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L9663 数据表(PDF) 11 Page - STMicroelectronics |
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L9663 数据表(HTML) 11 Page - STMicroelectronics |
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11 / 104 page ![]() DocID028693 Rev 1 11/104 L9663 Overall description 103 1.4 TQFP32 pins description Figure 3. TQFP32 pins connection diagram (top view) Note: The exposed pad is electrically shorted to the substrate and to pins GND1 and GND2. These three nodes have to be kept shorted on the application. Table 3. TQFP32 pin-out Pin Name Description Pin type 1 SYNC1 Direct interface sync pulse trigger 1 I local 2 DOUT1 Direct interface 1/Interrupt 1 O local 3 CLKIN External clock input I local 4NC2 -- - 5 SYNC2 Direct Interface sync pulse trigger 2 I local 6 DOUT2 Direct interface 2/Interrupt 2 O local 7NC(1) -- - 8 BH1 Bootstrap capacitor pin 1 or SYNC voltage supply (from ECU), transceiver 1 I/O local 9 BL1 Bootstrap capacitor pin 2, transceiver 1 I/O local |
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