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參數資料
| 型號： | SPLC780D |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 16COM/40SEG Controller/Driver |
| 中文描述： | 16COM/40SEG控制器/驅動器 |
| 文件頁數： | 7/48頁 |
| 文件大?。?/td> | 851K |
| 代理商： | SPLC780D |
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SPLC780D
6.2.6. Function set
Sunplus Technology Co., Ltd.
Proprietary & Confidential
7
NOV. 04, 2004
Version: 1.2
X: Do not care (0 or 1)
DL: It sets interface data length.
DL = 1: Data transferred with 8-bit length (DB7 - 0).
SunpusConidenia
DL = 0: Data transferred with 4-bit length (DB7 - 4).
It requires two times to accomplish data transferring.
N: It sets the number of the display line.
N = 0: One-line display.
N = 1: Two-line display.
F: It sets the character font.
F = 0: 5 x 8 dots character font.
F = 1: 5 x 10 dots character font.
N
F
No. of Display Lines Character Font Duty Factor
0
0
1
5 x 8 dots
1 / 8
0
1
1
5 x 10 dots
1 / 11
1
X
2
5 x 8 dots
1 / 16
It cannot display two lines with 5 x 10 dots character font.
6.2.7. Set character generator RAM address
It sets Character Generator RAM Address (aaaaaa)
2
to the
Address Counter.
Character Generator RAM data can be read or written after this
setting.
6.2.8. Set display data RAM address
It sets Display Data RAM Address (aaaaaaa)
2
to the Address
Counter.
Display data RAM can be read or written after this setting.
In one-line display (N = 0),
(aaaaaaa)
2:
(00)
16
- (4F)
16.
In two-line display (N = 1),
(aaaaaaa)
2:
(00)
16
- (27)
16
for the first line,
(aaaaaaa)
2:
(40)
16
- (67)
16
for the second line.
6.2.9. Read busy flag and address
When BF = 1, it indicates the system is busy now and it will not
accept any instruction until not busy (BF = 0). At the same time,
the content of Address Counter (aaaaaaa)
2
is read.
6.2.10. Write data to character generator RAM or
display data RAM
It writes data (dddddddd)
2
to character generator RAM or display
data RAM.
6.2.11. Read data from character generator RAM or
display data RAM
It reads data (dddddddd)
2
from character generator RAM or
display data RAM.
To read data correctly, do the following:
1). The address of the Character Generator RAM or Display Data
RAM or shift the cursor instruction.
2). The “ Read ” instruction.
DB7
Code
RS
R/W
X
DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
1
DL
N
F
X
DB7
Code
RS
R/W
a
DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
1
a
a
a
a
a
DB7
Code
RS
R/W
a
DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
1
a
a
a
a
a
a
DB7
Code
RS
R/W
a
DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
1
BF
a
a
a
a
a
a
DB7
Code
RS
R/W
d
DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
0
d
d
d
d
d
d
d
DB7
Code
RS
R/W
d
DB6 DB5 DB4 DB3 DB2 DB1 DB0
1
1
d
d
d
d
d
d
d
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