STM32MP151AAA3T datasheet(202/245 Pages) STMICROELECTRONICS

202 / 245 page

Electrical characteristics

STM32MP151A

202/245

DS12500 Rev 1

6.3.25

DTS characteristics

6.3.26

VBAT ADC monitoring characteristics and charging characteristics

Table 79. 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 80. DTS characteristics(1)

1. Guaranteed by design.

Symbol

Parameter

Conditions

Min

Typ

Max Unit

fDTP

Output Clock frequency (PTAT

dependency)

TBD TBD TBD

kHz

Linearity with temperature (from

Output clock frequency).

Temperature error at 1.1 V

TBD TBD TBD

°C

TTOTAL_

ERROR

(2)

2. Guaranteed by characterization.

Temperature offset measurement

Temperature:

-40 to 125 °C

TBD TBD TBD

°C

TVDD

CORE

Additional error due to supply

variation

-10

°C/V

tTRIM

Calibration time

tWAKE_UP

Wake-up time from off state until

DTP ready signal = 1

-50

μs

IDDCORE_DTP DTP consumption on VDDCORE

-20

TBD

µA

Table 81. VBAT ADC monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Resistor bridge for VBAT

-TBD

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

9.8

µs

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