STM32L162VD datasheet(87/115 Pages) STMICROELECTRONICS

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STM32L162VD-X

Electrical characteristics

107

Figure 15. Recommended NRST pin protection

1. The reset network protects the device against parasitic resets.

2. The user must ensure that the level on the NRST pin can go below the VIL(NRST) max level specified in

Table 44. Otherwise the reset will not be taken into account by the device.

6.3.15

TIM timer characteristics

The parameters given in the Table 45 are guaranteed by design.

Refer to Section 6.3.13: I/O port characteristics for details on the input/output ction

characteristics (output compare, input capture, external clock, PWM output).

Table 45. 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

tres(TIM)

Timer resolution time

-1

tTIMxCLK

fTIMxCLK = 32 MHz 31.25

fEXT

Timer external clock

frequency on CH1 to CH4

-0

fTIMxCLK/2

MHz

fTIMxCLK = 32 MHz

MHz

ResTIM

Timer resolution

bit

tCOUNTER

16-bit counter clock

period when internal clock

is selected (timer’s

prescaler disabled)

65536

tTIMxCLK

fTIMxCLK = 32 MHz 0.0312

2048

µs

tMAX_COUNT Maximum possible count

65536 × 65536

tTIMxCLK

fTIMxCLK = 32 MHz

134.2

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