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參數(shù)資料
| 型號(hào)： | DEM16217SYH |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Display Elektronik GmbH |
| 中文描述： | 顯示器經(jīng)銷商公司 |
| 文件頁數(shù)： | 9/21頁 |
| 文件大?。?/td> | 251K |
| 代理商： | DEM16217SYH |
DEM 16217 SYH
Product specification
9. INSTRUCTION DESCRIPTION (IE = "LOW" )
4).Display ON/OFF CONTROL
RS
0
R/W
0
DB7
0
DB6
0
DB5
0
DB4
0
DB3
1
DB2
D
DB1
C
DB0
B
Control display/cursor/blink ON/OFF 1 bit register.
D : Display ON/OFF control bit
When D = "1" , entire display is turned on .
When D = "0" , display is turned off, but display data is remained in DDRAM .
C : Cursor ON/OFF control bit
When C = "1" , cursor is turned on.
When C = "0" , cursor is disappeared in current display, but I/D register retains its data .
B : Cursor Blink ON/OFF control bit
When B = "1" , cursor blink is on , that performs alternate between all the "1" data and display character at
the cursor position.
When B = "0" , blink is off.
9. INSTRUCTION DESCRIPTION (IE = "LOW" )
5).Cursor or Display Shift
RS
0
R/W
0
DB7
0
DB6
0
DB5
0
DB4
1
DB3
S/C
DB2
R/L
DB1
X
DB0
X
Without writing or reading of display data , Shift right/left cursor position or display
This instruction is used to correct or search display data . (Refer to Table 4)
During 2-line mode display, cursor moves to the 2nd line after 40th digit of 1st line .
Note that display shift is performed simultaneously in all the line .
When displayed data is shifted repeatedly, each line shifted individually .
When displayed shift is performed, the contents of address counter are not changed .
Table 4 Shift patterns according to S/C and R/L bits
S/C
R/L
Operation
0
0
Shift cursor to the left, AC is decreased by 1
0
1
Shift cursor to the right, AC is increased by 1
1
0
Shift all the display to the left, cursor moves according to the display
1
1
Shift all the display to the right, cursor moves according to the display
9. INSTRUCTION DESCRIPTION (IE = "LOW" )
6).Function Set
RS
R/W
DB7
DB6
DB5
0
0
0
0
1
DB4
DL
DB3
N
DB2
F
DB1
X
DB0
X
DL : Interface data length control bit
When DL = "1" , it means 8-bit bus mode with MPU.
When DL = "0" , it means 4-bit bus mode with MPU. So to speak, DL is a signal to select 8-bit or 4-bit bus mode .
When 4-bit bus mode, it needs to transfer 4-bit data in two parts .
N : Display line number control bit
When N = "1" , 2-Line display mode is set .
When N = "0" , 1-Line display mode is set .
F : Display font type control bit
When F = "0" , 5 X 7 dots format display mode .
When F = "1" , 5 X 10 dots format display mode .
VERSION : 1
7
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