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參數(shù)資料
| 型號(hào)： | 101-0576 |
| 廠商： | Rabbit Semiconductor |
| 文件頁(yè)數(shù)： | 42/106頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | COMPUTER SNGLBD BL2510 256K FLSH |
| 標(biāo)準(zhǔn)包裝： | 25 |
| 系列： | SBC |
| 模塊/板類型： | 單板計(jì)算機(jī)模塊 |
| 適用于相關(guān)產(chǎn)品： | BL2510 |
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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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 20-101-1055 | MODULE RABBITCORE RCM3375 |
| 20-101-0434 | MODULE RABBITCORE RCM2100 |
| 046232103103800 | CONN FFC/FPC 3POS 1MM R/A SMD |
| 355-030-521-204 | CARDEDGE 30POS DL .156 LOPRO BLK |
| 355-030-521-202 | CARDEDGE 30POS DL .156 LOPRO BLK |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 101-0577 | 功能描述:開發(fā)板和工具包 - 其他處理器 Programmers, Development Systems General Embedded Dev Boards and Kits (MCU, DSP, FPGA, CPLD) - KIT DEV FOR BL2500 COYOTE RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| 101-0578 | 功能描述:開發(fā)板和工具包 - 其他處理器 BL25/OEM2500 DEVKIT INTERNTIONAL RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| 101-0580 | 功能描述:子卡和OEM板 RabbitLink Card RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| 10-105808-02P | 制造商:Amphenol Aerospace 功能描述:PLUG |
| 10-105808-02S | 制造商:Amphenol Aerospace 功能描述:PLUG |
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