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參數(shù)資料
| 型號： | HCD44780UBxx |
| 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)動器 |
| 文件頁數(shù)： | 40/59頁 |
| 文件大?。?/td> | 316K |
| 代理商： | HCD44780UBXX |
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HD44780U
40
Table 11
8-Bit Operation, 8-Digit
×
1-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
0
0
*
*
Sets to 8-bit operation and
selects 1-line display and 5
×
8
dot character font. (Number of
display lines and character
fonts cannot be changed after
step #2.)
3
Display on/off control
0
0
0
0
0
0
1
1
1
0
_
Turns on display and cursor.
Entire 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
Write data to CGRAM/DDRAM
1
0
0
1
0
0
1
0
0
1
HI_
Writes I.
7
·
·
·
·
·
·
·
·
·
·
8
Write data to CGRAM/DDRAM
1
0
0
1
0
0
1
0
0
1
HITACHI_
Writes I.
9
Entry mode set
0
0
0
0
0
0
0
1
1
1
HITACHI_
Sets mode to shift display at
the time of write.
10
Write data to CGRAM/DDRAM
1
0
0
0
1
0
0
0
0
0
ITACHI _
Writes a space.
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