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參數(shù)資料
| 型號： | HD66766R |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| 中文描述： | 132 × 176點圖形LCD控制器/驅(qū)動器的65K色 |
| 文件頁數(shù)： | 47/97頁 |
| 文件大?。?/td> | 681K |
| 代理商： | HD66766R |
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HD66766R Rev. 1.0-1 / September 2002
47
Note the following when using high-speed RAM write mode.
Notes: 1. The logical and compare operation cannot be used.
2. Data is written to RAM each four words. When an address is set, the lower two bits in the
address must be set to the following values.
*When I/D0=0, the lower two bits in the address must be set to “11” and be written to RAM.
*When I/D0=1, the lower two bits in the address must be set to “00” and be written to RAM.
3. Data is written to RAM each four words. If less than four words of data is written to RAM,
the last data will not be written to RAM.
4. When the index register and RAM data write (“22”H) have been selected, the data is always
written first. RAM cannot be written to and read from at the same time. HWM must be set
to “0” while RAM is being read.
5. High-speed and normal RAM write operations cannot be executed at the same time. The
mode must be switched and the address must then be set.
6. When high-speed RAM write is used with a window address-range specified, dummy write
operation may be required to suit the window address range-specification. Refer to the High-
Speed RAM Write in the Window Address section.
Table 30 Comparison between Normal and High-Speed RAM Write Operations
Normal RAM Write
(HWM=0)
Can be used
Can be used
Can be used
High-Speed RAM Write
(HWM=1)
Cannot be used
Cannot be used
Can be used
ID0 bit=0: Set the lower two bits to 11
ID0 bit=1: Set the lower two bits to 00
Cannot be used
Dummy write operations may have to be
inserted according to a window address-
range specification
Can be set by four words
Logical operation function
Compare operation function
Write mask function
RAM address set
Can be specified by word
RAM read
Can be read by word
RAM write
Can be written by word
Window address
Can be set by word
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD667A66R | 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD667B66R | 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD66780FH | LAMPS, STACKABLE INDICATOR |
| HD66780FS | Dot Matrix Liquid Crystal Display Controller and Driver |
| HD66780 | Dot Matrix Liquid Crystal Display Controller and Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66773R | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels |
| HD66780 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot Matrix Liquid Crystal Display Controller and Driver |
| HD66780FH | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot Matrix Liquid Crystal Display Controller and Driver |
| HD66780FS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot Matrix Liquid Crystal Display Controller and Driver |
| HD66781 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM |
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