AT90USB1287-MU

The AT90USB1287-MU is a low-power 8-bit CMOS Microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the AT90USB128 achieves throughputs approaching 1MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. The AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the arithmetic logic unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers. The AT90USB128 provides 128kB ISP flash memory with read-while-write capabilities, 4kB EEPROM, 8kB SRAM and 48 programmable I/O lines. The device is manufactured using the high-density non-volatile memory technology.

• Advanced RISC architecture
• 135 Powerful instructions most single clock cycle execution
• 32 x 8 general purpose working registers
• Fully static operation
• Up to 16MIPS throughput at 16MHz
• On-chip 2-cycle multiplier
• JTAG (IEEE std. 1149.1 compliant) interface
• USB 2.0 full speed/low-speed device and on-the-go module
• USB full-speed/low speed device module with interrupt on transfer completion
• USB OTG reduced host
• Two 8-bit timers/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-channel, 10-bit ADC
• Programmable serial USART
• Serial peripheral interface (SPI)
• Byte oriented 2-wire serial interface
• Programmable watchdog timer with separate on-chip oscillator
• On-chip analogue comparator
• Interrupt and wake-up on pin change
• Power-on reset and programmable brown-out detection
• Six sleep modes - idle, ADC noise reduction, power-save, power-down, standby and extended standby

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