Tim6&Tim7 Prescaler (Timx_Psc) - STMicroelectronics STM32F405 Reference Manual

RM0090
20.4.7 TIM6&TIM7 prescaler (TIMx_PSC)
Address offset: 0x28
Reset value: 0x0000
15 14 13
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Bits 15:0 PSC[15:0]: Prescaler value
The counter clock frequency CK_CNT is equal to f
PSC contains the value to be loaded into the active prescaler register at each update event.
20.4.8 TIM6&TIM7 auto-reload register (TIMx_ARR)
Address offset: 0x2C
Reset value: 0x0000
15 14 13
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Bits 15:0 ARR[15:0]: Auto-reload value
12 11 10 9
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12 11 10 9
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ARR is the value to be loaded into the actual auto-reload register.
Refer to Section 20.3.1: Time-base unit on page 689
behavior.
The counter is blocked while the auto-reload value is null.
DocID018909 Rev 11
8 7 6 5
PSC[15:0]
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CK_PSC
8 7 6 5
ARR[15:0]
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for more details about ARR update and
Basic timers (TIM6&TIM7)
4 3 2
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/ (PSC[15:0] + 1).
4 3 2
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1 0
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1 0
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