STM8S103F2 datasheet(91/117 Pages) STMICROELECTRONICS

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Prequalification trials

Most of the common failures (unexpected reset and program counter corruption) can be

recovered by applying a low state on the NRST pin or the oscillator pins for 1 second.

To complete these trials, ESD stress can be applied directly on the device, over the range of

specification values. When unexpected behavior is detected, the software can be hardened

to prevent unrecoverable errors occurring. See application note AN1015 (Software techniques

for improving microcontroller EMC performance).

Table 48: EMS data

Level/

class

Conditions

Parameter

Symbol

2/B

(1)

VDD = 3.3 V, TA = 25 °C, fMASTER = 16 MHz

(HSI clock), conforming to IEC 61000-4-2

Voltage limits to be

applied on any I/O pin to

induce a functional

disturbance

VFESD

4/A

(1)

VDD= 3.3 V, TA = 25 °C ,fMASTER = 16 MHz

(HSI clock),conforming to IEC 61000-4-4

Fast transient voltage

burst limits to be applied

through 100 pF on VDD

VEFTB

and VSS pins to induce a

functional disturbance

(1)Data obtained with HSI clock configuration, after applying HW recommendations described

in AN2860 (EMC guidelines for STM8S microcontrollers).

Electromagnetic interference (EMI)

10.3.11.3

Based on a simple application running on the product (toggling 2 LEDs through the I/O ports),

the product is monitored in terms of emission. This emission test is in line with the norm SAE

IEC 61967-2 which specifies the board and the loading of each pin.

Table 49: EMI data

Unit

Conditions

Parameter

Symbol

Max fHSE/fCPU

(1)

Monitored

frequency band

General

conditions

16 MHz/

16 MHz

16 MHz/

8 MHz

dBμV

0.1 MHz to

VDD = 5 V

TA = 25 °C

Peak level

SEMI

30 MHz

LQFP32

package

30 MHz to

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Electrical characteristics

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