Microchip和Digilent dsPIC33F Cerebot MC7马达控制方案

Microchip公司的dsPIC33F系列是高性能16位数字信号控制器（DSC），采用改进的哈佛架构，高达40MIPS，16位数据通路，24位指令，工作电压3.0-3.6V，主要用在各种马达控制如无刷DC马达，单相和三相马达与开关磁阻电动机。此外也可用在UPS，逆变器，开关电源，功率因素修正以及服务器，通信设备和其它工业设备的电源管理模块。本文介绍了dsPIC33F主要特性，方框图以及Cerebot MC7马达控制板主要特性，方框图和电路图。
The dsPIC33FJXXXMCX06A/X08A/X10A family of devices supports a variety of motor control applications, such as brushless DC motors, single and 3-phase induction motors and switched reluctance motors. The dsPIC33F Motor Control products are also well-suited for Uninterrupted Power Supply (UPS), inverters, Switched mode power supplies, power factor correction and also for controlling the power management module in servers, telecommunication equipment and other industrial equipment.
dsPIC33F主要特性：
Operating Range:
• Up to 40 MIPS operation (@ 3.0-3.6V):
- Industrial temperature range (-40 ℃ to +85℃)
- Extended temperature range (-40℃ to +125℃)
• Up to 20 MIPS operation (@ 3.0-3.6V):
- High temperature range (-40℃ to +150℃)
High-Performance DSC CPU:
• 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
• 83 base instructions: mostly 1 word/1 cycle
• Two 40-bit accumulators:
- With rounding and saturation options
• Flexible and powerful addressing modes:
- Indirect, Modulo and Bit-Reversed
• Software stack
• 16 x 16 fractional/integer multiply operations
• 32/16 and 16/16 divide operations
• Single-cycle multiply and accumulate:
- Accumulator write back for DSP operations
- Dual data fetch
• Up to ±16-bit shifts for up to 40-bit data<...