參數(shù)資料
型號(hào)： SSD1812TR
廠商： Electronic Theatre Controls, Inc.
英文描述： LCD Segment / Common Driver with Controller CMOS
中文描述： LCD段/與普通的CMOS驅(qū)動(dòng)器控制器
文件頁數(shù)： 22/28頁
文件大?。?/td> 434K
代理商： SSD1812TR
SSD1812
22
REV 1.2
12/99
S OLOMON
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, Low to E(RD) pin and High to D/
C pin for 8080-series parallel mode. No data read is provided for serial mode. In normal 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 the first data read. See Figure 4 in Functional Description.
To write data to the GDDRAM, input Low to R/W(WR) pin and High to D/C pin for 6800-series parallel mode. For serial interface, it will
always be in write mode. GDDRAM column address pointer will be increased by one automatically after each data write.
Address Increment Table (Automatic)
Address Increment is done automatically after data read write. The column address pointer of GDDRAM
*2
is affected.
Remarks:
*1. If read data is issued in read-modify-write mode, address increase is not applied.
*2. Column Address will NOT wrap round when overflow.
Commands Required for R/W(WR) Actions on RAM
* No need to resend the command again if it is set previously.
The read / write action to the Display Data RAM does not depend on the display mode. This means the user can change the RAM content
whether the target RAM content is being displayed or not.
Bit Pattern
Read Command
(D/C=0, R/W(WR)=1, E(RD)=0)
Comment
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
(Data Read Back from the
driver)
Status Register Read
D
7
=0:indicates an internal operation is completed.
D
7
=1:indicates an internal operation is in progress.
D
6
=0:indicates normal segment mapping with column address
D
6
=1:indicates reverse segment mapping with column address
D
5
=0:indicates the display is ON
D
5
=1:indicates the display is OFF
D
4
=0:initialization is not in progress
D
4
=1:initialization is in progress after RES or software reset
D
3
D
2
D
1
D
0
= 1010, these 4-bit is fixed to 1010 which could be
used to identify as Solomon Systech Device.
D/C
R/W(WR) Comment
Address Increment
Remarks
0
0
Write Command
No
0
1
Read Status
No
1
0
Write Data
Yes
1
1
Read Data
Yes
*1
R/W(WR) Actions on RAMs
Commands Required
Read/Write Data from/to GDDRAM.
Set GDDRAM Page Address
Set GDDRAM Column Address
Read/Write Data
(1011X
3
X
2
X
1
X
0
)*
(0001X
3
X
2
X
1
X
0
)*
(0000X
3
X
2
X
1
X
0
)
(X
7
X
6
X
5
X
4
X
3
X
2
X
1
X
0
)
(11100000)
Save/Restore GDDRAM Column Address.
Save GDDRAM Column Address by read-modify-
write mode
Restore GDDRAM Column Address by end of read-
modify-write mode
(11101110)
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SSD1812Z 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Segment / Common Driver with Controller CMOS
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SSD1815B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Segment / Common Driver with Controller
SSD1815BT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Segment / Common Driver with Controller
SSD1815BT2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Segment / Common Driver with Controller
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