466130 Datasheet, PDF (10/36 Pages) ATMEL Corporation – 8-bit Microcontroller with 64/128K Bytes of ISP Flash

4. Register Summary
Address
(0xFF)
(0xFE)
(0xFD)
(0xFC)
(0xFB)
(0xFA)
(0xF9)
(0xF8)
(0xF7)
(0xF6)
(0xF5)
(0xF4)
(0xF3)
(0xF2)
(0xF1)
(0xF0)
(0xEF)
(0xEE)
(0xED)
(0xEC)
(0xEB)
(0xEA)
(0xE9)
(0xE8)
(0xE7)
(0xE6)
(0xE5)
(0xE4)
(0xE3)
(0xE2)
(0xE1)
(0xE0)
(0xDF)
(0xDE)
(0xDD)
(0xDC)
(0xDB)
(0xDA)
(0xD9)
(0xD8)
(0xD7)
(0xD6)
(0xD5)
(0xD4)
(0xD3)
(0xD2)
(0xD1)
(0xD0)
(0xCF)
(0xCE)
(0xCD)
(0xCC)
(0xCB)
(0xCA)
(0xC9)
(0xC8)
(0xC7)
(0xC6)
(0xC5)
(0xC4)
(0xC3)
(0xC2)
(0xC1)
(0xC0)
(0xBF)
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
OTGTCON
UPINT
UPBCHX
UPBCLX
UPERRX
UEINT
UEBCHX
UEBCLX
UEDATX
UEIENX
UESTA1X
UESTA0X
UECFG1X
UECFG0X
UECONX
UERST
UENUM
UEINTX
Reserved
UDMFN
UDFNUMH
UDFNUML
UDADDR
UDIEN
UDINT
UDCON
OTGINT
OTGIEN
OTGCON
Reserved
Reserved
USBINT
USBSTA
USBCON
UHWCON
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UDR1
UBRR1H
UBRR1L
Reserved
UCSR1C
UCSR1B
UCSR1A
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Bit 7
-
-
-
-
-
-
-
-
-
Bit 6
Bit 5
-
-
-
-
-
-
-
-
-
-
-
-
PAGE
-
-
COUNTER1:0
-
-
FLERRE
-
CFGOK
NAKINE
-
OVERFI
EPTYPE1:0
-
-
UNDERFI
EPSIZE2:0
STALLRQ
FIFOCON
NAKINI
RWAL
-
ADDEN
UPRSME
UPRSMI
EORSME
EORSMI
STOI
STOE
HNPREQ
Bit 4
-
-
-
-
-
-
Bit 3
-
-
-
-
-
-
Bit 2
-
-
-
-
-
-
PINT7:0
-
-
PBYCT7:0
CRC16
TIMEOUT
PID
EPINT6:0
-
-
BYCT7:0
DAT7:0
NAKOUTE
RXSTPE
RXOUTE
-
-
CTRLDIR
-
DTSEQ1:0
EPBK1:0
-
STALLRQC
RSTDT
EPRST6:0
NAKOUTI
-
FNCERR
RXSTPI
-
RXOUTI
-
FNUM7:0
UADD6:0
WAKEUPE
EORSTE
WAKEUPI
EORSTI
HNPERRI
HNPERRE
SRPREQ
ROLEEXI
ROLEEXE
SRPSEL
SOFE
SOFI
LSM
BCERRI
BCERRE
VBUSHWC
Bit 1
Bit 0
-
-
-
-
-
-
-
-
-
-
-
-
VALUE
PBYCT10:8
DATAPID
DATATGL
BYCT10:8
STALLEDE
TXINE
CURRBK1:0
NBUSYBK1:0
ALLOC
-
EPDIR
EPEN
EPNUM2:0
STALLEDI
TXINI
FNUM10:8
RMWKUP
VBERRI
VBERRE
VBUSREQ
SUSPE
SUSPI
DETACH
SRPI
SRPE
VBUSRQC
USBE
UIMOD
HOST
UIDE
FRZCLK
OTGPADE
UVCONE
SPEED
IDTI
ID
IDTE
VBUSTI
VBUS
VBUSTE
UVREGE
-
-
-
-
-
-
UMSEL11
RXCIE1
RXC1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UMSEL10
TXCIE1
TXC1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UPM11
UDRIE1
UDRE1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
USART1 I/O Data Register
-
USART1 Baud Rate Register High Byte
USART1 Baud Rate Register Low Byte
-
-
-
-
-
UPM10
USBS1
UCSZ11
UCSZ10
UCPOL1
RXEN1
TXEN1
UCSZ12
RXB81
TXB81
FE1
DOR1
PE1
U2X1
MPCM1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Page
10 ATmega32U6/AT90USB64/128
7593JS–AVR–03/09