ATmega32U2 Atmel Corporation, ATmega32U2 Datasheet - Page 307

• Manufacturer Part Number: ATmega32U2
• Manufacturer: Atmel Corporation

Specifications of ATmega32U2

• Flash (kbytes): 32 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 22
• Ext Interrupts: 20
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 5
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

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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