參數(shù)資料
型號(hào): S1D13700
廠商: 愛普生(中國)有限公司
英文描述: Embedded Memory Graphics LCD Controller
中文描述: 嵌入式內(nèi)存圖形液晶顯示控制器
文件頁數(shù): 68/134頁
文件大小: 1000K
代理商: S1D13700
Page 68
Epson Research and Development
Vancouver Design Center
S1D13700
X42A-A-001-00
Hardware Functional Specification
Issue Date: 2004/01/06
Revision 1.0
HDOT SCR
The HDOT SCR command sets the horizontal scroll position when indirect addressing is
used. The values from REG[1Bh] are passed as parameters when the HDOT SCR command
is issued. For further information on the HDOT SCR command, see Section 11.1.9, “HDOT
SCR” on page 77.
Normal scrolling on text screens allows scrolling of entire characters only. The HDOT SCR
command provides horizontal pixel scrolling for text screens. HDOT SCR cannot be used
on individual layers.
Note
HDOT SCR must be set to zero for all display modes except 1 bpp (REG[20h] Bit-Per-
Pixel Select Register bits 1-0 = 0).
bits 2-0
Horizontal Pixel Scroll bits [2:0]
These bits specify the number of horizontal pixels to scroll the display. The character
bytes per row (C/R), REG[03h] bits 7-0, must be set to one more than the actual number of
horizontal characters before using horizontal pixel scroll. Smooth scrolling can be simu-
lated by repeatedly changing the value of REG[1Bh] bits 2-0. See Section 12.5, “Scroll-
ing” on page 92 for more information on scrolling the display.
Figure 10-10 Horizontal Scrolling
REG[1Bh] Horizontal Pixel Scroll Register
Address = 801Bh
Read/Write
n/a
Horizontal Pixel Scroll bits 2-0
7
6
5
4
3
2
1
0
M
B
X
Y
A
B
X
Y
Z
M = 0
N = 0
Display width
N
M/N is the number of bits (dots) that parameter 1 (P1)
is incremented/decremented by.
A
Z
A
B
X
Y
相關(guān)PDF資料
PDF描述
S1D13706 S1D13706 Embedded Memory LCD Controller
S1D15E06 Direct RAM data display by display data RAM
S1D15E06D01B000 Direct RAM data display by display data RAM
S1D15E06D01E000 Direct RAM data display by display data RAM
S1D15E06D03B000 Direct RAM data display by display data RAM
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