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RPC564L60L5BOSY 数据表(PDF) 122 Page - STMicroelectronics |
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RPC564L60L5BOSY 数据表(HTML) 122 Page - STMicroelectronics |
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122 / 137 page ![]() Electrical characteristics RPC56EL60L5 122/137 DocID026934 Rev 1 Figure 25. Nexus output timing Figure 26. Nexus EVTI Input Pulse Width 9 tNTDIH, tNTMSH D TDI, TMS Data Hold Time 5 — ns 10 tJOV D TCK Low to TDO/RDY Data Valid 0 25 ns 1. JTAG specifications in this table apply when used for debug functionality. All Nexus timing relative to MCKO is measured from 50% of MCKO and 50% of the respective signal. 2. For all Nexus modes except DDR mode, MDO, MSEO, and EVTO data is held valid until next MCKO low cycle. 3. The system clock frequency needs to be four times faster than the TCK frequency. Table 36. Nexus debug port timing(1) (continued) No. Symbol Parameter Conditions Min Max Unit 1 2 MCKO MDO MSEO EVTO Output Data Valid 3 5 4 EVTI |
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