STM32MP157F datasheet(209/260 Pages) STMICROELECTRONICS

номер детали	STM32MP157F

подробное описание детали	Arm® dual Cortex®-A7 800 MHz Cortex®-M4 MPU, 3D GPU, TFT/DSI, 37 comm. interfaces, 29 timers, adv. analog, crypto

PDF	260 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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209 / 260 page

DS12505 Rev 5

209/260

STM32MP157C/F

Electrical characteristics

238

6.3.25

Temperature sensor characteristics

6.3.26

DTS characteristics

Table 83. Temperature sensor characteristics

Symbol

Parameter

Min

Typ Max

Unit

TL(1)

1. Guaranteed by design.

VSENSE linearity with temperature (from Vsensor

voltage)

°C

VSENSE linearity with temperature (from ADC counter)

Avg_Slope(2)

2. Guaranteed by characterization.

Average slope (from Vsensor voltage)

mV/°C

Average slope (from ADC counter)

V30(3)

3. Measured at VDDA = 3.3 V ± 10 mV. The V30 ADC conversion result is stored in the TS_CAL1 byte.

Voltage at 30 °C ± 5 °C

0.62

tstart_run(1)

Startup time in Run mode (buffer startup)

5.3

40.5

µs

tS_temp(1)

ADC sampling time when reading the temperature

9.8

Isens(1)

Sensor consumption

0.11 0.18 0.31

µA

Isensbuf(1)

Sensor buffer consumption

2.3

3.8

6.1

Table 84. Temperature sensor calibration values

Symbol

Parameter

Memory address

TS_CAL1

TS ADC raw data acquired at temperature of

30 °C ±5 °C

VDDA = VREF+ = 3.3 V ±10 mV

0x5C00 525C[15:0](1)(2)

1. It is mandatory to read a 32-bit word and to do relevant masking and shifting to isolate the required bits.

2. This address is located inside the BSEC and the access is allowed after being enabled in the RCC.

TS_CAL2

TS ADC raw data acquired at temperature of

130 °C ±2 °C

VDDA = VREF+ = 3.3 V ±10 mV

0x5C00 525C[31:16](1)(2)

Table 85. DTS characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fDTS

Output Clock frequency (PTAT

clock)

500

kHz

TSLOPE

Average slope

1600

Hz/°C

Linearity with temperature (from

Output clock frequency).

VDDCORE = 1.2 V

3.8

°C

TTOTAL_

ERROR

Temperature measurement error

VDDCORE = 1.2 V

Temperature:

-40 to 125 °C

-5

°C

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