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參數(shù)資料
| 型號： | SSD1818AZ |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | LCD Segment / Common Driver with Controller |
| 中文描述： | LCD段/驅(qū)動器與控制器通用 |
| 文件頁數(shù)： | 27/47頁 |
| 文件大小： | 642K |
| 代理商： | SSD1818AZ |
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SSD1818A
Rev 1.2
P 27/47 Mar 2004
Solomon Systech
Note: - “ * ” stands for don't care bit
- Command patterns other than that given in Command Table and Extended Command Table are prohibited.
Otherwise, unexpected result will occur.
Data Read / Write
To read data from the GDDRAM, input High to R/
W
(WR ) pin and D/
C
pin for 6800-series parallel mode,
input Low to E (
RD
) pin and High to D/
C
pin for 8080-series parallel mode. No data read is provided in
serial interface mode.
In normal data read mode, GDDRAM column address pointer will be increased by one automatically after
each data read. However, no automatic increase will be performed in read-modify-write mode.
Also, a dummy read is required before first valid data is read. See Figure 3 on page 15 in Functional
Block Descriptions section for detail waveform diagram.
To write data to the GDDRAM, input Low to R/
W
( WR ) pin and High to D/
C
pin for both 6800-series and
8080-series parallel mode. For serial interface mode, it is always in write mode. GDDRAM column
address pointer will be increased by one automatically after each data write.
It should be noted that, after the automatic column address increment, the pointer would NOT wrap round
to 0. The pointer will exit the memory address space after accessing the last column. Therefore, the
pointer should be re-initialized when progress to another page address
D/C
0
0
1
1
R/
W
( WR )
0
1
0
1
Action
Auto Address Increment
No
No
Yes
Yes
Write Command
Read Status
Write Data
Read Data
Table 7 - Automatic Address Increment
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