Connect One’s iChip CO2128SEC is a full-featured programmable Internet Protocol (IP) communication controller chip that acts as a coprocessor to offload security and IP network connectivity tasks from any host processor.
The IP controller is designed to enable devices to achieve secure, high-speed throughput and access to IP networks via 10/100Base-T or 802.11b/g wireless LANs, cellular or dial-up modems. According to the manufacturer, only one man-month is typically needed for hardware engineering and adding IP connectivity commands to the target application.
The CO2128SEC’s firmware supports up to 10 simultaneous active TCP/UDP, two listening sockets and a secure SSL3/TLS1 socket. Security features include a true hardware random number generator, SHA-1/256 secure hash accelerator, AES-128/192/256 encryption accelerator, 3DES, SSL3/TLS1, WEP, WPA and WPA2 WiFi encryption. The device can be configured to route IP packets between a LAN/WiFi and dial-up/cellular platform when in iRouter mode. Multiple iChips can create an ad hoc network that does not require an access point. The CO2128SEC stores its Internet protocol stack and configuration parameters in the host’s memory.
The firmware can run from external Flash or it can be loaded locally via RS232, two-wire, SPI or USB interfaces. Firmware can be updated remotely via FTP or HTTP sockets. The chip includes a 32-bit ARM7TDMI RISC processor, 256 KB SRAM and a bus to access external memory or communication devices. The integrated boot loader enables the host to load the firmware via any of the interfaces provided.
The chip’s peripheral set includes a 10/100Base-T Ethernet MAC with RMII; two USARTs; two SPI, two-wire, HPI and EBI high-speed parallel interfaces. The CO2128SEC features several power save modes for energy savings and can shut down blocks not in use. It comes in a 128-pin LQFP RoHS-compliant package, has an internal 1,2 V LDO power supply and operates in the industrial temperature range.
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