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參數(shù)資料
| 型號： | HD66727 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動器) |
| 中文描述： | 低功耗點陣液晶顯示控制器/鍵掃描功能（帶鍵掃描功能的圖形液晶顯示控制器/驅(qū)動器驅(qū)動程序） |
| 文件頁數(shù)： | 30/98頁 |
| 文件大?。?/td> | 1576K |
| 代理商： | HD66727 |
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HD66727
30
5. Computer processing of the EPROM is performed at Hitachi to create a character pattern listing, which
is sent to the user.
6. If there are no problems within the character pattern listing, a trial LSI is created at Hitachi and samples
are sent to the user for evaluation. When it is confirmed by the user that the character patterns are
correctly written, mass production of the LSI will proceed at Hitachi.
Programming Character Patterns
This section explains the correspondence between addresses and data used to program character patterns in
EPROM.
Programming to EPROM:
The HD66727 character generator ROM can generate 240 6
×
8-dot character
patterns. Table 14 shows correspondence between the EPROM address, data, and the character pattern.
Table 14
Example of Correspondence between EPROM Address, Data, and Character Pattern (6
×
8 Dots)
A10 A9 A8 A7 A6 A5 A4 A3
A2 A1 A0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
0
0
0
0
1
1
1
0
0
0
0
0
O4 O3 O2 O1 O0
0
0
0
0
0
0
0
0
O5
Character code
Line position
EPROM Address
Data
LSB
MSB
0
0
0
0
0
0
0
0
0
A11
0
1
0
1
1
0
0
1
Notes: 1. EPROM address bits A11 to A4 correspond to a character code.
2. EPROM address bits A2 to A0 specify the line position of the character pattern. EPROM address
bit A3 must be set to 0.
3. EPROM data bits O5 to O0 correspond to character pattern data.
4. Areas which are lit (indicated by shading) are stored as 1, and unlit areas as 0.
5. The eighth raster-row is also stored in the CGROM, and must also be programmed. If the eighth
raster-row is used for a cursor, this data must all be set to zero.
6. EPROM data bits O7 to O6 are invalid. 0 must be written in all bits.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66728 | 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點圖形LCD控制器) |
| HD66730 | Dot-Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅(qū)動器) |
| HD66731 | Dot-Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅(qū)動器) |
| HD66731A00TB0L | 122 x 32 pixel format, Compact LCD size |
| HD66731A00TA0L | 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 |
|---|---|
| HD66727A03 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03BP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03TA0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66727A03TA0L | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function |
| HD66727A04 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
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