Lcd Display Example (1/2 Duty) - Panasonic MN101L Series User Manual

17.4.3

LCD Display Example (1/2 duty)

1/2 duty
Segment Latch
...........
0x03EBA 0x03E97 0x03E96 0x03E95 0x03E94
0 0 0
0 0 0
1 1 1
1 0 1
...........
SEG42 SEG7 SEG6 SEG5
"A" electrode
"B" electrode
: ON
: OFF LCDPANEL
COM=S COM=N
SEG=S SEG=S
LCD clock
Data
"1"
V
LC1
COM
V = V
LC2 LC3
V
SS
V
LC1
SEG V = V
LC2 LC3
V
SS
V
LCD
1/2V
LCD
COM-SEG
0
-1/2V
LCD
-V
LCD
ON OFF
S: selected voltage N: non-selected voltage V
0x03E93 0x03E92 0x03E91 0x03E90
bit3
COM3
0 0 0 0 0
bit2
COM2
0 0 0 0 0
bit1 COM1
0 1 1 1 0
bit0 COM0
0 0 0 1 1
SEG4 SEG3 SEG2 SEG1 SEG0
LCD ON
LCD OFF
COM=S COM=N
SEG=N SEG=N
Undefined
"0" Undefined
OFF OFF OFF
: LCD driving voltage
LCD
open
open
LCD Display Examples
Chapter 17
LCD
XVII - 29