AT86RF232
CCA_REQUEST. The register bit is automatically cleared after requesting a CCA
measurement with CCA_REQUEST = 1.
? Bit 6:5 - CCA_MODE
The CCA mode can be selected using register bits CCA_MODE.
Table 8-15. CCA_MODE.
Register Bits
CCA_MODE
Value
0
1
2
3
Description
Mode 3a, Carrier sense OR energy above threshold
Mode 1, Energy above threshold
Mode 2, Carrier sense only
Mode 3b, Carrier sense AND energy above threshold
Register 0x09 (CCA_THRES):
The CCA_THRES register sets the ED threshold level for CCA.
Figure 8-12 . Register CCA_THRES.
Bit
0x09
Read/Write
Reset value
Bit
7
R/W
1
3
6
R/W
1
2
reserved
5
R/W
0
1
4
R/W
0
0
CCA_THRES
0x09
CCA_ED_THRES
CCA_THRES
Read/Write
Reset value
R/W
0
R/W
1
R/W
1
R/W
1
? Bit 3:0 - CCA_ED_THRES
An ED value above the threshold signals the channel during a CCA_ED measurement
as busy.
Table 8-16. CCA_ED_THRES.
Register Bits
CCA_ED_THRES
Value
0x7
Description
The CCA Mode 1 request indicates a busy channel if the
measured received power is above RSSI_BASE_VAL + 2
x CCA_ED_THRES [dB]. CCA Modes 0 and 3 are logical
related to this result.
97
8321A – MCU Wireless – 10/11
相关PDF资料
AT88CK201BK BRD CRYPTORF READER AT88RF1354
AT88SC-ADK2 KIT ARIS+ DK CRYPTOMEM/COMPANION
AT88SC3216CRF-MY1 IC EEPROM 32KBIT 13MHZ TAG
ATA-2001 LVDT AMPLIFIER
ATAB5429-9-B BOARD BASESTATN UHF RCVR 915MHZ
ATAB5749-3 BOARD XMITTER FOR 315MHZ ATA5749
ATAKSTK511-3 KIT RF MODULE 315MHZ FOR STK500
ATAKSTK512-3 KIT RF MOD REMOTE 315MHZ UNIDIR
相关代理商/技术参数
AT86RF232-ZXR 功能描述:射频收发器 2.4 GHZ ZIGBEE TRANSCEIVER RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
AT86RF233-ZF 功能描述:IC RF TXRX+MCU 802.15.4 32-VFQFN 制造商:microchip technology 系列:- 包装:托盘 零件状态:在售 类型:TxRx + MCU 射频系列/标准:802.15.4,通用 ISM > 1GHz 协议:6LoWPAN,Zigbee? 调制:O-QPSK 频率:2.4GHz 数据速率(最大值):2Mbps 功率 - 输出:4dBm 灵敏度:-101dBm 存储容量:128B SRAM 串行接口:SPI 电压 - 电源:1.8 V ~ 3.6 V 电流 - 接收:11.3mA ~ 11.8mA 电流 - 传输:7.2mA ~ 13.8mA 工作温度:-40°C ~ 125°C 封装/外壳:32-VFQFN 裸露焊盘 标准包装:490
AT86RF233-ZFR 功能描述:IC RF TXRX+MCU 802.15.4 32-VFQFN 制造商:microchip technology 系列:- 包装:剪切带(CT) 零件状态:在售 类型:TxRx + MCU 射频系列/标准:802.15.4,通用 ISM > 1GHz 协议:6LoWPAN,Zigbee? 调制:O-QPSK 频率:2.4GHz 数据速率(最大值):2Mbps 功率 - 输出:4dBm 灵敏度:-101dBm 存储容量:128B SRAM 串行接口:SPI 电压 - 电源:1.8 V ~ 3.6 V 电流 - 接收:11.3mA ~ 11.8mA 电流 - 传输:7.2mA ~ 13.8mA 工作温度:-40°C ~ 125°C 封装/外壳:32-VFQFN 裸露焊盘 标准包装:1
AT86RF233-ZU 功能描述:射频收发器 2.4GHz ZigBee Transceiver RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
AT86RF233-ZUR 功能描述:射频收发器 2.4GHz ZigBee Transceiver RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
AT86RF233-ZUS 功能描述:IC RF TxRx + MCU 802.15.4, General ISM > 1GHz 6LoWPAN, Zigbee? 2.4GHz 32-VFQFN Exposed Pad 制造商:atmel 系列:- 包装:托盘 零件状态:过期 类型:TxRx + MCU 射频系列/标准:802.15.4,通用 ISM > 1GHz 协议:6LoWPAN,Zigbee? 调制:O-QPSK 频率:2.4GHz 数据速率(最大值):2Mbps 功率 - 输出:4dBm 灵敏度:-101dBm 存储容量:128B SRAM 串行接口:SPI GPIO:- 电压 - 电源:1.8 V ~ 3.6 V 电流 - 接收:11.3mA ~ 11.8mA 电流 - 传输:7.2mA ~ 13.8mA 工作温度:-40°C ~ 85°C 封装/外壳:32-VFQFN 裸露焊盘 标准包装:490
AT86RF401 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Smart RF Wireless Data Microtransmitter
AT86RF401E 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Smart RF Wireless Data Microtransmitter