Microchip Technology IC PIC MCU PIC16F1937-I/PT TQFP-44 MCP PIC16F1937-I/PT Data Sheet
Product codes
PIC16F1937-I/PT
PIC16(L)F1934/6
/7
DS4
1364E-page
338
P
reli
m
m
inary
2008-20
11 M
ic
rochip
T
e
chnology
In
c.
FIGURE 27-5:
LCD INTERNAL REFERENCE LADDER POWER MODE SWITCHING DIAGRAM – TYPE A WAVEFORM (1/2 MUX, 1/2 BIAS DRIVE)
Single Segment Time
‘H00 ‘H01 ‘H02 ‘H03 ‘H04 ‘H05 ‘H06 ‘H07
‘H0F
Power Mode A
Power Mode B
LRLAT<2:0> = 011
32 kHz Clock
Ladder Power
Segment Clock
Segment Data
Power Mode
COM0-SEG0
Control
V
1
V
2
V
0
-V
2
-V
1
Single Segment Time
‘H00 ‘H01 ‘H02 ‘H03 ‘H04 ‘H05 ‘H06 ‘H07
‘H0F
Power Mode A
Power Mode B
‘H0E
‘H0E
LRLAT<2:0> = 011