參數(shù)資料
型號: 20-101-1093
廠商: Rabbit Semiconductor
文件頁數(shù): 53/112頁
文件大小: 0K
描述: RCM4110 RABBITCORE
標(biāo)準(zhǔn)包裝: 1
系列: RabbitCore®
模塊/板類型: MPU 核心模塊
適用于相關(guān)產(chǎn)品: RCM4110
產(chǎn)品目錄頁面: 619 (CN2011-ZH PDF)
其它名稱: 316-1140
User’s Manual
41
4.5 Other Hardware
4.5.1 Clock Doubler
The clock doubler on the RCM4100 is disabled by default.
4.5.2 Spectrum Spreader
The Rabbit 4000 features a spectrum spreader, which helps to mitigate EMI problems. By
default, the spectrum spreader is on automatically, but it may also be turned off or set to a
stronger setting. The means for doing so is through a simple global macro as shown below.
NOTE: Refer to the Rabbit 4000 Microprocessor User’s Manual for more information
on the spectrum-spreading setting and the maximum clock speed.
1. Select the “Defines” tab from the Dynamic C Options > Project Options menu.
2. Normal spreading is the default, and usually no entry is needed. If you need to specify
normal spreading, add the line
ENABLE_SPREADER=1
For strong spreading, add the line
ENABLE_SPREADER=2
To disable the spectrum spreader, add the line
ENABLE_SPREADER=0
NOTE: The strong spectrum-spreading setting is not recommended since it may limit
the maximum clock speed or the maximum baud rate. It is unlikely that the strong set-
ting will be used in a real application.
3. Click OK to save the macro. The spectrum spreader will now remain off whenever you
use the project file where you defined the macro.
相關(guān)PDF資料
PDF描述
20-101-0453 MODULE RABBITCORE RCM2300
20-101-1235 CORE MODULE RCM5700
11FMN-BMTTR-A-TB CONN FMN HSNG 11POS STAG REV SMD
046232103103800+ CONN FFC/FPC 3POS 1MM R/A SMD
15FE-ST-VK-N CONN FFC 15POS RA 1.25MM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
20-101-1094 功能描述:模塊化系統(tǒng) - SOM RCM4000 Coremodule RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型: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
20-101-1095 功能描述:模塊化系統(tǒng) - SOM BL2600 XD HOT SWAP 10/100 RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型: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
20-101-1104 功能描述:處理器配件 USB xd reader RoHS:否 制造商:Olimex Ltd. 產(chǎn)品:Cable 用于:
20-101-1105 功能描述:模塊化系統(tǒng) - SOM RCM4100 RabbitCore Module RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型: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
20-101-1110 功能描述:界面開發(fā)工具 Rio Protyping Board RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V