STM8S105xx
Electrical characteristics
Table 48: EMS data
Symbol Parameter
Conditions
Level/
class
VFESD
Voltage limits to be
applied on any I/O pin to
induce a functional
disturbance
VDD = 3.3 V, TA = 25 °C, fMASTER = 16 MHz
(HSI clock), conforming to IEC 61000-4-2
2/B (1)
VEFTB
Fast transient voltage
burst limits to be applied
through 100 pF on VDD
and VSS pins to induce a
functional disturbance
VDD= 3.3 V, TA = 25 °C ,fMASTER = 16 MHz
(HSI clock),conforming to IEC 61000-4-4
4/A (1)
(1)Data obtained with HSI clock configuration, after applying HW recommendations described
in AN2860 (EMC guidelines for STM8S microcontrollers).
10.3.12.3 Electromagnetic interference (EMI)
Emission tests conform to the IEC61967-2 standard for test software, board layout and pin
loading.
Table 49: EMI data
Symbol Parameter Conditions
Unit
General
conditions
Monitored
frequency
band
Max fHSE/fCPU (1)
8 MHz/ 8
MHz
8 MHz/ 16
MHz
SEMI
Peak level
VDD = 5 V,
TA = +25 °C,
LQFP48
package
conforming to
IEC61967-2
0.1 MHz to 13
30 MHz
30 MHz to 23
130 MHz
130 MHz to 1 -4
GHz
14
dBµV
19
-4
SAE EMI
level
2
1.5
—
(1) Data based on characterization results, not tested in production.
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