PI4IOE5V9554/9554Ae. Bus Transaction Data is transmitted to the PI4IOE5V9554/PI4IOE5V9554A registers using the write mode as shown in Figure 6 and Figure 7. These devices do not implement an auto-increment function, so once a command byte has been sent, the register which was addressed continues to be accessed by reads until a new command byte is sent. F igure 6: Write to Output Register Figure 7: Write to Configuration Register or Polarity Inversion Register
PI4IOE5V9554/ PI4IOE5V9554A www.diodes.com November 2019 Document Number DS40769 Rev 3 - 2 10