參數(shù)資料
型號(hào)： 101-0488
廠商： Rabbit Semiconductor
文件頁(yè)數(shù)： 28/90頁(yè)
文件大小： 0K
描述： MODULE RABBITCORE RCM2210
標(biāo)準(zhǔn)包裝： 1
系列： RabbitCore®
模塊/板類型： 單板計(jì)算機(jī)模塊
適用于相關(guān)產(chǎn)品： RCM2210
28
RabbitCore RCM2200
4.5 Other Hardware
4.5.1 Clock Doubler
The RCM2200 takes advantage of the Rabbit 2000 microprocessor’s internal clock dou-
bler. A built-in clock doubler allows half-frequency crystals to be used to reduce radiated
emissions. The 22.1 MHz frequency is generated using an 11.0592 MHz crystal. The
clock doubler is disabled automatically in the BIOS for crystals with a frequency above
12.9 MHz.
The clock doubler may be disabled if 22.1 MHz clock speeds are not required. Disabling
the Rabbit 2000 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.
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. The clock speed will be doubled as long as the crystal
frequency is less than or equal to 26.7264 MHz.
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
101-0492 功能描述:單板計(jì)算機(jī) OP6800 RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲(chǔ)容量:2 GB (max) 存儲(chǔ)類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm
101-0494 功能描述:模塊化系統(tǒng) - SOM RCM2250 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲(chǔ)容量:8 MB, 16 MB 存儲(chǔ)類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in
101-0495 功能描述:處理器配件 Baseplate RoHS:否 制造商:Olimex Ltd. 產(chǎn)品:Cable 用于:
101-0497 功能描述:單板計(jì)算機(jī) OP6810 RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲(chǔ)容量:2 GB (max) 存儲(chǔ)類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm
10104997-00C-10B 功能描述:高速/模塊連接器 XCEDE 2W 6PVH 6COL RoHS:否 制造商:Molex 系列:iPass 產(chǎn)品類型: 排數(shù): 列數(shù): 位置/觸點(diǎn)數(shù)量:38 安裝角:Right 節(jié)距:0.8 mm 安裝風(fēng)格:Plug 端接類型:SMD/SMT 外殼材料:Thermoplastic 觸點(diǎn)材料:High Performance Alloy (HPA) 觸點(diǎn)電鍍:Gold
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