参数资料
型号: AT86RF212-ZU
厂商: Atmel
文件页数: 54/172页
文件大小: 0K
描述: IC TXRX ZIGBE/802.15.4/ISM 32QFN
产品培训模块: MCU Wireless Solutions Product Line Introduction
标准包装: 2,450
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: 托盘
Figure 5-10. Exemplary Timing of an RX_AACK Transaction for Slotted Operation
5.2.3.6 Timing
A general timing example of an RX_AACK transaction is shown in Figure 5-11. In this
example, a data frame with an ACK request is received. The AT86RF212 changes to
state BUSY_RX_AACK after SFD detection. The completion of the frame reception is
indicated by a TRX_END interrupt. The interrupts IRQ_2 (TX_START) and IRQ_5 (AMI)
are disabled in this example. The ACK frame is automatically transmitted after
aTurnaroundTime (12 symbols), assuming default acknowledgment frame start timing.
The interrupt latency t 9 is specified in section 10.4.
Figure 5-11. Exemplary Timing of an RX_AACK Transaction
Time
Frame Type
State
RX_AACK_ON
SFD
Data Frame (ACK=1)
BUSY_RX_AACK
ACK Frame (Frame Pending = 0)
RX_AACK_ON
RX/TX
IRQ
RX
TRX_END
TX
RX
t IRQ
aTurnaroundTime
(AACK_ACK_TIME)
TRAC_STATUS
...
SUCCESS_WAIT_FOR_ACK
SUCCESS
5.2.4 TX_ARET_ON – Transmit with Automatic Retry and CSMA-CA Retry
Overview
The TX_ARET Extended Operating Mode supports the frame transmission process as
defined by IEEE 802.15.4-2006. It is invoked as described in section 5.2.1 by writing
TX_ARET_ON to register subfield TRX_CMD (register 0x02, TRX_STATE).
54
AT86RF212
8168C-MCU Wireless-02/10
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