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Characters
BrownMuffin edited this page Jan 3, 2021
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The M11BT222A has 5 15-segment displays to display characters. With scrolling text it will be possible to display a text.
Each character exists of a top and bottom part, the addresses of these displays are from left to right: 0x0C 0x0D, 0x09 0x0A, 0x06 0x07, 0x03 0x04, 0x00 0x01.
The order of the segment order is (T is top segment, B is bottom segment):
| T0 | T0 | T0 | T0 | T0 | T0 | T0 | T0 | T0 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| T5 | T1 | T2 | T3 | T4 | ||||||
| T5 | T1 | T2 | T3 | T4 | ||||||
| T5 | T1 | T2 | T3 | T4 | ||||||
| T5 | T1 | T2 | T3 | T4 | ||||||
| T5 | T1 | T2 | T3 | T4 | ||||||
| T5 | T1 | T2 | T3 | T4 | ||||||
| B0 | B0 | B0 | T7 | T6 | T6 | T6 | ||||
| B2 | B3 | B4 | B5 | B1 | ||||||
| B2 | B3 | B4 | B5 | B1 | ||||||
| B2 | B3 | B4 | B5 | B1 | ||||||
| B2 | B3 | B4 | B5 | B1 | ||||||
| B2 | B3 | B4 | B5 | B1 | ||||||
| B2 | B3 | B4 | B5 | B1 | ||||||
| B6 | B6 | B6 | B6 | B6 | B6 | B6 | B6 | B6 |
The character set is based on the ASCII table. The first 32 entries (control codes) of the ASCII table are skipped.
Most of the ASCII character from 32 to 127 are created, the ones that are not created will be empty.
The missing characters are: % & . [ ] { }. The DEL character is changed to a square with a cross in it.
The character set can be found here: Character set