STM8SPLNB1 datasheet(24/44 Pages) STMICROELECTRONICS

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Electrical characteristics

STM8SPLNB1

24/44

DocID018831 Rev 5

4.3.2

VCAP external capacitor

Stabilization for the internal voltage regulator is achieved connecting an external capacitor

CEXT to the VCAP pin (see Figure 2: STM8SPLNB1 typical configuration). CEXT is specified

in Table 22: General operating conditions. Care should be taken to limit the series

inductance to less than 15 nH.

Figure 11. External capacitor CEXT

1. ESR is the equivalent series resistance and ESL is the equivalent inductance.

4.3.3

Supply current characteristics

Total current consumption in run mode

The MCU is placed under the following conditions:

–

All I/O pins in input mode with a static value at VDD or VSS (no load)

Subject to general operating conditions for VDD and TA.

Table 24. Total current consumption at VDD = 5 V

Symbol

Parameter

Conditions

Typ

Max(1)

1. Data based on characterization results, not tested in production.

Unit

IDD(RUN)

Supply

current in run

mode

fCPU = 16 MHz,

VDD = 5V

HSI RC osc. (16 MHz)

4.7

5.8

fCPU = 16 MHz,

VDD = 3.3V

HSI RC osc. (16 MHz)

4.7

5.8

IDD(R)

Supply

current in

reset state(2)

2. Characterized with all I/Os tied to VSS.

VDD = 5 V

400

μA

Table 25. Output driving current

Symbol

Parameter

Conditions

Min

Max

Unit

VOL

Output low level

IIO = 10 mA, VDD = 5 V

IIO = 4 mA, VDD = 3.3 V

1(1)

1. Data based on characterization results, not tested in production

VOH

Output high level

IIO = 10 mA, VDD = 5 V

2.8

IIO = 4 mA, VDD = 3.3 V

2.1(1)

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