Micro-snow electronic development board Coreh743i STM32H743IIT6 Introduction

STM32H743IT6 core board minimum system board Model CoreH743I Product introduction I am a core board based on STM32H743IIT6 controller chips, the main features are: MCU basic circuit board, including the crystal oscillator circuit, USB power management circuit, USB interface, etc. The SDRAM onboard 64MBIT Leads to all I / O resources With JTAG / SWD debug download interface Pin spacing 2.0mm, small volume, suitable for user access to the system This resource [Chip Introduction] STM32H743IIT6 Kernel: Cortex-M7 32-bit RISC + Double Precision FPU + Chrom-ART Graphics Accelerator characteristic: Single cycle DSP instruction; working frequency: 400MHz, 856 DMIPS / 2.14 DMIPS / MHz; Operating Voltage: 1.62V-3.6V; Package: Lqfp176; Storage resources: 2MB Flash, 1MB RAM (864KB USER + 192KB TCM + 4KB Backup); resource: 6 x SPI, 4 x USART, 4 x UART, 1 x lpuart, 3 x i2s, 4 x i2c, 2 x fdcan, 1 x Quad-SPI, 1 x DCMI, 4 x SAI, 1 x fmc, 2 x SDMMC, 17 x Tim, 5 x lptim, 1 x ltdc, 1 x SPDIFRX, 1 x HDMI-CEC, 1 x swpmi 1 x USB 2.0 OTG FS, 1 x USB 2.0 OTG HS (USB HS PHY) of ULPI interface, 1 x 10/100 Ethernet Mac, 3 x AD (16), 2 x da (12); Debug download: Support for the JTAG / SWD interface, support IAP IC42S16400J / IS42S16400J 1 MEG BITS X 16 BITS X 4 Banks (64-Mbit) SDRAM STMPS2151STR USB power management device AMS1117-3.3 3.3V regulator device [Introduction to other devices] 8M crystal 32.768K crystal Built-in RTC use, or to calibrate Reset button VBUS LED USB interface power indicator PWR LED Power Indicator "5vin" or "USB" power supply selection switch Switch to USB, select USB power supply Switch to 5VIN, choose 5VIN power Boot Status Setting Switch Can set the status of boot0 [Introduction to Interface] JTAG / SWD interface Support download and debugging USB interface As a device: USB communication with the computer via the connection line As a Host: Usb equipment such as the terminal, U disk MCU pin interface Export VCC, GND, and all I / O, convenient to connect with peripherals [Jumper / switch description] Power JMP VBAT Select Jumper: Short-connect system power supply, disconnect access to external power VREF Select Jumper: Short access VCC, disconnectable VREF + OTG JMP Short jumper: use USB OTG / HOST Disconnect Jumper: does not affect I / O Product Image CoreH743I front side CoreH743I the back side CoreH743I front side view of a CoreH743I access floor Dimensions JTAG / SWD interface definition, Read

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