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PDF DEM16217SYH-LY Data sheet ( Hoja de datos )
| Número de pieza | DEM16217SYH-LY | |
| Descripción | LCD MODULE | |
| Fabricantes | Display Elektronik | |
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DISPLAY Elektronik GmbH
LCD MODULE
DEM 16217 SYH-LY
Product Specification
Version : 5.1.4
06/May/2010
1 page  
DEM 16217 SYH-LY
3. EXTERNAL DIMENSIONS (
unit: mm)
Product Specification
4. BLOCK DIAGRAM
DB0~DB7
E
R/W
RS
V0
VDD
VSS
LED+(A)
LED-(K)
LCD
Controller
COM1~COM16
LCD PANEL
2 Line x 16 Characters
LSI
ST7066U-0
A-B
BACKLIGHT
SEG1~SEG4
CONTROL
SIGNALS
SEG41~SEG8
SEGMENT
DRIVER
ST7065
Version : 5.1.4
PAGE: 3
5 Page 
DEM 16217 SYH-LY
Product Specification
11. CONTROL AND DISPLAY COMMAND
Command
Clear
Display
RS
R/W DB7 DB6 DB5 DB4 DB3
DB2
DB1
DB0
Execution time
(fosc=270KHz)
0 0 0000 0 0 0 1
1.52ms
Remark
Write”20H” to DDRAM. And set
DDRAM address to “00H” from AC
Return home 0 0 0 0 0 0 0 0 1 x
1.52ms
Set DDRAM address to “00H” from AC
and return cursor to its original position if
shifted. The contents of DDRAM are not
changed.
Entry mode
Set
0
0
0000
0
1 I/D S
Sets cursor move direction and specifies
37us display shift. These operations are
performed during data write and read.
Display
on/off
0 0 0000 1 D C B
control
37us
D=1: entire display on
C=1: cursor on
B=1: cursor position on
Cursor
Set cursor moving and display shift
or 0 0 0 0 0 1 S/C R/L x x 37us control bit, and the direction, without
Display Shift
changing DDRAM data.
function
Set
0 0 0 0 1 DL N
F
x
x
37us
Set CGRAM
address
0
0
0 1 AC5 AC4 AC3 AC2 AC1 AC0
Set DDRAM
address
0
0
1 AC6 AC5 AC4 AC3 AC2 AC1 AC0
37us
37us
DL: interface data is 8/4 bits
N: number of line is 2/1
F: font size is 5x11/5x8
Set CGRAM address in address counter
Set DDRAM address in address counter
Read busy
flag&
address
0
1 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0
Whether during internal operation or not
0us can be known by reading BF. The contents
of address counter can also be read.
Write data
to RAM
Read data
from RAM
1
1
0 D7 D6 D5 D4 D3 D2 D1 D0
1 D7 D6 D5 D4 D3 D2 D1 D0
37us
Write data into internal RAM
(DDRAM/CGRAM)
37us
Read data from internal RAM (DDRAM /
CGRAM)
Note:
Be sure the ST7066U is not in the busy state (BF=00 before sending an instruction from the MPU to the ST7066U. If
an instruction is sent without checking the busy flag, the time between the first instruction and next instruction will
take much longer than the instruction time itself. Refer to instruction table for the list of each instruction execution
time.
Version : 5.1.4
PAGE: 9
11 Page | ||
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