ST7FLITE25F1B6 datasheet(128/166 Pages) STMICROELECTRONICS

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Electrical characteristics

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Doc ID 8349 Rev 5

Figure 65. Typical IDD vs. temperature at VDD = 5V and fCPU = 8MHz

13.5

Clock and timing characteristics

Subject to general operating conditions for VDD, fOSC, and TA.

Table 68.

On-chip peripherals

Symbol

Parameter

Conditions

Typ

Unit

IDD(AT)

12-bit Auto-Reload 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= 8MHz.

fCPU=4MHz

VDD=3.0V

300

μA

fCPU=8MHz

VDD=5.0V

1000

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=4MHz

VDD=3.0V

fCPU=8MHz

VDD=5.0V

300

IDD(ADC) ADC supply current when converting

(3)

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

conversions with amplifier off.

fADC=4MHz

VDD=3.0V

250

VDD=5.0V

1100

2.0

3.0

4.0

5.0

6.0

7.0

8.0

2.4

2.8

3.2

3.6

4.4

4.8

5.2

5.6

Vdd (V)

25°

-45°

90°

130°

Table 69.

General Timings

Symbol

Parameter(1)

Guaranteed by design. Not tested in production.

Conditions

Min

Typ(2)

Data based on typical application software.

Max

Unit

tc(INST) Instruction cycle time

fCPU=8MHz

CPU

250

375

1500

tv(IT)

Interrupt reaction time(3)

tv(IT) = Δtc(INST) + 10

Time measured between interrupt event and interrupt vector fetch. Dtc(INST) is the number of tCPU cycles

needed to finish the current instruction execution.

fCPU=8MHz

−

CPU

1.25

−

2.75

μs

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