RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 0 0 1 *Returns the cursor to the home position (Address 0). Also returns the display being shifted to the original position. DD RAM contents remain unchanged.
Details
Sets the DD RAM address to 0 in the address counter. Returns the display to
its original status if it was shifted. DD RAM contents do not change. The
cursor or blink go to the left edge of the display (the first line if 2 lines
are displayed).