Datasheet

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STM32F412xE/G Electrical characteristics
161
Electromagnetic Interference (EMI)
The electromagnetic field emitted by the device are monitored while a simple application,
executing EEMBC code, is running. This emission test is compliant with IEC61967-2
standard which specifies the test board and the pin loading.
6.3.14 Absolute maximum ratings (electrical sensitivity)
Based on three different tests (ESD, LU) using specific measurement methods, the device is
stressed in order to determine its performance in terms of electrical sensitivity.
Electrostatic discharge (ESD)
Electrostatic discharges (a positive then a negative pulse separated by 1 second) are
applied to the pins of each sample according to each pin combination. The sample size
depends on the number of supply pins in the device (3 parts × (n+1) supply pins). This test
conforms to the JESD22-A114/C101 standard.
Table 52. EMI characteristics for LQFP144
Symbol Parameter Conditions
Monitored
frequency band
Max vs.
[f
HSE
/f
CPU
]
Unit
8/100 MHz
S
EMI
Peak level
V
DD
= 3.6 V, T
A
= 25 °C, LQFP144
package, conforming to IEC 61967-2,
EEMBC, ART ON, all peripheral clocks
enabled, clock dithering disabled.
0.1 to 30 MHz 20
dBµV30 to 130 MHz 28
130 MHz to 1 GHz 21
EMI Level 3.5 -
Table 53. ESD absolute maximum ratings
Symbol Ratings Conditions Class
Maximum
value
(1)
Unit
V
ESD(HBM)
Electrostatic
discharge voltage
(human body model)
T
A
= +25 °C conforming to JESD22-A114 2 2000
V
V
ESD(CDM)
Electrostatic
discharge voltage
(charge device model)
T
A
= +25 °C conforming to ANSI/ESD STM5.3.1,
UFBGA144, UFBGA100, LQFP100, LQFP64,
UFQFPN48
4500
T
A
= +25 °C conforming to ANSI/ESD STM5.3.1,
WLCSP64
3400
T
A
= +25 °C conforming to ANSI/ESD STM5.3.1,
LQFP144
3250
1. Guaranteed by characterization, not tested in production.
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