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ST7571 Datasheet(PDF) 43 Page - Sitronix Technology Co., Ltd.

Part # ST7571
Description  4 Gray Scale Dot Matrix LCD Controller/Driver
PDF  76 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7571 Datasheet(HTML) 43 Page - Sitronix Technology Co., Ltd.

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ST7571
Ver 1.5a
43/76
2009/7/21
9.1.19 Set COM Scan Direction
This instruction selects the COM output scanning direction and determines the LCD driver output status.
A0
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
1
0
0
SHL
x
x
x
SHL = 0: normal direction (COM0 ~ COM127)
SHL = 1: reverse direction (COM127 ~ COM0)
9.1.20 Set SEG Scan Direction
This instruction changes the relationship between the DDRAM column address and the segment driver. The SEG scan
direction can be reversed by this instruction. This feature makes IC layout more flexible for LCD module assembly.
A0
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
0
1
0
0
0
0
ADC
ADC = 0: normal direction (SEG0 ~ SEG127)
ADC = 1: reverse direction (SEG127 ~ SEG0)
9.1.21 Oscillator ON Start
This instruction enables the built-in oscillator circuit.
A0
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
0
1
0
1
0
1
1
9.1.22 & 9.1.23 Power Save
ST7571 enters Power-Save mode and reduces the power consumption to the static power consumption. It returns to the
normal operation mode by the Release Power Save Mode instruction.
Set Power Save Mode
A0
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
0
1
0
1
0
0
P
P = 0: normal mode
P = 1: power-save mode (sleep mode)
Fig. 25
Internal Procedure of Power Save
Release Power Save Mode
A0
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
1
1
0
0
0
0
1



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