ST72344K2 datasheet(208/247 Pages) STMICROELECTRONICS

208 / 247 page

Electrical characteristics

ST72344xx, ST2345xx

208/247

Doc ID 12321 Rev 6

Figure 95.

Typical IDD vs. temp. at VDD = 5 V and fCPU = 8 MHz

Table 94.

On-chip peripherals

Symbol

Parameter

Conditions

Typ

Unit

IDD(16-bit timer)

16-bit Timer supply current (1)

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

running in PWM mode at fcpu=8 MHz.

fCPU = 4 MHz VDD = 3.0 V

μA

fCPU = 8 MHz VDD = 5.0 V

100

IDD(SPI)

SPI supply current (2)

Data based on a differential IDD measurement between reset configuration and a permanent SPI master

communication (data sent equal to 55h).

fCPU = 4 MHz VDD = 3.0 V

250

fCPU = 8 MHz VDD = 5.0 V

800

IDD(ADC)

ADC supply current when

converting (3)

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

conversions.

fADC = 2 MHz VDD = 3.0 V

300

fADC = 4 MHz VDD = 5.0 V

1000

IDD(I2C)

I2C supply current (4)

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 include the

pad toggling consumption

(4.7 k

Ω external pull-up on clock and data lines).

fCPU = 4 MHz VDD = 3.0 V

100

fCPU = 8 MHz VDD = 5.0 V

500

IDD(SCI)

SCI supply current (5)

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

SCI data transmit sequence.

fCPU = 4 MHz VDD = 3.0 V

250

fCPU = 8 MHz VDD = 5.0 V

800

0.00

1.00

2.00

3.00

4.00

5.00

6.00

-45

110

Temperature (°C)

RUN

WAIT

SLOW

SLOW-WAIT

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