Display ON/OFF

This instruction selects whether the display and cursor are on or off and selects whether or not the character at the cur-

rent cursor position blinks. The DDRAM, CGRAM, and cursor position are not affected by this instruction.

Note:

A character with all pixels on will alternate with the character displayed at the current cursor position at a 1Hz

rate with a 50% duty cycle.

When resetting

Cursor or Display Shift

This instruction shifts the display and/or moves the cursor to the left or right, without reading or writing to the DDRAM.

²S/C² bit selects movement of the cursor or movement of both cursor and display.

²R/L² bit selects whether moving the direction to the left or right of the display and/or cursor.

Cursor or Display Shift

S/C

R/L

Cursor Position

Information on the Display

0

0

Decrements by one (left)

No change

0

1

Increments by one (right)

No change

1

0

Decrements by one (left)

Shifts on character position to the left

1

1

Increments by one (right)

Shifts on character position to the right

Function Set

This instruction sets the width of the data bus for the parallel interface modes, the number of display lines, and the lumi-

nance level (brightness) of the VFD. DDRAM, CGRAM, and cursor position are not affected by this instruction.

HT16514

Rev. 1.00

32

October 4, 2006