Datasheet

DocID14611 Rev 10 93/136
STM32F103xC, STM32F103xD, STM32F103xE Electrical characteristics
129
5.3.16 TIM timer characteristics
The parameters given in Table 50 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 50.TIMx
(1)
characteristics
1. TIMx is used as a general term to refer to the TIM1, TIM2, TIM3 and TIM4 timers.
Symbol Parameter Conditions Min Max Unit
t
res(TIM)
Timer resolution time
1-
t
TIMxCLK
f
TIMxCLK
= 72 MHz 13.9 - ns
f
EXT
Timer external clock
frequency on CH1 to CH4
0
f
TIMxCLK
/2
MHz
f
TIMxCLK
= 72 MHz 0 36 MHz
Res
TIM
Timer resolution - 16 bit
t
COUNTER
16-bit counter clock period
when internal clock is
selected
1 65536
t
TIMxCLK
f
TIMxCLK
= 72 MHz 0.0139 910 µs
t
MAX_COUNT
Maximum possible count
- 65536 × 65536
t
TIMxCLK
f
TIMxCLK
= 72 MHz - 59.6 s