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AN4460 датащи(PDF) 45 Page - STMicroelectronics |
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AN4460 датащи(HTML) 45 Page - STMicroelectronics |
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45 / 54 page ![]() DocID026129 Rev 1 45/54 AN4460 Pinout 54 9 Pinout Table 6 describes the STLUX385A pinout and the associated function. Table 6. STLUX385A pinout Pin Dir. Function Note 1 OUT PWM[0] PWM - LED chain 0 2 OUT/IN DIGIN[0]/CCO_clk Internal clock check output – (option) 3 IN DIGIN[1] DIG1 4 OUT PWM[1] PWM - LED chain 1 5 OUT PWM[2] PWM - LED chain 2 6 IN DIGIN[2] DIG0 7 IN DIGIN[3] DIG3 8 OUT PWM[5] Output to R/C – voltage reference on CPM3 (LED0) – (optional) 9 I/O SWIM Debug interfaces 10 I/O RESETn To reset key and debug I/F 11 PS VDD Power to 3.3 V or 5 V 12 PS VSS Digital GND 13 PS VOUT Filter capacitance for 1.8 V internal voltage 14 OUT LED (red) Fault signaling or DALI TX line 15 OUT LED (green) Normal signaling (blink) or DALI RX line 16 OUT PWM[4] Option – PWM for the DC-DC converter 17 IN DIGIN[4] DIG2 18 IN DIGIN[5] Not used or DALI key input (option) 19 OUT PWM[3] PWM - LED chain 3 20 OSC_out External oscillator or FW trigger used to debug application 21 OSC_in External oscillator or FW trigger used to debug application 22 OUT UART TX Serial TX line 23 IN UART RX Serial RX line 24 A-IN CPP3 Compare 3 – LED chain 0 25 A-IN CPP2 Compare 2 – LED chain 1 26 A-IN CPM3 Connect to PWM[5] – chain 0 current (5 mA/step) – (option) 27 A-IN CPP1 Compare 1 – LED chain 3 28 A-IN CPP0 Compare 0 – LED chain 2 29 PS VDDA Analog power supply 30 PS VSSA Analog ground 31 A-IN ADCIN[7] Key input – voltage depends whether key is pressed or not |
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