Microchip Technology ATmega32U4 8-bit Microcontroller (MCU) with USB Controller is a low-power, AVR® RISC-based device featuring 32KB self-programming flash program memory, 2.5KB SRAM, 1KB EEPROM, USB 2.0 full-speed/low-speed device module, 12-channel, 10-bit analog-to-digital converter, and JTAG interface for on-chip-debug. This Microchip device achieves up to 16 MIPS throughput at 16MHz and 2.7 to 5.5V operation. By executing powerful instructions in a single clock cycle, Microchip ATmega32U4 MCU achieves throughputs approaching 1MIPS per MHz, allowing you to optimize power consumption versus processing speed.

Features:

·       High Performance, Low Power AVR® 8-Bit Microcontroller

·       Advanced RISC Architecture

·       135 Powerful Instructions Most Single Clock Cycle Execution

·       32 x 8 General Purpose Working Registers

·       Fully Static Operation

·       Up to 16 MIPS Throughput at 16 MHz

·       On-Chip 2-cycle Multiplier

·       Non-volatile Program and Data Memories

·       32K Bytes of In-System Self-Programmable Flash

·       2.5K Bytes Internal SRAM

·       1K Bytes Internal EEPROM

·       Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

·       Data retention: 20 years at 85°C/ 100 years at 25°C(1)

·       Optional Boot Code Section with Independent Lock Bits

·       In-System Programming by On-chip Boot Program

·       True Read-While-Write Operation

·       All supplied parts are preprogrammed with a default USB bootloader

·       Programming Lock for Software Security

·       JTAG (IEEE std. 1149.1 compliant) Interface

·       Boundary-scan Capabilities According to the JTAG Standard

·       Extensive On-chip Debug Support

·       Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface

·       USB 2.0 Full-speed/Low-Speed Device Module with Interrupt on Transfer Completion

·       Complies fully with Universal Serial Bus Specification Rev 2.0

·       Supports data transfer rates up to 12 Mbit/s and 1.5 Mbit/s

·       Endpoint 0 for Control Transfers: up to 64-bytes

·       6 Programmable Endpoints with IN or Out Directions and with Bulk, Interrupt or Isochronous Transfers

·       Configurable Endpoints size up to 256 bytes in double bank mode

Applications:

·       Sensors for industrial automation

·       PC peripherals

·       PC accessories

·       Small I/O devices