参数资料
型号: MRF89XAT-I/MQ
厂商: Microchip Technology
文件页数: 108/140页
文件大小: 0K
描述: RF ISM BAND TXRX 32 QFN
标准包装: 1
频率: 863MHz ~ 870MHz,902MHz ~ 928MHz,950MHz ~ 960MHz
数据传输率 - 最大: 200kbps
调制或协议: FSK,OOK
应用: ISM
功率 - 输出: 12.5dBm
灵敏度: -113dBm
电源电压: 2.1 V ~ 3.6 V
电流 - 接收: 3mA
电流 - 传输: 25mA
数据接口: PCB,表面贴装
存储容量: *
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 32-WFQFN 裸露焊盘
包装: 标准包装
其它名称: MRF89XAT-I/MQDKR
MRF89XA
5.3
Switching Times and Procedures
As an ultra low-power device, the MRF89XA can be
configured for low minimum average power consump-
tion. To minimize consumption the following optimized
transitions between modes are shown.
5.3.1
OPTIMIZED RECEIVE CYCLE
The lowest-power RX cycle is shown in Figure 5-1 .
FIGURE 5-1:
MRF89XA
IDD
IDDRX
3.0 mA typ.
IDDFS
1.3 mA typ.
IDDST
65 μA typ.
IDDSL
100 nA typ.
OPTIMIZED RX CYCLE
RX
Time
MRF89XA can be put in
Any other mode
Wait
TSWRF
Receiver is ready:
- RSSI sampling is valid after a 1/ f dev period
- Received data is valid
Wait
TSFS
Set MRF89XA in RX mode
Wait for Receiver settling
Wait
TSOSC
Set MRF89XA in FS mode
Wait for PLL settling
Set MRF89XA in Stand-by mode
Wait for XO settling
Note
1:
If the lock detect indicator is available on an external interrupt pin of the companion microcontroller, it can be used to optimize
TSFS, without having to wait the maximum specified TSFS.
DS70622C-page 108
Preliminary
? 2010–2011 Microchip Technology Inc.
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