ATMEGA32U2-AU Part Information

Details for ATMEGA32U2-AU by Microchip Technology

ATmega32U2

Part Description

The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 32KB ISP flash memory with read-while-write capabilities, 1KB EEPROM, 1KB SRAM, 22 general purpose I/O lines, 32 general purpose working registers, two flexible timer/counters with compare modes and PWM, USART, programmable watchdog timer with internal oscillator, SPI serial port, debugWIRE interface for on-chip debugging and programming, and five software selectable power saving modes. The device operates between 2.7-5.5 volts. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.

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Part Features

  • USB 2.0 Full-speed Device Module with Interrupt on Transfer Completion
  • Complies fully with Universal Serial Bus Specification REV 2.0
  • 48 MHz PLL for Full-speed Bus Operation : data transfer rates at 12 Mbit/s
  • Fully independant 176 bytes USB DPRAM for endpoint memory allocation
  • Endpoint 0 for Control Transfers: from 8 up to 64-bytes
  • 4 Programmable Endpoints:
  • IN or Out Directions
  • Bulk, Interrupt and IsochronousTransfers
  • Programmable maximum packet size from 8 to 64 bytes
  • Programmable single or double buffer
  • Suspend/Resume Interrupts
  • Microcontroller reset on USB Bus Reset without detach
  • USB Bus Disconnection on Microcontroller Request

Part Specifications

Part Family AVR_USB_ATmegaU2
Part Prefix ATmega
Architecture 8
Core 8-bit AVR
MaxSpeed (MHz) 16
CPU Type 8-bit AVR
CPU Speed (MIPS/DMIPS) 16
Program Memory Type Flash
SelfWrite Yes
Program Memory Size (KB) 32
Program Memory Size (KWords) 16
Multiple Flash Panels True
Secure Bootloader (CodeGuard™ Security) None
RAM (KB) 1024
Data EEPROM (bytes) 1024
Temp. Range Min. -40
Temp. Range Max. 85
Operation Voltage Min.(V) 2.7
Operation Voltage Max.(V) 5.5
Max I/O Pins 22
Pin Count 32
Brown Out Reset (BOR) Programmable BOR
Power On Reset (POR) Yes
Internal Voltage Reference (Bandgap) Yes
Internal Oscillator Yes
Number of Comparators 1
Max ADC Sample/Hold (S/H) 1
Standard UART 1
SPI™ 2
Max 8 Bit Digital Timers 1
Max 16 Bit Digital Timers 1
Watch Dog Timers (WDT) Yes
Timers 2
Stand alone PWM 4
Capture/Compare/PWM (CCP) 1
Standalone Output Compare/ Standard PWM 5
Input Capture 1
Max # PWM outputs (including complementary outputs) 4
Output Compare Channels 5
Number of USB Modules 1
USB Interface Full Speed
Type of CAN module None
Ethernet None
Integrated Wireless Frequency None
Wireless Technology None
JTAG None
Debug Interface debugWIRE
Temperature Range -40C to +85C

Alternative Part Descriptions

  • MCU, AVR, 8-BIT, 32K Flash, USB, 32TQFP | RS Components
  • Product Range:-; Architecture:megaAVR; MCU Core Size:8bit; Program Memory Size:32KB; RAM Memory Size:1KB; CPU Speed:16MHz; No. of I/O s:22I/O s; MCU Case Style:TQFP; No. of Pins:32Pins; Embedded Interface Type:I2C, SPI, UART, USART RoHS Compliant: Yes | Newark Electronics
  • MCU 8-bit ATmega AVR RISC 32KB Flash 3.3V/5V 32-Pin TQFP | Avnet America
  • MCU 8-bit ATmega AVR RISC 32KB Flash 3.3V/5V 32-Pin TQFP | Avnet Europe
  • ATmega Series 32 KB Flash 1 KB SRAM 16 MHz 8-Bit Microcontroller - TQFP-32 | Future Electronics

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