STM32F746BET6

This product features an ARM® 32-bit Cortex®-M7 CPU with a floating-point unit (FPU), Adaptive Real-Time Accelerator (ART Accelerator™), and L1 cache (4KB data cache and 4KB instruction cache), enabling zero-wait-state execution from embedded Flash and external memory at up to 216 MHz. It includes a memory protection unit (MPU), delivers 462 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1) performance, and supports DSP instructions.

Key features

• Core: ARM 32-bit Cortex-M7 CPU with FPU, adaptive real-time accelerator (ART AcceleratorTM) and L1-cache: 4KB data cache and 4KB instruction cache, allowing 0-wait state execution from embedded Flash memory and external memories, frequency up to 216 MHz, MPU, 462 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions
• Memories: Up to 1MB of Flash memory; 1024 bytes of OTP memory; SRAM: 320KB (including 64KB of data TCM RAM for critical real-time data) + 16KB of instruction TCM RAM (for critical real-time routines) + 4KB of backup SRAM (available in the lowest power modes); Flexible external memory controller with up to 32-bit databus: SRAM, PSRAM, SDRAM/LPSDRSDRAM, NOR/NAND memories; Dual mode Quad-SPI; LCD parallel interface, 8080/6800 modes; LCD-TFT controller up to XGA resolution with dedicated Chrom-ART AcceleratorTM for enhanced graphic content creation (DMA2D)
• Clock, reset and supply management: 1.7V to 3.6V application supply and I/Os; POR, PDR, PVD and BOR; Dedicated USB power; 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, 32x32 bit backup registers ± 4KB backup SRAM
• 3x12-bit, 2.4 MSPS ADC: up to 24 channels and 7.2 MSPS in triple interleaved mode; 2x12-bit D/A converters
• Up to 18 timers: up to thirteen 16-bit (1x lowpower 16-bit timer available in Stop mode) and two 32-bit timers, each with up to 4 IC/OC/PwM or pulse counter and quadrature (incremental) encoder input. All 15 timers running up to 216 MHz. 2x watchdogs, SysTick timer
• General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
• Debug mode - SWD & JTAG interfaces; Cortex-M7 Trace Macrocell ITM
• Up to 168 I/O ports with interrupt capability; Up to 164 fast I/Os up to 108 MHz; Up to 166 5 V-tolerant I/Os
• Up to 25 communication interfaces; Up to 4xI²C interfaces (SMBus/PMBus); Up to 4 USARTs/4 UARTs (27 Mbit/s, ISO7816 interface, LIN, IrDA, modem control); Up to 6 SPIs (up to 50 Mbit/s), 3 with muxed simplex for audio class accuracy via internal audio PLL or external clock; 2x SAI (serial audio interface); 2xCANs (2.0B active) and SDMMC interface; SPDIFRX interface - HDMI-CEC
• 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 Mbyte/s
• True random number generator; CRC calculation unit
• RTC: subsecond accuracy, hardware calendar; 96-bit unique ID