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UPSD3422 датащи(PDF) 11 Page - STMicroelectronics |
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UPSD3422 датащи(HTML) 11 Page - STMicroelectronics |
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11 / 293 page ![]() uPSD34xx Pin descriptions 11/293 2 Pin descriptions Figure 3. TQFP52 connections Note: 1 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. 2 These signals can be used on one of two different ports (Port 1 or Port 4) for flexibility. Default is Port1. 3AVREF and 3.3V AVCC are shared in the 52-pin package only. ADC channels must use 3.3V as AVREF for the 52-pin package. 39 P1.5/SPIRXD(2)/ADC5 38 P1.4/SPICLK(2)/ADC4 37 P1.3/TXD1(IrDA)(2)/ADC3 36 P1.2/RXD1(IrDA)(2)/ADC2 35 P1.1/T2X(2)/ADC1 34 P1.0/T2(2)/ADC0 33 VDD (1) 32 XTAL2 31 XTAL1 30 P3.7/SCL 29 P3.6/SDA 28 P3.5/C1 27 P3.4/C0 PD1/CLKIN PC7 JTAG TDO JTAG TDI DEBUG 3.3V VCC USB+ VDD (1) GND USB– PC2/VSTBY JTAG TCK JTAG TMS 1 2 3 4 5 6 7 8 9 10 11 12 13 AI09696b |
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