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零件编号 | LG128643-FMDWH6V | ||
描述 | LCD Module | ||
制造商 | ETC | ||
LOGO | |||
1 Page
SPECIFICATION
Model: LG128643-FMDWH6V
Free Datasheet http://www.datasheet4u.com/
LG128643-FMDWH6V
-8-
The Conditions of power supply at initial power up are shown below.
Item
Symbol
Min.
Typ.
Max.
Unit
Reset time
tRS
1.0
--
--
s
Rise time
tR
--
-- 200 ns
V DD
/RST
4.5V
t RS tR
0.7VDD
0.3V DD
4.5 Busy Flag
Busy flag indicates the system is now internally operating or not. When busy flag is “H”,
the system is in internal operation. When busy flag is “L”, the system can accept data or
instruction. Busy flag is read out on DB7 by the Status Read instruction.
RS
R/W
E
Address
Output
Register
DB0~DB7
N N+1
N+2
Data at address N Data at address N+1
Busy Write
Busy Read data Busy Read data Busy Read data
check address N check (dumy) check address N check address N+1
Busy Check
4.6 Display On/Off Flip-Flop
The display on/off flip-flop makes on/off the liquid crystal display. When flip-flop is reset
(logical low), selective voltage or non selective voltage appears on segment output
terminals. When flip-flop is set (logical high), non selective voltage appears on segment
output terminals regardless of display RAM data.
The display on/off flip-flop can change status by instruction. The display data at all
segments disappear while /RST is low. The status of the flip-flop is output on DB5 by
Status Read instruction.
Free Datasheet http://www.datasheet4u.com/
Note3: Definition of Contrast
K
B1
Brightness
B2
Driving Voltage
Brightness of non-selected dot (B1)
Contrast=
Brightness of selected dot (B2)
LG128643-FMDWH6V
- 16 -
Note4: Definition of Response Time
Non-selective
state
Selective state
Non-selective
state
tr tf Time
Free Datasheet http://www.datasheet4u.com/
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页数 | 20 页 | ||
下载 | [ LG128643-FMDWH6V.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
LG128643-FMDWH6V | LCD Module | ETC |
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