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參數(shù)資料
| 型號(hào)： | HD66710 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | (Dot Matrix Liquid Crystal Display Controller/Driver) |
| 中文描述： | （點(diǎn)陣式液晶顯示控制器/驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 21/73頁(yè) |
| 文件大小： | 507K |
| 代理商： | HD66710 |
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HD66710
311
Handling unused character patterns
1. EPROM data outside the character pattern area: This is ignored by the character generator ROM
for display operation so any data is acceptable.
2. EPROM data in CGRAM area: Always fill with zeros. (EPROM addresses 00H to FFH.)
3. Treatment of unused user patterns in the HD66710 EPROM: According to the user application,
these are handled in either of two ways:
a. When unused character patterns are not programmed: If an unused character code is written
into DDRAM, all its dots are lit, because the EPROM is filled with 1s after it is erased.
b. When unused character patterns are programmed as 0s: Nothing is displayed even if unused
character codes are written into DDRAM. (This is equivalent to a space.)
Table 5
Example of Correspondence between Character Code and Character Pattern (5
×
8
Dots) in CGRAM
D7 D6 D5 D4 D3 D2 D1 D0
Character code (DDRAM data)
CGRAM data
O4 O3 O2 O1 O0
O5
LSB
MSB
O7
A2 A1 A0
A5 A4 A3
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
0
*
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
1
0
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
0
0
0
*
*
*
O6
CGRAM address
1
1
1
0
0
0
0
0
*
*
1
0
0
0
0
1
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
1
*
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
0
0
0
1
0
0
0
1
1
1
0
0
0
0
1
1
1
*
Character
pattern
(1)
Character
pattern
(8)
a) When Character Pattern in 5
×
8 Dots
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66710A00FS | 16 AMP SPDT MINIATURE POWER RELAY |
| HD66710A00TF | (Dot Matrix Liquid Crystal Display Controller/Driver) |
| HD66712U | Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器) |
| HD66712 | Dot-Matrix Liquid Crystal Display Controller/Driver |
| HD66712UA02TA0 | Dot-Matrix Liquid Crystal Display Controller/Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66710A00FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver) |
| HD66710A00TF | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(Dot Matrix Liquid Crystal Display Controller/Driver) |
| HD66712 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver |
| HD66712A00TA0 | 制造商:Renesas Electronics Corporation 功能描述: |
| HD66712A00TB0 | 制造商:Renesas Electronics Corporation 功能描述: |
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