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原理图(3.2inch_TFT_Touch_Shield_Schematic).pdf

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A B C D 1 MISO SCLK RESET CN1 1 3 5 2 4 6 MOSI GND SPI Interface 2 C8 104 3V3 C9 10uF/25V AMS1 i V G o V 5V 3 1 2 C6 C7 10uF/25V 104 GND Power 3V3 D1 R5 10K 1N4148 LCD_RST' LCD_RST GND LCD_CS LCD_CS' GND LCD_DC LCD_DC' R10 3K3 R11 3K3 U6 1OE 1A 1Y 2OE 2A 2Y GND 1 2 3 4 5 6 7 74VHC125 GND Level conversion 3V3 C10 104 R13 3K3 R12 3K3 GND GND SCLK SCLK' GND MOSI MOSI' VCC 4OE 4A 4Y 3OE 3A 3Y 14 13 12 11 10 9 8 3 K _ L B 2 K _ L B 1 K _ L B 2 2 R 1 2 R 0 2 R R 0 1 R 0 1 R 0 1 LCD_BL R14 1K Q1 8050 GND LCD BACKLIGHT 1 RESET K1 GND Reset 2 3 4 GND 0 1 D N G 9 CD GND TF1 TF-SD 3V3 1 R 2 R 3 R 4 R K 1 K 1 K 1 K 1 GND SCLK' 3V3 MOSI' SD_CS MISO C3 104 GND D1 D0 VSS CLK VDD CMD CD/D3 D2 8 7 6 5 4 3 2 1 SD Card 3V3 C12 104 GND X+ Y+ X- Y- U1 VCC XP YP XN YN GND VBAT AUX DCLK CS DIN BUSY DOUT PENIRQ IOVDD VREF 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 XPT2046 GND Touch Screen SCLK' TP_CS MOSI' TP_BUSY MISO TP_IRQ 3V3 R7 100K 3V3 C13 104 GND RESET 5V GND GND 1 2 3 4 5 6 CN4 1 2 3 4 5 6 CN2 8 7 6 5 4 3 2 1 CN5 8 7 6 5 4 3 2 1 CN3 LCD_CS LCD_BL LCD_RST LCD_DC TP_BUSY SD_CS TP_CS TP_IRQ Header1 2 4 6 1 3 5 Header 3X2 SCLK MISO MOSI Interface 3 GND 3V3 X- Y- X+ Y+ GND 3V3 3V3 GND LCD_CS' SCLK' LCD_DC' 3V3 MOSI' MISO LCD_RST' GND BL_K1 BL_K2 BL_K3 GND GND 3V3 3V3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 LCD aveshareW 4 PORT1 L C D 3 2 . 41 42 LCD_3.2 SMT A B C D
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