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PIC16(L)F19197 LCD Bias Generation and Contrast Control Using the Internal LCD Charge Pump TB3205
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Introduction
1
LCD Charge Pump Overview
2
Configuration of the LCD Charge Pump
2.1
LCD Charge Pump Voltage Range Selection
2.2
LCD Charge Pump Low-Power (Low-Current) Mode
2.3
LCD Charge Pump Watchdog Timer
3
Bias Generation and Contrast Control Using the LCD Charge Pump
3.1
Charge Pump Only Mode (LCDVSRC<3:0> =
0110
)
3.2
Charge Pump with Internal Resistor Ladder (LCDVSRC<3:0> =
0111
)
3.3
Charge Pump with External Resistor Ladder (LCDVSRC<3:0> =
1001
)
4
LCD Module Configuration Example
4.1
LCD Charge Pump VLCD3 vs. V
DD
4.2
GUID-D1F8B97A-7749-4A1C-8B3C-45830917D8C5-high.pdf
5
Conclusion
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