Output Compare Register update in stm32

[vijaysriram694]

I had taken TIM1 asn Master to Trigger TIM8 here below i had attached the timer configuration 

Clock Frequency 480mhz ,timer clock 240mhz

Here Iam Triggering The TIM8 after 2.5us started from TIM1 both are 100khz frequency in TIM->CCR3 register iam loading the 2.5us equavalent value (600) loading in the register where in the output also it came correctly but WHERE iam Incrementing or decrementing automatically in code in the CCR register value loaded correctly but in the output it is not updating why i dont known please anyone help to solve this problem

[KnarfB]

specify the chip and don't tag *every* STM32 series.

[Andrew Neil]

How to get  screenshots - rather than photographing the screen:

https://www.techrepublic.com/article/how-to-take-screenshots-in-windows-10/ 

You could also attach your .ioc file

[vijaysriram694]

this is stm32 h7 but i had tried in also f1,g4,h7

[vijaysriram694]

I cant have access to able to attach this so taken photo