STM32L152RCY7TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32L152RCY7TR

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC

STMicroelectronics 

STM32L151xC STM32L152xC

Electrical characteristics

Figure 20. Recommended NRST pin protection

6.3.15

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DLE

1. The reset network protects the device against parasitic resets. 0.1 uF capacitor must be placed as close as

possible to the chip.

2.

The user must ensure that the

Table 46. Otherwise the reset

wleilvl enlootnbethteakNeRnSinTtopiancccaonungtobbyetlhoewdtheevicVeIL. (NRST)

max

level

specified

in

TIM timer characteristics

The parameters given in the Table 47 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 47. TIMx(1) characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

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

tTIMxCLK

ns

MHz

MHz

bit

tTIMxCLK

µs

tTIMxCLK

s

DocID022799 Rev 13

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