STM32U535NET6QTR datasheet(159/278 Pages) STMICROELECTRONICS

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Table 58. SRAM static power consumption in Stop 2 when supplied by SMPS

Symbol

Parameter

Typ

Max(1)

Unit

25°C

55°C

85°C 105°C 125°C 25°C

55°C

85°C 105°C 125°C

IDD(SRAM1_64kB)(2)

SRAM1 64-Kbyte page x static consumption

(SRAM1PDSx = 1 versus SRAM1PDSx = 0)

0.3

0.8

2.4

5.2

11.2

1.1

2.4

7.2

16.0

34.0

µA

IDD(SRAM2_8KB)(3)

SRAM2 8-Kbyte page 1 static consumption

(SRAM2PDS1 = 1 versus SRAM2PDS1 = 0)

0.1

0.2

0.6

1.2

2.7

0.2

0.6

1.8

3.7

8.2

IDD(SRAM2_56KB)(3)

SRAM2 56-Kbyte page 2 static consumption

(SRAM2PDS2 = 1 versus SRAM2PDS2 = 0)

0.4

1.0

3.2

7.0

14.9

1.2

3.1

9.6

21.0

45.0

IDD(SRAM4)

SRAM4 static consumption

(SRAM4PDS = 1 versus SRAM4PDS = 0)

0.1

0.2

0.7

1.6

3.4

0.3

0.7

2.1

4.8

11.0

IDD(ICRAM)

ICACHE SRAM static consumption

(ICRAMPDS = 1 versus ICRAMPDS = 0)

0.1

0.2

0.5

1.0

2.3

0.2

0.5

1.5

3.0

6.9

IDD(DC1RAM)

DCACHE1 SRAM static consumption

(DC1RAMPDS = 1 versus DC1RAMPDS = 0)

0.0

0.1

0.3

0.6

1.3

0.1

0.3

0.9

1.8

4.0

IDD(PRAM)

FMAC, FDCAN and USB SRAM static consumption

(PRAMPDS = 1 versus PRAMPDS = 0)

0.0

0.1

0.2

0.3

0.7

0.1

0.2

0.6

0.9

2.2

1. Evaluated by characterization. Not tested in production.

2. SRAM1 total consumption is 3 × IDD(SRAM1_64KB).

3. SRAM2 total consumption is IDD(SRAM2_8KB) + IDD(SRAM2_56KB).

Table 59. Current consumption during wake-up from Stop 2 mode on SMPS

Symbol

Parameter

Conditions

Typ

Unit

-VDD (V)

25°C

QDD(wakeup from Stop 2)

Electrical charge consumed during wake-up from

Stop 2 mode

Wake-up clock is MSI 24 MHz

3.0

0.57

nAs

Wake-up clock is HSI 16 MHz

0.18

Wake-up clock is MSI 1 MHz

1.19

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