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原理图(Pico-ResTouch-LCD-2.8_Sch).pdf

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1 2 3 U2 A C N C N C N D N G C N C C V S C L C S S R C C V D R / A D E L R X 1 K D E L 2 K D E L 3 K D E L 4 K D E L A D S C N C N U Y L X D Y C N C N C N C N C N C N C N T E S E R C N C C V C C V G N G C N C N C N 1 2 3 4 5 D N G 6 3 V 3 S 7 C _ D C L K L 9 C _ D C L C 8 D _ D C L O D 1 1 S _ D C L 0 1 3 V 3 3 2 4 2 5 2 6 2 7 2 8 2 9 2 0 3 2 2 I D 1 S 2 _ D C L 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 0 2 + Y + X - Y - X 3 V 3 R 0 1 R 0 1 R 0 1 R 0 1 2 R 3 R 4 R 5 R 1 T 3 E S E R 2 3 3 V 3 3 3 4 3 5 3 6 3 7 3 D N G 3 V 3 R1 10K 3V3 SD_SDI TP_SDI LCD_SDI MOSI SD_SDO TP_SDO LCD_SDO MISO SD_CLK TP_CLK LCD_CLK CLK SD_CS'' SDIO_D3/SD_CS B C D LCD_BL R6 1K Q1 8050 GND aveshareW Pico-ResTouch-LCD-2.8 GND 0 1 D N G 9 CD GND TF1 TF-SD 1 D1 D0 VSS CLK VDD CMD CD/D3 D2 8 7 6 5 4 3 2 1 3V3 U3 C6 104 X+ Y+ X- Y- GND 1 2 3 4 5 6 7 8 VCC XP YP XN YN GND VBAT AUX DCLK CS DIN BUSY DOUT PENIRQ IOVDD VREF XPT2046 16 15 14 13 12 11 10 9 TP_CLK TP_CS TP_SDI TP_SDO TP_IRQ 3V3 R7 100K 3V3 C11 104 GND 3V3 5 1 R C N / 7 K 4 6 1 R C N / 7 K 4 7 1 R K 0 1 / C N C12 104 GND 2 SDIO_CLK SD_CLK'' SD_CLK SDIO_D0 SD_SDO'' SD_SDO SDIO_CMD SD_SDI'' SD_SDI 1 2 3 H1 1 2 3 H3 1 2 3 H4 1 2 3 H2 1 2 3 H6 1 2 3 H7 3V3 SD_CLK'' GND SDIO_D2 D2 SDIO_D1 D1 3 H5 Identification VSYS C7 C8 10uF 1uF U4 VIN GND EN VOUT BP 1 2 3 5 4 VCC_EN RT9193-33 GND RUN K1 GND C10 22nF 3V3 C9 1uF VSYS 3V3_EN GPIO14 R8 0R R9 NC R11 NC Pico3V3 R12 NC 3V3 GND VCC_EN GND R10 100K 4 3 1 R K 0 1 / C N 4 1 R C N / 7 K 4 D1 SD_SDO'' GND SD_CLK'' 3V3 SD_SDI'' SD_CS'' D2 GPIO0 GPIO1 GND GPIO2 GPIO3 GPIO4 SDIO_CLK GND GPIO6 GPIO7 LCD_DC LCD_CS GND CLK MOSI MISO LCD_BL GND GPIO14 RESET 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 U1 GPIO0 GPIO1 GND GPIO2 GPIO3 GPIO4 GPIO5 GND GPIO6 GPIO7 GPIO8 GPIO9 GND GPIO10 GPIO11 GPIO12 GPIO13 GND GPIO14 GPIO15 VBUS VSYS GND 3V3_EN 3V3 ADC_VREF IO28/ADC2 AGND IO27/ADC1 IO26/ADC0 RUN GPIO22 GND GPIO21 GPIO20 GPIO19 GPIO18 GND GPIO17 GPIO16 Pi pico (40P) 4 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VBUS VSYS GND 3V3_EN Pico3V3 P35 GPIO28 GND GPIO27 GPIO26 RUN SDIO_D3/SD_CS GND SDIO_D2 SDIO_D1 SDIO_D0 SDIO_CMD GND TP_IRQ TP_CS A B C D
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