Datasheet

GE-C1602B-TFH-JT/R page 15/ 27 12.07.2011
11.Instruction Table
Instruction
Instruction Code
Description
Execution time
(fosc=270Khz)
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Clear Display 0 0 0 0 0 0 0 0 0 1
Write "20H" to DDRAM. and
set DDRAM address to
"00H" from AC
1.52ms
Return Home 0 0 0 0 0 0 0 0 1
－
Set DDRAM address to “00H” from
AC and return cursor to its original
position if shifted. The contents of
DDRAM are not changed.
1.52ms
Entry Mode
Set
0 0 0 0 0 0 0 1 I/D SH
Sets cursor move direction and
specifies display shift.
These operations are pe
rformed during
data write and read.
37μs
Display
ON/OFF
Control
0 0 0 0 0 0 1 D C B
D=1:entire display on
C=1:cursor on
B=1:cursor position on
37μs
Cursor or
Display Shift
0 0 0 0 0 1 S/C R/L
－ －
Set cursor moving and
display shift control bit, and
the direction, without changing
DDRAM data.
37μs
Function Set 0 0 0 0 1 DL N F
－ －
DL:interface data is 8/4 bits
N:number of line is 2/1
F:font size is 5x11/5x8
37μs
Set CGRAM
Address
0 0 0 1 AC5 AC4 AC3 AC2 AC1 AC0
Set CGRAM address in
address counter
37μs
Set DDRAM
Address
0 0 1 AC6 AC5 AC4 AC3 AC2 AC1 AC0
Set DDRAM address in
address counter
37μs
Read Busy
Flag and
Address
0 1 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0
Whether during internal
operation or not can be known by
reading BF. The contents of address
counter can also be read.
0μs
Write Data to
RAM
1 0 D7 D6 D5 D4 D3 D2 D1 D0
Write data into internal
RAM
(DDRAM/CGRAM)
37μs
Read Data
from RAM
1 1 D7 D6 D5 D4 D3 D2 D1 D0
Read data from internal
RAM
(DDRAM/CGRAM)
37μs
＊ ”－”：don’t care