PIC24FJ128GA310 datasheet(273/406 Pages) MICROCHIP

273 / 406 page

 2010-2011 Microchip Technology Inc.

DS39996F-page 273

PIC24FJ128GA310 FAMILY

bit 2-0

LRLAT<2:0>

: LCD Reference Ladder A Time Interval Control bits

Sets the number of 32 clock counts when the A Time Interval Power mode is active.

For Type-A Waveforms (WFT = 0):

111

= Internal LCD reference ladder is in A Power mode for 7 clocks and B Power mode for 9 clocks

110

= Internal LCD reference ladder is in A Power mode for 6 clocks and B Power mode for 10 clocks

101

= Internal LCD reference ladder is in A Power mode for 5 clocks and B Power mode for 11 clocks

100

= Internal LCD reference ladder is in A Power mode for 4 clocks and B Power mode for 12 clocks

011

= Internal LCD reference ladder is in A Power mode for 3 clocks and B Power mode for 13 clocks

010

= Internal LCD reference ladder is in A Power mode for 2 clocks and B Power mode for 14 clocks

001

= Internal LCD reference ladder is in A Power mode for 1 clock and B Power mode for 15 clocks

000

= Internal LCD reference ladder is always in B Power mode

For Type-B Waveforms (WFT = 1):

111

= Internal LCD reference ladder is in A Power mode for 7 clocks and B Power mode for 25 clocks

110

= Internal LCD reference ladder is in A Power mode for 6 clocks and B Power mode for 26 clocks

101

= Internal LCD reference ladder is in A Power mode for 5 clocks and B Power mode for 27 clocks

100

= Internal LCD reference ladder is in A Power mode for 4 clocks and B Power mode for 28 clocks

011

= Internal LCD reference ladder is in A Power mode for 3 clocks and B Power mode for 29 clocks

010

= Internal LCD reference ladder is in A Power mode for 2 clocks and B Power mode for 30 clocks

001

= Internal LCD reference ladder is in A Power mode for 1 clock and B Power mode for 31 clocks

000

= Internal LCD reference ladder is always in B Power mode

LCDREF: LCD REFERENCE LADDER CONTROL REGISTER (CONTINUED)

Note 1:

When using the external resistor ladder biasing, the LCDBIASx pins should be made analog and the

respective TRIS bits should be set as inputs.

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