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ATmega32U2 Datasheet(PDF) 294 Page - ATMEL Corporation |
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ATmega32U2 Datasheet(HTML) 294 Page - ATMEL Corporation |
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294 / 314 page  294 7799B–AVR–07/09 ATmega8U2/16U2/32U2 28. 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 - - - - - - - - |
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