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Download MCF5213 ColdFire ® Integrated Microcontroller Reference Manual
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IEEE 1149.1 Test Access Port (JTAG) 1 TEST-LOGIC-RESET 0 0 RUN-TEST/IDLE 1 SELECT DR-SCAN SELECT IR-SCAN 1 1 CAPTURE-DR 1 CAPTURE-IR 0 0 0 SHIFT-DR 1 EXIT1-DR 1 EXIT1-IR 1 1 0 0 0 PAUSE-DR 0 PAUSE-IR 1 1 EXIT2-DR EXIT2-IR 0 1 1 UPDATE-DR 1 0 SHIFT-IR 1 0 1 0 0 UPDATE-IR 0 1 0 Figure 27-4. TAP Controller State Machine Flow 27.4.3 JTAG Instructions Table 27-5 describes public and private instructions. Table 27-5. JTAG Instructions Instruction IR[3:0] Instruction Summary EXTEST 0000 Selects boundary scan register while applying fixed values to output pins and asserting functional reset IDCODE 0001 Selects IDCODE register for shift SAMPLE/PRELOAD 0010 Selects boundary scan register for shifting, sampling, and preloading without disturbing functional operation Freescale Semiconductor 27-7
