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FSMC used for LC-Display and Remap Timer 4 Ch1 for PWM

Question asked by rothmund.juergen on Feb 25, 2014


We are using the FSMC on the STM32F103 to drive a lc-display. To generate the Backlight PWM we like to use PD12 remapped to Timer4_Ch1. Now I have the problem that every time the fsmc sends data, a signal is on the PWM. I have found some information on Timer4 and FSMC in errata sheet, but only for Timer 4 channel 2.  Is there a problem with Ch1?