About Alberto SAVIOTTI

Alberto SAVIOTTI · 2023-03-28

Alberto SAVIOTTI · 2022-09-19

I worked with the external HyperRAM on the discovery board and then on a custom PCB.I'll share my experience just in case it could be helpful, since I had hard times to find the solution.First of all using the CubeMX for the discovery board STM32H735...

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Using USART3 (VCOM on the NUCLEO-H723ZG board) an IDLE IRQ is generated after 512 bytes even if the host is transmitting more than 512 bytes. The IRQ is generated since bit[4] of register ISR is 1 and bit[4] of register CR1 is 1. From where "512" comes?

Re: STM32H7 OCTOSPI mode Hyperbus, HyperRam access and Delay Block Configuration (LNGF doesn't get set)