Does the Vela IF820 EZ-Serial support flow control?

Yes, the Vela IF820 does support flow control but it is not enabled by default.

The default UART settings are

• 115200 baud
• 8 data bits
• no parity
• 1 stop bit
• no flow control

The UART settings can be changed using the system_set_uart_parameters command (stu)

The UART settings can be read using the system_get_uart_parameters command (gtu)