About jcmoreau

jcmoreau · 2024-06-20

I am working on an application using an STM32U5A5 nucleo board with four MEMs PDM output format microphones. The microphones are configured such that data is valid for the left channel on a rising clock edge and valid for the right channel on a falli...

jcmoreau · 2024-06-04

I am trying to provide a clock to PDM microphones using the CKI1 MDF pin, and no clock is being generated. The MDF correctly generates a clock signal on MDF CKI0. The IO configuration for CKI0 and CKI1 is the same (except for the alternate function r...

jcmoreau · 2024-01-11

I see this note in the user manual for the STM32U5A9J-DKIs it possible to enable 3.3V output for the GPIO on the CN9 header by removing SB56 and jumping the 3V3 pin to IOREF, or would this damage the board or not have the effect I intend?

jcmoreau · 2024-01-04

I am experimenting with the USB HS peripheral on the STM32U5A9NJ Discovery Kit, and noticed that there is a signal called VBUS_SENSE which is routed to PG1 (ADC4 IN8). I've configured ADC4 to sample from this pin, and notice that the sensed voltage i...

jcmoreau · 2024-06-05

Hi Gwenole,Thanks for your reply. I am not using CubeMX. CCK0EN and CCK1EN are set. CCK1DIR and CCK0DIR are set. I ended up just clocking the microphones using the working clock output, MDF_CKI0. I may try using MDF_CKI1 with a different board to se...

jcmoreau · 2024-05-01

Is it possible to invoke the RTOS proxy from a terminal so that I can use it with VSCode? I am using STLink server with VSCode currently.

jcmoreau · 2024-01-08

My ADC4 was not configured correctly, I missed this note in the data sheet:Note:The ADC4 analog block clock frequency must be between 140 kHz and 55 MHz.After correcting this (applied 8x prescaler in ADC4 CCR), I read ~3.7V (651 / 4095 = ~0.286V) wit...

jcmoreau · 2024-01-08

I wasn't able to see any output from the program defined by the .ioc, looks like maybe the UART pins weren't configured. However, when I use the voltage divider values implied by R1 and R2 in main.c, I get readings much closer to 1.8V with the cable ...

jcmoreau · 2024-01-05

Hello Mike,Thanks for your answer. I measure 5.1V on JP4 Pin 5 using a DMM. I still see the same ~0.14V on PG1 with the USBC cable connected when I set PE9 high. Just to make sure I had ADC4 configured correctly, I verified that I was able to accurat...

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BSMX falling edge data not always available

So clock output on MDF CKI1

Is it possible to configure GPIO on the STM32U5A9J-DK for 3.3V output?

USB VBUS_SENSE on STM32U5A9NJ Discovery Kit

Re: So clock output on MDF CKI1

Re: RTOS debug with STM32CubeIDE

Re: USB VBUS_SENSE on STM32U5A9NJ Discovery Kit

Re: USB VBUS_SENSE on STM32U5A9NJ Discovery Kit

Re: USB VBUS_SENSE on STM32U5A9NJ Discovery Kit