HyperTransport
technology is a highspeed, low-latency, point-to-point
link for interconnecting integrated circuits
(ICs) on a board. It is a packet-based link
implemented on two independent unidirectional
sets of wires. HyperTransport tunnel is a popular
topology with dual HyperTransport links which
allows daisy chaining of tunnel devices to create
an IO channel, connecting multiple I/O devices
to a host system. GDA's HyperTransport Tunnel
core, is designed for reuse and it's flexible
backend interface makes it easy to be integrated
into wide range of applications. The core provides
highly scalable upstream and downstream bandwidths
through programmable link widths and frequencies.
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Features |
- Proven
design compliant with HyperTransport
I/ O
Link Specification, Version 1.03
- Provides dual HyperTransport
links
- Either link can be
hardware configured for 16- bit or
8- bit link interface
- Either link supports
software programmable link
widths of 16, 8, 4, or 2bits.
- Either link can be
configured as upstream Either link supports
800, 600, 500, 400, or 200 MHz
Link frequency
- Maximum bandwidth
is 6.4 GB/sec on both links
Supports independent link width and
frequency for
each link
- Supports link disconnect
protocol
- Supports external and
internal loop backs on both HyperTransport
links
- Optional transaction
interface provides target and initiator
interfaces Optional packet interface
for network applications
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