Matrix-orbital LCD/VFD Legacy Instrukcja Użytkownika Pobierz pdf (Strona 7)

Cursor Blink Off

ASCII 'T', Hex 54, Decimal 84

Syntax 0xFE 0x54

To turn off the blinking cursor at the current position send a command prefix followed by the character 'T'.

Create Custom Character

ASCII 'N', Hex 4E, Decimal 78

Syntax 0xFE 0x4E<character between 0x00 and 0x07><8 bytes>

This command creates a custom character. For the LCD2021 the user can have up to eight custom characters. To execute

this command, send a command prefix followed by the character 'N'. The display will now await the number which identi-

fies the custom character. This number must be between 0x00 and 0x07. When the module determines what character it's

working on, then the user must send 8 bytes. This defines the display character. See Diagram A below for and explanation

of the display character structure.

MSB LSB

* *

1 2 3 4 5 Data Byte 1

* *

6 7 8 9 10 Data Byte 2

* *

12 13

14 15 Data Byte 3

* *

17 18

19 20 Data Byte 4

* *

22 23

24 25 Data Byte 5

* *

27 28

29 30 Data Byte 6

* *

32 33

34 35 Data Byte 7

* *

37 38

39 40 Data Byte 8

Diagram A

Pixel Layout of Display Characters

General Purpose Output On

ASCII 'V', Hex 56, Decimal 86

Syntax 0xFE 0x56<hex number corresponding to output>

To turn on the general purpose output, send a command prefix followed by the character 'V'. Please note that the output is a

current sink. (Max 20mA)

General Purpose Output Off

ASCII 'W', Hex 57, Decimal 87

Syntax 0xFE 0x57<hex number corresponding to output>

To turn off the general purpose output, send a command prefix followed by the character 'W'.

1 2 3 4 5

6 7 8 9 10

11 12 13 14 15

16 17 18 19 20

21 22 23 24 25

26 27 28 29 30

31 32 33 34 35

36 37 38 39 40

Cursor Line

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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