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SPC5643AF0MLU2 数据表(PDF) 100 Page - Freescale Semiconductor, Inc |
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SPC5643AF0MLU2 数据表(HTML) 100 Page - Freescale Semiconductor, Inc |
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100 / 138 page ![]() MPC5644A Microcontroller Data Sheet, Rev. 7 Freescale Semiconductor 100 The tool/debugger must provide at least one TCK clock for the EVTI signal to be recognized by the MCU. When using the RDY signal to indicate the end of a Nexus read/write access, ensure that TCK continues to run for at least 1 TCK after leaving the Update-DR state. This can be just a TCK with TMS low while in the Run-Test/Idle state or by continuing with the next Nexus/JTAG command. Expect the affect of EVTI and RDY to be delayed by edges of TCK. Note: RDY is not available in all packages of all devices. Figure 11. JTAG test clock input timing TCK 1 2 2 3 3 |
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