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- PortA:
- Ixxxxxxx - USB connection or charging detection (=1)
- x?xxxxxx -
- xxIxxxxx - Scrollwheel position bit 1
- xxxIxxxx - Scrollwheel position bit 0 (00->10->11->01 - clockwise, 00->01->11->10 - counter clockwise)
- xxxxIxxx - USB connection or charging detection (=1)
- xxxxx?xx -
- xxxxxxOx - vertical buttonlight on/off without scrollwheel (on=1)
- xxxxxxxO - horizontal buttonlight on/off without scrollwheel (on=1)
- PortB:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxxOxx - LCD Reset Line
- xxxxxx?x -
- xxxxxxx? -
- PortC:
- ?xxxxxxx -
- xIxxxxxx - SD Card present (=0)
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortD:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxxO - backlight on/off (on=1)
- PortE:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortF:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxxOxx - ??? something for LCD
- xxxxxx?x -
- xxxxxxx? -
- PortG:
- ?xxxxxxx -
- x?xxxxxx -
- xxIxxxxx - SD Card present (=0)
- xxx?xxxx -
- xxxxIxxx - LCD Type (when 1 then LCD_Type=0)
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortH:
- Oxxxxxxx - LCD CS Line for SPI
- xOxxxxxx - LCD Clock Line for SPI
- xxOxxxxx - Something for LCD SPI
- xxxOxxxx - LCD Data Line for SPI
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxxO - ??? something for LCD
- PortI:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortJ:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxxOx - (lcd framebuffer frozen if port_enable=1)
- xxxxxxx? -
- PortK:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortL:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortM:
- Ixxxxxxx - Left Button (pressed if =0)
- xIxxxxxx - Select Button (pressed if =0)
- xxIxxxxx - Right Button (pressed if =0)
- xxxIxxxx - Home Button (pressed if =0)
- xxxxIxxx - Down Button (pressed if =0)
- xxxxxIxx - Up Button (pressed if =0)
- xxxxxx?x -
- xxxxxxx? -
- PortN:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortO:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortP:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortQ:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortR:
- Oxxxxxxx - scrollwheel bottom led (when=0)
- xOxxxxxx - scrollwheel right led (when=0)
- xxOxxxxx - scrollwheel top led (when=0)
- xxxOxxxx - scrollwheel left led (when=0)
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortS:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxx?x -
- xxxxxxx? -
- PortT:
- ?xxxxxxx -
- x?xxxxxx -
- xx?xxxxx -
- xxx?xxxx -
- xxxx?xxx -
- xxxxx?xx -
- xxxxxxIx - HOLD switch (switched = 1)
- xxxxxxxI - POWER switch (switched = 1)
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