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ATmega16U4 PDF预览

ATmega16U4

更新时间： 2024-09-22 14:54:03
品牌 Logo 应用领域
美国微芯 - MICROCHIP /
页数 文件大小 规格书
438页 5479K
描述
The low power, high-performance Microchip 8-bit AVR? RISC-based microcontroller featuring 16 KB IS

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ATmega16U4 数据手册

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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 85C/ 100 years at 25C(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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