STM32MP157A datasheet(128/259 Pages) STMICROELECTRONICS

128 / 259 page

Electrical characteristics

STM32MP157A/D

128/259

DS12504 Rev 5

6.3.2

Operating conditions at power-up / power-down

Subject to general operating conditions.

VDDA1V8_REG

USB HS PHY voltage

supply with 1.8 V

regulator in bypass

mode

BYPASS_REG1V8 = VDD

1.65

1.8

1.95

VIN

I/O Input voltage

TTxa I/O

-0.3

VDD+0.3

OTG_VBUS I/O

-0.3

6(12)

DDR I/O

-0.3

VDDQ_DDR

USB HS I/O

-1

5.25

All I/O except TTxa

-0.3

See(13)

Junction temperature

range

Suffix 1 version

-20

105

Suffix 3 version

-40

125

1. Once nRST is released functionality is guaranteed down to VBOR falling edge max.

2. Min VDD is 2.25 V when REG1V8 is used BYPASS_REG1V8 = 0.

3. Should be connected to same power supply voltage as VDD.

4. It is recommended to connect VDD_PLL and VDD_PLL2 to same power supply as VDD.

5. Only for STM32MP157Dxx1 devices

6. 1.25 V is the max allowed voltage, however LPLV-Stop mode is only relevant for VDDCORE up to 0.95 V. In LPLV-Stop

mode, if VDDQ_DDR is not shutdown, to avoid overconsumption on VDDQ_DDR, the DDR memory must be put in

SelfRefresh and DDR PHY must be set in retention mode (setting bit DDRRETEN: DDR retention enable of PWR control

7. DAC cannot be used with VREF below 1.8 V.

8. ADC cannot be used with VREF below 2 V and VDDA above 2 V.

9. Depending on package selected, either VDD3V3_USBFS and VDD3V3_USBHS or only VDD3V3_USB are available.

10. For operation with voltage higher than Min (VDD, VDDA, VDD3V3_USBFS) + 0.3 V, the internal Pull-up and Pull-Down resistors

must be disabled.

11. Independent from any other supply, see details in Section 3.8.1: Power supply scheme.

12. Min(VDD, VDD3V3_USBFS) + 3.6 V < 6 V.

13. Min(VDD, VDDA, VDD3V3_USBFS) + 3.6 V < 5.5 V. This formula has to be applied on power supplies related to the IO

structure described by the pin definition table.

Table 13. General operating conditions (continued)

Symbol

Parameter

Operating conditions

Min.

Typ

Max.

Unit

STM32MP157A 数据表(PDF) 128 Page - STMicroelectronics

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