ST7066

V1.2

2000/6/13

15

!

!

!

!"

"

"

" Display ON/OFF

Control display/cursor/blink ON/OFF 1 bit register.

D : Display ON/OFF control bit

When D = "High", entire display is turned on.

When D = "Low", display is turned off, but display data is remained in DDRAM.

C : Cursor ON/OFF control bit

When C = "High", cursor is turned on.

When C = "Low", cursor is disappeared in current display, but I/D register remains its data.

B : Cursor Blink ON/OFF control bit

When B = "High", cursor blink is on, that performs alternate between all the high data and display character at

the cursor position.

When B = "Low", blink is off.

!

!

!

!"

"

"

" Cursor or Display Shift

Without writing or reading of display data, shift right/left cursor position or display. This instruction is used to

correct or search display data. During 2-line mode display, cursor moves to the 2nd line after 40th digit of 1st line.

Note that display shift is performed simultaneously in all the line. When displayed data is shifted repeatedly, each

line shifted individually. When display shift is performed, the contents of address counter are not changed.

S/C

R/L

Description

AC Value

L

L

Shift cursor to the left

AC=AC-1

L

H

Shift cursor to the right

AC=AC+1

H

L

Shift display to the left. Cursor follows the display shift

AC=AC

H

H

Shift display to the right. Cursor follows the display shift

AC=AC

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!

!

!"

"

"

" Function Set

Control display/cursor/blink ON/OFF 1 bit register.

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

0

1

DL

1

S/C

N

D

R/L

F

Code

Code

Code

RS

RS

RS

RW

RW

RW

DB7

DB7

DB7

DB6

DB6

DB6

DB5

DB5

DB5

DB4

DB4

DB4

DB1

DB1

DB1

DB2

DB2

DB2

DB3

DB3

DB3

C

x

x

B

x

x

DB0

DB0

DB0