timer clock

[yang hong]

I am using STM32H743ZI2. I am confused timer internal clock. In F4, I can easily find which clock to control which timer, in h7 series manual, I can't find it easily. anybody knows that?

[Nikita91 · Accepted solution]

I found it in RM0433 (rev 7) page 348, figure 49 is very instructive. Chapter 8.5.6 System clock (sys_ck)

Basicaly ther is one clock for the timers on APB1 and another for the timers on APB2.