AT90USB646 带有64K ISP Flash存储器

Flash (Kbytes)	64
EEPROM (Kbytes)	2
SRAM (Kbytes)	2096
F.max (MHz)	48
绿色封装	QFN 64

64-Kbyte self-programming Flash Program Memory, 8-Kbyte SRAM, 4-Kbyte EEPROM, 8 Channel 10-bit A/D-converter. JTAG interface for on-chip-debug. Up to 16 MIPS throughput at 16 MHz. 2.7 - 5.5 Volt operation.

• 64KB 系统内可编程Flash存储器 ：AT90USB646
• 64KB 系统内可编程Flash存储器 ：AT90USB647
• 128KB 系统内可编程Flash存储器 ： AT90USB1286
• 128KB 系统内可编程Flash存储器 ： AT90USB1287

The ATmega32U6/AT90USB64/128 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, theATmega32U6/AT90USB64/128 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

AT90USB646 特性

• 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 16 MHz
  – On-Chip 2-cycle Multiplier
• Non-volatile Program and Data Memories
  – 32/64/128K Bytes of In-System Self-Programmable Flash
• Endurance: 100,000 Write/Erase Cycles
  – Optional Boot Code Section with Independent Lock Bits
• USB Bootloader programmed by default in the Factory
• 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
  – 1K/2K/4K (32K/64K/128K Flash version) Bytes EEPROM
• Endurance: 100,000 Write/Erase Cycles
  – 2.5K/4K/8K (32K/64K/128K Flash version) Bytes Internal SRAM
  – Up to 64K Bytes Optional External Memory Space
  – 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 and On-The-Go Module
  – Complies fully with:
  – Universal Serial Bus Specification REV 2.0
  – On-The-Go Supplement to the USB 2.0 Specification Rev 1.0
  – Supports data transfer rates up to 12 Mbit/s and 1.5 Mbit/s
• USB Full-speed/Low Speed Device Module with Interrupt on Transfer Completion
  – Endpoint 0 for Control Transfers : up to 64-bytes
  – 6 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 independant 832 bytes USB DPRAM for endpoint memory allocation
  – Suspend/Resume Interrupts
  – Power-on Reset and USB Bus Reset
  – 48 MHz PLL for Full-speed Bus Operation
  – USB Bus Disconnection on Microcontroller Request
• USB OTG Reduced Host :
  – Supports Host Negotiation Protocol (HNP) and Session Request Protocol (SRP)
  for OTG dual-role devices
  – Provide Status and control signals for software implementation of HNP and SRP
  – Provides programmable times required for HNP and SRP
• Peripheral Features
  – Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
  – Two16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode– Real Time Counter with Separate Oscillator
  – Four 8-bit PWM Channels
  – Six PWM Channels with Programmable Resolution from 2 to 16 Bits
  – Output Compare Modulator
  – 8-channels, 10-bit ADC
  – Programmable Serial USART
  – Master/Slave SPI Serial Interface
  – Byte Oriented 2-wire Serial Interface
  – Programmable Watchdog Timer with Separate On-chip Oscillator
  – On-chip Analog Comparator
  – Interrupt and Wake-up on Pin Change
• Special Microcontroller Features
  – Power-on Reset and Programmable Brown-out Detection
  – Internal Calibrated Oscillator
  – External and Internal Interrupt Sources
  – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
• I/O and Packages
  – 48 Programmable I/O Lines
  – 64-lead TQFP and 64-lead QFN
• 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

AT90USB646 订购型号

Ordering Code	USB interface	Speed (MHz)	Power Supply (V)	Package	Operation Range	Product Marking
AT90USB646-16MU	Device only	8-16	2.7 - 5.5	PS	Industrial (-40° to +85°C) Green	90USB646-16MU

AT90USB646 应用技术支持与电子电路设计开发资源下载

1. ATMEL 爱特梅尔USB 微控制器AT90USB646 数据手册DataSheet 下载. PDF(完整版）
2. ATMEL 爱特梅尔USB 微控制器AT90USB646 数据手册DataSheet 下载. PDF（简洁版）
3. 使用USB 定时/计数器的PWM功能设计要点 .PDF (编号:Tech USB 00045)
4. Atmel 爱特梅尔USB 微控制器简介.PDF (编号:Tech USB 00047)
5. ATMEL 爱特梅尔公司全线产品目录. pdf