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AC-204AYILY-70-A Datasheet, PDF (10/17 Pages) ZETTLER Electronics – SPECIFICATIONS FOR LCD MODULE
8 INSTRUCTION SET
Instruction
RS R/
W
Clear 0 0
Display
Return 0 0
Home
Entry Mode 0 0
SET
Display
ON/OFF
Control
00
Cursor or
Display
Shift
00
Function 0 0
Set
Set CG 0 0
RAM
Address
Set DD 0 0
RAM
Address
Read Busy 0 1
Flag and
Address
Write Data 1 0
to RAM
Read Data 1 1
from RAM
Code
D7 D6 D5 D4 D3 D2 D1 D0
Description
0 0 0 0 0 0 0 1 Write”20H” to DDRAM and set DDRAM
address to “00H” from AC
0 0 0 0 0 0 1 -- Sets DD RAM address to “00H” from AC
and return cursor to its original position if
shifted. The contents of DDRAM are not
changed.
0 0 0 0 0 1 I/D SH Assign cursor moving direction and enable
the shift of entire display.
0 0 0 0 1 D C B Set display (D), cursor (C), and blink of
cursor (B) on/off control bit.
0 0 0 1 S/ R/ -- -- Set cursor moving and display shift control
CL
bit, and the direction, without changing of
DDRAM data.
0 0 1 DL N F -- -- Sets interface data length (DL:8-bit/4-bit),
number of display lines (N:2-line/1-line)
and , display font type (F:5x11dots/5x8
dost).
0 1 AC AC AC AC AC AC Sets CG RAM address in address counter.
543210
1 AC AC AC AC AC AC AC Sets DD RAM address in address counter.
6 543210
BF AC AC AC AC AC AC AC Whether during internal operation or not
6 5 4 3 2 1 0 can be known by reading BF. The contents
of address counter can also be read.
D7 D6 D5 D4 D3 D2 D1 D0 Writes data into internal RAM (DD RAM
/CG RAM).
D7 D6 D5 D4 D3 D2 D1 D0 Reads data from internal RAM (DD RAM
/CG RAM).
E.T.(fOSC
=270
KHZ)
1.53 ms
1.53 ms
39 µS
39 µS
39 µS
39 µS
39 µS
39 µS
0 µS
43 µS
43 µS
* “--“ : don’t care
Note : When an MPU program with checking the Busy Flag(DB7) is made, it must be
necesssary1/2Fosc is necessary for executing the next instruction by the falling edge of the ‘E’
signal after the Busy Flag(DB7) goes to “LOW”.
2005/8/25
AMPIRE CO., LTD.
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