STM32F427VIT6

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1. Description

The STM32F427VIT6 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 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 STM32F427VIT6 and STM32F429xx devices incorporate high-speed embedded memories (Flash 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-purpose 16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers. They also feature standard and advanced communication interfaces.

    1. Up to three I2Cs

    2. Six 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.

    3. Four USARTs plus four UARTs

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

    4. Two CANs

    5. One SAI serial audio interface

    6. An SDIO/MMC interface

    7. Ethernet and camera interface

    8. LCD-TFT display controller

    9. Chrom-ART Accelerator™.

Advanced peripherals include an SDIO, a flexible memory control (FMC) interface, a camera interface for CMOS sensors. Refer to Table 2: STM32F427VIT6 and STM32F429xx features and peripheral counts for the list of peripherals available on each part number. The STM32F427xx and STM32F429xx devices operates in the –40 to +105 °C temperature range from a 1.7 to 3.6 V power supply. The supply voltage can drop to 1.7 V with the use of an external power supply supervisor (refer to Section 3.17.2: Internal reset OFF). A comprehensive set of power-saving mode allows the design of low-power applications. The STM32F427xx and STM32F429xx devices offer devices in 8 packages ranging from 100 pins to 216 pins. The set of included peripherals changes with the device chosen.

2. Features

    1. 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 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions

    2. Memories

        – Up to 2 MB of Flash memory organized into two banks allowing read-while-write

        – Up to 256+4 KB of SRAM 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 memories

    3. LCD parallel interface, 8080/6800 modes

    4. LCD-TFT controller with fully programmable resolution (total width up to 4096 pixels, total height up to 2048 lines and pixel clock up to 83 MHz)

    5. Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D)

    6. 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 calibration

    7. Low power

        – Sleep, Stop and Standby modes

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

    8. 3×12-bit, 2.4 MSPS ADC: up to 24 channels and 7.2 MSPS in triple interleaved mode

    9. 2×12-bit D/A converters

  10. General-purpose DMA: 16-stream DMA controller with FIFOs and burst support

  11. Up to 17 timers: 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 input

  12. Debug mode

        – SWD & JTAG interfaces

        – Cortex-M4 Trace Macrocell™

  13. Up to 168 I/O ports with interrupt capability

        – Up to 164 fast I/Os up to 90 MHz

        – Up to 166 5 V-tolerant I/Os

  14. Up 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 (serial audio interface)

        – 2 × CAN (2.0B Active) and SDIO interface

  15. 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

  16. 8- to 14-bit parallel camera interface up to 54 Mbytes/s

  17. True random number generator

  18. CRC calculation unit

  19. RTC: subsecond accuracy, hardware calendar

  20. 96-bit unique ID

3. pin description

4. package information