FUJITSU Semiconductor Controller MB89950/950A User Manual
Page 273
259
CHAPTER 12 LCD CONTROLLER/DRIVER
●
8-segment LCD panel connections and display data (1/4 duty ratio drive mode)
Figure 12.4-7 Segment/common connections, data states and corresponding display
COM2
SEG
n
*
7
*
0
*
3
*
6
*
1
*
4
*
5
*
2
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
COM3
1
1
1
1
0
1
1
1
COM2
1
1
0
1
1
1
1
1
COM1
1
0
0
0
1
1
0
1
COM0
1
1
0
0
0
1
0
1
064
H
065
H
066
H
067
H
COM0
COM1
SEG
n+1
COM3
LCD Panel
Display RAM
Address
Segment No.
*0 to *7: Indicate corresponding display RAM bits.
Address
COM3
COM2
COM1
COM0
nH
bit3
*3
bit2
*2
bit1
*1
bit0
*0
SEGn
bit7
*7
bit6
*6
bit5
*5
bit4
*4
SEGn+1
0: OFF
1: ON
Address
COM3
COM2
COM1
COM0
064
H
1
1
0
1
SEG0
0
0
1
1
SEG1
LCD
Display
Bit States for Numerals "0" through "9"
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
1
1
0
1
1
1
1
1
1
1
0
0
1
0
0
0
1
1
1
1
0
1
1
0
1
1
1
1
1
1
0
0
1
1
1
0
1
0
0
1
0
1
1
1
1
1
0
1
0
1
1
1
1
1
1
1
1
1
0
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
Example) Using segments to represent "5".