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)： 98/134頁
文件大?。?/td> 1000K
代理商： S1D13700
Page 98
Epson Research and Development
Vancouver Design Center
S1D13700
X42A-A-001-00
Hardware Functional Specification
Issue Date: 2004/01/06
Revision 1.0
13.2 Setting the Character Generator Address
The CGRAM addresses in the display memory address space are not mapped directly from
the address in the Character Generator RAM Start Address registers, REG[19h] -
REG[1Ah]. The data to be displayed is at a CGRAM address calculated from (REG[19h] -
REG[1Ah]) + character code + ROW select address. For the ROW select address, see
Figure 13-1 “Row Select Address,” on page 99.
The following tables show the address mapping for CGRAM addresses.
Table 13-1 Character Fonts Where Number of Lines
≤
8 (REG[00h] bit 2 = 0)
SAG
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Character Code
0
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
+ROW Select Address
0
0
0
0
0
0
0
0
0
0
0
0
0
R2
R1
R0
CGRAM Address
VA15 VA14 VA13 VA12 VA11 VA10
VA9
VA8
VA7
VA6
VA5
VA4
VA3
VA2
VA1
VA0
Table 13-2 Character Fonts Where Number of Lines
≤
16 (REG[00h] bit 2 = 1)
SAG
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Character Code
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
+ROW Select Address
0
0
0
0
0
0
0
0
0
0
0
0
R3
R2
R1
R0
CGRAM Address
VA15 VA14 VA13 VA12 VA11 VA10
VA9
VA8
VA7
VA6
VA5
VA4
VA3
VA2
VA1
VA0
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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