ST7LITE3 datasheet(139/167 Pages) STMICROELECTRONICS

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ST7LITE3

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SUPPLY CURRENT CHARACTERISTICS (Cont’d)

Figure 78. Typical IDD in WAIT vs. fCPU

Figure 79. Typical IDD in SLOW-WAIT vs. fCPU

Figure 80. Typical IDD vs. Temperature

at VDD = 5V and fOSC = 16MHz

Figure 81. Typical IDD vs. Temperature and VDD

at fOSC = 16MHz

13.4.2 On-chip peripherals

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 LINSCI running at maximum speed configuration (500 kbaud,

continuous transmission of AA +RE enabled and LINSCI off. This measurement includes the pad toggling consump-

tion.

0.0

0.5

1.0

1.5

2.0

2.5

2.4

2.7

3.3

456

Vdd (V)

8MHz

4MHz

1MHz

0.00

100.00

200.00

300.00

400.00

500.00

600.00

700.00

800.00

2.4

2.7

3.3

Vdd (V)

8MHz

4MHz

1MHz

0.00

1.00

2.00

3.00

4.00

5.00

6.00

-45

130

Temperature (°C)

RUN

WAIT

SLOW

SLOW WAIT

0.00

1.00

2.00

3.00

4.00

5.00

6.00

-45

130

Temperature (°C)

3.3

2.7

Symbol

Parameter

Conditions

Typ

Unit

IDD(AT)

12-bit Auto-Reload Timer supply current 1)

fCPU=4MHz

VDD=3.0V

150

µA

fCPU=8MHz

VDD=5.0V

1000

IDD(SPI)

SPI supply current 2)

fCPU=4MHz

VDD=3.0V

fCPU=8MHz

VDD=5.0V

200

IDD(ADC)

ADC supply current when converting 3)

fADC=4MHz

VDD=3.0V

250

VDD=5.0V

1100

IDD(LINSCI) LINSCI supply current when transmitting

fCPU=8MHz

VDD=5.0V

650

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