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

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

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.

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

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

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

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

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

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

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

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

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