Description: A red circuit board indicates ROHS (no lead). The RCM3720 has less SRAM memory than the RCM3700 otherwise they are the same. The RCM3720 has 256K SRAM while the RCM3700 has 512K SRAM IF YOU BUY 24 CORES I WILL INCLUDE A FREE DEVELOPMENT BOARD AS SHOWN IN THE LAST PICTURE. Please ask for the development board as I only have a few and want to send them to people who really need them. You can download for free from the digi.com website a C compiler, assembler, debugger and dashboard. Select Dynamic C ver 9.62. Each core has been individually checked by running 4-5 sample programs provided with Dynamic C. In particular, the ENet and mass storage serial flash EEROM have been checked. The cores are currently stored in trays and will be repackaged for shipment. Shipping is $8.50 for the 1st core and $1.00 for each additional core. Shipping is for the continental US via USPS Priority Mail. The RCM37XX is a compact module that incorporates the latest revision of the powerful Rabbit® 3000 microprocessor, flash memory, onboard serial flash, static RAM, and digital I/O ports. The RCM37XX features an integrated 10/100Base-T Ethernet port that provides for LAN and Internet-enabled systems. The RCM37XX has a Rabbit 3000 microprocessor operating at 22.1 MHz, static RAM, flash memory, two clocks (main oscillator and real-time clock), and the circuitry necessary for reset and management of battery backup of the Rabbit 3000's internal real-time clock and the static RAM. One 40-pin header brings out the Rabbit 3000 I/O bus lines, parallel ports, and serial ports. The RCM37XX receives regulated DC power from the customer-supplied motherboard on which it is mounted. The RCM37XX can interface with all kinds of CMOS-compatible digital devices through the motherboard. RCM37XX Series Features: * Small size: 1.20" x 2.95" x 0.89" (30 mm x 75 mm x 23 mm) * Microprocessor: latest revision of Rabbit 3000 running at 22.1 MHz supports Dynamic C Secure Sockets Layer (SSL) module for added security * 33 parallel 5 V tolerant I/O lines: 31 configurable for I/O, 2 fixed outputs * External reset I/O * Alternate I/O bus can be configured for 8 data lines and 5 address lines (shared with parallel I/O lines), I/O read/write * Ten 8-bit timers (six cascadable) and one 10-bit timer with two match registers * 10/100Base-T RJ-45 Ethernet port * 512K flash memory and 512K SRAM (options for 256K flash memory and 128K SRAM) * 1 Mbyte serial flash memory, which is required to run the optional Dynamic C FAT file system * Real-time clock * Watchdog supervisor * Provision for customer-supplied backup battery * 10-bit free-running PWM counter and four pulse-width registers * Two-channel Input Capture can be used to time input signals from various port pins * Two-channel Quadrature Decoder accepts inputs from external incremental encoder modules * Four available 3.3 V CMOS-compatible serial ports: maximum asynchronous baud rate of 2.76 Mbps. Three ports are configurable as a clocked serial port (SPI), and one port is configurable as an HDLC serial port. Shared connections to the Rabbit microprocessor make a second HDLC serial port available at the expense of two of the SPI configurable ports, giving you two HDLC ports and one asynchronous/SPI serial port. * Supports 1.15 Mbps IrDA transceiver There are three versions of the RCM37XX: Module Type RCM3700 RCM3720 RCM3710 Flash Memory 512K 512K 256K SRAM 512K 256K 128K
Price: 35 USD
Location: Woodland, California
End Time: 2024-03-07T17:21:10.000Z
Shipping Cost: 8.5 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Brand: Digi International, Inc.
Model: RCM3720
MPN: RCM3720
Country/Region of Manufacture: United States
