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ST7532 датащи(PDF) 30 Page - Sitronix Technology Co., Ltd.

номер детали ST7532
подробное описание детали  65K Color Dot Matrix LCD Controller/Driver
PDF  85 Pages
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производитель  SITRONIX [Sitronix Technology Co., Ltd.]
домашняя страница  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7532 датащи(HTML) 30 Page - Sitronix Technology Co., Ltd.

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ST7532
Ver 1.8
30/85
2006/9/18
8.9 Liquid Crystal drive Circuit
This driver circuit is configured by 160-channel common drivers and 256-channel segment drivers. This LCD panel driver
voltage depends on the combination of display data and M signal.
SEG 0
1
2
3
4
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
V0
V1
V2
V3
V4
VSS
V0
V1
V2
V3
V4
VSS
V0
V1
V2
V3
V4
VSS
COM0
COM1
COM2
SEG0
SEG1
V0
V1
V2
V3
V4
VSS
V0
V1
V2
V3
V4
VSS
8.10 Liquid Crystal Driver Power Circuit
The power supply circuit generates the voltage levels required to drive liquid crystal driver with low power consumption and
the fewest components. There are voltage converter circuits, voltage regulator circuits, and voltage follower circuits. They
are controlled by power control instruction. For details, refers to "Instruction Description". Table 8.10.1 shows the
referenced combinations in using Power Supply circuits.
Table 8.10.1 Recommended Power Supply Combinations
User setup
Power
control
(VB VR VF)
V/B
circuits
V/R
circuits
V/F
circuits
VLCD
V0
V1 to V4
Only the internal power
supply circuits are used
1 1 1
ON
ON
ON
Open
Open
Open
Only the voltage
regulator circuits and
voltage follower circuits
are used
0 1 1
OFF
ON
ON
External
input
Open
Open
Only the voltage follower
circuits are used
0 0 1
OFF
OFF
ON
Open
External
input
Open
Only the external power
supply circuits are used
0 0 0
OFF
OFF
OFF
Open
External
input
External
input



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