參數(shù)資料
型號(hào)： HCD44780UA00
廠商： Hitachi,Ltd.
英文描述： 320 x 240 pixel format, CFL backlight available with power harness
中文描述： 點(diǎn)陣式液晶顯示控制器/驅(qū)動(dòng)器
文件頁(yè)數(shù)： 43/59頁(yè)
文件大小： 316K
代理商： HCD44780UA00
HD44780U
43
Table 13
8-Bit Operation, 8-Digit
×
2-Line Display Example with Internal Reset
Step
No.
Instruction
RS
R/
W
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Display
Operation
1
Power supply on (the HD44780U is initialized by the internal
reset circuit)
Initialized. No display.
2
Function set
0
0
0
0
1
1
1
0
*
*
Sets to 8-bit operation and
selects 2-line display and 5
×
8
dot character font.
3
Display on/off control
0
0
0
0
0
0
1
1
1
0
_
Turns on display and cursor.
All display is in space mode
because of initialization.
4
Entry mode set
0
0
0
0
0
0
0
1
1
0
_
Sets mode to increment the
address by one and to shift the
cursor to the right at the time of
write to the DD/CGRAM.
Display is not shifted.
5
Write data to CGRAM/DDRAM
1
0
0
1
0
0
1
0
0
0
H_
Writes H. DDRAM has already
been selected by initialization
when the power was turned on.
The cursor is incremented by
one and shifted to the right.
6
·
·
·
·
·
·
·
·
·
·
7
Write data to CGRAM/DDRAM
1
0
0
1
0
0
1
0
0
1
HITACHI_
Writes I.
8
Set DDRAM address
0
0
1
1
0
0
0
0
0
0
HITACHI
_
Sets DDRAM address so that
the cursor is positioned at the
head of the second line.
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