ATMEGA16U2-MU Atmel, ATMEGA16U2-MU Datasheet - Page 288

• Manufacturer Part Number: ATMEGA16U2-MU
• Description: MCU AVR 16K FLASH USB 32-VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA16U2-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Core: AVR8
• Processor Series: ATMEGA16x
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Data Ram Size: 1.25 KB
• Data Rom Size: 512 B
• Number Of Programmable I/os: 22
• Number Of Timers: 2
• Mounting Style: SMD/SMT
• Height: 0.95 mm
• Interface Type: SPI, UART
• Length: 5 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 5 mm
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

28. Register Summary
7799D–AVR–11/10
Address
(0xFD)
(0xFC)
(0xEE)
(0xED)
(0xEC)
(0xEB)
(0xEA)
(0xDF)
(0xDE)
(0xDD)
(0xDC)
(0xDB)
(0xDA)
(0xCF)
(0xCE)
(0xCD)
(0xCC)
(0xCB)
(0xCA)
(0xFF)
(0xFE)
(0xFB)
(0xFA)
(0xF9)
(0xF8)
(0xF7)
(0xF6)
(0xF5)
(0xF4)
(0xF3)
(0xF2)
(0xF1)
(0xF0)
(0xEF)
(0xE9)
(0xE8)
(0xE7)
(0xE6)
(0xE5)
(0xE4)
(0xE3)
(0xE2)
(0xE1)
(0xE0)
(0xD9)
(0xD8)
(0xD7)
(0xD6)
(0xD5)
(0xD4)
(0xD3)
(0xD2)
(0xD1)
(0xD0)
(0xC9)
(0xC8)
(0xC7)
(0xC6)
(0xC5)
(0xC4)
(0xC3)
(0xC2)
(0xC1)
(0xC0)
(0xBF)
UDFNUMH
UDFNUML
UECFG1X
UECFG0X
UESTA1X
UESTA0X
CLKSEL1
CLKSEL0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UECONX
Reserved
UDADDR
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
USBCON
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UEBCLX
UEDATX
UBRR1H
UCSR1D
UCSR1C
UCSR1B
UCSR1A
CLKSTA
UBRR1L
Name
UEIENX
UENUM
UEINTX
UDMFN
UDCON
UERST
UDIEN
UDINT
UPOE
UEINT
UDR1
RCCKSEL3
UMSEL11
FIFOCON
FLERRE
RCSUT1
UPWE1
RXCIE1
CFGOK
ADDEN
Bit 7
USBE
RXC1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EPTYPE1:0
RCCKSEL2
UMSEL10
UPRSME
RCSUT0
UPRSMI
UPWE0
NAKINE
OVERFI
NAKINI
TXCIE1
Bit 6
TXC1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RCCKSEL1
EPSIZE2:0
STALLRQ
UNDERFI
EORSME
UPDRV1
EORSMI
FRZCLK
EXSUT1
UDRIE1
UDRE1
UPM11
Bit 5
RWAL
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
USART1 Baud Rate Register Low Byte
STALLRQC
RCCKSEL0
WAKEUPE
NAKOUTE
WAKEUPI
NAKOUTI
FNCERR
UPDRV0
EXSUT0
RPUTX
UPM10
RXEN1
USART1 I/O Data Register
Bit 4
FE1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FNUM7:0
BYCT7:0
DAT7:0
EXCKSEL3
EORSTE
RXSTPE
EORSTI
RXSTPI
UADD6:0
RSTDT
USBS1
TXEN1
Bit 3
DOR1
SCKI
RCE
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DTSEQ1:0
EPBK1:0
USART1 Baud Rate Register High Byte
EXCKSEL2
CTRLDIR
RXOUTE
RSTCPU
EPRST4:0
RXOUTI
UCSZ11
UCSZ12
EPINT4:0
ATmega8U2/16U2/32U2
Bit 2
DATAI
SOFE
EXTE
SOFI
PE1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
STALLEDE
EXCKSEL1
STALLEDI
RMWKUP
EPNUM2:0
FNUM10:8
UCSZ10
CTSEN
ALLOC
RXB81
RCON
Bit 1
U2X1
DPI
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NBUSYBK1:0
CURRBK1:0
EXCKSEL0
DETACH
UCPOL1
MPCM1
SUSPE
EXTON
RTSEN
EPDIR
SUSPI
TXB81
Bit 0
TXINE
EPEN
CLKS
TXINI
DMI
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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page 210
page 209
page 195
page 167
page 171
page 171
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page 169
page 168
page 167
page 38
page 38
page 37
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