參數(shù)資料
型號(hào): S1D13700F02A100
元件分類: 顯示控制器
英文描述: 320 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP64
封裝: LEAD FREE, TQFP-64
文件頁數(shù): 77/108頁
文件大?。?/td> 1373K
代理商: S1D13700F02A100
4: FUNCTION DESCRIPTION
S1D13700 Technical Manual
EPSON
65
4.1.7
Scrolling
The MPU dynamically rewrites the scroll address registers (SAD1–SAD4) that provide the read start address
in the S1D13700’s display memory, thereby allowing various scroll modes to be set. In this case, the MPU
manages all operations to execute scrolling, select scroll mode, and set a scroll rate.
(1) Intra-page scrolling
This refers to a mode of scroll operation whereby scrolling is performed within display memory space
equivalent to one screen.
All lines are scrolled one line up and the bottom line is deleted as shown below. Since the S1D13700 does
not automatically delete the bottom line, the MPU must rewrite the scroll address registers and
simultaneously write blank data to the S1D13700.
(2) Inter-page scrolling and page switching
Scrolling between pages and page switching can be performed only when display memory has more than
one-screen equivalent capacity.
<Screen>
<Display memory>
Before scrolling
After scrolling
C/R
AP
SAD1
SAD3
SAD1
Blank
Cleared
ABC
WXYZ
789
ABC
WXYZ
789
WXYZ
789
WXYZ
789
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