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基于Microchip公司的PIC24FJ1024GB610 MCU开发方案

来源: 中电网
2019-01-10
类别:工业控制
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文章创建人 拍明芯城

原标题:Microchip PIC24FJ1024GB610 MCU开发方案

  microchip公司的PIC24FJ1024GB610是集成了闪存和USB OTG的16位微控制器(MCU).器件特性包括多达1024KB闪存,32KB RAM,USB和先进的外设,CPU采用修改的哈佛架构,32MHz时的性能高达16MIPS,主要用于工业计算,医疗/健身设备和需要长电池寿命的手持设备以及需要数据传输和存储如电表,HVAC控制,指纹扫描机和游戏机等.本文介绍了PIC24FJ1024GB610主要特性和框图,以及Explorer 16开发板主要特性,电路图和PCB元件布局图.

  This powerful combination of features makes the PIC24F “GB6” family ideal for industrial, computer, medical/fitness and portable applications that require a long battery life, and data transfer and storage without the need of external memory, such as electricity metering, HVAC control, fingerprint scanners and gaming

  PIC24F 16-bit Microcontroller featuring large dual partition flash with live update capability. This family includes up to 1024KB Flash, 32KB RAM, USB and advanced peripherals. The combination of features makes the part ideally suited for always on applications and applications requiring high memory.

  The PIC24FJ1024GA610/GB610 family introducesmany new analog features to the extreme low-powerMicrochip devices. This is a 16-bit microcontroller familywith a broad peripheral feature set and enhancedcomputational performance. This family also offers a

  new migration option for those high-performanceapplications which may be outgrowing their 8-bitplatforms, but do not require the numerical processingpower of a Digital Signal Processor (DSP).

  PIC24FJ1024GB610主要特性:

  High-Performance CPU

  • Modified Harvard Architecture

  • Largest Program Memory Available for PIC24(1024 Kbytes) for the Most Complex Applications

  • 32 Kbytes SRAM for All Part Variants

  • Up to 16 MIPS Operation @ 32 MHz

  • 8 MHz Fast RC Internal Oscillator:

  - 96 MHz PLL option

  - Multiple clock divide options

  - Run-time self-calibration capability for maintainingbetter than ±0.20% accuracy

  - Fast start-up

  • 17-Bit x 17-Bit Single-Cycle HardwareFractional/Integer Multiplier

  • 32-Bit by 16-Bit Hardware Divider

  • 16-Bit x 16-Bit Working Register Array

  • C Compiler Optimized Instruction Set Architecture

  • Two Address Generation Units for Separate Readand Write Addressing of Data Memory

  Universal Serial Bus Features

  • USB v2.0 On-The-Go (OTG) Compliant

  • Dual Role Capable – Can Act as Either Host or Peripheral

  • Low-Speed (1.5 Mb/s) and Full-Speed (12 Mb/s)

  USB Operation in Host mode

  • Full-Speed USB Operation in Device mode

  • High-Precision PLL for USB

  • USB Device mode Operation from FRC Oscillator –No Crystal Oscillator Required

  • Supports up to 32 Endpoints (16 bidirectional):

  - USB module can use any RAM location on thedevice as USB endpoint buffers

  • On-Chip USB Transceiver with Interface for Off-ChipUSB Transceiver

  • Supports Control, Interrupt, Isochronous andBulk Transfers

  • On-Chip Pull-up and Pull-Down Resistors

  Analog Features

  • 10/12-Bit, up to 24-Channel Analog-to-Digital (A/D)Converter:

  - 12-bit conversion rate of 200 ksps

  - Auto-scan and threshold compare features

  - Conversion available during Sleep

  • Three Rail-to-Rail, Enhanced Analog Comparatorswith Programmable Input/Output Configuration

  • Charge Time Measurement Unit (CTMU):

  - Used for capacitive touch sensing, up to 24 channels

  - Time measurement down to 100 ps resolution

  High-Performance CPU

  • Modified Harvard Architecture

  • Largest Program Memory Available for PIC24(1024 Kbytes) for the Most Complex Applications

  • 32 Kbytes SRAM for All Part Variants

  • Up to 16 MIPS Operation @ 32 MHz

  • 8 MHz Fast RC Internal Oscillator:

  - 96 MHz PLL option

  - Multiple clock divide options

  - Run-time self-calibration capability for maintainingbetter than ±0.20% accuracy

  - Fast start-up

  • 17-Bit x 17-Bit Single-Cycle HardwareFractional/Integer Multiplier

  • 32-Bit by 16-Bit Hardware Divider

  • 16-Bit x 16-Bit Working Register Array

  • C Compiler Optimized Instruction Set Architecture

  • Two Address Generation Units for Separate Readand Write Addressing of Data Memory

  Universal Serial Bus Features

  • USB v2.0 On-The-Go (OTG) Compliant

  • Dual Role Capable – Can Act as Either Host or Peripheral

  • Low-Speed (1.5 Mb/s) and Full-Speed (12 Mb/s)USB Operation in Host mode

  • Full-Speed USB Operation in Device mode

  • High-Precision PLL for USB

  • USB Device mode Operation from FRC Oscillator –No Crystal Oscillator Required

  • Supports up to 32 Endpoints (16 bidirectional):

  - USB module can use any RAM location on thedevice as USB endpoint buffers

  • On-Chip USB Transceiver with Interface for Off-ChipUSB Transceiver

  • Supports Control, Interrupt, Isochronous andBulk Transfers

  • On-Chip Pull-up and Pull-Down Resistors

  Analog Features

  • 10/12-Bit, up to 24-Channel Analog-to-Digital (A/D)Converter:

  - 12-bit conversion rate of 200 ksps

  - Auto-scan and threshold compare features

  - Conversion available during Sleep

  • Three Rail-to-Rail, Enhanced Analog Comparatorswith Programmable Input/Output Configuration

  • Charge Time Measurement Unit (CTMU):

  - Used for capacitive touch sensing, up to 24 channels

  - Time measurement down to 100 ps resolution

  Peripheral Features

  • Peripheral Pin Select (PPS) –Allows IndependentI/O Mapping of Many Peripherals

  • Up to 5 External Interrupt Sources

  • Configurable Interrupt-on-Change on All I/O Pins:

  - Each pin is independently configurable for risingedge or falling edge change detection

  • Eight-Channel DMA Supports All Peripheral modules:

  - Minimizes CPU overhead and increases datathroughput

  • Five 16-Bit Timers/Counters with Prescalers:

  - Can be paired as 32-bit timers/counters

  • Six Input Capture modules, Each with a Dedicated16-Bit Timer

  • Six Output Compare/PWM modules, Each with aDedicated 16-Bit Timer

  • Four Single Output CCPs (SCCPs) and ThreeMultiple Output CCPs (MCCPs):

  - Independent 16/32-bit time base for each module

  - Internal time base and period registers

  - Legacy PIC24F Capture and Compare modes(16 and 32-bit)

  - Special Variable Frequency Pulse and BrushlessDC Motor Output modes

  • Enhanced Parallel Master/Slave Port (EPMP/EPSP)

  • Hardware Real-Time Clock/Calendar (RTCC) withTimestamping

  • Three 3-Wire/4-Wire SPI modules:

  - Support 4 Frame modes

  - 8-level FIFO buffer

  - Support I2S operation

  • Three I2C modules Support Multi-Master/Slavemode and 7-Bit/10-Bit Addressing

  • Six UART modules:

  - Support RS-485, RS-232 and LIN/J2602

  - On-chip hardware encoder/decoder for IrDA®

  - Auto-wake-up on Auto-Baud Detect (ABD)

  - 4-level deep FIFO buffer

  • Programmable 32-Bit Cyclic Redundancy Check(CRC) Generator

  • Four Configurable Logic Cells (CLCs):

  - Two inputs and one output, all mappable toperipherals or I/O pins

  - AND/OR/XOR logic and D/JK flip-flop functions

  • High-Current Sink/Source (18 mA/18 mA) on All I/O Pins

  • Configurable Open-Drain Outputs on Digital I/O Pins

  • 5.5V Tolerant Inputs on Multiple I/O Pins

  图1.PIC24FJ1024GB610/GA610系列框图

  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2.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3.Explorer 16开发板布局图

  Explorer 16开发板中数字对应元件:

  A layout of the Explorer 16 Development Board is shown in Figure 3. The boardincludes these key features, as indicated in the diagram:

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

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

  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 devicEPROgramming/debugging

  7. Standard, 6-wire In-Circuit Debugger (ICD) connector for connections to anMPLAB 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 RTCCoperation (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4.Explorer 16开发板框图

  图5.Explorer 16开发板电路图(1)

  图6.Explorer 16开发板电路图(2)

  图7.Explorer 16开发板电路图(3)

  图8.Explorer 16开发板电路图(4)

  图9.Explorer 16开发板电路图(5)

  图10.Explorer 16开发板电路图(6)

  图11.Explorer 16开发板PCB元件布局图


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标签: Microchip MCU

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