參數(shù)資料
型號: OL2381AHN
廠商: NXP Semiconductors N.V.
元件分類: 微波射頻器件
英文描述: Highly Integrated Single Chip Sub 1-GHz RF Transceiver
封裝: OL2381AHN<SOT617-3 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-3.html<1<Always Pb-free,;
文件頁數(shù): 37/43頁
文件大?。?/td> 2978K
代理商: OL2381AHN
AN11017
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Application note
Rev. 2 — 10 May 2011
37 of 43
NXP Semiconductors
AN11017
Transceiver OL2381 using wireless M-BUS
9. Software
Figure 40
shows an example of how the software can be configured to operate.
The blue blocks show the communication to OL2381 via the SPI interface; see
Figure 39
.
The yellow blocks represent data transfers to and from OL2381 via the data interface; see
Figure 39
.
Fig 40. Software example
Main
Action
019aab792
Setup μC Interrupt (P12)
Transmit
Receive
Write register OL2381
according Chapter 4-6
Interrupt
Initiate by edge of P12
Return
from Interrupt
Transmit
Write Data into Buffer
TxFlag=1
TxFlag=0
OL2381 Powerdown
Wait
Int.
Send TxCommand to
OL2381 see Chapter 7.1
End
Receive
RxFlag=1
Read one Bit
from P10 into
buffer
Send one Bit
from buffer into
P10
RxFlag
TxFlag
Wait
OL2381 Powerdown
Read Data from Buffer
RxFlag=0
Send RxCommand to
OL2381 see Chapter 7.2
End
Int.
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