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ATMEGA8U2_1

更新时间： 2024-09-21 11:55:43
品牌 Logo 应用领域
爱特美尔 - ATMEL 微控制器
页数 文件大小 规格书
21页 341K
描述
8-bit Microcontroller with 8/16/32K Bytes of ISP Flash and USB Controller

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中文翻译

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ATMEGA8U2_1 数据手册

 浏览型号ATMEGA8U2_1的Datasheet PDF文件第2页浏览型号ATMEGA8U2_1的Datasheet PDF文件第3页浏览型号ATMEGA8U2_1的Datasheet PDF文件第4页浏览型号ATMEGA8U2_1的Datasheet PDF文件第5页浏览型号ATMEGA8U2_1的Datasheet PDF文件第6页浏览型号ATMEGA8U2_1的Datasheet PDF文件第7页 
Features  
• 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  
8-bit  
Microcontroller  
with  
– 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:  
8/16/32K Bytes  
of ISP Flash  
and USB  
IN or Out Directions  
Controller  
Bulk, Interrupt and IsochronousTransfers  
Programmable maximum packet size from 8 to 64 bytes  
Programmable single or double buffer  
– Suspend/Resume Interrupts  
ATmega8U2  
ATmega16U2  
ATmega32U2  
– Microcontroller reset on USB Bus Reset without detach  
– USB Bus Disconnection on Microcontroller Request  
• Peripheral Features  
– One 8-bit Timer/Counters with Separate Prescaler and Compare Mode (two 8-bit  
PWM channels)  
– One 16-bit Timer/Counter with Separate Prescaler, Compare and Capture Mode  
(three 8-bit PWM channels)  
– USART with SPI master only mode and hardware flow control (RTS/CTS)  
– Master/Slave SPI Serial Interface  
– Programmable Watchdog Timer with Separate On-chip Oscillator  
– On-chip Analog Comparator  
– Interrupt and Wake-up on Pin Change  
• On Chip Debug Interface (debugWIRE)  
• Special Microcontroller Features  
Summary  
– Power-On Reset and Programmable Brown-out Detection  
– Internal Calibrated Oscillator  
– External and Internal Interrupt Sources  
– Five Sleep Modes: Idle, Power-save, Power-down, Standby, and Extended Standby  
• I/O and Packages  
– 22 Programmable I/O Lines  
– QFN32 (5x5mm) / TQFP32 packages  
• Operating Voltages  
– 2.7 - 5.5V  
• Operating temperature  
– Industrial (-40°C to +85°C)  
• Maximum Frequency  
– 8 MHz at 2.7V - Industrial range  
– 16 MHz at 4.5V - Industrial range  
Note:  
1. See “Data Retention” on page 6 for details.  
7799CS–AVR–12/09  
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