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PDF DEM16217SYH Data sheet ( Hoja de datos )
| Número de pieza | DEM16217SYH | |
| Descripción | Display Elektronik GmbH | |
| Fabricantes | ETC | |
| Logotipo |  |
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Display Elektronik GmbH
LCD MODULE
DEM 16217 SYH
Product specification
VERSION:1
02.04.2001
1 page  
DEM 16217 SYH
4. External Dimensions
Product specification
Figure 2.0
5. PIN Assignment
Pin No.
1
2
3
4
Symbol
VSS
VDD
V0
RS
5 R/W
6
7
8
9
10
11
12
13
14
15
16
VERSION : 1
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
NC
NC
Function
Ground terminal of module
Supply terminal of module 2.7 to 5.5 V
Power Supply for Liquid crystal Drive
Register Select
RS = 0 (Instruction Register)
RS = 1 (Data Register)
Read / Write
R/W = 1 (Read)
R/W = 0 (Write)
Enable
Bi-directional Data Bus, Data Transfer is performed
once , thru DB0~DB7 , in the case of interface data .
Length is 8-bits; and twice , thru DB4~DB7 in the case
of interface data length is 4-bits .
Upper four bits first then lower four bits .
Prepared for version with LED-backlight
Prepared for version with LED-backlight
3
5 Page 
DEM 16217 SYH
Product specification
(CONTINUED)
Table 5. Instruction Set
Instruction code
Execution
Instruction RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 time (fosc
Description
=270KHz)
clear
Display
0 0 0 0 0 0 0 0 0 1 1.53ms Write "20H" to DDRAM. And set
DDRAM address to "00H" from AC .
Set DDRAM address to "00H" from AC
Return
home
0 0 0 0 0 0 0 0 1 X 1.53ms and return cursor to its original position
if shifted.
Entry
mode set
0 0 0 0 0 0 0 1 I/D SH 39us Assign cursor moving direction and
enable the shift of entire display
Display on/ 0 0 0 0 0 0 1 D C B
off control
39us Set display (D), cursor (C), and blinking
of cursor (B) on/off control bit .
Cursor or 0 0 0 0 0 1 S/C R/L X X 39us Set cursor moving and display shift
Display
shift
control bit , and the direction , without
changing of DDRAM data .
Function
Set interface data length (DL : 4-bit/8-bit),
Set 0 0 0 0 1 DL N F X X 39us numbers of display line (N : 1-line/2-line,
Display font type (F: 0…)
Set CGRAM 0 0 0 1 AC5 AC4 AC3 AC2 AC1 AC0 39us Set CGRAM address in address counter.
Address
Set DDRAM 0 0 1 AC6 AC5 AC4 AC3 AC2 AC1 AC0 39us Set DDRAM address in address counter.
Address
Read Busy
Whether during internal operation or not
flag and
0 1 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0 0us can be known by reading BF.
Address
The contents of address counter can
also be read .
Write Data
to RAM
1 0 D7 D6 D5 D4 D3 D2 D1 D0
43us Write data into internal RAM
( DDRAM/CGRAM )
Read Data 1 1 D7 D6 D5 D4 D3 D2 D1 D0
from RAM
43us Read data from internal RAM
( DDRAM/CGRAM )
NOTE : When you make an MPU program with checking the Bus Flag (DB7), it must be necessary 1/2 Fosc for
executing the next instruction by falling E signal after the Busy Flag (DB7) goes to "0" .
VERSION : 1
9
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