参数资料
型号: AT86RF212-ZUR
厂商: Atmel
文件页数: 35/172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
(parameter 10.4.12). During reset, the microcontroller has to set the radio transceiver
control pins SLP_TR and /SEL to their default values.
An overview of the register reset values is provided in Table 11-2.
5.1.3 Interrupt Handling
All interrupts provided by the AT86RF212 (see Table 4-15) are supported in Basic
Operating Mode. For example, interrupts are provided to observe the status of radio
transceiver RX and TX operations.
When being in receive mode, IRQ_2 (RX_START) indicates the detection of a non-zero
PHR first, IRQ_5 (AMI) an address match, and IRQ_3 (TRX_END) the completion of
the frame reception. During transmission, IRQ_3 (TRX_END) indicates the completion
of the frame transmission.
Figure 5-2 shows an example for a transmit/receive transaction between two devices
and the related interrupt events in Basic Operating Mode. Device 1 transmits a frame
containing a MAC header, MAC payload, and a valid FCS. The end of the frame
transmission is indicated by IRQ_3 (TRX_END).
The frame is received by Device 2. Interrupt IRQ_2 (RX_START) indicates the
detection of a valid PHR field and IRQ_3 (TRX_END) the completion of the frame
reception. If the frame passes the Frame Filter (refer to 6.2), an address match interrupt
IRQ_5 (AMI) is issued after the reception of the MAC header (MHR).
Processing delay t IRQ is a typical value, refer to section 10.4.
Figure 5-2. Timing of RX_START, AMI, and TRX_END Interrupts in Basic Operating Mode for O-QPSK 250 kbit/s Mode
-t TR10
0
128
160
192
192+( m+n+2 ) 32
Time [ μ s]
State
PLL_ON
BUSY_TX
PLL_ON
SLP_TR
IRQ
Processing Delay
t TR10
IRQ_3 (TRX_END)
Number of Octets
Frame Content
4
Preamble
1
SFD
1
PHR
m
MHR
n
MSDU
2
FCS
State
IRQ
Interrupt latency
RX_ON
IRQ_2 (RX_START)
t IRQ
BUSY_RX
IRQ_5 (AMI)
t IRQ
RX_ON
TRX_END
t IRQ
5.1.4 Timing
The following paragraphs depict state transitions and their timing properties. Timings
are explained in Table 5-1 and section 10.4.
35
8168C-MCU Wireless-02/10
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