参数资料
型号: AT86RF212-ZUR
厂商: Atmel
文件页数: 144/172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
Table 9-15. RF Front-End Control Pins
PA_EXT_EN
0
State
n/a
Pin
DIG3
Value
L
Description
External RF front-end control disabled
DIG4
L
1
(1)
BUSY_TX
DIG3
H
External RF front-end control enabled
DIG4
L
Other
DIG3
DIG4
L
H
Note:
1. It is recommended to set PA_EXT_EN = 1 only in receive or transmit states to
reduce the power consumption or avoid leakage current of external RF switches or
other building blocks, especially during SLEEP state.
? Bit 6 – IRQ_2_EXT_EN
Refer to section 9.5.2.
? Bit 5 – TX_AUTO_CRC_ON
Refer to section 6.3.5.
? Bit 4 – RX_BL_CTRL
Refer to section 9.6.2.
? Bit 3:2 – SPI_CMD_MODE
Refer to section 4.4.1.
? Bit 1:0 – IRQ_MASK_MODE, IRQ_POLARITY
Refer to section 4.7.2.
9.5 RX Frame Time Stamping
9.5.1 Overview
To determine the exact timing of an incoming frame, e.g. for beaconing networks, the
reception of this frame can be signaled to the microcontroller via pin 10 (DIG2). The pin
turns from L to H after detection of a valid PHR. When enabled, DIG2 is set to DIG2 = H
at the same time as IRQ_2 (RX_START) occurs, even if IRQ_2 is disabled. The pin
remains high for the length of the frame receive procedure, see Figure 9-8.
This function is enabled with register bit IRQ_2_EXT_EN (register 0x04,
TRX_CTRL_1). Pin 10 (DIG2) can be connected to a timer capture unit of the
microcontroller.
If this pin is not used for RX Frame Time Stamping, it can be configured for Antenna
Diversity, refer to section 9.3. Otherwise, this pin is internally connected to ground.
144
AT86RF212
8168C-MCU Wireless-02/10
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