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主要方案厂商： atmel，cree， everlight， fairchild， infineon， liteon， microchip， mps， msilica， nsc，nxp， on， ti 【atmel - at90pwm2b， at90pwm3b】产品规格8 kbytes flash memory，10-channel advanced pwm，11-channel 8-bit adc，a 10-bit dac (at90pwm3b)，two or three 12-bit high speed psc (power stage controllers) with 4-bit resolution enhancement，dali protocol support.产品特性特别为了照明及马达控制等应用所开发产品应用 文字介绍该at90pwm2/2b/3/3b是一种低功耗cmos 8位以avr精简指令集(risc)为基础的微处理器。透过单一时钟周期单一指令，at90pwm2/2b/3/3b实现每mhz接近1 mips的处理能力，使研发人员能够在功耗与处理速度上做最佳化。

【atmel - attiny13】产品规格picopower technology avr microcontroller.1-kbyte in-system programmable flash program memory64-byte sram， 64-byte eeprom， 32-byte register file4-channel 10-bit a/d， up to 20 mips throughput at 20 mhz.one 8-bit timer/counter with prescaler and two pwm channelsoperating voltage: 1.8 - 5.5vindustrial temperature range产品特性• special microcontroller features– debugwire on-chip debug system– external and internal interrupt sources– low power idle， adc noise reduction， and power-down modes– enhanced power-on reset circuit– programmable brown-out detection circuit with software disable function– internal calibrated oscillator• low power consumption– active mo