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參數(shù)資料
| 型號： | MRF24J40-IMM |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | IEEE 802.15.4⑩ 2.4 GHz RF Transceiver |
| 中文描述： | IEEE 802.15.4標(biāo)準(zhǔn)⑩2.4 GHz射頻收發(fā)器 |
| 文件頁數(shù)： | 23/66頁 |
| 文件大?。?/td> | 748K |
| 代理商： | MRF24J40-IMM |
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2006 Microchip Technology Inc.
Advance Information
DS39776A-page 21
MRF24J40
6.0
INITIALIZATION
6.1
Overview
Before the MRF24J40 can be used to transmit and
receive packets, certain device settings must be initial-
ized. Depending on the application, some configuration
options may need to be changed. Normally, these tasks
may be accomplished once after Reset and do not
need to be changed thereafter.
6.2
Receive Filters
To minimize the processing requirements of the host
controller, the MRF24J40 incorporates several different
receive filters which can automatically reject packets
which are not needed. These options are controlled
through the RXMCR register.
REGISTER 6-1:
RXMCR: RECEIVE FILTER CONTROL REGISTER
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
TXCRCEN
bit 7
r
ACKEN
r
PANCOORD
COORD
RXCRCEN
PROMI
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
TXCRCEN:
No CRC Data with Normal FIFO bit
1
= CRC is disabled for the TX FIFO
0
= CRC is enabled for the TX FIFO
Reserved:
Maintain as ‘
0
’
ACKEN:
No ACK Respond in Any Case bit
1
= ACK response is always disabled
0
= ACK response enabled. ACKs are returned when they are requested.
Reserved:
Maintain as ‘
0
’
PANCOORD:
PAN Coordinator bit
1
= Set as PAN coordinator
0
= Not set as PAN coordinator
COORD:
Coordinator bit
1
= Set as coordinator
0
= Not set as coordinator
RXCRCEN:
Error Report bit
1
= RX all kinds of PKT (including CRC error)
0
= Only RX PKT (CRC ok)
PROMI:
RX All Kinds of PKT bit (CRC ok)
1
= RX all kinds of PKT (CRC ok)
0
= Discard PKT when there is a MAC address mismatch, illegal frame type, dPAN/sPAN or
MAC short address mismatch
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MRF24J40MA | 制造商:Microchip Technology Inc 功能描述:WIRELESS TRANCEIVER MODULE, Supply Voltage Min:2.4V, Supply Voltage Max:3.6V, MS |
| MRF24J40MA-I/RM | 功能描述:Zigbee/802.15.4模塊 2.4GHz IEEE 802.15.4 Transceiver Module RoHS:否 制造商:Digi International 頻帶:902 MHz to 928 MHz 視線范圍: 數(shù)據(jù)速率: 靈敏度: 工作電源電壓:2.4 V to 3.6 V 傳輸供電電流:215 mA 接收供電電流:26 mA 輸出功率:250 mW 天線連接器類型:Wire 最大工作溫度:+ 85 C 尺寸:32.94 mm x 22 mm x 2.03 mm |
| MRF24J40MAT-I/RM | 功能描述:射頻接收器 2.4GHz IEEE 802.15.4 Transceiver Module RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MRF24J40MB-I | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:IEEE 802.15.4a?￠ 2.4 GHz RF Transceiver |
| MRF24J40MB-I/RM | 功能描述:Zigbee/802.15.4模塊 2.4GHz, 802.15.4 Xcvr w/int PA RoHS:否 制造商:Digi International 頻帶:902 MHz to 928 MHz 視線范圍: 數(shù)據(jù)速率: 靈敏度: 工作電源電壓:2.4 V to 3.6 V 傳輸供電電流:215 mA 接收供電電流:26 mA 輸出功率:250 mW 天線連接器類型:Wire 最大工作溫度:+ 85 C 尺寸:32.94 mm x 22 mm x 2.03 mm |
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