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UPSD3422 датащи(PDF) 12 Page - STMicroelectronics |
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UPSD3422 датащи(HTML) 12 Page - STMicroelectronics |
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12 / 293 page ![]() Pin descriptions uPSD34xx 12/293 Figure 4. TQFP80 connections Note: NC = Not Connected Note: 1 The USB+ pin needs a 1.5k Ω pull-up resistor. 2 For 5V applications, VDD must be connected to a 5.0V source. For 3.3V applications, VDD must be connected to a 3.3V source. 3 These signals can be used on one of two different ports (Port 1 or Port 4) for flexibility. Default is Port1. 60 P1.5/SPIRXD(3)/ADC5 59 P1.4/SPICLK(3)/ADC4 58 P1.3/TXD1(IrDA)(3)/ADC3 57 NC 56 P1.2/RXD1(IrDA)(3)/ADC2 55 NC 54 P1.1/T2X(3)/ADC1 53 NC 52 P1.0/T2(3)/ADC0 51 NC 50 VDD (1) 49 XTAL2 48 XTAL1 47 MCU AD7 46 P3.7/SCL 45 MCU AD6 44 P3.6/SDA 43 MCU AD5 42 P3.5/C1 41 MCU AD4 PD2/CSI P3.3/TG1/EXINT1 PD1/CLKIN ALE PC7 JTAG TDO JTAG TDI DEBUG PC4/TERR 3.3V VCC USB+(1) VDD (2) GND USB– PC3/TSTAT PC2/VSTBY JTAG TCK SPISEL(2)/PCACLK1/P4.7 SPITXD(2)/TCM5/P4.6 JTAG TMS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AI09697b |
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