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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)： | 63/88頁 |
| 文件大?。?/td> | 662K |
| 代理商： | HD66712 |
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HD66712U
426
Table 17
4-Bit Operation, 24-Digit
×
1-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
—
0
—
—
—
—
—
—
—
—
—
Sets to 4-bit operation. Clear bit
2. In this case, operation is
handled as 8 bits by
initialization. *
1
3
Function set
0
0
0
0
0
0
0
1
1
0
0
0
—
—
—
—
—
—
—
—
Sets 4-bit operation and
selects1-line display. Clear BE,
LP bits. 4-bit operation starts
from this step.
4
Function set
0
0
0
0
0
0
0
0
1
*
0
*
—
—
—
—
—
—
—
—
Sets 4-bit operation and
selects1 line display. Clear bit 2
(RE).
5
Return home
0
0
0
0
0
0
0
0
0
1
0
0
—
—
—
—
—
—
—
—
Returns both display and cursor
to the original position (address
0).
6
Display on/off control
0
0
0
0
0
1
0
1
0
1
0
0
—
—
—
—
—
—
—
—
_
Turns on display and cursor.
Entire display is in space mode
because of initialization.
7
Entry mode set
0
0
0
0
0
0
0
1
0
1
0
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.
8
Write data to CGRAM/DDRAM
1
0
0
1
0
1
1
0
0
0
0
0
—
—
—
—
—
—
—
—
H_
Writes H.
DDRAM has already been
selected by initialization.
9
·
·
·
·
·
·
·
·
·
·
Based on 8-bit operation after
this instruction
Note:
The control is the same as for 8-bit operation beyond step #8.
1. When DB3 to DB0 pins are open in 4-bit mode, the RE, BE, LP bits are set to “1” at step #2.
So, these bits are clear to “0” at step #3.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66712UA02TA0 | Dot-Matrix Liquid Crystal Display Controller/Driver |
| HD66712SA00FS | Dot-Matrix Liquid Crystal Display Controller/Driver |
| HD66712SA01FS | Dot-Matrix Liquid Crystal Display Controller/Driver |
| HD66712SA02FS | Dot-Matrix Liquid Crystal Display Controller/Driver |
| HD66712UA03TA0 | Dot-Matrix Liquid Crystal Display Controller/Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66712A00TA0 | 制造商:Renesas Electronics Corporation 功能描述: |
| HD66712A00TB0 | 制造商:Renesas Electronics Corporation 功能描述: |
| HD66712FS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66712SA00FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver |
| HD66712SA01FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver |
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