參數(shù)資料
型號(hào)： 20-101-0404
廠商： Rabbit Semiconductor
文件頁(yè)數(shù)： 32/80頁(yè)
文件大小： 0K
描述： MODULE RABBITCORE RCM2000
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： RCM2000
產(chǎn)品目錄頁(yè)面： 620 (CN2011-ZH PDF)
其它名稱： 316-1083
34
RabbitCore RCM2000
4.6 Memory
4.6.1 SRAM
The RCM2000 is designed to accept 32K to 512K of SRAM packaged in an SOIC case.
4.6.2 Flash EPROM
The RCM2000 is also designed to accept 128K to 512K of flash EPROM packaged in a
TSOP case.
NOTE: Rabbit recommends that any customer applications should not be constrained by
the sector size of the flash EPROM since it may be necessary to change the sector size
in the future.
Writing to arbitrary flash memory addresses at run time is also discouraged. Instead,
define a “user block” area to store persistent data. The functions writeUserBlock and
readUserBlock
are provided for this.
A Flash Memory Bank Select jumper configuration option based on 0
surface-mounted
resistors exists at header JP3. This option, used in conjunction with some configuration
macros, allows Dynamic C to compile two different co-resident programs for the upper
and lower halves of the 512K flash in such a way that both programs start at logical
address 0000. This is useful for applications that require a resident download manager and
a separate downloaded program. See Technical Note 218, Implementing a Serial Download
Manager for a 256K Flash
, for details.
4.6.3 Dynamic C BIOS Source Files
The Dynamic C BIOS source files handle different standard RAM and flash EPROM sizes
automatically.
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