STM32 MPUs Embedded software and solutions

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! STM32MP1 - I2C frequency too low

In my device tree, we config 400KHz, but on scope we see only ~ 50Hz, and the clock seems weird. Anyone know why? &i2c1 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&i2c1_pins_a>; pinctrl-1 = <&i2c1_sleep_pins_a>; i2c-scl-rising-time-ns = <185>...

_legacyfs_online_stmicro_images_0693W00000bjEZXQA2.png
Dat Tran by Senior II
  • 1190 Views
  • 4 replies
  • 0 kudos