - - - - - CTSEN RTSEN page 171
(0xCA) UCSR1C UMSEL11 UMSEL10 UPM11 UPM10 USBS1 UCSZ11 UCSZ10 UCPOL1 page 169
(0xC9) UCSR1B RXCIE1 TXCIE1 UDRIE1 RXEN1 TXEN1 UCSZ12 RXB81 TXB81 page 168
(0xC8) UCSR1A RXC1 TXC1 UDRE1 FE1 DOR1 PE1 U2X1 MPCM1 page 167
(0xC7) Reserved
- - - - - - - -
(0xC6) Reserved
- - - - - - - -
(0xC5) Reserved
- - - - - - - -
(0xC4) Reserved
- - - - - - - -
(0xC3) Reserved
- - - - - - - -
(0xC2) Reserved
- - - - - - - -
(0xC1) Reserved
- - - - - - - -
(0xC0) Reserved
- - - - - - - -
(0xBF) Reserved
- - - - - - - -
8
7799ES–AVR–09/2012
ATmega8U2/16U2/32U2
(0xBE) Reserved - - - - - - - -
(0xBD) Reserved
- - - - - - - -
(0xBC) Reserved
- - - - - - - -
(0xBB) Reserved
- - - - - - - -
(0xBA) Reserved
- - - - - - - -
(0xB9) Reserved
- - - - - - - -
(0xB8) Reserved
- - - - - - - -
(0xB7) Reserved
- - - - - - - -
(0xB6) Reserved
- - - - - - - -
(0xB5) Reserved
- - - - - - - -
(0xB4) Reserved
- - - - - - - -
(0xB3) Reserved
- - - - - - - -
(0xB2) Reserved
- - - - - - - -
(0xB1) Reserved
- - - - - - - -
(0xB0) Reserved
- - - - - - - -
(0xAF) Reserved
- - - - - - - -
(0xAE) Reserved
- - - - - - - -
(0xAD) Reserved
- - - - - - - -
(0xAC) Reserved
- - - - - - - -
(0xAB) Reserved
- - - - - - - -
(0xAA) Reserved
- - - - - - - -
(0xA9) Reserved
- - - - - - - -
(0xA8) Reserved
- - - - - - - -
(0xA7) Reserved
- - - - - - - -
(0xA6) Reserved
- - - - - - - -
(0xA5) Reserved
- - - - - - - -
(0xA4) Reserved
- - - - - - - -
(0xA3) Reserved
- - - - - - - -
(0xA2) Reserved
- - - - - - - -
(0xA1) Reserved
- - - - - - - -
(0xA0) Reserved
- - - - - - - -
(0x9F) Reserved
- - - - - - - -
(0x9E) Reserved
- - - - - - - -
(0x9D) Reserved
- - - - - - - -
(0x9C) Reserved
- - - - - - - -
(0x9B) Reserved
- - - - - - - -
(0x9A) Reserved
- - - - - - - -
(0x99) Reserved
- - - - - - - -
(0x98) Reserved
- - - - - - - -
(0x97) Reserved
- - - - - - - -
(0x96) Reserved
- - - - - - - -
(0x95) Reserved
- - - - - - - -
(0x94) Reserved
- - - - - - - -
(0x93) Reserved
- - - - - - - -
(0x92) Reserved
- - - - - - - -
(0x91) Reserved
- - - - - - - -
(0x90) Reserved
- - - - - - - -
(0x8F) Reserved
- - - - - - - -
(0x8E) Reserved
- - - - - - - -
(0x8D) OCR1CH Timer/Counter1 - Output Compare Register C High Byte page 135
(0x8C) OCR1CL Timer/Counter1 - Output Compare Register C Low Byte page 135
(0x8B) OCR1BH Timer/Counter1 - Output Compare Register B High Byte page 135
(0x8A) OCR1BL Timer/Counter1 - Output Compare Register B Low Byte page 135
(0x89) OCR1AH Timer/Counter1 - Output Compare Register A High Byte page 135
(0x88) OCR1AL Timer/Counter1 - Output Compare Register A Low Byte page 135
(0x87) ICR1H Timer/Counter1 - Input Capture Register High Byte page 135
(0x86) ICR1L Timer/Counter1 - Input Capture Register Low Byte page 135
(0x85) TCNT1H Timer/Counter1 - Counter Register High Byte page 134
(0x84) TCNT1L Timer/Counter1 - Counter Register Low Byte page 134
(0x83) Reserved
- - - - - - - -
(0x82) TCCR1C FOC1A FOC1B FOC1C
- - - - - page 134
(0x81) TCCR1B ICNC1 ICES1
- WGM13 WGM12 CS12 CS11 CS10 page 133
(0x80) TCCR1A COM1A1 COM1A0 COM1B1 COM1B0 COM1C1 COM1C0 WGM11 WGM10 page 129
(0x7F) DIDR1
- AIN6D AIN5D AIN4D AIN3D AIN2D AIN1D AIN0D page 225
(0x7E) Reserved
- - - - - - - -
(0x7D) ACMUX
- - - - - CMUX2 CMUX1 CMUX0 page 225
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
9
7799ES–AVR–09/2012
ATmega8U2/16U2/32U2
(0x7C) Reserved - - - - - - - -
(0x7B) Reserved
- - - - - - - -
(0x7A) Reserved
- - - - - - - -
(0x79) Reserved
- - - - - - - -
(0x78) Reserved
- - - - - - - -
(0x77) Reserved
- - - - - - - -
(0x76) Reserved
- - - - - - - -
(0x75) Reserved
- - - - - - - -
(0x74) Reserved
- - - - - - - -
(0x73) Reserved
- - - - - - - -
(0x72) Reserved
- - - - - - - -
(0x71) Reserved
- - - - - - - -
(0x70) Reserved
- - - - - - - -
(0x6F) TIMSK1
- - ICIE1 - OCIE1C OCIE1B OCIE1A TOIE1 page 135
(0x6E) TIMSK0
- - - - - OCIE0B OCIE0A TOIE0 page 106
(0x6D) Reserved
- - - - - - - -
(0x6C) PCMSK1
- - - PCINT12 PCINT11 PCINT10 PCINT9 PCINT8 page 87
(0x6B) PCMSK0 PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0 page 87
(0x6A) EICRB ISC71 ISC70 ISC61 ISC60 ISC51 ISC50 ISC41 ISC40 page 85
(0x69) EICRA ISC31 ISC30 ISC21 ISC20 ISC11 ISC10 ISC01 ISC00 page 84
(0x68) PCICR
- - - - - - PCIE1 PCIE0 page 86
(0x67) Reserved
- - - - - - - -
(0x66) OSCCAL Oscillator Calibration Register page 38
(0x65) PRR1 PRUSB
- - - - - - PRUSART1 page 46
(0x64) PRR0
- - PRTIM0 - PRTIM1 PRSPI - - page 46
(0x63) REGCR
- - - - - - - REGDIS page 196
(0x62) WDTCKD
- - WDEWIFCM WCLKD2 WDEWIF WDEWIE WCLKD1 WCLKD0 page 57
(0x61) CLKPR CLKPCE
- - - CLKPS3 CLKPS2 CLKPS1 CLKPS0 page 39
(0x60) WDTCSR WDIF WDIE WDP3 WDCE WDE WDP2 WDP1 WDP0 page 56
0x3F (0x5F) SREG I T H S V N Z C page 9
0x3E (0x5E) SPH SP15 SP14 SP13 SP12 SP11 SP10 SP9 SP8 page 12
0x3D (0x5D) SPL SP7 SP6 SP5 SP4 SP3 SP2 SP1 SP0 page 12
0x3C (0x5C) Reserved
- - - - - - - -
0x3B (0x5B) Reserved
- - - - - - - -
0x3A (0x5A) Reserved
- - - - - - - -
0x39 (0x59) Reserved
- - - - - - - -
0x38 (0x58) Reserved
- - - - - - - -
0x37 (0x57) SPMCSR SPMIE RWWSB SIGRD RWWSRE BLBSET PGWRT PGERS SPMEN page 242
0x36 (0x56) Reserved
- - - - - - - -
0x35 (0x55) MCUCR
- - - - - - IVSEL IVCE page 65, 82
0x34 (0x54) MCUSR
- - USBRF - WDRF BORF EXTRF PORF page 55
0x33 (0x53) SMCR
- - - - SM2 SM1 SM0 SE page 45
0x32 (0x52) Reserved
- - - - - - - -
0x31 (0x51) DWDR debugWIRE Data Register page 245
0x30 (0x50) ACSR ACD ACBG ACO ACI ACIE ACIC ACIS1 ACIS0 page 224
0x2F (0x4F) Reserved
- - - - - - - -
0x2E (0x4E) SPDR SPI Data Register page 147
0x2D (0x4D) SPSR SPIF WCOL
- - - - - SPI2X page 146
0x2C (0x4C) SPCR SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0 page 145
0x2B (0x4B) GPIOR2 General Purpose I/O Register 2 page 24
0x2A (0x4A) GPIOR1 General Purpose I/O Register 1 page 24
0x29 (0x49) PLLCSR
- - - PLLP2 PLLP1 PLLP0 PLLE PLOCK page 40
0x28 (0x48) OCR0B Timer/Counter0 Output Compare Register B page 106
0x27 (0x47) OCR0A Timer/Counter0 Output Compare Register A page 106
0x26 (0x46) TCNT0 Timer/Counter0 (8 Bit) page 106
0x25 (0x45) TCCR0B FOC0A FOC0B
- - WGM02 CS02 CS01 CS00 page 105
0x24 (0x44) TCCR0A COM0A1 COM0A0 COM0B1 COM0B0
- - WGM01 WGM00 page 105
0x23 (0x43) GTCCR TSM
- - - - - PSRASY PSRSYNC page 89
0x22 (0x42) EEARH
- - - - EEPROM Address Register High Byte page 20
0x21 (0x41) EEARL EEPROM Address Register Low Byte page 20
0x20 (0x40) EEDR EEPROM Data Register page 20
0x1F (0x3F) EECR
- - EEPM1 EEPM0 EERIE EEMPE EEPE EERE page 21
0x1E (0x3E) GPIOR0 General Purpose I/O Register 0 page 25
0x1D (0x3D) EIMSK INT7 INT6 INT5 INT4 INT3 INT2 INT1 INT0 page 86
0x1C (0x3C) EIFR INTF7 INTF6 INTF5 INTF4
INTF3 INTF2 INTF1 INTF0 page 86
0x1B (0x3B) PCIFR
- - - - - - PCIF1 PCIF0 page 86
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22

ATMEGA16U2-AU

Mfr. #:
Buy ATMEGA16U2-AU
Manufacturer:
Microchip Technology / Atmel
Description:
8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR,USB16K FLASH
Lifecycle:
New from this manufacturer.
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