參數(shù)資料
型號: 101-1070
廠商: Rabbit Semiconductor
文件頁數(shù): 2/160頁
文件大?。?/td> 0K
描述: KIT DEV RABBIT RCM3305 INTL
標準包裝: 1
系列: RabbitCore 3000
類型: MPU 模塊
適用于相關產(chǎn)品: RCM3305
所含物品: RabbitCore 模塊,開發(fā)板,纜線和 Dynamic C? CD-Rom
4
RabbitCore RCM3305/RCM3315
1.2 Comparing the RCM3309/RCM3319 and RCM3305/RCM3315
We can no longer obtain certain components for the RCM3305/RCM3315 RabbitCore
modules that support the originally specified -40°C to +70°C temperature range. Instead of
changing the design of the RCM3305/RCM3315 RabbitCore modules to handle available
components specified for the original temperature range, we decided to develop a new
product line — the RCM3309/RCM3319 — based on the RCM3900 RabbitCore modules
that were released for the same reason.
The RCM3309/RCM3319 modules are similar in form, dimensions, and function to the
RCM3305/RCM3315 modules. We strongly recommend that existing RCM3305/3315
customers and designers of new systems consider using the new RCM3309/RCM3319
RabbitCore modules.
This section compares the two lines of RabbitCore modules.
Temperature Specifications
— RCM3305/RCM3315 RabbitCore modules manufac-
tured after May, 2008, are specified to operate at 0°C to +70°C. The RCM3309/
RCM3319, rated for -40°C to +85°C, are offered to customers requiring a larger
temperature range after May, 2008.
Maximum Current
— The RCM3305/RCM3315 draws 250 mA vs. the 325 mA
required by the RCM3309/RCM3319.
LEDs
— The SPEED and user (USR/BSY)LED locations have been swapped between
the RCM3305/RCM3315 and the RCM3309/RCM3319, the LNK/ACT LEDs have
been combined to one LED on the RCM3309/RCM3319, and the RCM3309/RCM3319
has an FDX/COL LED instead of the SF LED on the RCM3305/RCM3315. The SF
LED on the RCM3305/RCM3315 blinks when data are being written to or read from
the serial flash. The FDX/COL LED on the RCM3309/RCM3319 indicates whether the
Ethernet connection is in full-duplex mode (steady on) or that a half-duplex connection
is experiencing collisions (blinks).
NOTE: The change in LED indicators means that there is no indication on the
RCM3309/RCM3319 when data are being written to or read from the serial flash.
Ethernet chip.
A different Ethernet controller chip is used on the RCM3309/RCM3319.
The Ethernet chip is able to detect automatically whether a crossover cable or a straight-
through cable is being used in a particular setup, and will configure the signals on the
Ethernet jack interface.
Dynamic C
— As long as no low-level FAT file system calls were used in your applica-
tion developed for the RCM3305/RCM3315, you may run that application on the
RCM3309/RCM3319 after you recompile it using Dynamic C v. 9.60.
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