Datasheet

PIC16(L)F1946/47
DS41414D-page 340  2010-2012 Microchip Technology Inc.
REGISTER 27-4: LCDCST: LCD CONTRAST CONTROL REGISTER
U-0 U-0 U-0 U-0 U-0 R/W-0/0 R/W-0/0 R/W-0/0
— — — — — LCDCST<2:0>
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set ‘0’ = Bit is cleared C = Only clearable bit
bit 7-3
Unimplemented: Read as ‘0’
bit 2-0
LCDCST<2:0>: LCD Contrast Control bits
Selects the resistance of the LCD contrast control resistor ladder
Bit Value = Resistor ladder
000 = Minimum resistance (maximum contrast). Resistor ladder is shorted.
001 = Resistor ladder is at 1/7th of maximum resistance
010 = Resistor ladder is at 2/7th of maximum resistance
011 = Resistor ladder is at 3/7th of maximum resistance
100 = Resistor ladder is at 4/7th of maximum resistance
101 = Resistor ladder is at 5/7th of maximum resistance
110 = Resistor ladder is at 6/7th of maximum resistance
111 = Resistor ladder is at maximum resistance (minimum contrast).