参数资料
型号: 101-1226
厂商: Rabbit Semiconductor
文件页数: 107/168页
文件大小: 0K
描述: RCM3900 DEV KIT UNIVERSAL
标准包装: 1
系列: RabbitCore 3900
类型: MPU 模块
适用于相关产品: RCM3900
所含物品: RabbitCore 模块、开发板、交流适配器、缆线和 Dynamic C? 光盘
其它名称: 316-1137
RabbitCore RCM3900 User’s Manual
43
5. SOFTWARE REFERENCE
Dynamic C is an integrated development system for writing
embedded software. It runs on an IBM-compatible PC and is
designed for use with Rabbit controllers and other controllers
based on the Rabbit microprocessor. Chapter 5 describes the
libraries and function calls related to the RCM3900.
5.1 More About Dynamic C
Dynamic C has been in use worldwide since 1989. It is specially designed for program-
ming embedded systems, and features quick compile and interactive debugging. A com-
plete reference guide to Dynamic C is contained in the Dynamic C User’s Manual.
You have a choice of doing your software development in the flash memory or in the static
SRAM included on the RCM3900. The flash memory and SRAM options are selected with
the Options > Program Options > Compiler menu.
The advantage of working in RAM is to save wear on the flash memory, which is limited
to about 100,000 write cycles. The disadvantage is that the code and data might not both
fit in RAM.
NOTE: An application should be run from the program execution SRAM after the serial
programming cable is disconnected. Your final code must always be stored in flash
memory for reliable operation. RCM3900 modules have a fast program execution SRAM
that is not battery-backed. Select Code and BIOS in Flash, Run in RAM from the
Dynamic C Options > Project Options > Compiler menu to store the code in flash
and copy it to the fast program execution SRAM at run-time to take advantage of the
faster clock speed. This option optimizes the performance of RCM3900 modules run-
ning at 44.2 MHz.
NOTE: Do not depend on the flash memory sector size or type in your program logic.
The RCM3900 and Dynamic C were designed to accommodate flash devices with
various sector sizes in response to the volatility of the flash-memory market.
Developing software with Dynamic C is simple. Users can write, compile, and test C and
assembly code without leaving the Dynamic C development environment. Debugging occurs
while the application runs on the target. Alternatively, users can compile a program to an
image file for later loading. Dynamic C runs on PCs under Windows 2000 and later—see
Rabbit’s Technical Note TN257, Running Dynamic C With Windows Vista, for
additional information if you are using a Dynamic C release prior to v. 9.60 under Windows
Vista. Programs can be downloaded at baud rates of up to 460,800 bps after the program
compiles.
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