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| Version | Issue Date | Notes | |
| 1.0.0 | Oct 2020 | New documentation layout | |
Peripheral UARTEdit
- One of the five UARTs (UART1) supports 8-wire while others four supports 4-wire. This is due to the SoC IOMUX limitation, since all UART IPs are
identical.
DescriptionEdit
The UART interface available on AXEL Lite is based on i.MX6 SoC.
The UART ports support the following standards and features:
- One of the five UARTs (UART1) supports 8-wire while others four supports 4-wire
- High-speed TIA/EIA-232-F compatible, up to 4.0 Mbit/s
- Serial IR interface low-speed, IrDA-compatible (up to 115.2 Kbit/s)
- 9-bit or Multidrop mode (RS-485) support (automatic slave address detection)
- 7 or 8 data bits for RS-232 characters, or 9 bit RS-485 format
- 1 or 2 stop bits
- Programmable parity (even, odd, and no parity)
- Hardware flow control support for request to send (RTS_B) and clear to send (CTS_B) signals
- RS-485 driver direction control via CTS_B signal
- Auto baud rate detection (up to 115.2 Kbit/s)
- Two independent, 32-entry FIFOs for transmit and receive
Pin mappingEdit
The Pin mapping is described in the Pinout table section