EM78R911 View Datasheet(PDF) - ELAN Microelectronics

Part Name

Description

Manufacturer

EM78R911

8-bit micro-controller

ELAN Microelectronics 

EM78911

8-bit micro-controller

* SEG signal: The 60 segment signal pins are connected to the corresponding display RAM address 00h to 3Bh. The

high byte and the low byte bit7 down to bit0 are correlated to COM15 to COM0 respectively .

When a bit of display RAM is 1, a select signal is sent to the corresponding segment pin, and when the bit is 0 , a non-

select signal is sent to the corresponding segment pin.

*COM, SEG and Select/Non-select signal is shown as following:

frame

com0

com1

com2

seg

seg

dark

light

Vdd

V1

V2

V3

VLCD

Vdd

V1

V2

V3

VLCD

Vdd

V1

V2

V3

VLCD

Vdd

V1

V2

V3

VLCD

Vdd

V1

V2

V3

VLCD

Fig.17 Lcd wave 1/4 bias

26

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