26

EM78911

EM78911

EM78911

EM78911

8

88

8-

--

-bit micro

bit micro

bit micro

bit micro-

--

-controller

controller

controller

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:

Fig.17 Lcd wave 1/4 bias

Vdd

V1

V2

V3

VLCD

frame

com0

com1

com2

seg

seg

light

dark

Vdd

V1

V2

V3

VLCD

Vdd

V1

V2

V3

VLCD

Vdd

V1

V2

V3

VLCD

Vdd

V1

V2

V3

VLCD