RenesasRX62T马达控制解决方案(YMCRPRX62T).docx

Renesas RX62T马达控制解决方案(YMCRPRX62T)关键字：工业控制,马达控制,工业自动化,办公设备Renesas公的RX62T是采用100-MHz 32位RX MCU,工作频率高达100MHz,100MHz时性能为165DMIPS,具有单精度32位IEEE-754浮点,累加器能从32x32位运算中处理64位结果,乘法和除法单元能处理32x32位运算,具有快速中断功能,集成了12位ADC,100MHz PWM,工作电压3.3V或5V,主要用于家用电器,工业自动化,办公设备,音频设备和消费类电子产品等.本文介绍了RX62T系列主要特性,方框图,RX62T马达控制评估套件的性能和功能,技术特性和完整的电路图.?RX62T系列主要特性:■ 32-bit RX CPU core Max. operating frequency: 100 MHz Capable of 165 DMIPS in operation at 100 MHz Single precision 32-bit IEEE-754 floating point Accumulator handles 64-bit results (for a single instruction) from 32- × 32-bit operations Multiplication and division unit handles 32- × 32-bit operations (multiplication instructions take one CPU clock cycle) Fast interrupt Divider (fastest instruction execution takes two CPU clock cycles) Fast interrupt CISC Harvard architecture with 5-stage pipeline Variable-length instructions: Ultra-compact code Background JTAG debugging plus high-speed tracing■ Operating voltage Single 3.3- or 5-V supply; 5-V analog supply is possible with 3.3-V products■ Low-power design and architecture Four low-power modes■ On-chip main flash memory, no wait states? 100-MHz operation, 10-ns read cycle No wait states for reading at full CPU speed 64-Kbyte/128-Kbyte/256-Kbyte capacities For instructions and operands User code programmable via the SCI or JTAG■ On-chip data flash memory Max. 32 Kbytes, reprogrammable up to 30,000 times Erasing and programming impose no load on the CPU.■ On-chip SRAM, no wait states 8-Kbyte/16-Kbyte SRAM For instructions and operands■ DMA DTC: The single unit is capable of transfer on multiple channels■ Reset and supply management Power-on reset (POR) Low voltage detection (LVD) with voltage settings■ Clock functions External crystal oscillator or internal PLL for operation at 8 to 12.5 MHz Internal 125-kHz LOCO for the IWDT Detection of main oscillator stoppage (for IEC 60730 compliance)■ Independent watchdog timer (for IEC60730compliance) 125-kHz LOCO clock operation Software is incapable of st