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參數(shù)資料
| 型號： | CC2420 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver |
| 中文描述： | 2.4 GHz IEEE 802.15.4標準/ ZigBee功能的RF收發(fā)器 |
| 文件頁數(shù)： | 37/87頁 |
| 文件大?。?/td> | 1418K |
| 代理商： | CC2420 |
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SmartRF
CC2420
r0
r1
r2
r3
r4
r5
r6
r7
r8
r9
r10
r11
r12
r13
r14
r15
Data
input
(LSB
first)
Figure 19.
CC2420
Frame Check Sequence (FCS) hardware implementation [1]
MPDU
Length byte
n
MPDU
1
MPDU
2
MPDU
n-2
RSSI
(signed)
CRC / Corr
7
6
5
4
3
2
1
0
Bit number
CRC
OK
Correlation value (unsigned)
Data in RXFIFO
Figure 20. Data in RXFIFO when
MDMCTRL0.AUTOCRC
is set
RF Data Buffering
CC2420
can be configured for different
transmit and receive modes, as set in the
MDMCTRL1.TX_MODE
MDMCTRL1.RX_MODE
Buffered mode (mode 0) will be used for
normal operation of
CC2420
, while other
modes are available for test purposes.
and
bits.
control
Buffered transmit mode
In buffered transmit mode (TX_MODE 0),
the 128 byte TXFIFO, located in
CC2420
RAM, is used to buffer data before
transmission.
A
preamble
(defined in the Frame Format section
below) is automatically inserted before the
length field during transmission. The
length field must always be the first byte
written to the transmit buffer for all frames.
sequence
Writing one or multiple bytes to the
TXFIFO is described in the FIFO access
section on page 29. Reading data from the
TXFIFO is possible with RAM access, but
this does not remove the byte from the
FIFO.
Transmission is enabled by issuing a
STXON
or
STXONCCA
command strobe.
See the Radio control state machine
section on page 42 for an illustration of
how the transmit command strobes affect
the state of
CC2420
. The
STXONCCA
strobe
is ignored if the channel is busy. See the
Chipcon AS
SmartRF
CC2420 Preliminary Datasheet (rev 1.2), 2004-06-09
Page 37 of 87
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CC2420/T&R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver |
| CC2420/TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver |
| CC2420DBK | 功能描述:Zigbee/802.15.4開發(fā)工具 CC2420 DEMO KIT 2 DEMO BOARDS RoHS:否 制造商:Silicon Labs 產品:Development Kits 工具用于評估:EM35x 頻率:2.4 GHz 接口類型:USB 工作電源電壓: |
| CC2420DK | 功能描述:Zigbee/802.15.4開發(fā)工具 CC2420 DEVELOPMENT KIT RoHS:否 制造商:Silicon Labs 產品:Development Kits 工具用于評估:EM35x 頻率:2.4 GHz 接口類型:USB 工作電源電壓: |
| CC2420EMK | 功能描述:Zigbee/802.15.4開發(fā)工具 CC2420 EVALUATION KT (2)PCBs & (2)ANTENNA RoHS:否 制造商:Silicon Labs 產品:Development Kits 工具用于評估:EM35x 頻率:2.4 GHz 接口類型:USB 工作電源電壓: |
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