参数资料
型号: AT86RF212-ZUR
厂商: Atmel
文件页数: 143/172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
The start-up sequence of the individual building blocks of the internal transmitter is
shown in Figure 9-7 where transmission is actually initiated by the rising edge of
pin 11 (SLP_TR). The radio transceiver state changes from PLL_ON to BUSY_TX and
the PLL settles to the transmit frequency within 1 symbol period. The modulation starts
1 symbol period after the rising edge of SLP_TR. During this time, the internal PA is
initialized.
The control of the external PA is done via the differential pin pair DIG3/DIG4.
DIG3 = H / DIG4 = L indicates that the transmission starts and can be used to enable
the external PA. The timing of pins DIG3/DIG4 can be adjusted relative to the start of
the frame using register bits PA_LT (register 0x16, RF_CTRL_0). For details, refer to
section 7.3.5.
Figure 9-7. TX Power Ramping Control of RF Front-End for 250 kbit/s O-QPSK mode
9.4.3 Register Description
Register 0x04 (TRX_CTRL_1) :
The TRX_CTRL_1 register is a multi purpose register to control various operating
modes and settings of the radio transceiver.
Table 9-14. Register 0x04 (TRX_CTRL_1)
Bit
Name
Read/Write
Reset Value
Bit
Name
Read/Write
Reset Value
7
PA_EXT_EN
R/W
0
3
SPI_CMD_MODE
R/W
0
6
IRQ_2_EXT_EN
R/W
0
2
SPI_CMD_MODE
R/W
0
5
TX_AUTO_CRC_ON
R/W
1
1
IRQ_MASK_MODE
R/W
0
4
RX_BL_CTRL
R/W
0
0
IRQ_POLARITY
R/W
0
? Bit 7 – PA_EXT_EN
This register bit enables pin 1 (DIG3) and pin 2 (DIG4) to indicate the transmit state of
the radio transceiver.
143
8168C-MCU Wireless-02/10
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