MICROPROCESSOR
CORE MODULE
RABBITCORE
RCM3700 SERIES
®
The RabbitCore RCM3700 series extends beyond standard
serial to Ethernet devices by providing up to six serial ports
along with a rich embedded I/O control feature set such as
PWM and Quadrature Decoder Inputs. Additionally, the
modules include a backup battery for protected data storage
and for the real-time clock.
The software environment for the RCM3700 series offers an
excellent platform for developing applications with web server
capabilities, especially for remote monitoring and control.
With a 1 MB on-board serial Flash, the RCM3700 series can
store additional web pages or be used as a datalogger.
Family of compact modules comes in three versions with varying memory
sizes, providing a cost-competitive multi-serial to Ethernet solution
The RCM3700 easily mounts onto a user-designed
motherboard, making it ideal for new and existing
applications. With an integrated hardware and software
solution, the RCM3700 series ensures your product gets to
market faster with lower development costs.
BENEFITS
– Up to 4 serial ports for multiple device connectivity
– 10Base-T with optional 10/100Base-T Ethernet
– Up to 512K Flash for code and up to 512K SRAM
for data
– 1 MB of on-board serial Flash utilizing FAT file
support for reliable data storage
– Embedded web server capability for remote
monitoring and control
– Exceptionally fast performance for math, logic
and I/O
APPLICATION EXAMPLE
Ethernet
PATIENT/NURSE
TRACKING SYSTEM
TRACKING
INTERFACE BOX
HOSPITAL TRACKING SYSTEM
ZigBee-
Equipped
Hospital Bed
XBEE®
MODULE
RABBITCORE®
RCM3700
RELATED PRODUCTS
ZigBee-
Equipped
Hospital Bed
RabbitCore®
RCM3000
Series
Rabbit
MiniCore®
RCM6700
RabbitCore®
RCM3209
Series
RabbitCore®
RCM3600
Series
Dynamic C®
XBEE®
MODULE
Emergency
ZigBee Pager
with ZigBee
Interface via RS-232
SOFTWARE
The Dynamic C® integrated development environment reduces
the time and effort to write real-time software for embedded
systems that use a Rabbit microprocessor, enabling easy
development of a wide range of applications.
Rabbit products and Dynamic C integrate editing, compiling,
linking, loading and debugging into a single development
environment as one function. There are no compatibility
issues when moving from one stage to another. Once the
design is complete, you can debug it on the target hardware
and see how your code works. Because it is a dialect of C, the
Dynamic C language has all the statements and constructions
of traditional C, plus extensions that make it easier to write
reliable, real-time multi-tasking software. The Dynamic C
integrated development environment allows for easy hardware
migration, moving from a single-board computer to chip level
production.
Dynamic C also includes highly useful software components
that can add functionality and value to your applications. This
functionality includes web server capability, filing system,
remote firmware updates, and wired and wireless security.
Compatible software components are listed below.
SOFTWARE COMPONENTS
COMPONENT
RABBITWEB
RabbitWeb
DESCRIPTION
System of HTML tags used to easily create web interfaces to
monitor and control embedded applications
Allows for remote firmware updates from anywhere in the
world using an Internet connection
Popular network-accessible file system for flashed
based memories
The industry standard for web security in embedded
applications
128-bit encryption for transferring sensitive data
REMOTE PROGRAM UPDATE (RPU)
FILE ALLOCATION TABLE (FAT)
FAT
SECURE SOCKETS LAYER (SSL) /
TRANSPORT LAYER SECURITY (TLS)
ADVANCED ENCRYPTION STANDARD (AES)
SSL
AES
RABBITCORE® RCM3700 DEVELOPMENT KIT
THE RCM3700 DEVELOPMENT KIT CONTENTS:
– RCM3700 module
– Prototyping board with standoffs/connectors
– USB cable to program RCM3700 via interface board
– Universal power supply
– Dynamic C CD-ROM, including product documentation on disk
– Getting Started instructions
– Registration card
WWW.DIGI.COM
SPECIFICATIONS
FEATURES
RabbitCore® RCM3700 Specifications
RCM3700
Low-EMI Rabbit® 3000 at 22 MHz
10Base-T interface, RJ-45, 2 LEDs
512K
512K
1 MB
Connection for user-supplied backup battery (to support RTC and SRAM)
33 parallel digital I/0 lines:
• 31 configurable I/O
• 2 fixed outputs
Reset
Can be configured for 8 data lines and 5 address lines (shared with parallel I/O lines), plus I/O read/write
Four 3.3V CMOS-compatible ports configurable as:
• 4 asynchronous serial ports (with IrDA) or
• 3 clocked serial ports (SPI) plus 1 HDLC (with IrDA) or
• 1 clocked serial port (SPI) plus 2 HDLC serial ports (with IrDA)
Maximum asynchronous baud rate = CLK/8
A slave port allows the RCM3700 series to be used as an intelligent peripheral device slaved to a master processor,
which may either be another Rabbit 3000 or any other type of processor
Yes
Ten 8-bit timers (6 cascadable, 3 reserved for internal peripherals), one 10-bit timer with 2 match registers
Yes
4 PWM output channels with 10-bit free-running counter and priority interrupts
2-channel input capture can be used to time input signals from various port pins
• 1 quadrature decoder unit accepts inputs from external incremental encoder modules or
• 1 quadrature decoder unit shared with 2 PWM channels
4.75–5.25 VDC 100 mA @ 22.1 MHz, 5V; 78 mA @ 11.05 MHz, 5V
–40° C to +70° C
5% to 95%, non-condensing
One 2 x 20, 0.1” pitch
1.20” × 2.95” × 0.89” (30 mm × 75 mm × 23 mm)
256K
128K
512K
256K
RCM3710
RCM3720
MICROPROCESSOR
ETHERNET PORT
FLASH MEMORY
SRAM
SERIAL FLASH MEMORY
BACKUP BATTERY
GENERAL-PURPOSE I/O
ADDITIONAL I/O
EXTERNAL I/O BUS
SERIAL PORTS
SERIAL RATE
SLAVE INTERFACE
REAL-TIME CLOCK
TIMERS
WATCHDOG/SUPERVISOR
PULSE-WIDTH MODULATORS
INPUT CAPTURE/ QUADRATURE
DECODER
POWER
OPERATING TEMPERATURE
HUMIDITY
CONNECTORS
BOARD SIZE
PART NUMBERS
20-101-1305
20-101-1328
20-101-1329
DESCRIPTION
RCM3700
RCM3710
RCM3720
DIGI SERVICE AND SUPPORT /
You can purchase with confidence knowing that Digi
is always available to serve you with expert technical support and our industry
leading warranty. For detailed information visit www.digi.com/support.
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