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STLUX385ATR 数据表(PDF) 28 Page - STMicroelectronics |
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STLUX385ATR 数据表(HTML) 28 Page - STMicroelectronics |
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28 / 99 page ![]() Pinout and pin description STLUX385A 28/98 DocID024387 Rev 2 4.3 Input/output specifications The STLUX385A device includes two different I/O types: • Normal I/Os configurable either at 2 or 10 MHz (high sink) • Fast I/O operating at 12 MHz The STLUX385A I/Os are designed to withstand current injection. For a negative injection current of 4 mA, the resulting leakage current in the adjacent input does not exceed 1 μA; further details are available in Section 10. 21 I/O GPIO0[3]/I 2 C_scl/ HseOscin/UART_rx General purpose I/O 03 I 2 C clock Input crystal oscillator signal / input frequency signal UART data receive 22 I/O GPIO0[0]/UART_tx/I 2 C_scl General purpose I/O 00 UART data transmit -- 23 I/O GPIO0[1]/UART_rx/I 2 C_scl General purpose I/O 01 UART data receive -- 24 I CPP[3] Positive analog comparator input 3 -- - 25 I CPP[2] Positive analog comparator input 2 -- - 26 I CPM3 Negative analog comparator input 3 -- - 27 I CPP[1] Positive analog comparator input 1 -- - 28 I CPP[0] Positive analog comparator input 0 -- - 29 PS VDDA Analog power supply -- - 30 PS VSSA Analog ground - - - 31 I ADCIN[7] Analog input 7 - - - 32 I ADCIN[6] Analog input 6 - - - 33 I ADCIN[5] Analog input 5 - - - 34 I ADCIN[4] Analog input 4 - - - 35 I ADCIN[3] Analog input 3 - - - 36 I ADCIN[2] Analog input 2 - - - 37 I ADCIN[1] Analog input 1 - - - 38 I ADCIN[0] Analog input 0 - - - Table 2. Pin description (continued) Pin number Type Pin name Main function Alternate function 1 Alternate function 2 Alternate function 3 |
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