Difference between revisions of "Kitchenlight"
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- Clock: "100 ns One-Shot" (Page 3) | - Clock: "100 ns One-Shot" (Page 3) | ||
- On CL_in CL_out is triggered internally for 100ns (Page 6) | - On CL_in CL_out is triggered internally for 100ns (Page 6) | ||
| − | - | + | - |
| + | tsu = 20 ns + n × 5 ns | ||
| + | >> = 20 ns + (40 * 8) * 5 ns | ||
| + | >> = ca 2 µs | ||
| + | Setup delay min | ||
== Brightness Correction == | == Brightness Correction == | ||
Revision as of 20:18, 20 October 2013
Contents
Kitchenlight
The 40 x 8 Pixels (?), 10bit RGB Color Display above the kitchen.
ShiftBrite 2.0 Documentation
Website: http://docs.macetech.com/doku.php/shiftbrite_2.0
Datasheet A6281 Driver: http://www.allegromicro.com/en/Products/Part_Numbers/6281/6281.pdf
- Serial port operates at up to 5 / 6 MHz - Clock: "100 ns One-Shot" (Page 3) - On CL_in CL_out is triggered internally for 100ns (Page 6) -
tsu = 20 ns + n × 5 ns >> = 20 ns + (40 * 8) * 5 ns >> = ca 2 µs Setup delay min
Brightness Correction
Iout = Iout(max) × (Scale / 2 + 36.5) / 100
| 0 < Scale < 127 || default: Scale = 0
>> Default: LEDs shine with 36.5% brightness
SPI Info & STM32F4 Code
Wiki SPI [[1]]
U23 Github https://github.com/cccc/U23_2013_examples/tree/spi_example/bare_metal/04_spi
