Solved
When using stm32l4r9vgt chip in cubemx, ltdc RGB interface cannot be selected？
cubeMX version:6.2.1, STM32L4R9ZIT can select RGB interface,but STM32L4RVGT cann't
MM..1Best answer
Super User
April 28, 2021
Maybe because not all RGB pins is accesibble on LQFP100 package