FUJITSU Semiconductor Controller MB89950/950A - Manual (Page 273)

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CHAPTER 12 LCD CONTROLLER/DRIVER
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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".