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TMS570LS3137 Datenblatt(PDF) 107 Page - Texas Instruments |
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TMS570LS3137 Datenblatt(HTML) 107 Page - Texas Instruments |
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107 / 159 page ![]() 1 1 2 3 4 5 TMS TDI TDO RTCK TCK TMS570LS3137 www.ti.com SPNS162. – SEPTEMBER 2011 4.21.5 JTAG Scan Interface Timings Table 4-39. JTAG Scan Interface Timing(1) No. Parameter Min MAX Unit fTCK TCK frequency (at HCLKmax) 12 MHz fRTCK RTCK frequency (at TCKmax and HCLKmax) 10 MHz 1 td(TCK -RTCK) Delay time, TCK to RTCK 24 ns 2 tsu(TDI/TMS - RTCKr) Setup time, TDI, TMS before RTCK rise (RTCKr) 15 ns 3 th(RTCKr -TDI/TMS) Hold time, TDI, TMS after RTCKr 0 ns 4 th(RTCKr -TDO) Hold time, TDO after RTCKf 0 ns 5 td(TCKf -TDO) Delay time, TDO valid after RTCK fall (RTCKf) 10 ns (1) Timings for TDO are specified for a maximum of 50pF load on TDO Figure 4-20. JTAG Timing Copyright © 2011, Texas Instruments Incorporated System Information and Electrical Specifications 107 Submit Documentation Feedback focus.ti.com: TMS570LS3137 |
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