ST STM32F207 series - TIM6 and TIM7 Auto-Reload Register (Timx_Arr); TIM6 and TIM7 Prescaler (Timx_Psc)

Basic timers (TIM6 and TIM7) RM0033
494/1381 RM0033 Rev 9
16.4.7 TIM6 and TIM7 prescaler (TIMx_PSC)
Address offset: 0x28
Reset value: 0x0000
16.4.8 TIM6 and TIM7 auto-reload register (TIMx_ARR)
Address offset: 0x2C
Reset value: 0xFFFF
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PSC[15:0]
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Bits 15:0 PSC[15:0]: Prescaler value
The counter clock frequency CK_CNT is equal to f
CK_PSC
/ (PSC[15:0] + 1).
PSC contains the value to be loaded in the active prescaler register at each update event
(including when the counter is cleared through UG bit of TIMx_EGR register or through
trigger controller when configured in “reset mode”).
1514131211109876543210
ARR[15:0]
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Bits 15:0 ARR[15:0]: Auto-reload value
ARR is the value to be loaded into the actual auto-reload register.
Refer to Section 16.3.1: Time-base unit for more details about ARR update and behavior.
The counter is blocked while the auto-reload value is null.