Specifications

UC864-E/G/WD/WDU AT Commands Reference Guide

80304ST10041a Rev. 7 - 2010-10-14

3.5.6.3. Serial Port Control

3.5.6.3.1. Select Flow Control Specified By Type - +FLO

+FLO - Select Flow Control Specified By Type

AT+FLO=<type> Set command selects the flow control behaviour of the serial port in both

directions: from DTE to DTA and from DTA to DTE.

Parameter:

<type> - flow control option for the data on the serial port

0 - flow control None

1 - flow control Software (XON-XOFF)

2 - flow control Hardware (CTS-RTS) – (factory default)

Note: This command is a shortcut of the +IFC

command.

Note: +FLO’s settings are functionally a subset of &K

’s ones.

AT+FLO? Read command returns the current value of parameter <type>

AT+FLO=? Test command returns all supported values of the parameter <type>.

Note: test command result is without command echo

Reference ITU T.31 and TIA/EIA-578-A specifications

3.5.6.3.2. Select Serial Port Rate - +FPR

+FPR - Select Serial Port Rate

AT+FPR=<rate> Set command selects the serial port speed in both directions, from DTE to

DTA and from DTA to DTE.

Parameter:

<rate> - serial port speed selection

1 – 2400bps

2 – 4800bps

4 – 9600bps

8 -19200bps

10 -38400bps

18 – 57600bps

AT+FPR? Read command returns the current value of parameter <rate>

NOTE: If unlisted <rate> baudrate has been set, it will return 255.

AT+FPR=? Test command returns all supported values of the parameters <rate>.