co2128-48li-3sp Connect One Ltd., co2128-48li-3sp Datasheet - Page 31

• Manufacturer Part Number: co2128-48li-3sp
• Description: Chip? Co2064, Co2128 And Co2144 Are Full-featured Programmable Ip Communication Controller? Chips That Act As Coprocessors To Offload Security And Ip Connectivity Tasks From Any Host Processor.
• Manufacturer: Connect One Ltd.

Connect One
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The active device exchanges several handshaking transmissions with iChip to establish a
connection, then uploads the firmware. Upon completion, iChip automatically boots from the
uploaded application.
5.2.3 Default Parameter Values
iChip accepts local default parameter values via an upload following the firmware upload.
After receiving a firmware upload following the power-up sequence, iChip‘s parameters are
set to the factory default values. A dedicated upload may optionally follow the firmware
upload with different default values for specific parameters. The upload source (whether
passive or active) may be the same as the firmware source or a different one.
5.2.4 Operation
All iChip Internet and parameter operations are controlled by AT+i commands.
5.2.4.1 Transparent Mode
In modem communications mode, iChip defaults to transparent mode, allowing the hos t to
control the modem device directly. Control is implemented by issuing standard AT commands
to iChip. In this mode, iChip transparently echoes the AT commands to the modem, as well
as echoing the modem responses back to the host. iChip supports interlac ing AT+i and AT
commands while the modem is in command mode. When the modem is put into data mode
by issuing a dial command, transparent mode is sustained throughout the data mode session.
5.2.4.2 Command Mode
iChip commands are implemented using the AT+i command set. Command flow exists only
on the link between the host and iChip.
iChip CO2064/CO2128/CO2144 Data Sheet
SPI
Two-wire
USB host or device
High speed parallel
Ethernet
Figure 5-1: iChip Firmware Upload Sources
Preliminary
Functional Description
5-3