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JTAG/Boundary Scan

日期:2021-06-30 23:49
浏览次数:1801
摘要:

JTAG/Boundary Scan is probably the most ingenious test process,

which like ICT, tests within the circuit and detects structural fault locations by setting thousands of test points, even under BGAs, - with only four test bus lines.

Boundary Scan

essentially means “testing at the periphery (boundaries) of a circuit”. In order to implement this sort of testing, GOEPEL electronic has developed the principle of interaction of various hardware components – interplay between controller, I/O module, TAP transceiver and UUT.

Principle of interaction - interplay between controller, I/O module, TAP transceiver and UUT

All GOEPEL electronic hardware products are completely supported in the JTAG/Boundary Scan software platform SYSTEM CASCON. Thereby, the test programs are cross-compatible between the controllers.

The integrated JTAG/Boundary Scan software environment can be utilised throughout the entire product life cycle.

The JTAG/Boundary Scan solution: SCANFLEX

JTAG/Boundary Scan system architecture SCANFLEX consists of three components: Controller, TAP Transceiver and I/O Module:

SCANFLEX Architecture

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