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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AN4068 датащи(PDF) 14 Page - STMicroelectronics |
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AN4068 датащи(HTML) 14 Page - STMicroelectronics |
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14 / 63 page  ST7580 reference design description AN4068 14/63 Doc ID 022923 Rev 2 7 ST7580 reference design description The ST7580 reference design is made up of the following sections: ● ST7580 device section ● Line coupling section, including four subsections: – Transmission active filter – Reception passive filter – Power line coupling – Zero crossing coupling ● STM32 microcontroller section. The board has also six external connections: – AC mains (line and neutral) on CN1 connector; – VCC (8 to 18 V) and VDDIO (3.3 or 5 V) supply voltages on CN2 connector – SD storage card on CN3 micro SD connector – USB interface for PC connectivity on CN4 mini-USB connector – Digital interface on J2 (5x2 connector), collecting UART and I2C digital access to the onboard STM32 microcontroller – JTAG interface for STM32 microcontroller on JTAG1 connector (10x2 connector). Figure 3. Board drawing with the various sections indicated Figure 4 gives a global view of the reference design. Table 3 lists the components chosen to realize the reference design board. All the parts have been selected in order to obtain good performance in a real case application. The layout of the printed circuit board is reported in Figure 44, 45, and 46. |
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