Transcription of 特集JTAGってどう使う？ 第1章 JTAGとは何か
1 jtag . 1 jtag . IEEE .. jtag IEEE outline package . jtag .. IEEE .. jtag . jtag 1985 . JETAG Joint European Test IC PLD ISP CPU Action Group . Philips British Telecom . Ericsson Siemens . Thomson-CSF . 1986 Texas Instruments IBM AT&T. Digital Equipment . jtag European jtag Joint Test Action jtag IC Group 1987 DOD . IC VHSIC Very High Speed Integration Circuit . jtag version . TTL DIP dual inline package 1988 jtag version IEEE . Testability Bus Standard Committee 1990. 2 15 IEEE std .. 1980 QFP quad flat package SOP small jtag . jtag .. jtag . IEEE std Test Access Port and Boundary-Scan Architecture .. 1 . IEEE . 20 Design Wave Magazine 2000 February TDI.
2 jtag .. TAP Test Access Port 16 . jtag TMS Test Mode Select . TCK Test Clock .. jtag jtag . TRST Test Reset TAP . TMS H TCK . jtag TAP .. 1 jtag . 1 jtag jtag . jtag .. IEEE .. IC . IC . 1. jtag IC .. jtag .. jtag . 2 jtag .. TDI. TAP. TDO.. jtag TAP Test Access Port .. TMS TCK. TDI TDO TMS TCK TRST 1 .. 5 .. TDI Test Data Input .. I/O I/O.. M. TDI U MUX TDO. X.. ) .. BSR . * TDI TDO Test Data Output .. TAP. DR DR. DR DR. DR. + TMS DR.. TCK . IR DR . TRST . IR DR . IDcode 2 jtag . Design Wave Magazine 2000 February 21.
