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CONTROL AND DISPLAY COMMAND
RS
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Command
Display Clear
Return Home
Entry Mode
Set
Remark
Cursor Moves to First Digit
I/D: Set Cursor Move
Direction
H-Increase L-Decrease
SH: Specifies Shift of
Display
H-Display is Shifted
L-Display is Not Shifted
D: Display (H-on, L-off)
C: Cursor (H-on, L-off)
B: Blinking (H-o, L-off)
SC: (H-Display Shift, L-
Cursor Move)
R/L: (H-Right Shift, L-Left
Shift)
DL: (H-8 Bits Interface, L-4
Bits Interface)
N: (H-2 Line Display, L-1
Line Display)
F: (H-5 x 10 Dots, L-5 x7
Dots)
CG RAM Data is Sent and
Received After this Setting
DD RAM Data is Sent and
Received After this Setting
BF: (H-Busy, L-Ready)
-- Reads BF: Indicates
Internal Operation is Being
Performed.
-- Read Address Counter
Contents
Write Data into DD or CG RAM
Read Data from DD or CGRAM
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
H
I/D
H
X
SH
Display
On/Off
Shift
L
L
L
L
L
L
H
D
C
B
L
L
L
L
L
H
S/C
R/L
X
X
Set Function
L
L
L
L
H
DL
N
F
X
X
Set CG RAM
Address
Set DD RAM
Address
Read Busy
Flag &
Address
L
L
L
L
L
H
L
H
H
CG RAM Address
(corresponds to address)
DD RAM Address
BF
Address Counter Used for Both DD & CG
RAM Address
Write Data
Read Data
H
H
L
H
Write Data
Read Data
MICRO-ELECTRONICS [ Micro Electronics ]
