Instruction Code
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
== === === === === === === === === ===
Clear Display 0 0 0 0 0 0 0 0 0 1
Return Home 0 0 0 0 0 0 0 0 1 *
Entry Mode Set 0 0 0 0 0 0 0 1 I/D S
Display ON/OFF 0 0 0 0 0 0 1 D C B
Cursor and Display Shift 0 0 0 0 0 1 S/C R/L * *
Function Set 0 0 0 0 1 DL N F * *
Set CG RAM address 0 0 0 1 A5 A4 A3 A2 A1 A0
Set DD RAM address 0 0 1 A6 A5 A4 A3 A2 A1 A0
Read busy flag and address 0 1 BF A6 A5 A4 A3 A2 A1 A0
Write data to CG or DD RAM 1 0 D7 D6 D5 D4 D3 D2 D1 D0
Read data from CG or DD RAM 1 1 D7 D6 D5 D4 D3 D2 D1 D0
CGRAM
CGROM
Notes
* means 0 or 1 have no effect