參數(shù)資料
型號: 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): 57/134頁
文件大?。?/td> 1000K
代理商: S1D13700
Epson Research and Development
Vancouver Design Center
Page 57
Hardware Functional Specification
Issue Date: 2004/01/06
S1D13700
X42A-A-001-00
Revision 1.0
bits 5-4
SAD2 Attribute (FP 3-2) bits [1:0]
These bits control the attributes of the second screen block (SAD2). These bits also con-
trol the attributes of the fourth screen block (SAD4) when it is enabled by setting the Panel
Drive Select bit to dual panel mode (REG[00h] bit 3 = 1). In this mode, the attributes of
the second screen block (SAD2) and the fourth screen block (SAD4) share the same set-
tings and cannot be set independently.
bits 3-2
SAD1 Attribute (FP 1-0) bits [1:0]
These bits control the attributes of the first screen block (SAD1) as follows.
bits 1-0
Cursor Attribute (FC) bits [1:0]
These bits control the cursor and set the flash rate. The cursor flashes with a 70% duty
cycle (ON 70% of the time and OFF 30% of the time).
Note
When the cursor is disabled, a write to memory automatically enables the cursor and
places the cursor at the next memory location. A read from memory does not enable the
cursor, however, it still places the cursor at the next memory location.
Table 10-4 Screen Block 2/4 Attribute Selection
Second Screen Block (SAD2, SAD4)
REG[0Ah] bit 5
REG[0Ah] bit 4
Attributes
0
0
OFF (Blank)
0
1
ON
No Flashing
1
0
Flash at f
FR
/32 Hz
(approx. 2 Hz)
1
1
Flash at f
FR
/4 Hz
(approx. 16 Hz)
Table 10-5 Screen Block Attribute Selection
First Screen Block (SAD1)
REG[0Ah] bit 3
REG[0Ah] bit 2
Attributes
0
0
OFF (Blank)
0
1
ON
No Flashing
1
0
Flash at f
FR
/32 Hz
(approx. 2 Hz)
1
1
Flash at f
FR
/4 Hz
(approx. 16 Hz)
Table 10-6 Cursor Flash Rate Selection
Bit 1
Bit 0
Cursor Display
0
0
OFF (Blank)
0
1
ON
No Flashing
1
0
ON
Flash at f
FR
/32 Hz
(approx. 2 Hz)
1
1
ON
Flash at f
FR
/64 Hz
(approx. 1 Hz)
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