參數(shù)資料
型號: HD66712
廠商: Hitachi,Ltd.
英文描述: Dot-Matrix Liquid Crystal Display Controller/Driver
中文描述: 點陣液晶顯示控制器/驅(qū)動器
文件頁數(shù): 64/88頁
文件大?。?/td> 662K
代理商: HD66712
HD66712U
427
Table 18
8-Bit Operation, 24-Digit
×
2-Line Display Example with Internal Reset
Step
No.
Instruction
RS
R/
:
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Display
Operation
1
Power supply on (the HD66712 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.
Clear bit 2.
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 RAM. 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 at
power-on.
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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