Sundance SMT300Q v.1.6 - Manual (Page 8)

User Manual (QCF42); Version 3.0, 8/11/00; © Sundance Multiprocessor Technology Ltd. 1999
1 Introduction
The SMT300Q is a quad-site module carrier board that provides access to TIM
modules over the CompactPCI bus.
The carrier can hold up to four ‘C6x modules and these can exchange data using
ComPorts. A ComPort routing matrix, using electronic “quick switches”, is provided to
allow module connectivity without external cables.
The first TIM on the carrier is known as the “Master Module” and an enhanced
CompactPCI interface allows data packets to be exchanged between this module
and the CompactPCI bus at burst speeds in the range of 60–100MB/s. The DSP has
access to the CompactPCI Bridge internal registers to control DMAs, mailbox events,
and interrupts.
1MB of SRAM is mapped on to the Global Bus and can be accessed as a global
resource by the Host system across the CompactPCI Bridge or by the Master
Module.
An on-board JTAG controller allows systems to be debugged using Code Composer
Studio. This JTAG controller also has buffered outputs and inputs that can be
accessed using connectors on the carrier’s back panel. This allows off-board devices
to be connected into the JTAG chain.
Headers are provided for RESET_IN and RESET_OUT to allow multiple SMT300Q
carriers to be connected together and synchronised.
The board requires a 3.3-volt supply that is taken from the CompactPCI connector
and is made available at the fixing pillars for each module.
The SMT300Q may also be used with ‘C4x-based TIMs. When using these ‘C4x
modules you must ensure that a Master ‘C4x Module does not use its global memory
(if any is available) as this will prevent the SMT300Q from working.
If your SMT300Q does not have the Global Interface connector fitted (an ordering
option), the Master Module will still be able to use its global bus resources. The
module will not have access to the SMT300Q global resources, such as SRAM and
CompactPCI Bridge, but full ComPort and JTAG control will still be available.