參數(shù)資料
型號: XE8000EV108
廠商: Semtech
文件頁數(shù): 10/143頁
文件大小: 0K
描述: EVAL BOARD FOR XE8806/XE8807
標準包裝: 1
類型: MCU
適用于相關(guān)產(chǎn)品: XE88LC06AMI026
所含物品: 完全組裝的評估板
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
Semtech 2006
www.semtech.com
14-27
XE8806A/XE8807A
Register
contents
RegRfifCmd1
00000001
RegRfifCmd2
00100010
RegRfifCmd3
00000001
Table 14-34. RF interface set-up
14.12.2.6.3
Data transmission
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.
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