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參數(shù)資料
| 型號： | S6D0114 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 132 RGB X 176 DOT 1-CHIP DRIVER IC WITH INTERNAL GRAM FOR 262,144 Colors TFT-LCD |
| 中文描述： | 132的RGB × 176交通部1 -芯片驅(qū)動(dòng)器集成電路的26萬色TFT內(nèi)部革蘭氏液晶顯示器 |
| 文件頁數(shù)： | 94/143頁 |
| 文件大?。?/td> | 1919K |
| 代理商： | S6D0114 |
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132-RGB X 176-DOT 1-CHIP DRIVER IC FOR 262,144-COLOR TFT-LCD DISPLAY
S6D0114
Preliminary
94
HIGH-SPEED BURST RAM WRITE FUNCTION
The S6D0114 has a high-speed burst RAM-write function that can be used to write data to RAM in one-fourth the
access time required for an equivalent standard RAM-write operation. This function is especially suitable for
applications that require the high-speed rewriting of the display data, for example, display of color animations, etc.
When the high-speed RAM-write mode (HWM) is selected, data for writing to RAM is once stored to the S6D0114
internal register. When data is selected four times per word, all data is written to the on-chip RAM. While this is
taking place, the next data can be written to an internal register so that high-speed and consecutive RAM writing can
be executed for animated displays, etc.
Microcomputer
Register 1
Register 2
Register 3
Register 4
18
72
“0000”H
“0001”H
“0002”H
“0003”H
GRAM
Address
counter
(AC)
16
a) High-speed burst RAM write operation flow
CSB
(input)
b) Example of the operation of high-speed consecutive writing to RAM
1 2 3 4 1 2 3 4 1 2 3 4
Index
(R22)
RAM
data
1
RAM
data
2
RAM
data
3
RAM
data
4
RAM
data
5
RAM
data
6
RAM
data
7
RAM
data
8
RAM
data
9
RAM
data
10
RAM
data
11
RAM
data
12
Index
RAM write
execution time
RAM write
execution time
RAM write
execution time*
RAM
data 1 to 4
RAM
data 5 to 8
RAM
data 9 to 12
E
(input)
DB17-0
(input/output)
RAM write data
(72 bit)
RAM address
(AC 15-0)
“0000”H
“0004”H
“0008”H
“000A”H
NOTE: The lower two bits of the address must be set in the following way in high-speed write mode.
ID0=0: The lower 2 bits of the address must be set to 11.
ID0=1: The lower 2 bits of the address must be set to 00.
When a high speed RAM write is canceled, the next instruction must only be executed
after the RAM write execution time has elapsed.
Figure 66. Example of the operation of high-speed consecutive writing to RAM
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| S6D04D2X03-BJD4 | 制造商:Samsung Semiconductor 功能描述:Mobile TFT driver, COG, wqVGA, 16M colors |
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