收藏本站

Micrel, Inc.
Clock Generation
The MICRF507’s crystal oscillator:
MICRF507
Figure 6 shows the oscillator with its frequency-shifting
?
?
?
Serves as the reference for the synthesizer that is
the carrier and local oscillator source.
Is divided down to clock the switched-capacitor IF
filter.
Is divided down to generate three other clocks: bit
rate clock, bit synchronization clock, and
modulator clock
capacitor bank (controlled by the register field XCOtune)
and the frequency dividers that derive the latter three
clocks from its output. This division occurs in two stages.
First, the XCO output is divided by the 6-bit field Refclk_K,
which has allowable values between 1 and 63. Then, for
each of the three clocks, another field (BitSync_clkS,
BitRate_ClkS, and ModClkS, respectively) selects the
number of further divisions by 2. Complete relationships of
field values and resultant frequencies are given below for
each clock.
Field Name
XCOtune
RefClk_K
BitRate_clkS
Mod_clkS
Number
of bits
5
6
3
3
Location
of bits
Reg9[4:0]
Reg7[5:0]
Reg6[0],
Reg7[7:6]
Reg6[6:4]
Description
Crystal oscillator trimming.
Reference clock divider.
Transmitter Bit rate clock setting. See Figure 9 and “Data
Interface and Bit Synchronization” section for more details.
VCO Modulator clock setting, set the modulator clock to
either 8x or 16x the bit rate clock.
Receiver Bit Synchronization clock setting, always set bit
BitSync_clkS
3
Reg6[3:1]
synchronization clock to 16x the bit rate clock. See Figure 9
and “Data Interface and Bit Synchronization” section for more
details.
Table 3. Register Bit Fields for Clock Generation
Figure 6. MICRF507 Clock Sources
October 2, 2013
15
Revision 2.2
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
MICRF600DEV1 KIT DEV RADIOWIRE 902-928MHZ
MK01-C SENSOR REED SPST-NO SMD
MK01-H SENSOR REED SPDT-CHANGE SMD
MK02/0-1A66-500W SENSOR REED SPST-NO
MK02/6-0 SENSOR REED PCB 24MM T/H
MK03-1C90C-500W SENSOR REED SPDT CYLINDER
MK05-1A66C-500W SENSOR REED SPST-NO SCREW MOUNT
MK06-6-A SENSOR REED SPST-NO SIL T/H
相关代理商/技术参数
MICRF507YMLTR 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:470MHz to 510MHz Low-Power FSK Transceiver with +10dBm Power Amplifier
MICRF507YML-TR 功能描述:IC RF TxRx Only General ISM < 1GHz 470MHz ~ 510MHz 32-VFQFN Exposed Pad, 32-MLF? 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:停产 类型:仅限 TxRx 射频系列/标准:通用 ISM < 1GHz 协议:- 调制:FSK 频率:470MHz ~ 510MHz 数据速率（最大值）:200kbps 功率 - 输出:10dBm 灵敏度:-113dBm 存储容量:- 串行接口:SPI GPIO:- 电压 - 电源:2 V ~ 2.5 V 电流 - 接收:8mA ~ 12mA 电流 - 传输:8mA ~ 21.5mA 工作温度:-40°C ~ 85°C 封装/外壳:32-VFQFN 裸露焊盘，32-MLF? 标准包装:1
MICRF600 功能描述:TXRX ISM 902-928MHZ 11.5X14.1MM RoHS:否 类别:RF/IF 和 RFID >> RF 收发器 系列:RadioWire® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:30 系列:- 频率:4.9GHz ~ 5.9GHz 数据传输率 - 最大:54Mbps 调制或协议:* 应用:* 功率 - 输出:-3dBm 灵敏度:- 电源电压:2.7 V ~ 3.6 V 电流 - 接收:* 电流 - 传输:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 工作温度:-25°C ~ 85°C 封装/外壳:68-TQFN 裸露焊盘 包装:管件
MICRF600 TR 制造商:Micrel 功能描述:Micrel MICRF600 TR RF Transceivers
MICRF600_06 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:902-928MHz ISM Band Transceiver Module
MICRF600DEV1 功能描述:KIT DEV RADIOWIRE 902-928MHZ RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:RadioWire® 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
MICRF600TR 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:902-928MHz ISM Band Transceiver Module
MICRF600Z 功能描述:TXRX ISM 902-928MHZ 11.5X14.1MM RoHS:是 类别:RF/IF 和 RFID >> RF 收发器 系列:RadioWire® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:30 系列:- 频率:4.9GHz ~ 5.9GHz 数据传输率 - 最大:54Mbps 调制或协议:* 应用:* 功率 - 输出:-3dBm 灵敏度:- 电源电压:2.7 V ~ 3.6 V 电流 - 接收:* 电流 - 传输:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 工作温度:-25°C ~ 85°C 封装/外壳:68-TQFN 裸露焊盘 包装:管件