TN263

Updating Your Application from the RCM3200/RCM3220 to the RCM3209/RCM3229

Introduction

Rabbit is changing our product offerings to respond to both market requirements and the components available to us.

We can no longer obtain certain components for the RCM3200/RCM3220 RabbitCore modules that support the originally specified -40°C to +70°C temperature range. Instead of changing the design of the RCM3200/RCM3220 RabbitCore modules to handle available components specified for the original temperature range, we decided to develop a new product line — the RCM3209/RCM3229 — based on the RCM3900/RCM3910 RabbitCore modules that were released for the same reason.

We are introducing the RCM3209/RCM3229 RabbitCore modules in June, 2008. These new modules are similar in form, dimensions, and function to the RCM3200/3220 modules. We strongly recommend that existing RCM3200/3220 customers and designers of new systems consider using the new RCM3209/RCM3229 RabbitCore modules.

This Technical Note compares the two series of RabbitCore modules, and provides complete information on how to port your application developed for the RCM3200/RCM3220 to the equivalent RCM3209/RCM3229 RabbitCore modules.

Comparing the RCM3200/RCM3220 and the RCM3209/RCM3229

Temperature Specifications

RCM3200/RCM3220 RabbitCore modules manufactured after May, 2008, are specified to operate at 0°C to +70°C. The RCM3209/RCM3229, rated for -40°C to +85°C, are available starting in June, 2008.

Ethernet Chip

A different Ethernet controller chip is used on the RCM3209. 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. The RCM3229, like the RCM3220, has no Ethernet interface.

Maximum Current

The RCM3200/RCM3220 draws 255 mA vs. the 325 mA required by the RCM3209 (with Ethernet) or 190 mA (RCM3229 without Ethernet).

LEDs

The LNK/ACT LEDs have been combined to one LED on the RCM3209, and the RCM3209 has an FDX/COL LED where the ACT LED was on the RCM3200. The RCM3229, like the RCM3220, has no LEDs and no Ethernet.

Figure 1 compares the RCM3200/RCM3220 and the RCM3209/RCM3229 component layouts. The LED placements on the boards remain unchanged.

Figure 1. RCM3200/RCM3220 and RCM3209/RCM3229 LED Layouts

Dynamic C

You may run your application developed for the RCM3200/RCM3220 on the RCM3209/RCM3229 after you recompile it using Dynamic C v. 9.60 or later.

Dynamic C v. 9.60 now has many of the previously optional modules included in the standard release. Table 1 compares the Dynamic C features available for the two series of RabbitCore modules.

Table 1. Comparison of Dynamic C Resources

Dynamic C	RCM3200/RCM3220	RCM3209/RCM3229
Standard Release	v. 9.21	v. 9.60
Optional Modules (purchased separately)	FAT File System RabbitWeb Point-to-Point Protocol (PPP) Simple Network Management Protocol (SNMP) µC/OS-II Real-Time Kernel Library Encryption Executable Modbus TCP	Included in Standard Release
Optional Security Modules (purchased separately)	Advanced Encryption Standard (AES) Secure Sockets Layer (SSL)	Rabbit Embedded Security Pack
Other Optional Modules (available separately)	Rabbit Field Utility source code One-Year Telephone Technical Support Subscription	Rabbit Field Utility source code One-Year Telephone Technical Support Subscription

Summary

Table 2 summarizes the features for the two series of RabbitCore modules.

Table 2. Feature Comparison

Parameter	RCM3200	RCM3220	RCM3209	RCM3229
Ethernet Port	10/100Base-T, RJ-45, 3 LEDs	—	10/100Base-T, RJ-45, 3 LEDs	—
SRAM	512K program (fast SRAM) + 256K data		512K program (fast SRAM) + 256K data
Flash Memory (program)	512K		512K
Operating Temperature	-40°C to +70°C (up to May, 2008) 0°C to +70°C (after May, 2008)		-40°C to +85°C
Operating Temperature	-40°C to +70°C		-40°C to +85°C
Board Size	1.850" × 2.725" × 0.86" (47 mm × 69 mm × 22 mm)
Dynamic C	v. 9.21 (standard release)		v. 9.60 (standard release)

NOTE	The RCM3210 was discontinued in July, 2004, and is no longer offered. Therefore, there is no replacement for it.