WP-RF-RF600T Datasheet, PDF (7/14 Pages) List of Unclassifed Manufacturers – Smart Com Radio Transceiver IC

Smart Com Radio Transceiver IC
WP-RF-RF600T
Packet Size and Timing
The following information is provided to aid in timing calculations for the RF data transmission.
Please note this timing is for RF transmission only the RS232 communications timing is not included.
Radio Module Interface
The interface to the radio module(s) consists of the following signal and control lines:
• TxR
Serial data output from the RF600T to the radio module.
• RxR
Serial Data input to the RF600T from the radio module.
• TXEN
When active low the RF Transmitter is enabled
• RXEN
When active low the RF Receiver is enabled
Radio Module Communications
All data communications between the radio modules are carried out using an R. F. Solutions proprietary data
protocol with Manchester coding. This protocol includes a pre-amble and synchronisation header followed by
address and control bytes, data and a CRC check. Element timing is selectable at either 400 us or 200 us
using the HBAUD option as described above.
Radio Module Control
The RXEN and TXEN control lines are used to enable or disable the receiver and transmitter modules – or in
the case of a transceiver module, to control the direction of operation. The logic of these outputs is such that
when the RF600T wishes to transmit, it will take the RXEN line high and the TXEN line low. When the
RF600T wishes to receive, it will take the RXEN line low and the TXEN line high.
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