Renesas RX62T 32位MCU低成本马达控制方案

Renesas公司的RX62T系列是高性能32位微控制器,最大工作频率100MHz,具有FPU和165 DMIPS,集成了多功能定时器(MTU,GPT),高速12位ADC和10位ADC,256KB闪存,16KB RAM,单电源3.3V或5V工作,设计用于马达控制.本文介绍了RX62T主要特性,框图,低成本马达控制板YROTATE-IT-RX62T主要功能,无传感器FOC算法框图和详细电路图,材料清单,PCB元件布局图和设计文件.
The RX62T Group of high-performance microcontrollers with a maximum operating frequency of 100MHz are designed for motor control. They are equipped with multifunction timers (MTU, GPT), high-speed 12-bit A/D converter, and 10-bit A/D converter for facilitating motor control.
The products also incorporate many safety features to comply with the IEC60730 safety standard for home appliances. In addition to a maximum of 256KB flash and 16KB RAM on-chip memory, they have a maximum of 32KB of on-chip flash memory for data storage. 64-pin to 112-pin packages are available.
RX62T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 singleinstruction) from 32- × 32-bit operations
 Multiplication and division unit handles 32- × 32-bitoperations (multiplication instructions take one CPUclock cycle)
 Fast interrupt
 Divider (fastest instruction execution takes two CPUclock cycles)
 Fast interrupt
 CISC Harvard architecture with 5-stage pipeline
 Variable-length instructions: Ultra-compact code
 Supports the memory protection unit (MPU)
 Background JTAG debugging plus high-speed tracing
■ Operating voltage
 Single 3.3- or 5-V supply; 5-V analog supply is possiblewith 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