W741L250 Datasheet, PDF (28/86 Pages) Winbond – 4-BIT MICROCONTROLLER

1/3 Bias 1/3 Duty Lighting System (Example)
Normal Operating Mode
COM0
COM1
COM2
LCD driver
outputs for all
seg. on COM0,1,2
sides being unlit
LCD driver
outputs for only
seg. on COM0
side being lit
LCD driver
outputs for only
seg. on COM1
side being lit
LCD driver
outputs for seg.
on COM0,2
sides being lit
LCD driver
outputs for seg.
on COM1,2
sides being lit
LCD driver
outputs for seg.
on COM0,1,2
sides being lit
W741L250
VDD3
VDD2
VDD1
VSS
VDD3
VDD2
VDD1
VSS
VDD3
VDD2
VDD1
VSS
VDD3
VDD2
VDD1
VSS
VDD3
VDD2
VDD1
VSS
VDD3
VDD2
VDD1
VSS
VDD3
VDD2
VDD1
VSS
VDD3
VDD2
VDD1
VSS
VDD3
VDD2
VDD1
VSS
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