STM32F437xx和STM32F439xx系列MCU开发方案

1、ST STM32F437xx和STM32F439xx系列MCU开发方案ST公司的STM32F437xx和STM32F439xx系列是基于高性能ARM Cortex-M4 32位RISC内核的MCU,集成了FPU,自适应实时(ART)加速度器,工作频率高达180MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1)以及DSP指令,高达2MB闪存,256+4KB SRAM和32位数据总线,工作电压1.7-3.6 V,工作温度40到+105 .主要用在马达驱动和工业控制,医疗设备,PLC,逆变器,电路断路器,打印机和扫描仪,告警系统,视频连接,HVAC和

2、家庭音响设备.本文介绍了STM32F437xx和STM32F439xx系列主要特性,框图,以及评估板STM32439I-EVAL主要特性,框图,电路图,材料清单和PCB元件布局图.The STM32F437xx and STM32F439xx devices are based on the high-performance ARM Cortex-M4 32-bit RISC core operating at a frequency of up to 180 MHz. The Cortex-M4 core features a Floating point unit (FPU) single

3、 precision which supports all ARM singleprecision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security.The STM32F437xx and STM32F439xx devices incorporate high-speed embedded memories (Fl

4、ash memory up to 2 Mbyte, up to 256 kbytes of SRAM), up to 4 Kbytes of backup SRAM, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.All devices offer three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpo

5、se 16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers. a true random number generator (RNG), and a cryptographic acceleration cell. They also feature standard and advanced communication interfaces.Up to three I2CsSix SPIs, two I2Ss full duplex. To achieve aud

6、io class accuracy, the I2S peripherals can be clocked via a dedicated internal audio PLL or via an external clock to allow synchronization.Four USARTs plus four UARTsAn USB OTG full-speed and a USB OTG high-speed with full-speed capability (with the ULPI),Two CANsOne SAI serial audio interfaceAn SDI

7、O/MMC interfaceEthernet and camera interfaceLCD-TFT display controllerChrom-ART Accelerator.Advanced peripherals include an SDIO, a flexible memory control (FMC) interface, acamera interface for CMOS sensors and a cryptographic acceleration cell.The STM32F437xx and STM32F439xx devices operates in th

8、e40 to +105 temperature range from a 1.7 to 3.6 V power supply.The STM32F437xx and STM32F439xx devices offer devices in 8 packages ranging from100 pins to 216 pins. The set of included peripherals changes with the device chosen.STM32F437xx和STM32F439xx系列主要特性:Core: ARM 32-bit Cortex-M4 CPU with FPU, A

9、daptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from Flash memory, frequency up to 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructionsMemories Up to 2 MB of Flash memory organized into two banks allowing read-while-write Up to 256+4 KB of SRAM

10、 including 64-KB of CCM (core coupled memory) data RAM Flexible external memory controller with up to 32-bit data bus:SRAM,PSRAM,SDRAM/LPSDR SDRAM , Compact Flash/NOR/NAND memoriesLCD parallel interface, 8080/6800 modesLCD-TFT controller up to XGA resolution with dedicated Chrom-ART Accelerator for

11、enhanced graphic content creation (DMA2D)Clock, reset and supply management 1.7 V to 3.6 V application supply and I/Os POR, PDR, PVD and BOR 4-to-26 MHz crystal oscillator Internal 16 MHz factory-trimmed RC (1% accuracy) 32 kHz oscillator for RTC with calibration Internal 32 kHz RC with calibrationL

12、ow power Sleep, Stop and Standby modes VBAT supply for RTC, 2032 bit backup registers + optional 4 KB backup SRAM312-bit, 2.4 MSPS ADC: up to 24 channels and 7.2 MSPS in triple interleaved mode212-bit D/A convertersGeneral-purpose DMA: 16-stream DMA controller with FIFOs and burst supportUp to 17 ti

13、mers: up to twelve 16-bit and two 32-bit timers up to 180 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder inputDebug mode SWD & JTAG interfaces Cortex-M4 Trace MacrocellUp to 168 I/O ports with interrupt capability Up to 164 fast I/Os up to 90 MHz Up to 166 5 V

14、-tolerant I/OsUp to 21 communication interfaces Up to 3 I2C interfaces (SMBus/PMBus) Up to 4 USARTs/4 UARTs (11.25 Mbit/s, ISO7816 interface, LIN, IrDA, modem control) Up to 6 SPIs (45 Mbits/s), 2 with muxed full-duplex I2S for audio class accuracy via internal audio PLL or external clock 1 x SAI (s

15、erial audio interface) 2 CAN (2.0B Active) and SDIO interface Advanced connectivity USB 2.0 full-speed device/host/OTG controller with on-chip PHY USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and ULPI 10/100 Ethernet MAC with dedicated DMA: supp

16、orts IEEE 1588v2 hardware, MII/RMII8- to 14-bit parallel camera interface up to 54 Mbytes/sCryptographic acceleration: hardware acceleration for AES 128, 192, 256, Triple DES, HASH (MD5, SHA-1, SHA-2), and HMACTrue random number generatorCRC calculation unitRTC: subsecond accuracy, hardware calendar

17、96-bit unique IDSTM32F437xx和STM32F439xx系列主要应用:Motor drive and application controlMedical equipmentIndustrial applications: PLC, inverters, circuit breakersPrinters, and scannersAlarm systems, video intercom, and HVACHome audio appliancesAO-Electronics 傲壹电子 官网： 中文网：ALPS ADI IR JRC/NJR KEC OTAX Seoul

18、Semiconductor TI Walsin Technology图1. STM32F437xx和STM32F439xx系列框图评估板STM32439I-EVALThe STM32439I-EVAL evaluation board is a complete demonstration and development platform for the STMicroelectronics ARMCortex-M4 core-based STM32F439 line microcontrollers.The integrated ST-LINK/V2 provides an embedded

19、 in-circuit debugger and programmer for the STM32 MCU. Extension headers make it possible to easily connect a daughterboard for your specific application.The STM32439I-EVAL evaluation board includes everything required for beginners and experienced users to develop applications quickly.图2. 评估板STM324

20、39I-EVAL外形图评估板STM32439I-EVAL主要特性:STM32F439NIH6 microcontrollerSix 5 V power supply options: Power jack ST-LINK/V2 USB connector User USB HS connector User USB FS1 connector User USB FS2 connector DaughterboardSAI Audio DAC, stereo audio jack which supports headset with microphoneStereo digital micro

21、phone, audio terminal connector used to connect external speakers2 GByte (or more) SDIO interface MicroSD CardRF EEPROM on I2C compatible serial interfaceRS-232 communicationIrDA transceiverJTAG/SWD and ETM trace debug support, ST-LINK/V2 embeddedIEEE-802.3-2002 compliant Ethernet connectorCamera mo

22、dule8 M x 32-bit SDRAM, 1 M x 16-bit SRAM & 8 M x 16-bit NOR Flash5.7 inch 640 x 480 pixel TFT color LCD with capacitive touch panelJoystick with 4-direction control and selectorReset, WakeUp, Tamper or key button4 user color LEDsExtension connectors & memory connectors for daughterboard or wrapping boardUSB OTG HS and FS wi