IEEE Standard

You can obtain a copy of the IEEE standard from http://www.ieee.org/.

The IEEE Std 1149.1-1990 - Test Access Port and Boundary-Scan Architecture, and the Std 1149.1-1994b - Supplement to IEEE Std 1149.1-1990, are available from:

IEEE Inc., 345 East 47th Street, New York, NY 10017, USA

1-800-678-IEEE (USA)

1-908-981-9667 (Outside of USA)