CMX Systems offers embedded software suite for Freescale Kinetis Cortex-M4 processor families

Jacksonville, FL - December 10, 2010 - CMX Systems, well-known designer of real-time operating systems, TCP/IP, Flash File Systems and USB software, will now offer two RTOSes, two TCP/IP stacks, five Flash File Systems and USB support for Freescale Kinetis Cortex-M4 microcontroller families.

CMX-RTX™ is a truly preemptive, multi-tasking RTOS offering one of the smallest footprints, fastest context switching, and lowest interrupt latency times available on the market today. RTOS functionality provided in CMX-RTX includes: task, message, queue, system, event, memory, resource, semaphore, and timer management. CMX-RTX includes an intuitive Windows GUI which simplifies RTOS configuration.

The CMX-Tiny+™ real time multi-tasking operating system is a very “lean and mean” kernel for those processors that have a small amount of RAM embedded on the processor’s silicon (minimum of 512 bytes and higher.) This unique RTOS, based on a scaled down version of the popular CMX-RTX, retains most of the power of CMX-RTX as well as the more frequently used functions. ROM requirements are approximately 1K minimum to 3K maximum.

CMX-MicroNet™ is a TCP/IP stack specially crafted to work with virtually all processors and features an extremely small Flash requirement ranging from 5K to 28K and very minimal RAM requirements of about 500 bytes plus buffers for packets. The base CMX-MicroNet software package includes UDP, TCP, IP, Modem, SLIP, ICMP Echo, IGMP, and Virtual File system. Add-On Options available are: SSL/TLS, HTTP Web Server, DNS Client, FTP, SMTP, SNMP, DHCP Client, TFTP Client, SNTP, Fragmentation, POP3, PPP, CHAP, Telnet, Ethernet (ARP, BOOTP) and Wireless.

CMX-TCP/IP™ is a full-featured, 100% RFC compliant, TCP/IP stack targeted at 16- and 32-bit processors and provides virtually all of the protocols, link layers, interfaces, and device drivers required for most networking applications. The basic CMX TCP/IP stack provides: UDP, TCP, IP, ICMP, IGMP, DNS, ARP, SLIP, Ethernet, an RTOS porting layer, a Standard BSD socket interface and a High Performance Socket Interface. Add on options include: DHCP, IMAP4, FTP, NAT, POP3, PPP, PPPoE, SMTP, SNMP, Telnet Server, TFTP/BOOTP, Web Client ,Web Server, SSL/TLS and Wireless.

CMX-USB™ is a suite of modular USB Host, Device and OTG software providing a “one stop” solution for designs requiring USB connectivity. All CMX-USB Host and Device stacks offer support for HID, Mass Storage, CDC, Audio, ECM and RNDIS Classes, OTG Switching and a Bootloader option. The CMX-USB Host is available with Add On options including; Audio Class, MIDI Class, OBEX Class and FTDI driver. The CMX-USB device stack offers MTP Class support and Reliable File Interface for storage devices.

CMX also offers a variety of Flash File Systems, including; CMX-FFS-FAT™, a FAT 12/16/32 compatible file system supporting standard media; CMX-FFS-SAFE-FAT™, a FAT compatible file system with Failsafe; CMX-FFS-THIN™, a scalable, reduced footprint FAT file system designed for integration with 8-bit or 16-bit embedded processors with limited resources; CMX-FFS™, a 100% Failsafe flash file system and CMX-FFS-TINY™, a limited resource failsafe file system available in configurations for RAM, Small Sector Byte Writeable Flash, Atmel DataFlash and ST Serial Flash for Data.

CMX TCP/IP stacks, USB stacks and file systems can operate with or without an RTOS.

About CMX Systems, Inc.:

Since its inception in 1990, CMX Systems has focused on providing its customers with all of the tools needed to program their embedded applications. The company’s core business is to develop and support real-time, multi-tasking operating systems (RTOS), TCP/IP stacks, Flash File Systems, USB stacks and the CANopen stack for a wide variety of 8-bit, 16-bit, and 32-bit microcomputers, microprocessors, and digital signal processors. The company’s RTOSes support more than 50 processor families and over 30 C-compiler vendors. CMX also offers the tiny CMX-MicroNet, which is a unique TCP/IP stack that is targeted for 8-, 16-, 32-bit and DSP processors with limited ROM and/or RAM, and CMX TCP/IP, a full-featured TCP/IP stack designed for 16-, 32-bit and DSP processors. CMX additionally offers five different Flash File Systems to best meet the memory management needs of embedded developers. CMX-USB is offered for designers wishing to add USB connectivity to their products. For more information, please visit CMX Systems’ website at

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