co661al-s Connect One Ltd., co661al-s Datasheet - Page 8

• Manufacturer Part Number: co661al-s
• Description: The Co661al-s Ichip? Internet Controller? Is Part Of A Family Of Intelligent Peripheral Devices That Provides Internet Connectivity Solutions To A Myriad Of Embedded Devices.
• Manufacturer: Connect One Ltd.

Description
The CO661AL-S iChip™ Internet
Controller™ is part of a family of intelligent
peripheral devices that provides Internet
connectivity solutions to a myriad of
embedded devices. iChip CO661AL-S is
designed for use with dial-up and wireless
modems. As an embedded, self-contained
Internet engine, iChip acts as mediator
device between a host processor and an
Internet communications platform. By
completely offloading Internet connectivity
and standard protocols, it relieves the host
from the burden of handling Internet
communications. From the perspective of a
host device, the complexity of establishing
and maintaining Internet-related sessions are
reduced to simple, straightforward
commands that are entirely dealt with within
iChip’s domain.
A serial channel interfaces iChip
CO661AL-S to a device’s host processor via
an on-chip UART. CO661AL-S can also
interface a host processor through an 8-bit
parallel connection with some glue logic.
iChip CO661AL-S directly interfaces a
serial data modem for transparent modem
communication, and also supports
independent communications on the Internet
via a dial-up or wireless connection to an
Internet Service Provider (ISP). iChip
CO661AL-S supports AMPS, CDMA,
CDPD, GPRS, GSM, iDEN, and TDMA
cellular modems.
Available only for 3.3-volt operation,
CO661AL-S includes features not available
on CO561AD-S. It includes a host interface
that supports up to 230 kbps bandwidth in
serial mode and will support a 500
Kbytes/Sec burst rate in parallel mode.
CO661AL-S features power save modes and
will have an extended temperature range
version.
1 Introduction
iChip CO661AL-S Datasheet
Through its host Application Programming
Interface (API), iChip accepts commands formatted
in Connect One's AT+i™ extension to the industry-
standard Hayes AT command set. iChip supports
several levels of status reporting to the host.
Commands are available to store and manipulate
functional and Internet-related non-volatile
parameter data; utilize TCP and UDP sockets;
transmit and receive textual Email messages;
transmit and receive binary (MIME encoded) Email
messages; fetch HTML web pages; manipulate files
and directories via FTP; maintain Telnet sessions
and download parameter and firmware updates for
the host device or iChip itself. iChip includes a Web
server engine that hosts an internal configuration
Web site as well as a customizable application Web
site. iChip also includes a WAP server to host a
WAP site.
When the host CPU issues standard AT commands,
iChip CO661AL-S provides direct access to the
modem by automatically operating in Transparent
mode, emulating a direct host-to-modem
environment. When the host CPU issues AT+i
commands, iChip enters Internet mode and controls
the modem connection to an ISP. iChip provides all
the necessary procedures to log onto an ISP,
authenticate the user and establish an Internet
session. Upon receiving an AT+i command, iChip
independently manages standard Internet protocols
to transmit and receive data over PPP. iChip also
includes a mode known as SerialNET mode, which
eliminates the need to program the host CPU with
AT+i commands, and enables serial-to-Internet
routing.
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