参数资料
型号: 101-0602
厂商: Rabbit Semiconductor
文件页数: 42/106页
文件大小: 0K
描述: COMPUTER SNGL BRD BL2500 44.2MHZ
标准包装: 10
系列: SBC
模块/板类型: 单板计算机模块
适用于相关产品: BL2500
34
Coyote (BL2500)
3.7 Other Hardware
3.7.1 Clock Doubler
The Coyote takes advantage of the Rabbit 3000 microprocessor’s internal clock doubler.
A built-in clock doubler allows half-frequency crystals to be used to reduce radiated
emissions. The 29.4 MHz frequency specified for the Coyote is generated using a
14.7456 MHz crystal. The clock doubler will not work for crystals with a frequency
above 26.7264 MHz.
The clock doubler may be disabled if 29.4 MHz clock speeds are not required. Disabling
the Rabbit 3000 microprocessor’s internal clock doubler will reduce power consumption
and further reduce radiated emissions. The clock doubler is disabled with a simple config-
uration macro as shown below.
NOTE: Disabling the clock doubler will degrade the A/D and D/A conversion.
1. Select the “Defines” tab from the Dynamic C Options > Project Options menu.
2. Add the line CLOCK_DOUBLED=0 to always disable the clock doubler.
The clock doubler is enabled by default, and usually no entry is needed. If you need to
specify that the clock doubler is always enabled, add the line CLOCK_DOUBLED=1 to
always enable the clock doubler.
3. Click OK to save the macro. The clock doubler will now remain off whenever you are
in the project file where you defined the macro.
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相关代理商/技术参数
参数描述
10106020-1 制造商:Amphenol Corporation 功能描述:10-305770-028 - Bulk
10106020-2 制造商:Amphenol Corporation 功能描述:10106020-2 - Bulk
10106029-001LF 功能描述:电源到板 15DC+16S Right Angle HCI Header RoHS:否 制造商:TE Connectivity / AMP 系列:5787444 产品类型:Connectors 触点类型: 电压额定值:50 V 电流额定值: 节距: 位置/触点数量:5 安装风格:Through Hole 端接类型: 触点电镀:Tin
10106031-001LF 功能描述:电源到板 15DC+16S Right Angle HCI Receptacle RoHS:否 制造商:TE Connectivity / AMP 系列:5787444 产品类型:Connectors 触点类型: 电压额定值:50 V 电流额定值: 节距: 位置/触点数量:5 安装风格:Through Hole 端接类型: 触点电镀:Tin
10106033-10013TLF 功能描述:PCI Express / PCI 连接器 RoHS:否 制造商:JAE Electronics 系列:MM60 产品类型:PCI Express 位置/触点数量:52 安装角:Right 安装风格:SMD/SMT 端接类型:Solder Pad 外壳材料:Plastic 触点材料:Copper Alloy 触点电镀:Gold