ST7522

Ver 1.0c

23/45

2002/07/10

Display Normal/Reverse

A0

RD

―

WR

―

D7

D6

D5

D4

D3

D2

D1

D0

0

1

0

1

0

1

0

0

1

1

R

This command can reverse the lit and unlit display without overwriting the contents of the display data RAM(with ICON). When

this is done. the display data RAM contents are maintained

.

R=1: Reverse

R=0: Normal(default)

Display All Points ON/OFF

A0

RD

―

WR

―

D7

D6

D5

D4

D3

D2

D1

D0

0

1

0

1

0

1

0

0

1

0

L

This command makes it possible to force all display points ON regardless of the content of the display data RAM(with ICON).

The contents of the display data RAM are maintained when this is done. This command takes priority over the display

normal/reverse command.

L=1: All display points ON.

L=0: Normal(default)

Compound command priority follow below table

Display all point on

Display reverse

Display on

Display on

All point black

Display reverse

Display on

Display reverse

All point white

Display reverse

Display reverse

Display all point on

Display all point on

All point white

All point black