Spectrum Brands Quad C6x VME64 - Manual (Page 14)

Monaco Technical Reference Spectrum Signal Processing
Introduction
2 Part Number 500-00191
Revision 2.00
1.2. Interfaces
In addition to the VME bus which provides the primary interface to the host computer,
the Monaco board features PMC, PEM, serial port, DSP~LINK3 and JTAG interfaces.
1.2.1. VME
Two VMEbus interfaces are provided on the Monaco board. The primary dataflow
interface supports VME64 master and slave modes for fast data transfer through the
SCV64 interface chip.
A secondary interface gives the VME A24 bus direct access to the Host Port Interface
(HPI) of each ‘C6x. This provides direct control and data transfer to and from the DSP
without interfering with dataflow on the Monaco’s Global Shared Bus.
1.2.2. PMC
The Spectrum Hurricane PCI bridge chip supports high-speed data transfer from an on-
board PMC site to the shared memory. The industry-standard IEEE-1386 PMC module
site allows developers to select from a wide variety of third-party modules.
1.2.3. PEM
Four independent high-speed, full-bandwidth, bi-directional, dataflow channels between
standard mezzanine boards (Processor Expansion Modules, or PEMs) and the ‘C6x
processors are supported. Application-specific interfaces, mounted to the PEM, are
available for computer telephony, digital radio as well as customer-specified interfaces.
1.2.4. Serial Ports
Two serial ports from each ‘C6x are available at each PEM site for on-board I/O
expansion. For each ‘C6x, one of the serial ports is always routed to the PEM site, the
second can be routed to either the PEM site or the VME P2 connector.
1.2.5. JTAG
The secondary VME interface allows access to the on-board JTAG Test Bus Controller
(TBC) from a host single-board computer for diagnostic purposes.