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ST72321 Datasheet(PDF) 154 Page - STMicroelectronics |
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ST72321 Datasheet(HTML) 154 Page - STMicroelectronics |
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154 / 189 page ![]() ST72321 154/189 EMC CHARACTERISTICS (Cont’d) 12.7.2 Electro Magnetic Interference (EMI) 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 J 1752/ 3 which specifies the board and the loading of each pin. Notes: 1. Data based on characterization results, not tested in production. 2. Refer to Application Note AN1709 for data on other package types. Symbol Parameter Conditions Monitored Frequency Band Max vs. [fOSC/fCPU] Unit 8/4MHz 16/8MHz SEMI Peak level VDD=5V, TA=+25°C, TQFP64 14x14 package conforming to SAE J 1752/3 0.1MHz to 30MHz 15 15 dB µV 30MHz to 130MHz 20 27 130MHz to 1GHz 0 5 SAE EMI Level 2.5 3.0 - SEMI Peak level VDD=5V, TA=+25°C, TQFP44 package conforming to SAE J 1752/3 0.1MHz to 30MHz 18 23 dB µV 30MHz to 130MHz 16 24 130MHz to 1GHz 11 17 SAE EMI Level 2.5 3.0 - |
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