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ST7577 Datasheet(PDF) 32 Page - Sitronix Technology Co., Ltd.

Part # ST7577
Description  132 x 39 Dot Matrix LCD Controller/Driver
PDF  48 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7577 Datasheet(HTML) 32 Page - Sitronix Technology Co., Ltd.

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ST7577
Ver 1.0a
32/48
2008/02/14
Power Saving flow with built-in power circuits
ENTERING THE POWER SAVE MODE
The power save mode is achieved by setting PD bit to be
“1”. No specified instruction flow required.
EXITING THE POWER SAVE MODE
Figure 21 Exiting Power Save Mode
INTERNAL SEQUENCE of EXIT POWER SAVE MODE
After receiving the
“PD” is “L”, the internal circuits (Power and COM/SEG) will starts the following procedure.
Data
/WR
PD=
“L”
Booster
Regulator
Follower
COM,
SEG
t
FON
t
DON
t
BON
t
RON
Vss
Max: 100ms
Max: 100ms
Max: 100ms
Min: 160ms
Max: 240ms
Note:
1.
The power stable time is determined by LCD panel loading.
2.
The power stable time in this figure is base on: LCD Panel Size = 1.4
” with C1=1uF.



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