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ST8012 Datasheet(PDF) 22 Page - Sitronix Technology Co., Ltd.

Part # ST8012
Description  120 Output LCD Common/Segment driver IC
PDF  47 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST8012 Datasheet(HTML) 22 Page - Sitronix Technology Co., Ltd.

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ST8012
V1.6
22/47
2004/09/08
Table4
Use Settings
Com
/
Seg
D2
Voltage
booster
Voltage
regulator
Voltage
follower
External
voltage
input
Step-up
voltage
Only the internal power supply
is used
1
ON
ON
ON
VDD
Used
Only the voltage regulator
circuit and the voltage
follower circuit are used
Com
mode
/
Com/Seg
mode
0
OFF
ON
ON
VOUT, VDD
Open
Only the internal power supply
is used
1
ON
ON
ON
VDD
Used
Only the voltage regulator
circuit and the voltage
follower circuit are used
Seg
mode
0
OFF
ON
ON
VOUT, VDD
Open
Command interface unused mode (use the default value)
When command interface is unused. The CS,SCLK and SID signal can be fixed as the following mode
Table5
XCS
SCLK
SID
Booster
Regulator
Follower
H
X
X
Default register used (All Off)
L
H
H
OFF
ON
ON
L
L
H
ON
ON
ON
THE DEFAULT BIAS,CONTRAST CONTROL,Ra/Rb ratio and Boost Frequency is used when the above mode is
selected.
NOTE :If all of the Cs, SCLK and SID signals are set to low level. The default power control register will be used, the
power control of booster, regulator and follower will always be off.
PROGRAM NOTE: Do not toggle sclk or SID from low level while XCS signal is HIGHT.
Entry Standby mode: Entry standby must closed the AC circuit(BOOSTER) and /XDISPOFF also go to low
level.



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