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): 14/43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
14 of 43
NXP Semiconductors
AN11017
Transceiver OL2381 using wireless M-BUS
4. General register settings
This section briefly explains the settings of the receiver and transmitter common registers;
see
Figure 13
. Not all registers are described in this application note, for more information
please refer to data sheet
Ref. 1
or application note
Ref. 2
.
Frequency register (FC0L+FC0M+FC0H) is used as an example in the flow chart provided
by
Figure 13
. It is possible to have up to four different frequency setups for applications
using different frequencies and to switch easily between them.
Fig 13. Register settings flow chart
019aab765
Ports Configuration:
PORTCON0, PORTCON1,
PORTCON2
TX/RX
RX
TX
Configuration of the PLL:
EXPERT0
Clock Configuration:
CLOCKCON
TX Configuration
RX Configuration
Baud Rate:
TIMING0, TIMING1
Frequency registers:
FC0[L, M, H], FC1[L, M, H],
FC2[L, M, H]; FC3[L, M, H];
LOCON (bit RF_LO_DIV)
OL2381
configuration
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