参数资料
型号: AT86RF212-ZUR
厂商: Atmel
文件页数: 80/172页
文件大小: 0K
描述: TXRX AVR LOW PWR/VOLTAGE 32PQFN
标准包装: 1
频率: 700MHz,800MHz,900MHz
数据传输率 - 最大: 250kbps
调制或协议: 802.15.4 Zigbee,6LoWPAN,ISM
应用: ISM,ZigBee?
功率 - 输出: 10dBm
灵敏度: -110dBm
电源电压: 1.8 V ~ 3.6 V
电流 - 接收: 9.2mA
电流 - 传输: 25mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 32-VFQFN 裸露焊盘
包装: 标准包装
其它名称: AT86RF212-ZURDKR
6.4 Received Signal Strength Indicator (RSSI)
The Received Signal Strength Indicator is characterized by:
? a dynamic range of 87 dB
? a resolution of about 3 dB
6.4.1 Overview
The RSSI value indicates the received signal power in the selected channel. No attempt
is made to distinguish IEEE 802.15.4 signals from others; only the received signal
strength is evaluated. The RSSI provides the basis for an ED measurement, see
section 6.5.
6.4.2 Reading RSSI
In Basic Operating Modes, the RSSI value is valid in any receive state and is updated
at time intervals according to Table 6-24. The current RSSI value can be accessed by
reading register bits RSSI of register 0x06 (PHY_RSSI).
Table 6-24. RSSI Update Interval
PHY Mode
BPSK-20
BPSK-40
O-QPSK
Update Interval [μs]
32
24
8
It is not recommended reading the RSSI value when using the Extended Operating
Modes. Instead, the automatically generated ED value should be used, see section 6.5.
6.4.3 Data Interpretation
The RSSI value is a 5-bit value in a range of 0 to 28, indicating the receiver input power
in steps of about 3 dB.
A RSSI value of 0 indicates a receiver input power less than or equal to
RSSI_BASE_VAL [dBm], a value of 28 an input power equal to or larger than
(RSSI_BASE_VAL + 87) [dBm]. The value RSSI_BASE_VAL itself depends on the PHY
mode, refer to section 7.1. For typical conditions, it is shown in Table 6-25.
Table 6-25. RSSI_BASE_VAL
PHY Mode
BPSK with 300 kchip/s
BPSK with 600 kchip/s
O-QPSK with 400 kchip/s
O-QPSK with 1000 kchip/s, sine shaping (SIN)
O-QPSK with 1000 kchip/s, raised cosine shaping (RC-0.8)
The receiver input power can be calculated as follows:
P RF [dBm] = RSSI_BASE_VAL + 3.1 ? RSSI
RSSI_BASE_VAL [dBm]
-100
-100
-98
-98
-97
80
AT86RF212
8168C-MCU Wireless-02/10
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AT86RF215IQ-ZUR 功能描述:IC RF TXRX 802.15.4/ISM 48-VFQFN 制造商:microchip technology 系列:- 包装:剪切带(CT) 零件状态:在售 类型:仅限 TxRx 射频系列/标准:802.15.4,通用 ISM < 1GHz 协议:- 调制:FSK,OFDM,O-QPSK 频率:389.5MHz ~ 510MHz,779MHz ~ 1.02GHz,2.4GHz 数据速率(最大值):2.4Mbps 功率 - 输出:16dBm 灵敏度:-123dBm 存储容量:- 串行接口:SPI 电压 - 电源:1.8 V ~ 3.6 V 电流 - 接收:5mA ~ 33mA 电流 - 传输:62mA ~ 64mA 工作温度:-40°C ~ 85°C 封装/外壳:48-VFQFN 裸露焊盘 标准包装:1
AT86RF215M-ZU 功能描述:IC RF TxRx Only General ISM < 1GHz 389.5MHz ~ 510MHz, 779MHz ~ 1.02GHz 48-VFQFN Exposed Pad 制造商:atmel 系列:- 包装:托盘 零件状态:有效 类型:仅限 TxRx 射频系列/标准:通用 ISM < 1GHz 协议:- 调制:FSK,OFDM,O-QPSK 频率:389.5MHz ~ 510MHz,779MHz ~ 1.02GHz 数据速率(最大值):2.4Mbps 功率 - 输出:16dBm 灵敏度:-123dBm 存储容量:- 串行接口:SPI GPIO:- 电压 - 电源:1.8 V ~ 3.6 V 电流 - 接收:5mA ~ 33mA 电流 - 传输:62mA ~ 64mA 工作温度:-40°C ~ 85°C 封装/外壳:48-VFQFN 裸露焊盘 标准包装:416
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