Riverdi STM32 Evaluation Board User Manual Rev. 1.4
© 2021 Riverdi
Page 13 of
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You can find exact currents for specific TFT in datasheet:
https://riverdi.com/product-category/intelligent-displays/bt817q/
Microcontroller
STM32F469II, Arm Cortex-M4 MCU @ up to 180MHz
External SDRAM
IS42S16400J, 64Mbit
http://www.issi.com/WW/pdf/42-45S16400J.pdf
FTDI serial to SPI bridge
https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT232H.pdf
MicroSD slot
When functional microSD card is placed in this slot, after being formatted in FAT32 format, microSD
card’s memory space can be used by microcontroller as the regular filesystem.
RiBUS FFC-connector
Support for FT80x, FT81x, BT81x (max SPI speed = 30MHz),
https://riverdi.com/download/5318/
FTDI app note AN312 contains c headers and example code for FT800
User LEDs: 2 pcs
They can be configured by the user, from program level.
Power LED indicating power to FTDI "Direct USB”
FTDI input powers both rails.
Power LED indicating power to STM32 "STM32 USB"
STM32 powers its own rail only.
User Buttons: 2 pcs
These may be used in future, they are not used now.
Serial RGB bus header
Please refer to Application Note: ST AN4861 (LCD-TFT display controller (LTDC) on STM32 MCUs).
