Microchip dsPIC33FJ16系列高性能低成本马达控制方案

1、Microchip dsPIC33FJ16系列高性能低成本马达控制方案关键字：工业控制,马达控制Microchip 公司的dsPIC33FJ16GP101/102和dsPIC33FJ16MC101/102 是高性能超低成本数字信号控制器（DSC），包含了DSP功能和高性能16位MCU架构的性能高达16MIPS，可扩展的工作温度-40到 +125，主要用在家用电器如洗衣机,医疗设备如输液泵，工业如AC马达等.本文介绍dsPIC33FJ16系列主要特性，方框图，CPU核方框图和应用电路以及马达控制板系统框图，电路图和材料清单（BOM）。This document contains device s

2、pecific information for the dsPIC33FJ16GP101/102 anddsPIC33FJ16MC101/102 Digital Signal Controller(DSC) Devices. The dsPIC33F devices containextensive Digital Signal Processor (DSP) functionality with a high-performance, 16-bit microcontroller (MCU) architecture.dsPIC33FJ16系列主要特性:Operating Range: Up

3、 to 16 MIPS operation (3.0V-3.6V):- Industrial temperature range (-40 to +85)- Extended temperature range (-40 to +125)On-Chip Flash and SRAM: Flash program memory (16 Kbytes) Data SRAM (1 Kbyte) Security for program FlashSystem Management: Flexible clock options:- External, crystal, resonator, inte

4、rnal FRC- Phase-Locked Loop (PLL) High-accuracy internal FRC- 0.25% typical Power-on Reset (POR) Power-up Timer (PWRT) Oscillator Start-up Timer (OST) Brown-out Reset (BOR) Watchdog Timer with its own RC oscillator Fail-Safe Clock Monitor (FSCM)Motor Control PWM: 6-channel 16-bit Motor Control PWM:-

5、 Three duty cycle generators- Independent or Complementary mode- Programmable dead time and output polarity- Edge-aligned or center-aligned- Manual output override control- Up to two Fault inputs- Trigger for ADC conversions- PWM frequency for 16-bit resolution ( 16 MIPS) = 488 Hz for Edge-Aligned m

6、ode, 244 Hz for Center-Aligned mode- PWM frequency for 11-bit resolution ( 16 MIPS) = 15.63 kHz for Edge-Aligned mode, 7.81 kHz for Center-Aligned modePower Management: Single supply on-chip voltage regulator Switch between clock sources in real time Idle, Sleep, and Doze modes with fast wake-upAnal

7、og Peripherals: 10-bit, 1.1 Msps Analog-to-Digital Converter (ADC):- Two and four simultaneous samples- Up to six input channels with auto-scanning- Conversion start can be manual or synchronized with one of four trigger sources- Sleep mode conversion for low-power applications- 2 LSb max integral n

8、onlinearity- 1 LSb max differential nonlinearity Three Analog Comparators with programmable input/output configuration:- Up to four inputs per Comparator- Blanking function- Output digital filter Charge Time Measurement Unit (CTMU):- Supports capacitive touch sensing for touch screens and capacitive

9、 switches (mTouch)- Provides high-resolution time measurement for advanced sensor applications- 200 ps resolution for time measurement and accurate temperature sensing- On-chip high-resolution temperature measurement capabilityTimers/Capture/Compare/PWM: Timer/Counters, up to three 16-bit timers:- C

10、an pair up to make one 32-bit timer- One timer runs as Real-Time Clock with external 32.768 kHz oscillator- Programmable prescaler Input Capture (up to three channels):- Capture on up, down, or both edges- 16-bit capture input functions- 4-deep FIFO on each capture Output Compare (up to two channels

11、):- Single or Dual 16-bit Compare mode- 16-bit Glitchless PWM mode Hardware Real-Time Clock and Calendar (RTCC):- Provides clock, calendar and alarm functionDigital I/O: Peripheral Pin Select functionality Up to 21 programmable digital I/O pins Wake-up/Interrupt-on-Change for up to 21 pins Output pi

12、ns can drive from 3.0V to 3.6V Up to 5.5V output with open drain configuration on 5V tolerant pins All digital input pins are 5V tolerant Up to 8 mA sink on designated pinsCommunication Modules: 4-wire SPI:- Framing supports I/O interface to simple codecs- Supports 8-bit and 16-bit data- Supports al

13、l serial clock formats and sampling modes I2C:- Full Multi-Master Slave mode support- 7-bit and 10-bit addressing- Bus collision detection and arbitration- Integrated signal conditioning- Slave address masking UART:- Interrupt on address bit detect- Interrupt on UART error- Wake-up on Start bit from

14、 Sleep mode- 4-character TX and RX FIFO buffers- LIN 2.0 bus support- IrDA encoding and decoding in hardware- High-Speed mode- Hardware Flow Control with CTS and RTSInterrupt Controller: 5-cycle latency Up to 23 available interrupt sources Up to three external interrupts Seven programmable priority

15、levels Four processor exceptionsHigh-Performance MCU CPU Features: 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 instr

16、uctions: mostly one word/one cycle Flexible and powerful indirect addressing mode Software stack 16 x 16 integer multiply operations 32/16 and 16/16 integer divide operations Up to 16-bit shiftsAdditional High-Performance DSC CPU Features: 11 additional instructions Two 40-bit accumulators with roun

17、ding and saturation options Additional flexible and powerful addressing modes:- Modulo- Bit-reversed Single-cycle multiply and accumulate:- Accumulator write back for DSP operations- Dual data fetch Shifts for up to 40-bit data 16 x 16 fractional multiply/divide operationsPackaging: 18-pin PDIP/SOIC

18、 20-pin PDIP/SOIC/SSOP 28-pin SPDIP/SOIC/SSOP/QFN 28-pin QFN: 6x6 mm 36-pin TLA: 5x5 mm图1。dsPIC33FJ16系列方框图图2。dsPIC33FJ16系列CPU核方框图图3。dsPIC33FJ16系列推荐最少元件连接图马达控制入门套件The board provided in the kit is intended to introduce and demonstrate the capabilities andfeatures of the low-cost 16-bit Motor Control and mTouch families of devices. In addition