STMicroelectronics Delivers Free TCP/IP Stack for STR91x Designers
March 10, 2008 // Published as a news service by IHS
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STMicroelectronics (ST) has made the NicheLite transmission control protocol/Internet protocol (TCP/IP) stack available free of charge with its STR91x 32 b Flash microcontrollers (MCUs) featured for networking applications.
Compared with other third-party stacks, NicheLite is also royalty-free, ST said, which helps manufacturers predict and manage their production costs.
NicheLite targets development of applications requiring Ethernet connectivity. With a memory footprint of less than 12 KB, NicheLite delivers memory efficiency, low cost and power savings in embedded systems, ST said.
Features include a compact TCP layer for simple memory management, data copy prevention, low memory usage and high data throughput.
The NicheLite IP layer supports one hardware interface and is compatible with Internet, e-mail and network-management protocols also available from InterNiche.
These include NicheStack point-to-point protocol (PPP), file transfer protocol (FTP), Telnet server, hypertext transfer protocol (HTTP) server, dynamic host configuration protocol (DHCP) server, e-mail, and simple network management protocol (SNMP).
Other protocols supported include address resolution protocol (ARP), Internet control message protocol (ICMP), user datagram protocol (UDP) and client bootstrap protocol (BOOTP).
Customers developing applications for the STR91x family can implement NicheLite at no charge, with the option to purchase support from InterNiche as required. Included with the stack is the NicheTool debugging and tuning software suite, which provides porting and optimization capabilities.
STR91x MCUs are available in 80 and 128 low profile quad flat pack (LQFP) packages and 144 pin ball grid array (BGA) packages, with up to 544 KB of on-chip Flash and a maximum 96 KB random access memory (RAM).
Source: STMicroelectronics (ST).