STM32L432KB datasheet(130/149 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L432KB STM3L432KC

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DocID028798 Rev 2

6.3.21

Temperature sensor characteristics

6.3.22

Timer characteristics

The parameters given in the following tables are guaranteed by design.

Refer to Section 6.3.14: I/O port characteristics for details on the input/output alternate

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

Table 71. TS characteristics

Symbol

Parameter

Min

Typ

Max

Unit

TL(1)

VTS linearity with temperature

±1

±2

°C

Avg_Slope(2)

Average slope

2.3

2.5

2.7

mV/°C

V30

Voltage at 30°C (±5 °C)(3)

0.742

0.76

0.785

tSTART

(TS_BUF)(1)

Sensor Buffer Start-up time in continuous mode(4)

-8

µs

tSTART(1)

Start-up time when entering in continuous mode(4)

-70

120

µs

tS_temp(1)

ADC sampling time when reading the temperature

µs

IDD(TS)(1)

Temperature sensor consumption from VDD, when

selected by ADC

-4.7

µA

1. Guaranteed by design.

2. Guaranteed by characterization results.

3. Measured at VDDA = 3.0 V ±10 mV. The V30 ADC conversion result is stored in the TS_CAL1 byte. Refer to Table 6:

Temperature sensor calibration values.

Continuous mode means Run/Sleep modes, or temperature sensor enable in Low-power run/Low-power sleep modes.

Table 72. TIMx(1) characteristics

1. TIMx, is used as a general term in which x stands for 1,2,3,4,5,6,7,8,15,16 or 17.

Symbol

Parameter

Conditions

Min

Max

Unit

tres(TIM)

Timer resolution time

-1

tTIMxCLK

fTIMxCLK = 80 MHz

12.5

fEXT

Timer external clock

frequency on CH1 to CH4

-0

fTIMxCLK/2

MHz

fTIMxCLK = 80 MHz

MHz

ResTIM

Timer resolution

TIMx (except

TIM2)

-16

bit

TIM2

tCOUNTER

16-bit counter clock

period

65536

tTIMxCLK

fTIMxCLK = 80 MHz 0.0125

819.2

µs

tMAX_COUNT

Maximum possible count

with 32-bit counter

65536 × 65536

tTIMxCLK

fTIMxCLK = 80 MHz

53.68

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