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參數(shù)資料
| 型號： | MSM6794 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | LCD Driver(LCD驅(qū)動(dòng)器) |
| 中文描述： | LCD驅(qū)動(dòng)器（液晶驅(qū)動(dòng)器） |
| 文件頁數(shù)： | 23/34頁 |
| 文件大?。?/td> | 195K |
| 代理商： | MSM6794 |
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Semiconductor
23/34
MSM6794
Display Screen and Memory Address
The MSM6794 includes a bit map type display RAM (48
￥
128 bit). Display data is written to
display memory with MSB as (Xn, Yn) address, and LSB as (Xn+7, Yn) address, as shown in
Figure 1.
Writing "1" to display memory turns the light on, and writing "0" turns the light off.
The address assignment of memory address changes depending on the selection of word length:
8 bits or 6 bits. The memory address is 0 to 15 for 8 bits per word, and 0 to 21 for 6 bits per word.
When X address is 21 with 6 bits per word, the display memory is 2 bits. 2 bits (D5, D4) from MSB
of data display are written to memory, with the remaining 4 bits (D3 to D0) becoming invalid.
Figure 1. Correspondence between display screen and memory
COM1
COM2
COM48
S
S
S
S
S
S
S
S
S
128
×
48 dot LCD panel
Y0
Y1
Y47
RAM for 128
×
48 bit display
1 0 1 0 1 0 0 1
MSB
LSB
X direction
Y
X
X
X
X
X
X
X
X
X
0 1 2 3
21
0
1
47
(6 bits)
(2 bits)
Address assignment for 6 bits/word
0 1 2 3
15
0
1
47
(8 bits)
Address assignment for 8 bits/word
Figure 2. Display memory address
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|---|---|
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM67P620 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:HIGH PERFORMANCE CMOS 16-BIT SINGLE CHIP MICROCONTROLLER |
| MSM6801 | 制造商:Qualcomm 功能描述:ELECTRONIC COMPONENT |
| MSM6801A | 制造商:Qualcomm 功能描述:ELECTRONIC COMPONENT |
| MSM6807 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:BASEBAND FILTER LSI FOR SELLULAR MOBILE TELEPHONE |
| MSM6808 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:SPLIT FILTER LSI FOR MODEM FUNCTION IN THE CELLULAR MOBILE PHONE |
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