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PDF WH2004A-TMI-JT Data sheet ( Hoja de datos )

Número de pieza WH2004A-TMI-JT
Descripción Display Module
Fabricantes Winstar 
Logotipo Winstar Logotipo



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No Preview Available ! WH2004A-TMI-JT Hoja de datos, Descripción, Manual

Winstar Display Co., LTD
華凌光電股份有限公司
住址: 407 台中市中清路 163
No.163 Chung Ching RD.,
Taichune, Taiwan, R.O.C
WEB: http://www.winstar.com.tw
Tel:886-4-24262208 Fax886-4-24262207
SPECIFICATION
CUSTOMER :
MODULE NO.:
WH2004A-TMI-JT#170
APPROVED BY:
( FOR CUSTOMER USE ONLY ) PCB VERSION:
DATA:
SALES BY
APPROVED BY
CHECKED BY
PREPARED BY
VERSION
0
DATE
2012/4/9
REVISED
PAGE NO.
SUMMARY
First issue
Winstar Display Co., LTD MODLE NO
華凌光電股份有限公司
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WH2004A-TMI-JT pdf
(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.
(8) Winstar have the right to change the passive components, including R3,R6 & backlight adjust
resistors. (Resistors,capacitors and other passive components will have different appearance and
color caused by the different supplier.)
(9)Winstar have the right to change the PCB Rev. (In order to satisfy the supplying stability,
management optimization and the best product performance...etc, under the premise of not affecting
the electrical characteristics and external dimensions, Winstar have the right to modify the version.)
3.General Specification
Item
Number of Characters
Module dimension
View area
Active area
Dot size
Dot pitch
Character size
Character pitch
LCD type
Duty
View direction
Backlight Type
Dimension
Unit
20 characters x 4Lines
98.0 x 60.0 x 13.6(MAX)
mm
77.0 x 25.2
mm
70.4 x 20.8
mm
0.55 x 0.55
mm
0.60 x 0.60
mm
2.95 x 4.75
mm
3.55 x 5.35
mm
STN Negative, Blue Transmissive,
(In LCD production, It will occur slightly color difference. We
can only guarantee the same color in the same batch.)
1/16
6 o’clock
LED White
4.Absolute Maximum Ratings
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WH2004A-TMI-JT arduino
9.Function Description
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
and positions on the liquid crystal display.
High bits
Low bits
AC
(hexadecimal)
AC6 AC5 AC4 AC3 AC2 AC1 AC0
Example: DDRAM addresses 4E
1001110
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