参数资料
| 型号： | 20-101-1094 |
| 厂商： | Rabbit Semiconductor |
| 文件页数： | 47/130页 |
| 文件大小： | 0K |
| 描述： | MCU RCM4000 RABBITCORE |
| 标准包装： | 1 |
| 系列： | RabbitCore® |
| 模块/板类型： | MPU 核心模块 |
| 适用于相关产品： | RCM4000 |
| 产品目录页面： | 619 (CN2011-ZH PDF) |
| 其它名称： | 316-1139 |
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User’s Manual
17
LOW_POWER.C
—demonstrates how to implement a function in RAM to reduce power
consumption by the Rabbit microprocessor. There are four features that lead to the low-
est possible power draw by the microprocessor.
1. Run the CPU from the 32 kHz crystal.
2. Turn off the high-frequency crystal oscillator.
3. Run from RAM.
4. Ensure that internal I/O instructions do not use CS0.
Once you are ready to compile and run this sample program, use <Alt-F9> instead of
just F9. This will disable polling, which will allow Dynamic C to continue debugging
once the target starts running off the 32 kHz oscillator.
This sample program will toggle LEDs DS2 and DS3 on the Prototyping Board. You
may use an oscilloscope. DS2 will blink the fastest. After switching to low power, both
LEDs will blink together.
TAMPERDETECTION.C
—demonstrates how to detect an attempt to enter the bootstrap
mode. When an attempt is detected, the battery-backed onchip-encryption RAM on the
Rabbit 4000 is erased. This battery-backed onchip-encryption RAM can be useful to
store data such as an AES encryption key from a remote location.
This sample program shows how to load and read the battery-backed onchip-encryption
RAM and how to enable a visual indicator.
Once this sample is compiled running (you have pressed the F9 key while the sample
program is open), remove the programming cable and press the reset button on the
Prototyping Board to reset the module. LEDs DS2 and DS3 will be flashing on and off.
Now press switch S2 to load the battery-backed RAM with the encryption key. The
LEDs are now on continuously. Notice that the LEDs will stay on even when you press
the reset button on the Prototyping Board.
Reconnect the programming cable briefly and unplug it again. The LEDs will be flash-
ing because the battery-backed onchip-encryption RAM has been erased. Notice that
the LEDs will continue flashing even when you press the reset button on the Prototyp-
ing Board.
You may press switch S2 again and repeat the last steps to watch the LEDs.
TOGGLESWITCH.C
—demonstrates the use of costatements to detect switch presses
using the press-and-release method of debouncing. LEDs DS2 and DS3 on the Proto-
typing Board are turned on and off when you press switches S2 and S3. S2 and S3 are
controlled by PB4 and PB5 respectively.
Once you have loaded and executed these five programs and have an understanding of
how Dynamic C and the RCM4000 modules interact, you can move on and try the other
sample programs, or begin building your own.
相关PDF资料 |
PDF描述 |
|---|---|
| 345-030-540-802 | CONN CARDEDGE 30POS .100 X .200 |
| 305-030-500-202 | CONN CARDEDGE 30POS .156 X .140 |
| 243-002-542-101 | MINI CARD EDGE 0.2" - 2PIN 1ROW |
| 20-101-1217 | MODULE RABBITCORE RCM3229 |
| 20-101-0494 | MODULE RABBITCORE RCM2250 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 20-101-1095 | 功能描述:模块化系统 - SOM BL2600 XD HOT SWAP 10/100 RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 20-101-1104 | 功能描述:处理器配件 USB xd reader RoHS:否 制造商:Olimex Ltd. 产品:Cable 用于: |
| 20-101-1105 | 功能描述:模块化系统 - SOM RCM4100 RabbitCore Module RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 20-101-1110 | 功能描述:界面开发工具 Rio Protyping Board RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| 20-101-1112 | 功能描述:模块化系统 - SOM RCM4010 Core Module RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
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