CYCLONEMAX Freescale Semiconductor, CYCLONEMAX Datasheet - Page 71

• Manufacturer Part Number: CYCLONEMAX
• Description: CYCLONE MAX FLASH PROGRAM
• Manufacturer: Freescale Semiconductor
• Series: ColdFire®r
• Type: FLASHr

Specifications of CYCLONEMAX

• Contents: Programmer/Debugger
• Positions/sockets: 1
• Description/function: Programmer, Debugger
• Silicon Family Name: MPC5xx
• Core Architecture: Coldfire, Power Architecture
• Core Sub-architecture: Coldfire V2, Power Architecture
• Rohs Compliant: Yes
• For Use With/related Products: MPC5xx / 55xx
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8.4
8.4.1
Cyclone MAX User Manual
Connecting the Cyclone Device
Connecting the Cyclone to the PC over a network
different vendors by a “ network of networks,” which as become what is known
as the Internet today.
The primary purpose of the TCP/IP protocol was to prevent a complete
network outage in the case of a nuclear attack, by automatically rerouting
data traffic through the functioning part of the network. As such, the TCP/IP
mechanism guaranteed delivery of data packets by introducing a system of
acknowledgments and sequence numbers for the data packets. This
mechanism, which good for transacting large amounts of data (such as email
or file transfers), is unsuitable in the real-time type environment in which the
Cyclone operates. Because the Cyclone needs to transact data as quickly as
possible to the target, it takes advantage of TCP/IP’ s alternative, the UDP/IP
protocol.
Unlike TCP/IP, the UDP/IP protocol is a connectionless, single-packet
protocol that sends short data packets at the expense of not guaranteeing
their delivery. This makes the UDP/IP protocol efficient in real-time
applications such as broadcasting video over the Internet, where the
occasional loss of a frame of data is not going to hamper the overall viewing
experience. Left unmodified, the UDP/IP, with its lack of guarantees for
packet delivery, would be unusable in an environment where the delivery of a
single byte of data needs to be guaranteed. The Cyclone firmware adds
mechanisms to the UDP/IP protocol, without affecting its underlying
efficiency, to guarantee delivery of data packets.
There are two methods for establishing a connection between a Cyclone and
a PC with an Ethernet cable. The most basic method is to connect the
Cyclone directly to a PC, via a cross-over Ethernet cable. However, the more
common method is to place the Cyclone and the PC on the same network
through a Hub.
The Cyclone was intended for use on a network of multiple computers (and
other Cyclones). There are many possible network configurations, and to
describe them all is beyond the scope of this document. However, most
configurations are a modification of a basic theme, which is that of connecting
one or more PCs through a Hub to one or more Cyclones. In order to connect
these devices to the Hub, you will need to use the provided straight-through
Ethernet cable. The straight-through cable, which is the “ standard” Ethernet
CYCLONE MAX
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