Filter
Top Products
Synchronous Mode Operation 31
carrier and sends the data to the receiving DTE along with the
clock. There are three types of transmission synchronous clock
sources to choose from:
1. The internal clock is the one that suits most applications and is
the default; in this case, the clock signal is generated by the
sending modem.
2. The slave clock is used when in remote digital loopback mode.
3. The external clock is a signal generated by the sending DTE.
INTERNAL AT&X0 The modem provides the clock and
sends it to the DTE. Adaptive rate
can be used. (Default)
EXTERNAL AT&X1 The DTE provides the clock and
sends it to the modem. Must use
auto-retrain, cannot use adaptive rate.
SLAVE AT&X2 Recovered receiver clock serves as
transmission clock.
RTS Options
There are two RTS options. The choice depends on application and
host/terminal requirements. In asynchronous mode RTS is used as a
hardware flow control signal.
IGNORED AT&R1 RTS is ignored; always assumed
to be ON. (Default)
CTS TRACKS
RTS
AT&R0 Delay before CTS responds to
RTS's change. The delay is set in
the S26 register.