BLUENRG-332VC datasheet(43/67 Pages) STMICROELECTRONICS

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6.3.7

Supply current characteristics

The current consumption is a function of several parameters and factors such as: the operating voltage, ambient

temperature, I/O pin loading, device software configuration, operating frequencies, I/O pin switching rate, program

location in memory and executed binary code.

The MCU is put under the following conditions:

•

all I/O pins are in analog input mode

•

all peripherals are disabled except when explicitly mentioned

•

the flash memory access time is adjusted with the minimum wait states number

•

when the peripherals are enabled fPCLK = fHCLK

Table 25. Current consumption

Symbol

Parameter

Conditions

Typ.

Unit

25 °C

85 °C

105 °C

IDD(RUN)

Supply current in RUN mode

fHCLK = 64 MHz

All peripherals disabled

1821

1863

1898

µA

fHCLK = 32 MHz

All peripherals disabled

1594

1634

1669

fHCLK = 16 MHz

All peripherals disabled

1481

1521

1554

IDD(DEEPSTOP)

Supply current in DEEPSTOP(1)

Clock OFF

654

3930

8870

Clock source LSI

1214

4556

9530

Clock source LSI

RTC ON

1272

4653

9674

Clock source LSI

IWDG ON

1232

4584

9569

Clock source LSI

RTC, LPUART and IWDG ON

1291

4682

9722

Clock source LSE

991

4828

10596

Clock source LSE

RTC ON

1010

4344

9316

Clock source LSE

IWDG ON

971

4277

9242

Clock source LSE.

LPUART ON

1076

4458

9426

Clock source LSE

RTC, LUART and IWDG ON

1150

4585

9646

IDD(SHUTDOWN)

Supply current in SHUTDOWN

350

1090

IDD(RST)

Current under reset condition

1098

1160

1230

µA

1. The current consumption in DEEPSTOP is measured considering the entire SRAM retained.

BlueNRG-LPS

Operating conditions

DS13819 - Rev 4

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