PIC32M7xx具有哪些特性参数应用？

1208 PIC32

问答对人有帮助，内容完整，我也想知道答案 0 本文介绍了PIC32M7xx系列主要特性,方框图,PIC32 MCU音频开发板主要特性,电路图和PCB 元件布局图. 0
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答案对人有帮助，有参考价值 0 Microchip公司的PIC32M7xx系列是高性能USB,CAN和以太网32位闪存MCU,采用MIPS M4K内核,具有5级流水线,80MHz最高工作频率,1.56 DMIPS/MHz (Dhrystone 2.1),单周期乘法和除法单元,工作电压2.3V 到3.6V,64K到512KB闪存,16KB到128KB SRAM,主要用在超小型图像/用户接口,以太网/USB/CAN连接,多任务嵌入控制和高性能音频设备.本文介绍了PIC32M7xx系列主要特性,方框图,PIC32 MCU音频开发板主要特性,电路图和PCB元件布局图. Microchip’s 32-bit portfolio with the MIPS® M4K® offers high performance microcontrollers, and all the tools needed to develop your embedded project. With free software, low cost development tools, and pin/peripheral compatibility from 16-bit product lines, PIC32 MCUs shorten time to market and allow your designs to grow. PIC32 gives your application the processing power, memory and peripherals your design needs! PIC32M7xx系列主要特性: High-Performance 32-bit RISC CPU: • MIPS32® M4K® 32-bit core with 5-stage pipeline • 80 MHz maximum frequency • 1.56 DMIPS/MHz (Dhrystone 2.1) performance at zero Wait state Flash access • Single-cycle multiply and high-performance divide unit • MIPS16e® mode for up to 40% smaller code size • Two sets of 32 core register files (32-bit) to reduce interrupt latency • Prefetch Cache module to speed execution from Flash Microcontroller Features: • Operating voltage range of 2.3V to 3.6V • 64K to 512K Flash memory (plus an additional 12 KB of Boot Flash) • 16K to 128K SRAM memory • Pin-compatible with most PIC24/dsPIC® DSC devices • Multiple power management modes • Multiple interrupt vectors with individually programmable priority • Fail-Safe Clock Monitor mode • Configurable Watchdog Timer with on-chip Low-Power RC oscillator for reliable operation Peripheral Features: • Atomic SET, CLEAR and INVERT operation on select peripheral registers • Up to 8-channels of hardware DMA with automatic data size detection • USB 2.0-compliant full-speed device and On-The-Go (OTG) controller: - Dedicated DMA channels • 10/100 Mbps Ethernet MAC with MII and RMII interface: - Dedicated DMA channels • CAN module: - 2.0B Active with DeviceNet™ addressing support - Dedicated DMA channels • 3 MHz to 25 MHz crystal oscillator Peripheral Features (Continued): • Internal 8 MHz and 32 kHz oscillators • Six UART modules with: - RS-232, RS-485 and LIN support - IrDA® with on-chip hardware encoder and decoder • Up to four SPI modules • Up to five I2C™ modules • Separate PLLs for CPU and USB clocks • Parallel Master and Slave Port (PMP/PSP) with 8-bit and 16-bit data, and up to 16 address lines • Hardware Real-Time Clock and Calendar (RTCC) • Five 16-bit Timers/Counters (two 16-bit pairs combine to create two 32-bit timers) • Five Capture inputs • Five Compare/PWM outputs • Five external interrupt pins • High-speed I/O pins capable of toggling at up to 80 MHz • High-current sink/source (18 mA/18 mA) on all I/O pins • Configurable open-drain output on digital I/O pins Debug Features: • Two programming and debugging Interfaces: - 2-wire interface with unintrusive access and real-time data exchange with application - 4-wire MIPS® standard enhanced Joint Test Action Group (JTAG) interface • Unintrusive hardware-based instruction trace • IEEE Standard 1149.2 compatible (JTAG) boundary scan Analog Features: • Up to 16-channel, 10-bit Analog-to-Digital Converter: - 1 Msps conversion rate - Conversion available during Sleep and Idle • Two Analog Comparators PIC32MX7系列应用: High Impact Graphics/User Interfaces Ethernet/USB/CAN/Connectivity Multitasking Embedded Control High Performance Audio a8.gif 图1.PIC32M7xx系列框图 PIC32 MCU音频开发板 The Audio Development Board showcases a 16/32-bit audio development platform with a true 24-bit audio codec. In addition, the board also showcases the performance of PIC32 MCU/dsPIC33E DSC for complex audio algorithms. PIC32 MCU音频开发板主要特性: • High-performance MCU • Wolfson WM8960 audio codec with up to 48 kHz sampling rate and up to 24-bit resolution • Headphone out, Line-in jacks, and an on-board MIC • TFT color display with 220x176 resolution • PICtail™ Plus Connector • General purpose user switches and LEDs 20120727101855237.gif 图2.PIC32 MCU音频开发板外形图图2上对应的元件描述: a7.gif a6.gif 图3.PIC32 MCU音频开发板电路图:显示电路 a5.gif 图4.PIC32 MCU音频开发板电路图:音频电路 a4.gif 图5.PIC32 MCU音频开发板电路图:MCU和USB电路 a3.gif 图6.PIC32 MCU音频开发板电路图:电源电路 a2.gif 图7.PIC32 MCU音频开发板电路图:通信电路(扩展连接器,ICSP,开关和LED) a1.gif 图8.PIC32 MCU音频开发板元件布局图详情请见: 61156G.pdf(5.22 MB)2012-7-27 20:46 上传 -1 和 ADB for PIC32 User Guide.pdf(1.08 MB)2012-7-27 20:47 上传 -1

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