ATMEGA16U2-AUR Atmel, ATMEGA16U2-AUR Datasheet - Page 212
![MCU AVR 8K FLASH 16MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA16U2-AUR
Manufacturer Part Number
ATMEGA16U2-AUR
Description
MCU AVR 8K FLASH 16MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA16U2-AUR
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-TQFP, 32-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
- Current page: 212 of 309
- Download datasheet (6Mb)
21.18.4
7799D–AVR–11/10
UDADDR – USB Device Address Register
• Bit 5 – EORSME: End Of Resume Interrupt Enable Bit
Writing this bit to one enables interrupt on EORSMI flag. An end of resume Upstream resume
interrupt will be generated only if the EORSME bit is set to one, the Global Interrupt Flag in
SREG is written to one, and the EORSMI bit is set.
• Bit 4 – WAKEUPE: Wake-up CPU Interrupt Enable Bit
Writing this bit to one enables interrupt on WAKEUPI flag. A wake-up interrupt will be generated
only if the WAKEUPE bit is set to one, the Global Interrupt Flag in SREG is written to one, and
the WAKEUPI bit is set.
• Bit 3 – EORSTE: End Of Reset Interrupt Enable Bit
Writing this bit to one enables interrupt on EORSTI flag. A USB reset interrupt will be generated
only if the EORSTE bit is set to one, the Global Interrupt Flag in SREG is written to one, and the
EORSTI bit is set.
• Bit 2 – SOFE: Start Of Frame Interrupt Enable Bit
Writing this bit to one enables interrupt on SOFI flag. A Start of Frame USB reset interrupt will be
generated only if the SOFE bit is set to one, the Global Interrupt Flag in SREG is written to one,
and the SOFI bit is set.
• Bit 1 – Res: Reserved
This bit is reserved and will always read as zero.
• Bit 0 – SUSPE: Suspend Interrupt Enable Bit
Writing this bit to one enables interrupt on SUSPI flag. A suspend interrupt will be generated
only if the SUSPE bit is set to one, the Global Interrupt Flag in SREG is written to one, and the
SUSPI bit is set.
• Bit 7 – ADDEN: Address Enable Bit
Writing this bit to one will enable the UADD[6:0] field as device address for the USB controller.
When this bit is set the USB device controller will be able to answer all requests on the USB that
refer to the UADD[6:0] USB bus address.
See
• Bits 6:0 – UADD[6:0]: USB Address Bits
These bits contain the USB device address, thatthe USB controller should answer on the USB
bus. This address should be enabled writing one to the ADDEN bit.
Bit
(0xE3)
Read/Write
Initial Value
“Address Setup” on page 199
ADDEN
R/W
7
0
R
6
0
R
5
0
for more details.
R
4
0
UADD[6:0]
ATmega8U2/16U2/32U2
R
3
0
R
2
0
R
1
0
R
0
0
UDADDR
212
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