ST72344 datasheet(159/191 Pages) STMICROELECTRONICS

159 / 191 page

ST72340, ST72344, ST72345

159/191

13.6.2 On-chip peripherals

Notes:

1. Data based on a differential IDD measurement between reset configuration (timer stopped) and a timer running in PWM

mode at fcpu=8MHz.

2. Data based on a differential IDD measurement between reset configuration and a permanent SPI master communica-

tion (data sent equal to 55h).

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

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

communication at 100kHz (data sent equal to 55h). This measurement include the pad toggling consumption (27kOhm

external pull-up on clock and data lines).

5. Data based on a differential IDD measurement between SCI low power state (SCID=1) and a permanent SCI data trans-

mit sequence.

Symbol

Parameter

Conditions

Typ

Unit

IDD(16-b timer)

16-bit Timer supply current 1)

fCPU=4MHz

VDD=3.0V

µA

fCPU=8MHz

VDD=5.0V

100

IDD(SPI)

SPI supply current 2)

fCPU=4MHz

VDD=3.0V

250

fCPU=8MHz

VDD=5.0V

800

IDD(ADC)

ADC supply current when converting 3)

fADC=2MHz

VDD=3.0V

300

fADC=4MHz

VDD=5.0V

1000

IDD(I2C)

I2C supply current 4)

fCPU=4MHz

VDD=3.0V

100

fCPU=8MHz

VDD=5.0V

500

IDD(SCI)

SCI supply current 5)

fCPU=4MHz

VDD=3.0V

250

fCPU=8MHz

VDD=5.0V

800

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