{"request_id":"req_01M46D3ZF19E5M6M3QQGQJX1S8","technology":{"canonical_id":"tech_000000000000009YBMQKNZSJ9Y","parent_canonical_id":"tech_000000000000009YBMQKJK23EK","parent_id_zoho":"358446000000536019","name":"JTAG","slug":"jtag-358446000114551102","requires_context":false,"popularity":"Common","description":"Standard interface for boundary-scan testing and in-circuit debugging/programming of embedded hardware.","explanation":"JTAG (IEEE 1149.1) is a widely used hardware interface for testing PCB interconnects via boundary scan and for debugging or programming processors and FPGAs. It enables low-level access to device registers and memory through debug probes and is commonly integrated into development and manufacturing workflows. Many platforms also support JTAG-derived debug standards such as SWD for ARM microcontrollers.","use_cases":[],"strengths":[],"limitations":[],"organizations":null,"certifications":null,"deployment_options":null,"lifecycle":"active","revision":3,"updated_at":"2026-09-13T18:42:36.096015Z","reviewed_at":"2026-09-13T18:42:36.096015Z","source_freshness_at":"0001-01-01T00:00:00Z","aliases":null,"category_ids":["cat_7YGHDWDNYK3KQTTQK2TSAJF06G"],"domain_ids":["dom_743D5WTASJ7Z7SRJ7EB2ZFJN5T"],"classification_kind":"technology","sources":null,"external_ids":[{"system":"beast","value":"358446000114551102"}],"provenance":"Published taxonomy release 2026.10.7"},"release_version":"2026.10.7"}