CD00253742 Datasheet, PDF (90/120 Pages) STMicroelectronics – XL-density performance line ARM-based 32-bit MCU

Electrical characteristics
STM32F103xF, STM32F103xG
5.3.16
TIM timer characteristics
The parameters given in Table 53 are guaranteed by design.
Refer to Section 5.3.14: I/O port characteristics for details on the input/output alternate
function characteristics (output compare, input capture, external clock, PWM output).
Table 53. TIMx⁽¹⁾ characteristics
Symbol
Parameter
Conditions
Min
Max
Unit
t_res(TIM)
f_EXT
Res_TIM
Timer resolution time
f_TIMxCLK = 72 MHz
Timer external clock
frequency on CH1 to CH4 _{fTIMxCLK = 72 MHz}
Timer resolution
1
13.9
0
0
-
-
-
f_TIMxCLK/2
36
16
t_COUNTER
16-bit counter clock period
1
when internal clock is
selected
f_TIMxCLK = 72 MHz 0.0139
65536
910
-
t_{MAX_COUNT} Maximum possible count
f_TIMxCLK = 72 MHz
-
65536 × 65536
59.6
1. TIMx is used as a general term to refer to the TIM1, TIM2, TIM3 and TIM4 timers.
t_TIMxCLK
ns
MHz
MHz
bit
t_TIMxCLK
µs
t_TIMxCLK
s
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Doc ID 16554 Rev 3