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Eagle files
Gerber files
EEZ DIB MCU r2B4 Sheet1of5.png
EEZ DIB MCU r2B4 Sheet2of5.png
EEZ DIB MCU r2B4 Sheet3of5.png
EEZ DIB MCU r2B4 Sheet4of5.png
EEZ DIB MCU r2B4 Sheet5of5.png
EEZ DIB MCU r2B4.pdf

STM32F7 MCU board for controlling up to 3 SPI peripheral modules, I2C fan controller, power soft-start/stand-by, TFT LCD with resistive touch controller, USB 2.0, 10/100 Mbit/s Ethernet, SDRAM, EEPROM, rotary encoder, user switch and 4 I/O.

Feature list

  • STM32F769IIT6 32-bit ARM Cortex®-M7 MCU, 216 MHz, 2 MiB Flash, 512 KiB SRAM, LQFP176 package
  • Digital I/O: 2 x buffered inputs and 2 x buffered outputs (alternative function: UART)
  • Rotary encoder with switch
  • 1 x user switch
  • 3 x SPI channels (2 x Chip selects per channel), 40-pin IDC connector (DIB v1.0)
  • Battery backup (CR2032 button cell type)
  • USB 2.0 OTG
  • Micro SD card
  • DP83848C Ethernet PHY (10/100 Mbit/s)
  • 32 KiB I2C EEPROM
  • SWG/JTAG connector (optional)
  • 8 MiB SDRAM (e.g. IS42S16400J)
  • TFT LCD 0.5 mm FFC 40-pin connector (e.g. 4.3" RFE43BH-AIW-DNS or RFE430Y-AIW-DNS)
  • TFT backlight brightness control
  • Resistive touch controller
  • Soft-start/stand-by control lines for AUX PS board
  • Small on-board speaker
  • Input power: +5 V (+12 V pass-thru to peripheral modules)
  • On board +3.3 V LDO
  • Bootloader input (BOOT0) and jumper (optional)
  • Dimensions: 139.5 x 70 mm, 4-layer PCB

r1B5 prototype


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