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ATMEGA16U4 Datasheet(PDF) 9 Page - ATMEL Corporation

Part # ATMEGA16U4
Description  High Performance, Low Power AVR 8-Bit Microcontroller Advanced RISC Architecture
Download  26 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA16U4 Datasheet(HTML) 9 Page - ATMEL Corporation

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9
7766FS–AVR–11/10
ATmega16/32U4
4.
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)
Reserved
-
-
-
-
-
-
-
-
(0xFA)
Reserved
-
-
-
-
-
-
-
-
(0xF9)
Reserved
-
-
-
-
(0xF8)
Reserved
-
-
-
-
-
-
-
-
(0xF7)
Reserved
-
-
-
-
-
-
-
-
(0xF6)
Reserved
-
-
-
-
-
-
-
-
(0xF5)
Reserved
-
-
-
-
-
-
-
-
(0xF4)
UEINT
-
EPINT6:0
(0xF3)
UEBCHX
-
-
-
-
-BYCT10:8
(0xF2)
UEBCLX
BYCT7:0
(0xF1)
UEDATX
DAT7:0
(0xF0)
UEIENX
FLERRE
NAKINE
-
NAKOUTE
RXSTPE
RXOUTE
STALLEDE
TXINE
(0xEF)
UESTA1X
-
-
-
-
-
CTRLDIR
CURRBK1:0
(0xEE)
UESTA0X
CFGOK
OVERFI
UNDERFI
-
DTSEQ1:0
NBUSYBK1:0
(0xED)
UECFG1X
EPSIZE2:0
EPBK1:0
ALLOC
-
(0xEC)
UECFG0X
EPTYPE1:0
-
-
-
-
-
EPDIR
(0xEB)
UECONX
-
-
STALLRQ
STALLRQC
RSTDT
-
-
EPEN
(0xEA)
UERST
-
EPRST6:0
(0xE9)
UENUM
-
-
-
-
-
EPNUM2:0
(0xE8)
UEINTX
FIFOCON
NAKINI
RWAL
NAKOUTI
RXSTPI
RXOUTI
STALLEDI
TXINI
(0xE7)
Reserved
-
-
-
-
(0xE6)
UDMFN
-
-
-
FNCERR
-
-
-
-
(0xE5)
UDFNUMH
-
-
-
-
-
FNUM10:8
(0xE4)
UDFNUML
FNUM7:0
(0xE3)
UDADDR
ADDEN
UADD6:0
(0xE2)
UDIEN
-
UPRSME
EORSME
WAKEUPE
EORSTE
SOFE
MSOFE
SUSPE
(0xE1)
UDINT
-
UPRSMI
EORSMI
WAKEUPI
EORSTI
SOFI
MSOFI
SUSPI
(0xE0)
UDCON
-
-
-
-
RSTCPU
LSM
RMWKUP
DETACH
(0xDF)
Reserved
(0xDE)
Reserved
(0xDD)
Reserved
(0xDC)
Reserved
(0xDB)
Reserved
(0xDA)
USBINT
-
-
-
-
-
-
-
VBUSTI
(0xD9)
USBSTA
-
-
-
-
-
-ID
VBUS
(0xD8)
USBCON
USBE
-
FRZCLK
OTGPADE
-
-
-
VBUSTE
(0xD7)
UHWCON
-
-
-
-
-
-
-
UVREGE
(0xD6)
Reserved
(0xD5)
Reserved
(0xD4)
DT4
DT4H3
DT4H2
DT4H1
DT4H0
DT4L3
DT4L2
DT4L1
DT4L0
(0xD3)
Reserved
(0xD2)
OCR4D
Timer/Counter4 - Output Compare Register D
(0xD1)
OCR4C
Timer/Counter4 - Output Compare Register C
(0xD0)
OCR4B
Timer/Counter4 - Output Compare Register B
(0xCF)
OCR4A
Timer/Counter4 - Output Compare Register A
(0xCE)
UDR1
USART1 I/O Data Register
(0xCD)
UBRR1H
-
-
-
-
USART1 Baud Rate Register High Byte
(0xCC)
UBRR1L
USART1 Baud Rate Register Low Byte
(0xCB)
Reserved
-
-
-
-
-
-
-
-
(0xCA)
UCSR1C
UMSEL11
UMSEL10
UPM11
UPM10
USBS1
UCSZ11
UCSZ10
UCPOL1
(0xC9)
UCSR1B
RXCIE1
TXCIE1
UDRIE1
RXEN1
TXEN1
UCSZ12
RXB81
TXB81
(0xC8)
UCSR1A
RXC1
TXC1
UDRE1
FE1
DOR1
PE1
U2X1
MPCM1
(0xC7)
CLKSTA
-
-
-
-
-
-
RCON
EXTON
(0xC6)
CLKSEL1
RCCKSEL3
RCCKSEL2
RCCKSEL1
RCCKSEL0
EXCKSEL3
EXCKSEL2
EXCKSEL1
EXCKSEL0
(0xC5)
CLKSEL0
RCSUT1
RCSUT0
EXSUT1
EXSUT0
RCE
EXTE
-CLKS
(0xC4)
TCCR4E
TLOCK4
ENHC4
OC4OE5
OC4OE4
OC4OE3
OC4OE2
OC4OE1
OC4OE0
(0xC3)
TCCR4D
FPIE4
FPEN4
FPNC4
FPES4
FPAC4
FPF4
WGM41
WGM40
(0xC2)
TCCR4C
COM4A1S
COM4A0S
COM4B1S
COM4B0S
COM4D1S
COM4D0S
FOC4D
PWM4D
(0xC1)
TCCR4B
PWM4X
PSR4
DTPS41
DTPS40
CS43
CS42
CS41
CS40
(0xC0)
TCCR4A
COM4A1
COM4A0
COM4B1
COM4B0
FOC4A
FOC4B
PWM4A
PWM4B
(0xBF)
TC4H
-
-
-
-
-
Timer/Counter4 High Byte


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