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(yè)數(shù): 58/108頁(yè)
文件大?。?/td> 1373K
代理商: S1D13700F02A100
4: FUNCTION DESCRIPTION
48
EPSON
S1D13700 Technical Manual
Note: Up to 64 characters can be used in one bank when used in combination with CG ROM.
When using only CG RAM, up to 256 characters can be used in one bank. Also note that
the relationship between CG patterns and character codes changes when banks are
switched over.
(3) Method of determining the CG address
The addition shown below is performed to generate CG RAM addresses. Therefore, note that CG RAM
data is not mapped from addresses set in the SAG register to the VRAM space, but are mapped based on
the SAG + character code + row select address.
1When number of lines that comprise the character font is equal to or less than 8 (M2 = 0, M1 = 0)
2When number of lines that comprise the character font is from 9 to 16, including both ends (M2 = 1, M1
= 0)
Note: Only the addressing above is supported.
Table 4-1 Row Select Addresses
Note: 1. Line count l ... when character font consists of 8 lines or less
Line count 2 ... when character font consists of 9 lines or more
3When M1 = 1
For the character codes dened in CG RAM2, the S1D13700 automatically changes the D6 bit in the
character code from 1 to 0. This ensures that the data storage area in CG RAM corresponds to
SAG
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Character code
00000
D7
D6
D5
D4
D3
D2
D1
D0
0
+ row select address
000000
0000000
R2
R1
R0
CG RAM address
VA15 VA14 VA13 VA12 VA11 VA10
VA9
VA8
VA7
VA6
VA5
VA4
VA3
VA2
VA1
VA0
SAG
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Character code
0
00
D7
D6
D5
D4
D3
D2
D1
D0
0
+ row select address
000000
R3
R2
R1
R0
CG RAM address
VA15 VA14 VA13 VA12 VA11 VA10
VA9
VA8
VA7
VA6
VA5
VA4
VA3
VA2
VA1
VA0
R3
R2
R1
R0
ROW0
0
ROW1
0
1
ROW2
0
1
0
ROW7
0
1
ROW8
1
0
1
ROW14
1
0
ROW15
1
Line
count 2
Line count 1
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