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microchip 公司的PIC24FJ64GA004是通用16位闪存MCU,具有广泛的外设特点和增强的盘算性能.CPU接纳改进性哈佛架构,32MHz时的性能高达16MIPS,8MHz的内部振荡器,17位x17位单周期硬件乘法器,32位x16位硬件除法器, 16位x16位工作寄存器阵列,工作电2.0-3.6V,主要用在消费类电子如保全系统、热控制、音响设备,汽车电子如车身控制、操控系统,工业范畴如修建物监控系统、保全/收支系统、感应器等.本京电港论坛文章先容了PIC24FJ64GA004主要特点,方框架图和PIC24F CPU方框架图以及Explorer 16低本钱开辟板主要特点和详细电路原理图纸. PIC24FJ64GA004 Family: General Purpose 16-Bit Flash Microcontrollers This family introduces a new line of Microchip devices: a 16-bit microcontroller family with a broad peripheral feature set and enhanced computational performance. The PIC24FJ64GA004 family offers a new migration option for those high-performance applications which may be outgrowing their 8-bit platforms, but don’t require the numerical processing power of a digital signal processor. PIC24FJ64GA004系列主要特点: High-Performance CPU: • Modified Harvard Architecture • Up to 16 MIPS Operation @ 32 MHz • 8 MHz Internal Oscillator with 4x PLL Option and Multiple Divide Options • 17-Bit by 17-Bit Single-Cycle Hardware Multiplier • 32-Bit by 16-Bit Hardware Divider • 16-Bit x 16-Bit Working Register Array • C Compiler Optimized Instruction Set Architecture: - 76 base instructions - Flexible addressing modes • Two Address Generation Units for Separate Read and Write Addressing of Data Memory Special Microcontroller Features: • Operating Voltage Range of 2.0V to 3.6V • 5.5V Tolerant Input (digital pins only) • High-Current Sink/Source (18 mA/18 mA) on All I/O Pins • Flash Program Memory: - 10,000 erase/write - 20-year data retention minimum • Power Management modes: - Sleep, Idle, Doze and Alternate Clock modes - Operating current 650 A/MIPS typical at 2.0V - Sleep current 150 nA typical at 2.0V • Fail-Safe Clock Monitor Operation: - Detects clock failure and switches to on-chip, low-power RC oscillator • On-Chip, 2.5V Regulator with Tracking mode • Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) • Flexible Watchdog Timer (WDT) with On-Chip, Low-Power RC Oscillator for Reliable Operation • In-Circuit Serial Programming. (ICSP.) and In-Circuit Debug (ICD) via 2 Pins • JTAG Boundary scan and Programming Support Analog Features: • 10-Bit, up to 13-Channel Analog-to-Digital Converter: - 500 ksps conversion rate - Conversion available during Sleep and Idle • Dual Analog Comparators with Programmable Input/Output Configuration Peripheral Features: • Peripheral Pin Select: - Allows independent I/O mapping of many peripherals - Up to 26 available pins (44-pin devices) - Continuous hardware integrity checking and safety interlocks prevent unintentional configuration changes . 8-Bit Parallel Master/Slave Port (PMP/PSP): - Up to 16-bit multiplexed addressing, with up to 11 dedicated address pins on 44-pin devices - Programmable polarity on control lines • Hardware Real-Time Clock/Calendar (RTCC): Provides clock, calendar and alarm functions • Programmable Cyclic Redundancy Check (CRC) • Two 3-Wire/4-Wire SPI modules (support 4 Frame modes) with 8-Level FIFO Buffer • Two I2C. modules support Multi-Master/Slave mode and 7-Bit/10-Bit Addressing • Two UART modules: - Supports RS-485, RS-232, and LIN 1.2 - On-chip hardware encoder/decoder for IrDA® - Auto-wake-up on Start bit - Auto-Baud Detect - 4-level deep FIFO buffer • Five 16-Bit Timers/Counters with Programmable Prescaler • Five 16-Bit Capture Inputs • Five 16-Bit Compare/PWM Outputs • Configurable Open-Drain Outputs on Digital I/O Pins • Up to 4 External Interrupt Sources Explorer 16低本钱开辟板 The Explorer 16 is a low cost, efficient development board to evaluate the features and performance of Microchips new PIC24 Microcontroller, the dsPIC33 Digital Signal Controller (DSC) families, and the new 32-bit PIC32MX devices. Coupled with the MPLAB ICD 2 In Circuit Debugger or MPLAB REAL ICE, real-time emulation and debug facilities speed evaluation and prototyping of application circuitry. The Explorer 16 100-pin features two interchangeable Plug-In Modules (PIMs), one each for the PIC24FJ128GA010 and the dsPIC33FJ256GP710 DSC. The Explorer 16 44-pin features a Plug-In Module (PIM) for the PIC24FJ64GA004
Explorer 16开辟板主要特点: • Includes PIC24FJ128GA010 and the dsPIC33FJ256GP710 DSC Digital Signal Controller PIMs (100-pin version) or the PIC24FJ64GA004 PIM (44-pin version). • Alpha-numeric 16 x 2 LCD display • Interfaces to MPLAB ICD 2, MPLAB REAL ICE, USB, and RS-232 • Includes Microchips 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 CD includes users guide, schematics and PWB layout
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