Microchip dsPIC33E数字信号控制器USB入门开发方案

Microchip公司的dsPIC33E和PIC24E系列是高性能的16位数字信号控制器和位控制器，3.0V-3.6V时的性能高达60MIPS，MCU的CPU采用改进的哈佛架构，16位宽数据通路和24位宽指令，DSC的CPU具有11条附加指令，两个40位累加器，可进行16x16分数乘/除运算，双数据提取，单周期乘法和累加。支持高端的工业控制和通信应用，包括伺服马达控制，太阳能逆变器以及运行两个并联三相马达等。本文介绍了dsPIC33E和PIC24E系列主要特性，方框图和dsPIC33E USB入门套件主要特性，框图和电路图，PCB布局图。

dsPIC33E和PIC24E系列主要特性：

Operating Range:

• Up to 60 MIPS Operation (at 3.0V-3.6V):
- Industrial temperature range (-40℃ to +85℃)
- Extended temperature range (-40℃ to +125℃)

High-Performance MCU CPU: (All Devices)

• Modified Harvard Architecture
• C Compiler Optimized Instruction Set
• 16-bit Wide Data Path
• 24-bit Wide Instructions
• Linear Program Memory Addressing up to 4M Instruction Words
• Linear Data Memory Addressing up to 64 Kbytes
• 73 Base Instructions: mostly with an effective instruction execution throughput of one instruction per cycle
• Flexible and Powerful Indirect Addressing mode
• Software Stack
• 16x16 Integer Multiply Operations
• 32/16 and 16/16 Integer Divide Operations
• Up to ±16-bit Shifts

Additional High-Performance DSC CPU
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