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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ST7232A 数据表(PDF) 126 Page - STMicroelectronics |
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ST7232A 数据表(HTML) 126 Page - STMicroelectronics |
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126 / 157 page  ST7232A 126/157 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. 3. Under completion Symbol Parameter Conditions Device/ Package Monitored Frequency Band Max vs. [fOSC/fCPU] Unit 8/4MHz 16/8MHz SEMI Peak level1) VDD=5V, TA=+25°C conforming to SAE J 1752/3 Flash/TQFP32 0.1MHz to 30MHz 25 27 dB µV 30MHz to 130MHz 30 36 130MHz to 1GHz 18 23 SAE EMI Level 3.0 3.5 - ROM/TQFP32 3) 0.1MHz to 30MHz 25 27 dB µV 30MHz to 130MHz 30 36 130MHz to 1GHz 18 23 SAE EMI Level 3.0 3.5 - 8K Flash/TQFP44 0.1MHz to 30MHz 12 18 dB µV 30MHz to 130MHz 19 25 130MHz to 1GHz 15 22 SAE EMI Level 3 3.5 - 8K ROM/TQFP44 0.1MHz to 30MHz 12 15 dB µV 30MHz to 130MHz 23 26 130MHz to 1GHz 15 20 SAE EMI Level 3.0 3.5 - 1 |
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