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PDF WH2004A-YYH-JT Data sheet ( Hoja de datos )
| Número de pieza | WH2004A-YYH-JT | |
| Descripción | LCD Module | |
| Fabricantes | Winstar | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de WH2004A-YYH-JT (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Winstar Display Co., LTD
華凌光電股份有限公司
住址: 407 台中市中清路 163 號
No.163 Chung Ching RD.,
Taichune, Taiwan, R.O.C
WEB: http://www.winstar.com.tw
E-mail: [email protected]
Tel:886-4-24262208 Fax：886-4-24262207
SPECIFICATION
CUSTOMER :
MODULE NO.:
WH2004A-YYH-JT#
APPROVED BY:
( FOR CUSTOMER USE ONLY )
PCB VERSION:
DATA:
SALES BY
APPROVED BY
CHECKED BY
PREPARED BY
ISSUED DATE:
Page 1 of 34
Free Datasheet http://www.datasheet4u.com/
1 page  
Special Code
G→Reflective, W. T, 6:00
C→Transmissive, N.T,6:00
J→Reflective, W. T, 12:00 F→Transmissive, N.T,12:00
B→Transflective, N.T,6:00 I→Transmissive, W. T, 6:00
E→Transflective, N.T.12:00 L→Transmissive, W.T,12:00
JT : English and Japanese standard font
#:Fit in with the ROHS Directions and regulations
2.Precautions in use of LCD Modules
(1)Avoid applying excessive shocks to the module or making any alterations or modifications to it.
(2)Don’t make extra holes on the printed circuit board, modify its shape or change the components of
LCD module.
(3)Don’t disassemble the LCM.
(4)Don’t operate it above the absolute maximum rating.
(5)Don’t drop, bend or twist LCM.
(6)Soldering: only to the I/O terminals.
(7)Storage: please storage in anti-static electricity container and clean environment.
3.General Specification
Item
Dimension
Page 5 of 34
Unit
Free Datasheet http://www.datasheet4u.com/
5 Page 
The LCD display Module is built in a LSI controller, the controller has two 8-bit registers, an
instruction register (IR) and a data register (DR).
The IR stores instruction codes, such as display clear and cursor shift, and address information for
display data RAM (DDRAM) and character generator (CGRAM). The IR can only be written from the
MPU. The DR temporarily stores data to be written or read from DDRAM or CGRAM. When
address information is written into the IR, then data is stored into the DR from DDRAM or CGRAM.
By the register selector (RS) signal, these two registers can be selected.
RS R/W
Operation
0 0 IR write as an internal operation (display clear, etc.)
0 1 Read busy flag (DB7) and address counter (DB0 to DB7)
1 0 Write data to DDRAM or CGRAM (DR to DDRAM or CGRAM)
1 1 Read data from DDRAM or CGRAM (DDRAM or CGRAM to DR)
Busy Flag (BF)
When the busy flag is 1, the controller LSI is in the internal operation mode, and the next instruction
will not be accepted. When RS=0 and R/W=1, the busy flag is output to DB7. The next instruction
must be written after ensuring that the busy flag is 0.
Address Counter (AC)
The address counter (AC) assigns addresses to both DDRAM and CGRAM
Display Data RAM (DDRAM)
This DDRAM is used to store the display data represented in 8-bit character codes. Its extended
capacity is 80×8 bits or 80 characters. Below figure is the relationships between DDRAM addresses
High bits
Low bits
AC
(hexadecimal)
AC6 AC5 AC4 AC3 AC2 AC1 AC0
and positions on the liquid crystal display.
Example: DDRAM addresses 4E
1001110
Page 11 of 34
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet WH2004A-YYH-JT.PDF ] | |
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