STM32H7 datasheet(178/357 Pages) STMICROELECTRONICS

Part #	STM32H7

Description	32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces

PDF	357 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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178 / 357 page

Electrical characteristics (rev Y)

STM32H742xI/G STM32H743xI/G

178/357

DS12110 Rev 10

6.3.24

Temperature and VBAT monitoring

2. Guaranteed by characterization.

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

byte.

Table 93. Temperature sensor calibration values

Symbol

Parameter

Memory address

TS_CAL1

Temperature sensor raw data acquired value at

30 °C, VDDA=3.3 V

0x1FF1 E820 -0x1FF1 E821

TS_CAL2

Temperature sensor raw data acquired value at

110 °C, VDDA=3.3 V

0x1FF1 E840 - 0x1FF1 E841

Table 94. VBAT monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Resistor bridge for VBAT

-26

KΩ

Ratio on VBAT measurement

Er(1)

1. Guaranteed by design.

Error on Q

–10

+10

tS_vbat(1)

ADC sampling time when reading VBAT input

µs

VBAThigh

High supply monitoring

3.55

VBATlow

Low supply monitoring

1.36

Table 95. VBAT charging characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

RBC

Battery charging resistor

VBRS in PWR_CR3= 0

KΩ

VBRS in PWR_CR3= 1

1.5

Table 96. Temperature monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

TEMPhigh

High temperature monitoring

117

°C

TEMPlow

Low temperature monitoring

–25

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