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1、Microchip dsPIC33E系列DSC Explorer 16开发板解决方案关键字：工业控制,马达控制Microchip公司的dsPIC33E系列是集成了70 MIPS dsPIC DSC 核的数字信号控制器(DSC),集成了DSP和增强的片上外设,非常适合高性能的通用应用如控制无刷DC马达.永磁马达,步进马达和交流电机.本文介绍了dsPIC33E系列主要特性, dsPIC33E系列Explorer 16开发板主要特性和框图,电路图和材料清单.Microchips dsPIC33E family of digital signal controllers (DSCs) features
2、 a 70 MIPS dsPIC DSC core with integrated DSP and enhanced on-chip peripherals. These DSCs enable the design of high-performance, precision motor control systems that are more energy efficient, quieter in operation, have a great range and extended life. They can be used to control brushless DC, perm
3、anent magnet synchronous, AC induction and stepper motors. These devices are also ideal for high-performance general purpose applications.dsPIC33E系列主要特性:Operating Conditions3.0V to 3.6V, -40 to +85, up to 70 MIPS3.0V to 3.6V, -40 to +125, up to 60 MIPSCore: 16-Bit dsPIC33E CPUCode-Efficient (C and A
4、ssembly) ArchitectureTwo 40-Bit Wide AccumulatorsSingle-Cycle (MAC/MPY) with Dual Data FetchSingle-Cycle Mixed-Sign MUL plus Hardware Divide32-Bit Multiply SupportHigh-Speed PWMUp to 12 PWM Outputs (six generators)Primary Master Time Base Inputs allow Time Base Synchronization from Internal/External
5、 SourcesDead Time for Rising and Falling Edges7.14 ns PWM ResolutionPWM Support for:DC/DC, AC/DC, Inverters, PFC, LightingBLDC, PMSM, ACIM, SRMProgrammable Fault InputsFlexible Trigger Configurations for ADC ConversionsSupports PWM Lock, PWM Output Chopping and Dynamic Phase ShiftingAdvanced Analog
6、FeaturesTwo Independent ADC modules:Configurable as 10-bit, 1.1 Msps with four S&H or 12-bit, 500 ksps with one S&H11, 13, 18, 30 or 49 analog inputsFlexible and Independent ADC Trigger SourcesUp to Four Op Amp/Comparators with Direct Connection to the ADC module:Additional dedicated comparatorProgr
7、ammable references with 32 voltage pointsProgrammable blanking and filteringCharge Time Measurement Unit (CTMU):Supports mTouch capacitive touch sensingProvides high-resolution time measurement (1 ns)On-chip temperature measurementTimers/Output Compare/Input Capture21 General Purpose Timers:Nine 16-
8、bit and up to four 32-bit timers/countersEight output capture modules configurable as timers/countersPTG module with two configurable timers/countersTwo 32-bit Quadrature Encoder Interface (QEI) modules configurable as a timer/counterEight Input Capture modulesPeripheral Pin Select (PPS) to allow Fu
9、nction RemapPeripheral Trigger Generator (PTG) for Scheduling Complex SequencesCommunication InterfacesFour Enhanced Addressable UART modules (17.5 Mbps):With support for LIN/J2602 protocols and IrDAThree 3-Wire/4-Wire SPI modules (15 Mbps)25 Mbps Data Rate for Dedicated SPI module (with no PPS)Two
10、I2C modules (up to 1 Mbps) with SMBus SupportTwo ECAN modules (1 Mbps) CAN 2.0B SupportProgrammable Cyclic Redundancy Check (CRC)Codec Interface module (DCI) with I2S SupportDirect Memory Access (DMA)4-Channel DMA with User-Selectable Priority ArbitrationPeripherals Supported by the DMA Controller i
11、nclude:UART, SPI, ADC, ECAN and input captureOutput compare and timersExplorer 16开发板The Explorer 16 Development Board is a low-cost modular development system for Microchips 16-bit and 32-bit microcontrollers. It supports devices from the PIC24, dsPIC and PIC32 families. A variety of families are su
12、pported with processor Plug-In Modules (PIMs) for easy device swapping. The board includes a PICtail Plus daughter card connector for expansion boards including USB, CAN, Ethernet, wireless, graphics and many more. Coupled with the MPLAB ICD 3 In Circuit Debugger or MPLAB REAL ICE, real-time emulati
13、on and debug facilities speed evaluation and prototyping of application circuitry.图1. Explorer 16开发板外形图Explorer 16开发板主要特性:Includesprocessor PIMs for both PIC24 and dsPIC familiesAlpha-numeric 16 x 2 LCD displayInterfaces to MPLAB ICD 3, MPLAB REAL ICE and RS-232Includes Microchips TC1047A high accur
14、acy, analog output temperature sensorExpansion connector to access full devices pin-out and bread board prototyping areaPICTailTMPlus connector for expansion boardsFull documentation in download section below: users guide, schematics图2. Explorer 16开发板布局及主要特性图The boardincludes these key features, as
15、indicated in the diagram:1. 100-pin PIM riser, compatible with the PIM versions of selected Microchip PIC MCU and dsPIC DSC devices2. Direct 9 VDC power input that provides +3.3V and +5V (regulated) to the entire board3. Power indicator LED4. RS-232 serial port and associated hardware5. On-board analog thermal sensor6. No longer supported USB connectivity for communications and device programming/debugging7. Standard, 6-wire In-Circuit Debugger (ICD) connector for connections to an MPLAB ICD programmer/debugger module8. Hardware selection of PIM or soldered on-b
