LCD_C Registers
961
SLAU367P – October 2012 – Revised April 2020
Copyright © 2012–2020, Texas Instruments Incorporated
LCD_C Controller
Table 36-12. LCDCVCTL Register Description (continued)
Bit
Field
Type
Reset
Description
3
LCDCPEN
RW
0h
Charge pump enable
0b = Charge pump disabled
1b = Charge pump enabled when V
LCD
is generated internally (VLCDEXT = 0)
and VLCDx > 0 or VLCDREFx > 0
2-1
VLCDREFx
RW
0h
Charge pump reference select. If LCDEXTBIAS = 1 or LCDREXT = 1, settings
01, 10, and 11 are not supported; the internal reference voltage is used instead.
NOTE: Should be changed only while LCDON = 0.
00b = Internal reference voltage
01b = External reference voltage
10b = Internal reference voltage switched to external pin LCDREF/R13
11b = Reserved (defaults to external reference voltage)
0
LCD2B
RW
0h
Bias select. LCD2B is ignored in static mode or mux modes
≥
5.
NOTE: Should be changed only while LCDON = 0.
0b = 1/3 bias
1b = 1/2 bias