The Corelis CVXI-1149.1 is a VXIbus-based boundary scan controller board for IEEE 1149.1 (JTAG) testing and in-system programming of electronic circuits. It provides a robust interface between the VXIbus and JTAG-compatible targets, enabling comprehensive testing, debugging, and programming without direct physical probing.
## Technical Specifications
• IEEE Standard 1149.1 (JTAG) compliant
• Six independent serial scan test busses
• 64 bits of parallel I/O
• Programmable scan test clock rates
• VXIbus module form factor
• Four-signal cable interface per TAP
## Key Features
• Automated testing of PCB interconnects and functional validation
• Built-In-Self-Test (BIST) command execution on target circuitry
• In-system programming (ISP) of devices within circuit designs
• Fault isolation through access to internal device functions not reachable by external probing
• Precise signal generation under software control
• Multiple independent scan buses for parallel test operations
## Typical Applications
• Production board testing and manufacturing quality verification
• In-circuit device programming and re-programming
• Internal fault diagnostics within integrated circuits
• Debug and validation of circuit board designs prior to deployment
## Compatibility & Integration
The controller integrates directly into VXI chassis via the VXIbus interface. It connects to JTAG-compliant target systems through standard four-signal cables. Operation is controlled through Corelis ScanExpress™ software family. Compatible with any JTAG-compliant target device or system.
