Check out THE ULTIMATE FPV SHOPPING LIST https//wwwfpvknowitallcom/ultimatefpvshoppinglistSUPPORT ME ON PATREON at httpMCP/MCP23S17 DSCpage 6 0516 Microchip Technology Inc FIGURE 13 I2C BUS START/STOP BITS TIMING FIGURE 14 I2C BUS DATA TIMING TABLE 13 I2C BUS DATA REQUIREMENTS I2C Interface AC Characteristics Unless otherwise noted, 18V VDD 55V at 40 C TA 125 C, RPU (SCL, SDA) = 1 k , CL (SCL, SDA) = 135 pF Param NoSee under llwl, below ll l y l w nm 012 Yousef Iphone Ey sharepoint