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參數(shù)資料
| 型號(hào)： | HD66728 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點(diǎn)圖形LCD控制器) |
| 中文描述： | 112 × 80點(diǎn)圖形LCD控制器/驅(qū)動(dòng)器（112 × 80點(diǎn)圖形液晶顯示控制器） |
| 文件頁(yè)數(shù)： | 36/138頁(yè) |
| 文件大?。?/td> | 2158K |
| 代理商： | HD66728 |
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HD66728
36
Instruction Descriptions
Key Scan Data Read
In the serial interface mode, the key scan data read instruction reads scan data in scan registers SCAN0 to
SCAN3. Following transfer of the start byte, scan data read operation starts from scan register SCAN0 and
proceeds in the order of SCAN1, SCAN2, and SCAN3. When data read from SCAN 0 to SCAN3 is
complete, the operation starts from SCAN0 again. For details, see the Key Scan Control section.
R/W RS DB7
DB0
1
0
DB6 DB5 DB4 DB3 DB2 DB1
SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0
Figure 5 Key Scan Data Read Instruction
Blink Synchronization
The blink synchronization instruction initializes the blink counter which controls the cursor blink cycle.
After initialization, the counter starts from display lighting. When this instruction is issued in each second,
the blink cycle becomes one second without depending on the LCD frame frequency.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
0
0
0
0
0
0
0
Figure 6 Blink Synchronization Instruction
Clear Display
The clear display instruction writes space code 20H (character pattern for character code 20H must be a
blank pattern) into all DDRAM addresses. It then sets DDRAM address 0 into the address counter (AC). It
also sets I/D to 1 (increment mode) in the entry mode set instruction. Since the execution time of this
instruction is 167 clock cycles, do not transfer the next instruction during this time.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
0
0
0
0
0
0
1
Figure 7 Clear Display Instruction
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66730 | Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器) |
| HD66731 | Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器) |
| HD66731A00TB0L | 122 x 32 pixel format, Compact LCD size |
| HD66731A00TA0L | Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66731A01TA0L | Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66729 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions |
| HD66730 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66730A00FS | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66730A01FS | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
| HD66731 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display |
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