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ATMEGA16U4_08 Datasheet, PDF (1/21 Pages) ATMEL Corporation – 8-bit Microcontroller with 16/32K Bytes of ISP Flash and USB Controller | |||
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Features
⢠High Performance, Low Power AVR® 8-Bit Microcontroller
⢠Advanced RISC Architecture
â 135 Powerful Instructions â Most Single Clock Cycle Execution
â 32 x 8 General Purpose Working Registers
â Fully Static Operation
â Up to 16 MIPS Throughput at 16 MHz
â On-Chip 2-cycle Multiplier
⢠Non-volatile Program and Data Memories
â 16/32K Bytes of In-System Self-Programmable Flash
⢠Endurance: 100,000 Write/Erase Cycles
â 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
⢠All supplied parts are preprogramed with a default USB bootloader
â 1.25/2.5K Bytes Internal SRAM
â 512Bytes/1K Bytes Internal EEPROM
⢠Endurance: 100,000 Write/Erase Cycles
â Programming Lock for Software Security
⢠JTAG (IEEE std. 1149.1 compliant) Interface
â Boundary-scan Capabilities According to the JTAG Standard
â Extensive On-chip Debug Support
â 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
â Complies fully with Universal Serial Bus Specification Rev 2.0
â Supports data transfer rates up to 12 Mbit/s and 1.5 Mbit/s
â Endpoint 0 for Control Transfers: up to 64-bytes
â 6 Programmable Endpoints with IN or Out Directions and with Bulk, Interrupt or
Isochronous Transfers
â Configurable Endpoints size up to 256 bytes in double bank mode
â Fully independent 832 bytes USB DPRAM for endpoint memory allocation
â Suspend/Resume Interrupts
â CPU Reset possible on USB Bus Reset detection
â 48 MHz from PLL for Full-speed Bus Operation
â USB Bus Connection/Disconnection on Microcontroller Request
⢠Peripheral Features
â On-chip PLL for USB and High Speed Timer: 32 up to 96 MHz operation
â Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
â Two 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
â One 10-bit High-Speed Timer/Counter with PLL (64 MHz) and Compare Mode
â Four 8-bit PWM Channels
â Four PWM Channels with Programmable Resolution from 2 to 16 Bits
â Six PWM Channels for High Speed Operation, with Programmable Resolution from
2 to 11 Bits
â Output Compare Modulator
â 12-channels, 10-bit ADC (features Differential Channels with Programmable Gain)
â Programmable Serial USART with Hardware Flow Control
â Master/Slave SPI Serial Interface
8-bit
Microcontroller
with
16/32K Bytes of
ISP Flash
and USB
Controller
ATmega16U4
ATmega32U4
Preliminary
Summary
7766CSâAVRâ11/08
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