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PIC16F1946 Datasheet, PDF (341/440 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology
FIGURE 26-6: LCD INTERNAL REFERENCE LADDER POWER MODE SWITCHING DIAGRAM – TYPE B WAVEFORM (1/2 MUX, 1/2 BIAS DRIVE)
Single Segment Time
Single Segment Time
Single Segment Time
Single Segment Time
32 kHz Clock
Ladder Power
Control
Segment Clock
‘H00 ‘H01 ‘H02 ‘H03
‘H0E ‘H0F ‘H10 ‘H11 ‘H12 ‘H13
‘H1E ‘H1F ‘H00 ‘H01 ‘H02 ‘H03
‘H0E ‘H0F ‘H10 ‘H11 ‘H12 ‘H13
‘H1E ‘H1F
Segment Data
Power Mode
Power Mode A Power Mode B
Power Mode A Power Mode B
Power Mode A Power Mode B
Power Mode A Power Mode B
LRLAT<2:0> = 011
LRLAT<2:0> = 011
LRLAT<2:0> = 011
LRLAT<2:0> = 011
V2
V1
COM0-SEG0
V0
-V1
-V2