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参数资料
| 型号： | SSD1815T2R |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SEMICONDUCTOR TECHNICAL DATA |
| 中文描述： | 半导体技术数据 |
| 文件页数： | 16/35页 |
| 文件大小： | 856K |
| 代理商： | SSD1815T2R |
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SSD1815
16
REV 1.5
03/2000
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 3 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 will NOT be increased.
2. Column Address will NOT wrap round to zero when overflow.
Commands Required for R/W(WR) Actions on RAM
Note: 1. No need to resend the command again if it is set previously.
2. 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.
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)
相关PDF资料 |
PDF描述 |
|---|---|
| SSD1815T3R | SEMICONDUCTOR TECHNICAL DATA |
| SSD1815TR | SEMICONDUCTOR TECHNICAL DATA |
| SSD1815Z | SEMICONDUCTOR TECHNICAL DATA |
| SSD1818A | LCD Segment / Common Driver with Controller |
| SSD1818ATR1 | LCD Segment / Common Driver with Controller |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SSD1815T3R | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SEMICONDUCTOR TECHNICAL DATA |
| SSD1815TR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SEMICONDUCTOR TECHNICAL DATA |
| SSD1815Z | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SEMICONDUCTOR TECHNICAL DATA |
| SSD1818 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LCD Segment / Common Driver with Controller |
| SSD1818A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LCD Segment / Common Driver with Controller |
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