參數資料
型號: HCD66712UA03
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/驅動器
文件頁數: 66/88頁
文件大?。?/td> 662K
代理商: HCD66712UA03
HD66712U
429
Table 19
8-Bit Operation, 12-Digit
×
4-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
1
*
*
Sets 8-bit operation and enables
write to the extension register.
3
4-line mode set
0
0
0
0
0
0
1
0
0
1
Sets 4-line operation.
4
Function set
Inhibit write to extension register
0
0
0
0
1
1
0
0
*
*
Inhibits write to extension
register. Invalidates selection of
1-line/2-line by bit 3.
5
Display on/off control
0
0
0
0
0
0
1
1
1
0
_
Turns on display and cursor.
Entire display is cleared
because of initialization.
6
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 when writing
to RAM. Display is not shifted.
7
Write data to CGRAM/DDRAM
1
0
0
1
0
0
1
0
0
0
_
Writes H. DDRAM has already
been selected by initialization.
8
·
·
·
·
·
·
·
·
·
·
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