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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(biāo)準(zhǔn)/ ZigBee功能的RF收發(fā)器 |
| 文件頁數(shù)： | 73/87頁 |
| 文件大?。?/td> | 1418K |
| 代理商： | CC2420 |
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SmartRF
CC2420
MANAND (0x21) - Manual signal AND override register
1
Bit
Field Name
Reset
R/W
Description
15
VGA_RESET_N
1
R/W
The VGA_RESET_N signal is used to reset the peak detectors in
the VGA in the RX chain.
14
BIAS_PD
1
R/W
Global bias power down (1)
13
BALUN_CTRL
1
R/W
The BALUN_CTRL signal controls whether the PA should
receive its required external biasing (1) or not (0) by controlling
the RX/TX output switch.
12
RXTX
1
R/W
RXTX signal: controls whether the LO buffers (0) or PA buffers
(1) should be used.
11
PRE_PD
1
R/W
Powerdown of prescaler.
10
PA_N_PD
1
R/W
Powerdown of PA (negative path).
9
PA_P_PD
1
R/W
Powerdown of PA (positive path). When PA_N_PD=1 and
PA_P_PD=1 the up-conversion mixers are in powerdown.
8
DAC_LPF_PD
1
R/W
Powerdown of TX DACs.
7
XOSC16M_PD
1
R/W
6
RXBPF_CAL_PD
1
R/W
Powerdown control of complex bandpass receive filter calibration
oscillator.
5
CHP_PD
1
R/W
Powerdown control of charge pump.
4
FS_PD
1
R/W
Powerdown control of VCO, I/Q generator, LO buffers.
3
ADC_PD
1
R/W
Powerdown control of the ADCs.
2
VGA_PD
1
R/W
Powerdown control of the VGA.
1
RXBPF_PD
1
R/W
Powerdown control of complex bandpass receive filter.
0
LNAMIX_PD
1
R/W
Powerdown control of LNA, down-conversion mixers and
frontend bias.
1
For some important signals the value used by analog and digital modules can be overridden manually. This is done
as follows for the hypothetical important signal
IS
:
IS_USED
= (
IS
*
IS_AND_MASK) + IS_OR_MASK
,
using boolean notation.
The AND-mask and OR-mask for the important signals listed resides in the MANAND and MANOR registers,
respectively.
Examples:
Writing 0xFFFE to MANAND and 0x0000 to MANOR will force LNAMIX_PD
≡
0 whereas all other signals will be
unaffected.
Writing 0xFFFF to MANAND and 0x0001 to MANOR will force LNAMIX_PD
≡
1 whereas all other signals will be
unaffected.
Chipcon AS
SmartRF
CC2420 Preliminary Datasheet (rev 1.2), 2004-06-09
Page 73 of 87
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相關(guān)代理商/技術(shù)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(chǎn)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(chǎn)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(chǎn)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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