Texas Instruments MSP430x4xx - Manual (Page 337)

LCD Controller Operation
18-6 LCD Controller
18.2.6 Static Mode
In static mode, each MSP430 segment pin drives one LCD segment and one
common line, COM0, is used. Figure 18−3 shows some example static
waveforms.
Figure 18−3. Example Static Waveforms
f
frame
COM0
SP1
SP2
Resulting Voltage for
Segment a (COM0−SP1)
Segment Is On.
COM0
SP1
SP6
SP2
SP7
SP3
SP8
SP4
SP5
V1
V5
V1
V5
V1
V5
V1
0 V
V1
0 V
SP = Segment Pin
Resulting Voltage for
Segment b (COM0−SP2)
Segment Is Off.
a
b