XE8000EV108 Semtech, XE8000EV108 Datasheet - Page 107
XE8000EV108
Manufacturer Part Number
XE8000EV108
Description
EVAL BOARD FOR XE8806/XE8807
Manufacturer
Semtech
Type
MCUr
Specifications of XE8000EV108
Contents
Fully Assembled Evaluation Board
For Use With/related Products
XE88LC06AMI026
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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14.12.2.6.3
To handle the transmission data by interrupt, enable the RF interface transmission interrupt in the interrupt handler
of the circuit.
We need to send the start sequence first. The start sequence is defined as a protocol violation. To send a protocol
violation, the encoder has to be disabled by clearing RfifEnCod = 0. We then can write for instance “00000000” to
RfifTx.
At occurrence of the interrupt, the start sequence was transferred to the shift register and the FIFO is empty. The
encoder is to be enabled by setting RfifEnCod = 1. We do not need to wait until the start sequence transmission is
completed, since the modification of the bit RfifEnCod is taken into account only at the transfer of the next byte
from the FIFO to the transmission shift register. The first 4 bytes of the message can then be written to RfifTx.
At each occurrence of the interrupt, 4 bytes of the message can be written to the FIFO until the end of the message
is reached. The whole operation starts over again for the next message.
© Semtech 2006
Data transmission
RegRfifCmd1
RegRfifCmd2
RegRfifCmd3
Register
Table 14-34. RF interface set-up
14-27
00000001
00100010
00000001
contents
XE8806A/XE8807A
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