MICROCHIP AT90USB646-AUR

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

• High performance, low power 8-bit Microcontroller
• Advanced RISC architecture
  • 135 powerful instructions
  • most single clock cycle execution
  • 32×8 general purpose working registers
  • Fully static operation
  • Up to 16MIPS throughput at 16MHz
  • On-chip 2-cycle multiplier
• Non-volatile program and data memories
  • 64/128Kbytes of in-system self-programmable flash
  • Endurance: 100,000 write/erase cycles
  • Optional Boot Code section with independent lock bits
  • USB boot loader 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 pre-programed with a default USB bootloader
  • 2K/4K (64K/128K flash version) bytes EEPROM
  • Endurance: 100,000 write/erase cycles
  • 4K/8K (64K/128K flash version) bytes internal SRAM
  • Up to 64Kbytes 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 12Mbit/s and 1.5Mbit/s
• USB full-speed/low speed device module with interrupt on transfer completion
  • 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 256bytes in double bank mode
  • Fully independent 832bytes USB DPRAM for endpoint memory allocation
  • Suspend/resume interrupts
  • Power-on reset and USB bus reset
  • 48MHz 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
  • Two 16-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℃ to +85℃)
• Maximum frequency
  • 8MHz at 2.7V - industrial range
  • 16MHz at 4.5V - industrial range