ATMEGA32U4RC-MU(2016) Просмотр технического описания (PDF) - Atmel Corporation

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ATMEGA32U4RC-MU
(Rev.:2016)

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

Atmel Corporation 

ATmega16U4/ATmega32U4

8-bit Microcontroller with 16/32K bytes of ISP Flash and

USB Controller

DATASHEET

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 16MHz

– On-Chip 2-cycle Multiplier

• Non-volatile Program and Data Memories

– 16/32KB of In-System Self-Programmable Flash

– 1.25/2.5KB Internal SRAM

– 512Bytes/1KB 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

Parts using external XTAL clock are pre-programed 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 12Mbit/s and 1.5Mbit/s

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

– Six 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

– Fully independent 832 bytes USB DPRAM for endpoint memory allocation

– Suspend/Resume Interrupts

– CPU Reset possible on USB Bus Reset detection

– 48MHz from PLL for Full-speed Bus Operation

– USB Bus Connection/Disconnection on Microcontroller Request

– Crystal-less operation for Low Speed mode

• Peripheral Features

– On-chip PLL for USB and High Speed Timer: 32 up to 96MHz operation

– One 8-bit Timer/Counter with Separate Prescaler and Compare Mode

Atmel-7766J-USB-ATmega16U4/32U4-Datasheet_04/2016

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