STM32L151VBH6 데이터 시트보기 (PDF) - STMicroelectronics

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STM32L151VBH6

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC

STMicroelectronics 

Electrical characteristics

STM32L151x6/8/B STM32L152x6/8/B

Figure 20. Recommended NRST pin protection

6.3.15

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538

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DLE

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

2.

The user must ensure that the

Table 45. Otherwise the reset

wleilvl enlootnbethteakNeRnSinTtopiancccaonungtobbyetlhoewdtheevicVeIL. (NRST)

max

level

specified

in

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

Symbol

Parameter

Conditions

Min

Max

tres(TIM)

fEXT

ResTIM

tCOUNTER

Timer resolution time

-

fTIMxCLK = 32 MHz

Timer external clock

-

frequency on CH1 to CH4 fTIMxCLK = 32 MHz

Timer resolution

-

1

31.25

0

0

-

16-bit counter clock

period when internal clock

is selected (timer’s

prescaler disabled)

-

1

fTIMxCLK = 32 MHz 0.0312

-

-

fTIMxCLK/2

16

16

65536

2048

-

-

tMAX_COUNT Maximum possible count fTIMxCLK = 32 MHz

-

1. TIMx is used as a general term to refer to the TIM2, TIM3 and TIM4 timers.

65536 × 65536

134.2

Unit

tTIMxCLK

ns

MHz

MHz

bit

tTIMxCLK

µs

tTIMxCLK

s

86/133

DocID17659 Rev 12

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