原标题：ST STM32F415双马达控制解决方案

　　ST公司的STM32F415xx和STM32F417xx系列产品是基于高性能的ARM®Cortex™-M4 32位RISC内核的MCU,工作频率高达168MHz, Cortex-M4核具有浮点单元(FPU)单精度,支持所有ARM单精度数据处理指令和数据类型.器件还集成高速嵌入存储器(闪存高达1MB,SRAM高达192KB和高达4KB的备份SRAM.主要用在马达控制,医疗设备,PLC,逆变器,打印机,扫描仪,家用电器,HVAC,家庭音频设备,告警系统,视频连接等.本文介绍了STM32F415xx主要特性和框图, 采用STM32F415 MCU的双马达控制板STEVAL-IHM039V1主要特性,电路图和材料清单.

　　The STM32F415xx and STM32F417xx family is based on the high-performance ARM®Cortex™-M4 32-bit RISC core operating at a frequency of up to 168 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision which supports all ARM single precision 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 Cortex-M4 core with FPU will be referred to as Cortex-M4F throughout this document.

　　The STM32F415xx and STM32F417xx family incorporates high-speed embedded memories (Flash memory up to 1 Mbyte, up to 192 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, three 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-purpose 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 I2Cs

　　Three SPIs, two I2Ss full duplex. To achieve audio 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 two UARTs

　　An USB OTG full-speed and a USB OTG high-speed with full-speed capability (with the ULPI),

　　Two CANs

　　An SDIO/MMC interface

　　Ethernet and the camera interface available on STM32F417xx devices only.

　　The STM32F415xx and STM32F417xx family operates in the –40 to +105 °C temperature

　　range from a 1.8 to 3.6 V power supply. The supply voltage can drop to 1.7 V when the device operates in the 0 to 70 °C temperature range using an external power supply supervisor.

　　STM32F415xx主要特性:

　　Core: ARM 32-bit Cortex™-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory, frequency up to 168 MHz,

　　memory protection unit, 210 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions

　　Memories

　　– Up to 1 Mbyte of Flash memory

　　– Up to 192+4 Kbytes of SRAM including 64-Kbyte of CCM (core coupled memory) data RAM

　　– Flexible static memory controller supporting Compact Flash, SRAM, PSRAM, NOR and NAND memories

　　LCD parallel interface, 8080/6800 modes

　　Clock, reset and supply management

　　– 1.8 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 calibration

　　Low power

　　– Sleep, Stop and Standby modes

　　– VBAT supply for RTC, 20×32 bit backup registers + optional 4 KB backup SRAM

　　3×12-bit, 2.4 MSPS A/D converters: up to 24 channels and 7.2 MSPS in triple interleaved mode

　　2×12-bit D/A converters

　　General-purpose DMA: 16-stream DMA controller with FIFOs and burst support

　　Up to 17 timers: up to twelve 16-bit and two 32- bit timers up to 168 MHz, each with up to 4

　　IC/OC/PWM or pulse counter and quadrature (incremental) encoder input

　　Debug mode

　　– Serial wire debug (SWD) & JTAG interfaces

　　– Cortex-M4 Embedded Trace Macrocell™

　　Up to 140 I/O ports with interrupt capability

　　– Up to 136 fast I/Os up to 84 MHz

　　– Up to 138 5 V-tolerant I/Os

　　Up to 15 communication interfaces

　　– Up to 3 × I2C interfaces (SMBus/PMBus)

　　– Up to 4 USARTs/2 UARTs (10.5 Mbit/s, ISO 7816 interface, LIN, IrDA, modem control)

　　– Up to 3 SPIs (42 Mbits/s), 2 with muxed full-duplex I2S to achieve audio class accuracy via internal audio PLL or external clock

　　– 2 × CAN interfaces (2.0B Active)

　　– 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: supports IEEE 1588v2 hardware, MII/RMII

　　8- to 14-bit parallel camera interface up to 54 Mbytes/s

　　Cryptographic acceleration: hardware acceleration for AES 128, 192, 256, Triple DES, HASH (MD5, SHA-1), and HMAC

　　True random number generator

　　CRC calculation unit

　　96-bit unique ID

　　RTC: subsecond accuracy, hardware calendar

　　These features make the STM32F415xx and STM32F417xx microcontroller family suitable for a wide range of applications:

　　Motor drive and application control

　　Medical equipment

　　Industrial applications: PLC, inverters, circuit breakers

　　Printers, and scanners

　　Alarm systems, video intercom, and HVAC

　　Home audio appliances

　　图1. STM32F41x系列框图

　　采用STM32F415 MCU的双马达控制板STEVAL-IHM039V1

　　The STEVAL-IHM039V1 demonstration board is designed as a dual motor field-oriented control (FOC) development platform for STMicroelectronics’ ARM Cortex™-M4 32-bit corebased STM32F415ZG microcontroller with up to 168 MHz of clock frequency and FPU support. The board features full-speed USB 2.0 and CAN 2.0 A/B compliant interfaces; 1 I2S/I2C channel, 1 USART channel and 1 insulate USART through USB to serial bridge, 2 DAC channels, internal 192+4KB SRAM and 1 MB Flash memory, and JTAG and SWD debugging support. The board is designed to implement multiple motor controls and offers an advanced user I/O interface (LCD QVGA display and joystick key). Extension headers make it easy to connect a daughterboard or wrapping board for specific applications.

　　With dedicated hardware features, the STEVAL-IHM39V1 board is designed to help developers to evaluate the device and develop their own applications.

　　The STEVAL-IHM39V1 can be used together with the STM32 PMSM single/dual FOC SDK v3.x and two of the possible STMicroelectronics demonstration power boards equipped with MC connector for a complete dual motor control evaluation and development platform.

　　The demonstration board can be ordered through order code STEVAL-IHM039V1.

　　图2. 双马达控制板STEVAL-IHM039V1外形图

　　双马达控制板STEVAL-IHM039V1主要特性:

　　STMicroelectronics’ ARMTM Cortex-M4 core-based STM32F415ZG microcontroller

　　Two full-featured MC connectors for interfacing with any of the possible STMicroelectronics demonstration power boards

　　JTAG, SWD and trace debug support

　　USB connector for isolated virtual com port

　　USB 2.0 full speed connection

　　240 x 320 TFT color LCD

　　Joystick with 4-direction control and selector

　　4 LEDs

　　Reset plus three user buttons

　　Five 5 V power supply sources: 2-way screw connector, power jack, two USB connectors or daughterboard

　　Boot from user Flash or system memory

　　CAN 2.0 A/B compliant connection

　　I2C connection

　　RS-232 channel with RTS/CTS handshake support

　　Extension connectors for daughterboard or wrapping area board

　　双马达控制板STEVAL-IHM039V1材料清单: