FUJITSU MB91460 SERIES FR60 - Manual (Page 949)

933
Chapter 47 LCD Controller
5.Operation
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
Contents of data memory for display
COM3 output COM2 output COM1 output COM0 output
SEG 2n
output
0 1 0 0
SEG2n+1
output
0 1 0 1
C O M 3 o u t p u t
C O M 0 o u t p u t
C O M 1 o u t p u t
C O M 2 o u t p u t
V 0
V 1
V 2
V 3
V 0
V 1
V 2
V 3
V 0
V 1
V 2
V 3
V 0
V 1
V 2
V 3
S E G 2 n o u t p u t
V 0
V 1
V 2
V 3
S E G 2 n + 1 o u t p u t
V 0
V 1
V 2
V 3
L C D c e l l c o r r e s p o n d i n g t o S E G 2 n , C O M 0 o u t p u t
L C D c e l l c o r r e s p o n d i n g t o S E G 2 n , C O M 1 o u t p u t
L C D c e l l c o r r e s p o n d i n g t o S E G 2 n , C O M 2 o u t p u t
L C D c e l l c o r r e s p o n d i n g t o S E G 2 n , C O M 3 o u t p u t
L C D c e l l c o r r e s p o n d i n g t o S E G 2 n + 1 , C O M 0 o u t p u t
L C D c e l l c o r r e s p o n d i n g t o S E G 2 n + 1 , C O M 1 o u t p u t
L C D c e l l c o r r e s p o n d i n g t o S E G 2 n + 1 , C O M 2 o u t p u t
L C D c e l l c o r r e s p o n d i n g t o S E G 2 n + 1 , C O M 3 o u t p u t
O N
O F F
O N
O F F
O N
O F F
O N
O F F
O N
O F F
O N
O F F
O N
O F F
O N
O F F