Download CL4790 Manual - Digi-Key

CL4790 User’s Manual
Consider a remote temperature monitoring system where the transceivers have to transmit their
temperature reading periodically. When the Receive API is enabled every data packet received
has also the information about the transceiver that transmitted the packet. This information is
very useful in identifying the transceiver and analyzing its wireless link.
The Transmit API, Send Data Complete and Receive API can be used in any combination to suit
different applications.
OEM Host
OEM Host
Send Data
Complete
Receive
API
packet
Transmit API
packet
RF Transmit Packet
Local Transceiver
RF Acknowledge
Remote Transceiver
Note: When both Send Data Complete and Receive API on the API Mode is enabled Send Data
Complete is to be received before the transceiver gets a Receive API packet (i.e. receives
another packet before it gets an acknowledge for a packet sent). However this order may get
reversed when the Send Data Complete packet is missed and is being resent after the Receive
API packet is received.
Note: The API Mode over writes all the RF Delivery settings.
4.2.1.5 PC Settings
Port: Serial communications port of the PC connected to the CL4790 unit.
Baud Rate: Must equal the Interface Baud Rate setting of the CL4790 unit that is about to be
programmed.
6/24/2005
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