參數(shù)資料
型號： S1D13305F00B
元件分類： 顯示控制器
英文描述： 640 X 256 PIXELS CRT CHAR OR GRPH DSPL CTLR, PQFP60
封裝： QFP6-60
文件頁數(shù)： 59/94頁
文件大小： 541K
代理商： S1D13305F00B
56
EPSON
S1D13305 Series
Technical Manual
10.3. Setting the Character Generator Address
calculated from SAG + character code + ROW select
address. This mapping is shown in Table 21 and 22.
Table 21. Character fonts, number of lines
≤ 8 (M2 = 0, M1 = 0)
Table 22. Character fonts, 9
≤ number of lines ≤ 16 (M2 = 1, M1 = 0)
SAG
A15 A14 A13 A12 A11 A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Character code
0000
D7
D6
D5
D4
D3
D2
D1
D0
0000
+ROW select address
000000000000
R3
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
00000
D7
D6
D5
D4
D3
D2
D1
D0
000
+ROW select address
0000000000000
R2
R1
R0
CG RAM address
VA15 VA14 VA13 VA12 VA11 VA10 VA9 VA8 VA7 VA6 VA5 VA4 VA3 VA2 VA1 VA0
Figure 45. Row select address
10.3.1. M1 = 1
The S1D13305 series automatically converts all bits set
in bit 6 of character code for CG RAM 2 to zero. Because
of this, the CG RAM data areas become contiguous in
display memory.
Row
Row 0
Row 1
Row 2
Row 7
Row 8
Row 14
Row 15
R3
0
1
R2
0
1
0
1
R1
0
1
0
1
R0
0
1
0
1
0
1
Line 1
Line 2
Note: Lines = 1: lines in the character bitmap
≤ 8
Lines = 2: lines in the character bitmap
≥ 9
The CG RAM addresses in the VRAM address space are
not mapped directly from the address in the SAG register.
The data to be displayed is at a CG RAM address
When writing data to CG RAM:
Calculate the address as for M1 = 0.
Change bit 6 of the character code from “1” to “0”.
CHARACTER GENERATOR
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