Fujitsu MB91460 SERIES FR60 User Manual page 949

5.4 1/4 Duty Cycle Output Waveform
In the 1/4 duty cycle output mode, COM0, COM1, COM2, and COM3 outputs are all used for LCD display.
• Example of 1/3 Bias Output Waveform
LCD cells with the maximum voltage difference between common and segment output are lit.
Table 5-3 Example of Data Memory Contents for Display
Segment
SEG 2n
output
SEG2n+1
output
COM3 output
0
0
C OM 0 o ut p ut
C OM 1 o ut p ut
C OM 2 o ut p ut
C OM 3 o ut p ut
S EG 2 n o ut pu t
S EG 2 n +1 o ut pu t
LC D ce ll co r r esp on din g to SE G 2 n , C OM 0 o u t p u t
L CD cell cor r e spo nd ing t o S E G 2 n , C O M 1 o u t p u t
LC D cell co r r esp on din g t o SE G 2 n , C OM 2 o u t p u t
LC D ce ll co r r esp on din g to SE G 2 n , C OM 3 o u t p u t
L C D ce ll co r r espo nd ing to S E G 2 n + 1 , C O M 0 o u t p u t
L CD cell cor r e spo nd ing t o S E G 2 n + 1 , CO M 1 o u t p u t
L C D ce ll cor r e spo nd ing t o S E G 2 n + 1 , CO M 2 o u t p u t
LC D ce ll co r r esp on din g to SE G 2 n + 1 , C O M 3 o u t p u t
Contents of data memory for display
COM2 output COM1 output
1
1
Chapter 47 LCD Controller
COM0 output
0 0
0 1
V3
V 2
V 1
V0
V 3
V 2
V 1
V0
V3
V 2
V 1
V0
V 3
V 2
V 1
V0
V3
V 2
V 1
V0
V 3
V 2
V 1
V 0
ON
OF F
ON
O FF
O N
OF F
ON
OF F
O N
O FF
ON
OF F
O N
O FF
ON
OF F
5.Operation
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