Indirect control mode control word 2

The following table shows the function of indirect control mode, control word 2:

Indirect control mode control word 2

High byte

Low byte

Description

0x00

0x00

This command is ignored.

0x01 – 0xFA

0x00 – 0xFF

High byte:

Position of the character in the display memory
(see chapter "Character position depending on character code")

Low byte:

ASCII or UNICODE character code

0xFB

0x00

Delete the text from the display memory and from the display.

0xFC

0x00

Output the text in the display memory on the display.

0xFD

0x00

Transmission format 2 ASCII characters:The transmission format can be changed within a text if transmission has been acknowledged via status word [1].

  • 1 ASCII character via control word 2
  • 1 ASCII character via control word 3

0xFD

0x01

Transmission format 1 UNICODE character:1)

  • ½ UNICODE character via control word 2
  • ½ UNICODE character via control word 3

0xFE

0x00

Transmission format 1 ASCII character:1)

  • 1 ASCII character via control word 2
  • No transmission via control word 3

0xFE

0x01

Transmission format ½ UNICODE character1)

  • ½ UNICODE character via control word 2
  • No transmission via control word 3

0xFF

0x00-0xFF

Reserved

Not all UNICODE characters can be displayed.