Datasheet

DocID17659 Rev 9 87/131
STM32L151x6/8/B, STM32L152x6/8/B Electrical characteristics
105
6.3.15 TIM timer characteristics
The parameters given in Table 46 are guaranteed by design.
Refer to Section 6.3.13: I/O port characteristics for details on the input/output alternate
function characteristics (output compare, input capture, external clock, PWM output).
Table 46. TIMx
(1)
characteristics
1. TIMx is used as a general term to refer to the TIM2, TIM3 and TIM4 timers.
Symbol Parameter Conditions Min Max Unit
t
res(TIM)
Timer resolution time
-1-t
TIMxCLK
f
TIMxCLK
= 32 MHz 31.25 - ns
f
EXT
Timer external clock
frequency on CH1 to CH4
-0f
TIMxCLK
/2 MHz
f
TIMxCLK
= 32 MHz 0 16 MHz
Res
TIM
Timer resolution - - 16 bit
t
COUNTER
16-bit counter clock
period when internal clock
is selected (timer’s
prescaler disabled)
- 1 65536 t
TIMxCLK
f
TIMxCLK
= 32 MHz 0.0312 2048 µs
t
MAX_COUNT
Maximum possible count
- - 65536 × 65536 t
TIMxCLK
f
TIMxCLK
= 32 MHz - 134.2 s