Renesas RX111超低功耗32位MCU入门开发方案

Renesas公司的RX111系列产品是超低功耗32位RX MCU,CPU核的工作频率32MHz,具有50DMIPS性能,集成了USB连接,8kB数据闪存,DAC和通信信道,工作电压1.8V-3.6V,主要用在家用电器,建筑物自动化和储存与存储器.本文介绍了RX111系列产品主要特性,框图, RX111入门套件主要特性,框图和调试连接框图,电路图以及元件布局图.
The RX111 group offers ultra low power operation, a fast wake-up time, safety features and more. The RX111 adds USB connectivity, 8KB data Flash, a DAC, and communication channels. Pin counts in the RX111 series are as low as 36 pins and the on-chip Flash memory is from 16KB to up to 128KB.
RX111系列产品主要特性:
■ 32-bit RX CPU core
 32 MHz maximum operating frequency Capable of 50 DMIPS when operating at 32 MHz
 Accumulator handles 64-bit results (for a single instruction) from 32-bit × 32-bit operations
 Multiplication and division unit handles 32-bit × 32-bit operations (multiplication instructions take one CPU clock cycle)
 Fast interrupt
 CISC Harvard architecture with five-stage pipeline
 Variable-length instruction format, ultra-compact code
 On-chip debugging circuit
■ Low power consumption functions
 Operation from a single 1.8 to 3.6 V supply
 Three low power consumption modes
■ On-chip flash memory for code, no wait states
 Operation at 32 MHz, read cycle of 31.25 ns
 No wait states for reading at full CPU speed
 16 to 128 Kbyte capacities
 Programmable at 1.8 V
 For instructions and operands
■ On-chip data flash memory
 8 Kbytes 1,000,000 Erase/Write cycles (typ.)
 BGO (Background Operation)
■ On-chip SRAM, no wait states
 8 to 16 Kbyte capacities
■ Data transfer controller (DTC)
 Four transfer modes
 Transfer can be set for each interrupt source.
■ Event link controller (ELC)
 Module operation can be initiated by event...