参数资料
型号: AT86RF212-ZUR
厂商: Atmel
文件页数: 15/172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
AT86RF212
4.2 SPI Timing Description
Pin 17 (CLKM) can be used as a microcontroller master clock source. If the
microcontroller derives the SPI master clock (SCLK) directly from CLKM, the SPI
operates in synchronous mode, otherwise in asynchronous mode.
In synchronous mode, the maximum SCLK frequency is 8 MHz.
In asynchronous mode, the maximum SCLK frequency is limited to 7.5 MHz. The signal
at pin CLKM is not required to derive SCLK and may be disabled to reduce power
consumption and spurious emissions.
Figure 4-2 and Figure 4-3 illustrate the SPI timing and introduces its parameters. The
corresponding timing parameter definitions t 1 – t 9 are defined in section 10.4.
Figure 4-2. SPI Timing: Global Map and Definition of Timing Parameters t 5 , t 6 , t 8 , and t 9
Figure 4-3. SPI Timing: Detailed Drawing of Timing Parameter t 1 , t 2 , t 3 , and t 4
The SPI is based on a byte-oriented protocol and is always a bidirectional
communication between master and slave. The SPI master starts the transfer by
asserting /SEL = L. Then the master generates eight SPI clock cycles to transfer one
byte to the radio transceiver (via MOSI). At the same time, the slave transmits one byte
to the master (via MISO). When the master wants to receive one byte of data from the
slave, it must also transmit one byte to the slave. All bytes are transferred with MSB
first. An SPI transaction is finished by releasing /SEL = H.
/SEL = L enables the MISO output driver of the AT86RF212. The MSB of MISO is valid
after t 1 (see section 10.4, parameter 10.4.3) and is updated at each falling edge of
SCLK. If the driver is disabled, there is no internal pull-up resistor connected to it.
Driving the appropriate signal level must be ensured by the master device or an
external pull-up resistor. Note, when both /SEL and /RST are active, the MISO output
driver is also enabled.
15
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
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