ST72325AR7-Auto datasheet(197/243 Pages) STMICROELECTRONICS

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ST72325xxx-Auto

Electrical characteristics

Doc ID 13770 Rev 3

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19.4.3

On-chip peripherals

Measured on LQFP64 generic board TA = 25°C, fCPU =4MHz.

Table 114.

On-chip peripherals current consumption

Symbol

Parameter

Conditions

Typ

Unit

IDD(TIM)

16-bit timer supply current(1)

Data based on a differential IDD measurement between reset configuration (timer counter running at

fCPU/4) and timer counter stopped (only TIMD bit set). Data valid for one timer.

VDD  5.0V

µA

IDD(ART)

ART PWM supply current(2)

Data based on a differential IDD measurement between reset configuration (timer stopped) and timer

counter enabled (only TCE bit set).

VDD  5.0V

µA

IDD(SPI)

SPI supply current(3)

Data based on a differential IDD measurement between reset configuration (SPI disabled) and a permanent

SPI master communication at maximum speed (data sent equal to 55h). This measurement includes the

pad toggling consumption.

VDD  5.0V

400

µA

IDD(SCI)

SCI supply current(4)

Data based on a differential IDD measurement between SCI low power state (SCID = 1) and a permanent

SCI data transmit sequence.

IDD(I2C)

I2C supply current(5)

Data based on a differential IDD measurement between reset configuration (I2C disabled) and a permanent

I2C master communication at 100 kHz (data sent equal to 55h). This measurement includes the pad

toggling consumption (27k ohm external pull-up on clock and data lines).

VDD  5.0V

175

µA

IDD(ADC) ADC supply current when converting

(6)

Data based on a differential IDD measurement between reset configuration and continuous A/D

conversions.

VDD  5.0V

400

µA

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