Microchip PIC32MZ嵌入連接32位MCU開發(fā)方案

1、Microchip PIC32MZ嵌入連接32位MCU開發(fā)方案關(guān)鍵字：工業(yè)控制,嵌入式連接,USB, OTG,以太網(wǎng),CAN,用戶接口Microchip公司的PIC32MZ EC是32位嵌入連接系列MCU,采用MIPS microAptiv或 M4K內(nèi)核,工作頻率200MHz,高達2MB實時更新閃存和512KB SRAM,具有音頻和圖像接口,以及高速USB,以太網(wǎng)連接和先進的模擬性能,主要用在高度緊湊的圖像/用戶接口,以太網(wǎng)/USB/CAN連接,多任務(wù)嵌入使控制和高性能音頻設(shè)備.本文介紹了PIC32MZ嵌入連接(EC)系列MCU主要特性和框圖, 帶加密引擎的PIC32MZ EC系列入門板主要特

2、性,框圖,電路圖,材料清單和PCB布局圖.Microchips 32-bit portfolio with the MIPS microAptiv or M4K core offer high performance microcontrollers, and all the tools needed to develop your embedded projects. With MPLAB Harmony software framework, low cost development tools, and pin/peripheral compatibility from 16-bit p

3、roduct 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!For applications requiring embedded connectivity, the family includes Hi-Speed USB, Ethernet and CAN, along with a broad set of

4、wired and wireless protocol stacks. Many embedded applications are adding better graphics displays, and the PIC32MZ can support up to a WQVGA display without any external graphics chips. Streaming/digital audio applications can take advantage of this familys 159 DSP instructions, large memory, perip

5、herals such as I2S, and available software.PIC32MZ嵌入連接(EC)系列MCU主要特性:Operating Conditions2.2V to 3.6V, -40C to +85C, DC to 200 MHz2.2V to 3.6V, -40C to +125C (Planned)Core: 200 MHz (up to 330 DMIPS) microAptiv16 KB I-Cache,4 KB D-CacheMMU for optimum embedded OS executionmicroMIPS mode for up to 35%

6、smaller code sizeDSP-enhanced core:-Four 64-bit accumulators-Single-cycle MAC, saturating and fractional mathCode-efficient (C and Assembly) architectureClock Management0.9% internal oscillatorProgrammable PLLs and oscillator clock sourcesFail-Safe Clock Monitor (FSCM)Independent Watchdog Timers (WD

7、T) and Deadman Timer (DMT)Fast wake-up and start-upPower ManagementLow-power modes (Sleep and Idle)Integrated Power-on Reset and Brown-out ResetMemory Interfaces50 MHz External Bus Interface (EBI)50 MHz Serial Quad Interface (SQI)Audio and Graphics InterfacesGraphics interfaces: EBI or PMPAudio data

8、 communication: I2S, LJ, and RJAudio control interfaces: SPI and I2CAudio master clock: Fractional clock frequencies with USB synchronizationHigh-Speed (HS) Communication Interfaces (with Dedicated DMA)USB 2.0-compliant Hi-Speed On-The-Go (OTG) controller10/100 Mbps Ethernet MAC with MII and RMII in

9、terfaceSecurity FeaturesCrypto Engine with a RNG for data encryption/decryption and authentication (AES,3DES,SHA, MD5,and HMAC)Advanced memory protection:-Peripheral and memory region access controlDirect Memory Access (DMA)Eight channels with automatic data size detectionProgrammable Cyclic Redunda

10、ncy Check (CRC)Advanced Analog Features12-bit ADC module:-28 Msps with six Sample and Hold (S&H) circuits-Up to 48 analog inputsFlexible and independent ADC trigger sourcesTwo comparators with 32 programmable voltage referencesTemperature sensor with 2C accuracyCommunication InterfacesTwo CAN module

11、s (with dedicated DMA channels):-2.0B Active with DeviceNet addressing supportSix UART modules (25 Mbps):-Supports LIN 1.2 and IrDA protocolsSix 4-wire SPI modules (50 Mbps)SQI configurable as an additional SPI module (50 MHz)Five I2C modules (up to 1 Mbaud) with SMBus supportParallel Master Port (P

12、MP)Peripheral Pin Select (PPS) to enable function remapTimers/Output Compare/Input CaptureNine 16-bit or up to four 32-bit timers/countersNine Output Compare (OC) modulesNine Input Capture (IC) modulesPPS to enable function remapReal-Time Clock and Calendar (RTCC) moduleInput/Output5V-tolerant pins

13、with up to 32 mA source/sinkSelectable open drain, pull-ups, and pull-downsExternal interrupts on all I/O pinsQualification and Class B SupportAEC-Q100 REVG (Grade 1 -40C to +125C) plannedClass B Safety Library, IEC 60730Back-up internal oscillatorDebugger Development SupportIn-circuit and in-applic

14、ation programming4-wire MIPS Enhanced JTAG interfaceUnlimited software and 12 complex breakpointsIEEE 1149.2-compatible (JTAG) boundary scanNon-intrusive hardware-based instruction traceSoftware and Tools SupportC/C+ compiler with native DSP/fractional supportMPLAB Harmony Integrated Software Framew

15、orkTCP/IP, USB, Graphics, and mTouch middlewareMFi, Android, and Bluetooth audio frameworksFreeRTOS, OpenRTOS, C/OS, and other popular RTOS kernels圖1. PIC32MZ EC系列框圖帶加密引擎的PIC32MZ EC系列入門板The PIC32MZ EC Starter Kit with Crypto Engine provides the easiest and lowest cost method to experience the high p

16、erformance and advanced peripherals integrated in the PIC32MZ Embedded Connectivity MCUs. It features PIC32MZ2048ECM144 with onboard crypto engine that reduces software overhead of actions such as encryption, decryption, and authentication. This starter kit features a socket that can accommodate var

17、ious 10/100 Ethernet transceiver (RJ-45) plug-in connectors for prototyping and development.The PIC32MZ Embedded Connectivity (EC) Starter Kit contains the following items: PIC32MZ Embedded Connectivity (EC) Starter Kit Development Board LAN8740 Ethernet PHY Daughter Board USB mini-B to full-sized A

18、 cable USB debug cable to debug and power the Development Board USB micro-B to full-sized A cable PIC32 USB cable to communicate with thePIC32 USB port RJ-45 CAT5 Ethernet patch cable Ethernet CAT5 cable to communicate with thePIC32 Ethernet port帶加密引擎的PIC32MZ EC系列入門板包括:On-board PIC32MZ2048ECM144 wit

19、h 200 MHz, 2 MB Flash and 512 KB RAM with crypto engineIncludes 10/100 Fast Ethernet LAN8740 PHY Daughter BoardFeatures Energy Efficient Ethernet (IEEE 802.3az) and Wake-On-LAN functionalityIntegrated debugger/programmerUSB powered10/100 EthernetCAN 2.0b, Hi-Speed USB 2.0 host/device/dual-role/OTG4

20、MB SQI FlashCan be used with Multimedia Expansion Board IICan be used with PIC32 Expansion Board using a PIC32MZ adaptor board.圖2. 帶加密引擎的PIC32MZ EC系列入門板外形圖圖3. 帶加密引擎的PIC32MZ EC系列入門板框圖圖4. PIC32MZ EC系列入門板電路圖:PIC32MZ EC系列產(chǎn)品圖5.PIC32MZ EC系列入門板電路圖:USB主和OTG電源圖6 PIC32MZ EC系列入門板電路圖:調(diào)試器圖7.PIC32MZ EC系列入門板電路圖:應(yīng)用

21、板連接器,SQI存儲器和電源,LED和開關(guān)圖8.PIC32MZ EC系列入門板電路圖: N8740 PHY子板PIC32MZ EC系列入門板材料清單:N8740 PHY子板材料清單:圖9. PIC32MZ EC系列入門板布局圖:頂面1. PIC32MZ2048ECH144-I/PH or PIC32MZ2048ECM144-I/PH (Crypto Engine)32-bit microcontroller.2. Green power indicator LED.3. On-board crystal or oscillator for precision microcontroller clocking (24 MHz).4. USB connectivity for on-board debugger communications.5. Green debug indicator LED.6. Three push button switches for user-defined inputs.7. Three user-defined indicator LEDs.8. USB Type A receptacle connectivity for PIC32 host-based applications.9. HOST mode power jumper.10. D