UART TX
From SpecNext Wiki
| Number | PortNumber::$133B |
|---|---|
| Decimal | NumberDec:: |
| Short desc. | ShortDesc::Sends byte to serial port. If read, tells if data in RX buffer |
| Bit Mask | [[PortMask::%0001 0011 0011 1011 ??]] |
| Readable | Readable::Yes |
| Writable | Writable::Yes |
| Subsystem | Subsystem::UART |
Write to this port sends the byte to serial port (routed to WiFi module connector). Read from this port returns 0 if there are bytes to read in RX FIFO buffer, or 1 if no RX data.