20ll04da1 Pacer Components, 20ll04da1 Datasheet - Page 23

• Manufacturer Part Number: 20ll04da1
• Description: Vacuum Fluorescent Display Module
• Manufacturer: Pacer Components

2*20 VF Display Module
8.15 Define User-defined Characters
8.16 Delete User-defined Characters
ASCII Format
ASCII Format
Hex. Format
Hex. Format
Dec. Format
Dec. Format
Description
Description
Example
Defines user-defined characters.
When only one character is defined, use n = m.
code table.
right side of the user-defined characters are padded with spaces.
the horizontal direction from the left side.
word length, the most significant bit is ignored.
"<ESC> @" is executed, or the power is turned off.
selected using the "<ESC> %" command, the user-defined characters are not displayed.
To define the character "€" at character code 20h (32) :
specified as seven bits, the defined character definition is executed as shown below:
processed as "1", the user-defined character definition is executed as shown below:
transmitted after the pattern is canceled by this command, the internal character is displayed.
If the specified character code is not defined, this command is ignored.
This command has no effect on characters already displayed.
<ESC> & s n m a (p
27, 38, s n m a (p
[1Bh] [26h] s n m [a(p
8 dots
* s denotes the number of bytes in the vertical direction. (s=1)
* n specifies the beginning character code for the definition, and m specifies the final character code.
* 224 characters can be defined between character codes 20h (32) and FFh (255) in the character
* a denotes the number of dots in the horizontal direction. When a < 5, the remaining dots on the
* p1 ... pa is the dot data to be defined for the characters. This indicates the dot pattern for a dot in
* The number of data items to be defined is s * a. When 8 bits are specified for the communication
* Once the user-defined characters are defined, they remain effective until they are redefined,
* When only the user-defined characters are defined and the user-defined character set is not
1) When the most significant bit is processed as "0", or when the communication word length is
2) When the communication word length is specified as eight bits and the most significant bit is
<ESC> ? n
27, 63, n
[1Bh] [3Fh] n
Cancels user-defined characters. (20h<n<FFh)
This command cancels the pattern defined for the character code specified by n. If specified code is
7 dots
[1Bh] [26h] [01h] ; define user-defined character
[20h] [20h] [05h] ; code from 20h to 20h, each character will be composed by 5 bytes
[12h] [2Ah] [7Fh] [2Ah] [24h] ; left side of above define example (MSB="0")
[1Bh] [26h] [01h] ; define user-defined character
[20h] [20h] [05h] ; code from 20h to 20h, each character will be composed by 5 bytes
[92h] [AAh] [FFh] [AAh] [A4h] ; right side of above define example (MSB="1")
p1 p2 p3 p4 p5
5 dots
1
...p
1
......p
a
)]*(m-n+1), s=1, 32<n<m<255, 0<p1......pa<255
1
...p
a
a
)]*(m-n+1)
20LL04DA1 (Rev. 5.0)
)]*(m-n+1), s=01h, 20h<n<m<FFh, 00h<p
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b7 MSB
b6
b5
b4
b3
b2
b1
b0 LSB
0 0 0 0 0
0 0 1 1 0
0 1 0 0 1
1 1 1 0 0
0 1 0 0 0
1 1 1 0 0
0 1 0 0 1
0 0 1 1 0
or
1 1 1 1 1
0 0 1 1 0
0 1 0 0 1
1 1 1 0 0
0 1 0 0 0
1 1 1 0 0
0 1 0 0 1
0 0 1 1 0
1
......p
a
<FFh