ATMEGA8U2-MU Atmel, ATMEGA8U2-MU Datasheet - Page 307

• Manufacturer Part Number: ATMEGA8U2-MU
• Description: MCU AVR 8K FLASH USB 32-VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8U2-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: 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-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Processor Series: ATMEGA8x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SPI, UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525
• Minimum Operating Temperature: - 40 C
• Package: 32QFN EP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3|5 V
• 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

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