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參數資料
型號: 44780
廠商: Hitachi,Ltd.
英文描述: Dot Matrix Liquid Crystal Display Controller/Driver
中文描述: 點陣式液晶顯示控制器/驅動器
文件頁數: 7/59頁
文件大小: 316K
代理商: 44780
HD44780U
15
Programming character patterns
This section explains the correspondence between addresses and data used to program character patterns
in EPROM. The HD44780U character generator ROM can generate 208 5
× 8 dot character patterns and
32 5
× 10 dot character patterns for a total of 240 different character patterns.
Character patterns
EPROM address data and character pattern data correspond with each other to form a 5
× 8 or 5 ×
10 dot character pattern (Tables 2 and 3).
Table 2
Example of Correspondence between EPROM Address Data and Character Pattern
(5
× 8 Dots)
Data
O 4 O3 O2 O1 O0
0
1
0
1
0
1
0
1
0
1
0
1
0
EPROM Address
Character code
Line
position
LSB
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Cursor position
1
0
A 1 0 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
A11
Notes: 1. EPROM addresses A11 to A4 correspond to a character code.
2. EPROM addresses A3 to A0 specify a line position of the character pattern.
3. EPROM data O4 to O0 correspond to character pattern data.
4. EPROM data O5 to O7 must be specified as 0.
5. A lit display position (black) corresponds to a 1.
6. Line 9 and the following lines must be blanked with 0s for a 5
× 8 dot character fonts.
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相關代理商/技術參數
參數描述
447-800 功能描述:環形MIL規格后蓋 RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質:Aluminum Alloy
447802-1 制造商:TE Connectivity 功能描述:SCREW 4-40 - Bulk
447-804M0503 功能描述:環形MIL規格后蓋 RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質:Aluminum Alloy
447-804NF0503K 功能描述:環形MIL規格后蓋 RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質:Aluminum Alloy
447-804NF0603B 功能描述:環形MIL規格后蓋 RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質:Aluminum Alloy
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