STM32L15XRC datasheet(57/136 Pages) STMICROELECTRONICS

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STM32L151xC STM32L152xC

Electrical characteristics

109

6.3.2

Embedded reset and power control block characteristics

The parameters given in the following table are derived from the tests performed under the

conditions summarized in Table 14.

Ambient temperature for 6 suffix version Maximum power dissipation(5)

–40

°C

Ambient temperature for 7 suffix version Maximum power dissipation

–40

105

Junction temperature range

6 suffix version

–40

105

°C

7 suffix version

–40

110

1. When the ADC is used, refer to Table 56: ADC characteristics.

2. It is recommended to power VDD and VDDA from the same source. A maximum difference of 300 mV between VDD and

VDDA can be tolerated during power-up and up to 140 mV in operation.

3. To sustain a voltage higher than VDD+0.3V, the internal pull-up/pull-down resistors must be disabled.

4. If TA is lower, higher PD values are allowed as long as TJ does not exceed TJ max (see Table 73: Thermal characteristics

on page 128).

5. In low-power dissipation state, TA can be extended to -40°C to 105°C temperature range as long as TJ does not exceed TJ

max (see Table 73: Thermal characteristics on page 128).

Table 14. General operating conditions (continued)

Symbol

Parameter

Conditions

Min

Max

Unit

Table 15. Embedded reset and power control block characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tVDD(1)

VDD rise time rate

BOR detector enabled

∞

µs/V

BOR detector disabled

1000

VDD fall time rate

BOR detector enabled

∞

BOR detector disabled

1000

TRSTTEMPO(1) Reset temporization

VDD rising, BOR enabled

3.3

VDD rising, BOR disabled(2)

0.4

0.7

1.6

VPOR/PDR

Power on/power down reset

threshold

Falling edge

1.5

1.65

Rising edge

1.3

1.5

1.65

VBOR0

Brown-out reset threshold 0

Falling edge

1.67

1.7

1.74

Rising edge

1.69

1.76

1.8

VBOR1

Brown-out reset threshold 1

Falling edge

1.87

1.93

1.97

Rising edge

1.96

2.03

2.07

VBOR2

Brown-out reset threshold 2

Falling edge

2.22

2.30

2.35

Rising edge

2.31

2.41

2.44

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