Anyone familiar with using BIST? JTAG of course was created for a testing enviroment and then eventually became a standard for programming. But is BIST generally used only for testing of the chip..rather than an in circuit testing? Is anyone using JTAG for in circuit testing these days? --------------------------------- Never miss a thing. Make Yahoo your homepage. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist