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RChie.2
Associate II
since ‎2020-07-22
‎2023-06-14

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  • 6 Posts
  • 1 Solutions
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User Activity

STM32H747 with Low-Power SDRAM (1.8V) read/write issue

2021-04-28
Hi Everyone: we now have a problem running STM32H747XIH6 with Low-Power SDRAM (ISSI IS42VM32160E-75BLI) when the SDRAM clock is set to 100MHz, on our customized PCBA. I'd like to check if anyone has suggestions on how to debug.■ Description of the s...

STM32H747 LPTIM4 PWM output in system STOP mode not working

2021-02-19
Hi everyone, we have a problem using LPTIM4 PWM output on STM32H747I-DISCO when system enters STOP mode.In this project, I need two independent PWM outputs with fixed frequency to work, while system goes to STOP mode to save power. LPTIM1_OUT & LPTIM...

STM32H74x 1.8V design issue related to VDD33USB

2021-02-03
 We have some issue concerning STM32H747XIH6 design supplying 1.8V to VDD:■ Below are some design criterion of this project:A. VDD is designed to be 1.8V to save power.  A separate 3.3V source is used to supply VDD33USB & VDDA.B. USB HS function is r...
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