dsPIC 入門簡介 33F 系列 DSP

dsPIC33FJ06GS202

在官網找到此MCU型號

16 bit 的 數位信號微控制器支援 SMPS和其他 digtial power-converdsion功能，如 AC to DC 轉換、DC to DC 轉換，Power Factor Correction(PFC)，Uninterruptible power supply (UPS) 不間斷電源供應、 Inverters 、 Embedded Power-Supply Controllers、Circuit Breakers 斷路器、Arc Fault Detection 電源弧故障檢測。

Features

CPU Up to 40 MIPS Operation (at 3.0-3.6V) 16 x 16 Fractional/Integer Hardware Multiply, Single Cycle Execution Single-Cycle Multiply and Accumulate 32-bit by 16-bit Hardware Divider C Compiler Optimized Instruction Set System Internal oscillator and Phase-Locked Loop (PLL) with 120 MHz VCO On-chip LDO Voltage Regulator JTAG Boundary Scan and Flash Memory Program Support Fail-Safe Clock Monitor – allows safe shutdown if clock fails Watchdog Timer with separate RC oscillator Power Managed Modes Run, Idle and Sleep modes Multiple, Switchable Clock Modes for Optimum Performance and Power Management High-Speed PWM Module Features Up to Four PWM Generators with Four to Eight Outputs Dead Time for Rising and Falling Edges Duty Cycle Resolution of 1.04 ns for Dead-Time, Phase Shift, and Frequency Supported PWM modes: Standard Edge-Aligned, True Independent Output, Complementary, Center-Aligned, Push-Pull, Multi-Phase, Variable Phase, Fixed Off-Time, Current Reset, and Current-Limit PWMxL, PWMxH Output Pin Swapping PWM4H, PWM4L Pins Remappable On-the-Fly PWM Frequency, Duty Cycle and Phase Shift Changes High-Speed Analog Comparator Up to Four Analog Comparators 20 ns response time 10-bit DAC for each analog comparator DACOUT pin to provide DAC output High-Speed 10-Bit ADC 10-Bit Resolution Up to 12 Input Channels Grouped into Six Conversion Pairs 4 Msps or 2 Msps Conversion rate Independent Trigger Source Section for each Analog Input Conversion Pair Peripherals UART Module with LIN and IrDA® support SPI Module with FIFO I2C™ Modules with Master and Slave Modes Up to 3 16-bit Timer Modules Up to 2 Input Capture and 2 Output Compare / PWM

Block Diagram

可以看到有哪些的模組可以使用。

 比較基本的連接，在MCLR要接上拉電阻，在 VDD和VSS之間要加電容。

封裝類型

 dsPIC33FJ06GS202 腳位圖

System Management:

dsPIC33F 初始化的系統設置 System

選擇 Fosc Oscillator Source，和有無PLL。

• Flexible Clock Options:

    - External, crystal, resonator, internal RC

    - Phase-Locked Loop (PLL) with 120 MHz VCO

    - Primary Crystal Oscillator (OSC) in the range of 3 MHz to 40 MHz

    - Internal Low-Power RC (LPRC) oscillator at a frequency of 32 kHz

    - Internal Fast RC (FRC) oscillator at a frequency of 7.37 MHz

是否致能其他功能，如 watchdog timer 或 其他重置功能。

• Power-on Reset (POR)

• Brown-out Reset (BOR)

• Power-up Timer (PWRT)

• Oscillator Start-up Timer (OST)

• Watchdog Timer with its RC Oscillator

• Fail-Safe Clock Monitor (FSCM)

• Reset by Multiple Sources

線上序列編程，如 ICD3 或 kit3

• In-Circuit Serial Programming™ (ICSP™)

• Reference Oscillator Output