原标题：Microchip dsPIC33E系列DSC Explorer 16开发板解决方案

　　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.

　　Microchip’s dsPIC33E family of digital signal controllers (DSCs) features 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, permanent 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 Conditions

　　3.0V to 3.6V, -40℃ to +85℃, up to 70 MIPS

　　3.0V to 3.6V, -40℃ to +125℃, up to 60 MIPS

　　Core: 16-Bit dsPIC33E CPU

　　Code-Efficient (C and Assembly) Architecture

　　Two 40-Bit Wide Accumulators

　　Single-Cycle (MAC/MPY) with Dual Data Fetch

　　Single-Cycle Mixed-Sign MUL plus Hardware Divide

　　32-Bit Multiply Support

　　High-Speed PWM

　　Up to 12 PWM Outputs (six generators)

　　Primary Master Time Base Inputs allow Time Base Synchronization from Internal/External Sources

　　Dead Time for Rising and Falling Edges

　　7.14 ns PWM Resolution

　　PWM Support for:

　　DC/DC, AC/DC, Inverters, PFC, Lighting

　　BLDC, PMSM, ACIM, SRM

　　Programmable Fault Inputs

　　Flexible Trigger Configurations for ADC Conversions

　　Supports PWM Lock, PWM Output Chopping and Dynamic Phase Shifting

　　Advanced Analog Features

　　Two Independent ADC modules:

　　Configurable as 10-bit, 1.1 Msps with four S&H or 12-bit, 500 ksps with one S&H

　　11, 13, 18, 30 or 49 analog inputs

　　Flexible and Independent ADC Trigger Sources

　　Up to Four Op Amp/Comparators with Direct Connection to the ADC module:

　　Additional dedicated comparator

　　Programmable references with 32 voltage points

　　Programmable blanking and filtering

　　Charge Time Measurement Unit (CTMU):

　　Supports mTouch™ capacitive touch sensing

　　Provides high-resolution time measurement (1 ns)

　　On-chip temperature measurement

　　Timers/Output Compare/Input Capture

　　21 General Purpose Timers:

　　Nine 16-bit and up to four 32-bit timers/counters

　　Eight output capture modules configurable as timers/counters

　　PTG module with two configurable timers/counters

　　Two 32-bit Quadrature Encoder Interface (QEI) modules configurable as a timer/counter

　　Eight Input Capture modules

　　Peripheral Pin Select (PPS) to allow Function Remap

　　Peripheral Trigger Generator (PTG) for Scheduling Complex Sequences

　　Communication Interfaces

　　Four Enhanced Addressable UART modules (17.5 Mbps):

　　With support for LIN/J2602 protocols and IrDA®

　　Three 3-Wire/4-Wire SPI modules (15 Mbps)

　　25 Mbps Data Rate for Dedicated SPI module (with no PPS)

　　Two I2C™ modules (up to 1 Mbps) with SMBus Support

　　Two ECAN™ modules (1 Mbps) CAN 2.0B Support

　　Programmable Cyclic Redundancy Check (CRC)

　　Codec Interface module (DCI) with I2S Support

　　Direct Memory Access (DMA)

　　4-Channel DMA with User-Selectable Priority Arbitration

　　Peripherals Supported by the DMA Controller include:

　　UART, SPI, ADC, ECAN and input capture

　　Output compare and timers

　　Explorer 16开发板

　　The Explorer 16 Development Board is a low-cost modular development system for Microchip’s 16-bit and 32-bit microcontrollers. It supports devices from the PIC24, dsPIC and PIC32 families. A variety of families are supported 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 emulation 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:

　　Includes processor PIMs for both PIC24 and dsPIC families

　　Alpha-numeric 16 x 2 LCD display

　　Interfaces to MPLAB ICD 3, MPLAB REAL ICE and RS-232

　　Includes Microchip’s TC1047A high accuracy, analog output temperature sensor

　　Expansion connector to access full devices pin-out and bread board prototyping area

　　PICTailTM Plus connector for expansion boards

　　Full documentation in download section below: user’s guide, schematics

　　图2. Explorer 16开发板布局及主要特性图

　　The boardincludes these key features, as indicated in the diagram:

　　1. 100-pin PIM riser, compatible with the PIM versions of selected Microchip PIC MCU and dsPIC DSC devices

　　2. Direct 9 VDC power input that provides +3.3V and +5V (regulated) to the entire board

　　3. Power indicator LED

　　4. RS-232 serial port and associated hardware

　　5. On-board analog thermal sensor

　　6. [No longer supported] USB connectivity for communications and device programming/debugging

　　7. Standard, 6-wire In-Circuit Debugger (ICD) connector for connections to an MPLAB ICD programmer/debugger module

　　8. Hardware selection of PIM or soldered on-board microcontroller

　　9. 2-line by 16-character LCD

　　10. Provisioning on PCB for add on graphic LCD

　　11. Push button switches for device Reset and user-defined inputs

　　12. Potentiometer for analog input

　　13. Eight indicator LEDs

　　14. 74HCT4053 multiplexers for selectable crossover configuration on serial communication lines

　　15. Independent crystals for precision microcontroller clocking (8 MHz) and RTCC operation (32.768 kHz)

　　16. Serial EEPROM

　　17. Prototype area for developing custom applications

　　18. Socket and edge connector for PICtail™ Plus card compatibility

　　19. Six-pin interface for the PICkit™ Programmer

　　20. JTAG connector pad for optional boundary scan functionality

　　图3. Explorer 16开发板框图

　　图4. Explorer 16开发板电路图(1):PIM插座

　　图5. Explorer 16开发板电路图(2):板装PIC24FJ128GA010 MCU

　　图6. Explorer 16开发板电路图(3):MPLAB® ICD, JTAG ,PICkit™ 编程器和PICtail™+连接器

　　图7. Explorer 16开发板电路图(4):PICtail™ PLUS EDGE和插座连接器

　　图8. Explorer 16开发板电路图(5):开关,复接器和电位计

　　图9. Explorer 16开发板电路图(6):EEPROM,温度传感器,LED,振荡电路和电源

　　图10. Explorer 16开发板电路图(7):USB和UART子系统

　　图11. Explorer 16开发板电路图(8):LCD和选择LCD连接器