ATMEGA16U2-MU

8位微控制器 -MCU AVR USB 8K FLASH AVR USB 16K FLASH

8-bit  Microcontroller  with  8/16/32K Bytes  of ISP Flash  and USB  Controller

Overview ATMEGA16U2-MU

The ATMEGA16U2-MU ATmega8U2/16U2/32U2 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega8U2/16U2/32U2 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features ATMEGA16U2-MU

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

• Advanced RISC Architecture

– 125 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

• Non-volatile Program and Data Memories

– 8K/16K/32K Bytes of In-System Self-Programmable Flash

– 512/512/1024 EEPROM

– 512/512/1024 Internal SRAM

– 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 hardware-activated after

reset

True Read-While-Write Operation

– Programming Lock for Software Security

• 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

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