ST7577 Sitronix Technology, ST7577 Datasheet - Page 20
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ST7577
Manufacturer Part Number
ST7577
Description
Dot Matrix LCD Controller/Driver
Manufacturer
Sitronix Technology
Datasheet
1.ST7577.pdf
(48 pages)
- Current page: 20 of 48
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ST7577
PARTIAL DISPLAY (SOFTWARE)
The Partial Display function is controlled by software instruction. This feature is only available under 1/39 duty mode
(DTY=”L”). Although only 26 common outputs are used, the duty of Partial Display is not changed (1/39 Duty). Those
unused commons output the non-selected waveform.
There are 3 options for partial display operation: Upper, Middle and Lower (refer to Figure 13~Figure 14).
Figure 15 Partial Display OFF ( DA1=0,DA0=0)
Figure 16 Partial Display: Upper Mode ( DA1=0, DA0=1)
Ver 1.0a
20/48
2008/02/14
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