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AN3157 数据表(PDF) 5 Page - STMicroelectronics |
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AN3157 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 26 page ![]() AN3157 Circuit description Doc ID 17105 Rev 1 5/26 2 Circuit description 2.1 Motherboard circuit The motherboard consists of the following sections: ● STPMC1 circuit ● Connectors The schematic of the board is shown in Figure 2 and in Figure 3. Figure 2. STPMC1 circuit schematics VCC VCC VCC VCC VCC VCC VCC DAR DAS DAT CLK DAN DAH CLK NCLK R 61 4.7K U8 STPMC1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MON MOP SCS VDD VSS VCC VOTP DAH DAR DAS DAT DAN CLK VSSA SYN CLKIN CLKOUT SCLNLC SDATD LED R 62 4.7K DAT W34 1 2 W2 MON W5 MOP Y1 4194.304KHz P1 1 5 9 10 8 6 4 2 3 7 U9A ST_m74hc14 1 2 R56 100 D7 + C66 1000u R16 100 C63 1µ TP2 C61 15p C64 10n R15 100 DAN R 60 4.7K C65 100n D10 DAH R35 100 D11 R 63 4.7K CLK D8 D12 R55 100 U9G ST_m74hc14 7 14 GND VCC C62 15p R64 1M1% DAR W8 GND D9 DAS VCC VCC VCC VCC VCC VCC VCC DAR DAS DAT CLK DAN DAH CLK NCLK R 61 4.7K U8 STPMC1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MON MOP SCS VDD VSS VCC VOTP DAH DAR DAS DAT DAN CLK VSSA SYN CLKIN CLKOUT SCLNLC SDATD LED R 62 4.7K DAT W34 1 2 W2 MON W5 MOP Y1 4194.304KHz P1 1 5 9 10 8 6 4 2 3 7 U9A ST_m74hc14 1 2 R56 100 D7 + C66 1000u R16 100 C63 1µ TP2 C61 15p C64 10n R15 100 DAN R 60 4.7K C65 100n D10 DAH R35 100 D11 R 63 4.7K CLK D8 D12 R55 100 U9G ST_m74hc14 7 14 GND VCC C62 15p R64 1M1% DAR W8 GND D9 DAS |
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