ST7789控制器的2.8寸彩屏,该屏可以直接用单片机驱动,分辨率为竖屏横屏都可以用,接口为SPI/RGB/MPU接口;;适用于手持产品;触摸屏可选;LED背光;宽视角,亮度值为200cd/m2 Pin Symbol I/O Function Pin Symbol I/O Function 1~4 IM1~IM4 H/L MCU-Interface mode s lect: IM3 IM2 IM1 IM0= 01 : 3-line 9-bit serial nterface I line 8-bit serial nterface I line 9-bit serial nterface I 1 0: 4-line 8-bit serial nterface I 32 VSYNC H/L Vertical synchroniz ng input 5 /CS H/L Chip sel ction pin 3 HSYNC H/L Horizontal synchroniz ng input 6 DC H/L Display dat /com and sel ction 34 LEDA 3.1V LED anode 7 /WR H/L Write nable in MCU par l e interface. 35~38 LEDK1 ~K4 0V LED cathode 8 /RD H/L Read enable in MCU par l e interface. 39 XR - Touch panel right ** in X axis 9 /RES T H/L Res t ignal, ctive”L 40 YU - Touch panel up er ** in Y axis 10 SDA H/L SPI interface input/outp pin. 41 XL - Touch panel ft ** in X axis 1 SDO H/L SPI interface outp pin. 42 YD - Touch panel ower ** in Y axis 12~ 9 DB17~DB0 H/L Dat bus 43~4 VS 0V Power g ound 30 EANBLE H/L Dat enable ** for RGB interface operation. 45 VD 2.8V Power sup ly 31 DOTCLK H/L Dot clo k ** ST7789控制器的2.8寸彩屏