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ScanMaster PCI - PCI Boundary Scan Controller
Key Features
- High performance, 32-bit plug & play PCI based controller
- Fast throughput of up to 25 Mbits/sec
- 100 MHz system clock and up to 35 MHz programmable TCK rate
- Adaptive Clocking™ technology
- 32 general purpose fully programmable parallel I/O channels
- 2 MB cache multi-page memory behind TDI/TDO
- Two 24 bit analog channels
- Supports standard vector formats SVF, JAM/STAPL, IEEE 1532
- Programmable logic levels (1.8V to 5.0V)
- Configurable to service up to 16 individual scan chains or targets
Description
ScanMaster™ is a powerful, high speed JTAG (IEEE 1149.1) controller designed for use
in design verification, production test, and on-board device programming applications.
Utilising its proprietary JPCI™ bus-master with high speed cache memory behind
TDI and TDO, Adaptive Clocking™ technology (see below), and a 32-bit PCI bus architecture, ScanMaster
eliminates bottlenecks to data delivery. This is critical to applications like Flash programming
where large amounts of data must be processed and delivered. From the exchange of data with the
host computer through to delivery of vectors to targets, ScanMaster has been designed for high
bandwidth, which enables delivery of data at speeds up to 25 Mbits/Sec.
Adaptive Clocking™
Adaptive Clocking eliminates instabilities typically associated with boundary scan (JTAG) operation
at high clock rates (TCK) due to path delays. This proprietary and patented design compensates for
path delays allowing the JPCI controller to operate at the maximum TCK rate supported by the target
devices, and with up to 15 meters of cable between the JPCI controller and target devices. Without
Adaptive Clocking, users are forced to either reduce cable length, leading to impractical set-ups
which pose extreme limitation on application of Boundary Scan in a real production environment, or
reduce TCK rate, which will in turn reduce throughput.
ScanMaster Operating Environments
ScanNavigatorâ„¢ Run Time Environment features a comprehensive Graphical
User Environment for ScanMaster setup and runtime control. Through the ScanNavigator RTE, ScanMaster
executes boundary scan test and on-board programming routines and can easily be set up to perform
conditional looping and branching operations - a critical feature for program debug and execution of
diagnostic routines. ScanMaster can also be controlled through DLL calls using test executives such
as National Instruments' TestStand and Teradyne's TestStudio, or through direct API access with
language-based programming.
More Information
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