ATMEGA8U2-AUR Atmel, ATMEGA8U2-AUR Datasheet - Page 307

• Manufacturer Part Number: ATMEGA8U2-AUR
• Description: MCU AVR 8K FLASH 16MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8U2-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: 8KB (4K 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: -

vi
ATmega8U2/16U2/32U2
25 Memory Programming ......................................................................... 246
26 Electrical Characteristics .................................................................... 264
27 Typical Characteristics ........................................................................ 273
28 Register Summary ............................................................................... 288
29 Instruction Set Summary .................................................................... 292
30 Ordering Information ........................................................................... 294
25.1Program And Data Memory Lock Bits .................................................................246
25.2Fuse Bits .............................................................................................................247
25.3Signature Bytes ...................................................................................................249
25.4Calibration Byte ...................................................................................................249
25.5Page Size ............................................................................................................249
25.6Parallel Programming Parameters, Pin Mapping, and Commands .....................250
25.7Parallel Programming ..........................................................................................252
25.8Serial Downloading .............................................................................................259
25.9Serial Programming Pin Mapping ........................................................................259
26.1Absolute Maximum Ratings* ...............................................................................264
26.2DC Characteristics ..............................................................................................264
26.3Speed Grades .....................................................................................................266
26.4Clock Characteristics ...........................................................................................266
26.5System and Reset Characteristics ......................................................................267
26.6External Interrupts Characteristics ......................................................................268
26.7SPI Timing Characteristics ..................................................................................269
26.8Hardware Boot EntranceTiming Characteristics ..................................................270
26.9Parallel Programming Characteristics .................................................................270
27.1Active Supply Current ..........................................................................................273
27.2Idle Supply Current ..............................................................................................274
27.3Power-down Supply Current ...............................................................................275
27.4Pin Pull-Up ..........................................................................................................277
27.5Pin Driver Strength ..............................................................................................278
27.6Pin Threshold and Hysteresis .............................................................................280
27.7BOD Threshold ....................................................................................................281
27.8Internal Oscilllator Speed ....................................................................................283
27.9Current Consumption of Peripheral Units ............................................................286
27.10Current Consumption in Reset and Reset Pulsewidth ......................................287
7799D–AVR–11/10