参数资料
型号: AT86RF212-ZU
厂商: Atmel
文件页数: 117/172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
AT86RF212
? Bit 3:0 – BATMON_VTH
The threshold value for the battery monitor is set by register bits BATMON_VTH.
Table 7-26. Battery Monitor Threshold Voltage
Value
BATMON_VTH[3:0]
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA
0xB
0xC
0xD
0xE
0xF
Voltage [V]
if BATMON_HR = 1
2.550
2.625
2.700
2.775
2.850
2.925
3.000
3.075
3.150
3.225
3.300
3.375
3.450
3.525
3.600
3.675
Voltage [V]
if BATMON_HR = 0
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
7.7 Crystal Oscillator (XOSC) and Clock Output (CLKM)
The main features are:
?
?
?
?
16 MHz amplitude-controlled crystal oscillator
Fast settling time after leaving SLEEP state
Configurable trimming capacitance array
Configurable clock output (CLKM)
7.7.1 Overview
The crystal oscillator generates the reference frequency for the AT86RF212. All other
internally generated frequencies of the radio transceiver are derived from this
frequency. Therefore, the overall system performance is mainly determined by the
accuracy of crystal reference frequency. The external components of the crystal
oscillator should be selected carefully and the related board layout should be done with
caution (see section 3).
Two operating modes are supported. The recommended mode is the integrated
oscillator setup as described in Figure 7-15. Alternatively, a reference frequency can be
fed to the internal circuitry by using an external clock reference as shown in Figure 7-
16. The XOSC operating modes are configurable by register 0x12 (XOSC_CTRL).
117
8168C-MCU Wireless-02/10
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