Advanced 64-bit Microprocessors Product Family 79RC64574 ...
Advanced 64-bit Microprocessors Product Family 79RC64574 ...
Advanced 64-bit Microprocessors Product Family 79RC64574 ...
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79RC<strong>64</strong>574 79RC<strong>64</strong>575Timing Characteristics—RC<strong>64</strong>574/RC<strong>64</strong>575Cycle 1 2 3 4SysClockt SysClkt SysClkLowt SysClkPSysAD,SysCmd Driven D D DSysADCt DOt DOHSysAD,SysCmd Received D D D DSysADCt DSt DHControl Signal CPU drivenValidOut*Release*t DOt DOHControl Signal CPU receivedRdRdy*WrRdy*ExtRqst*ValidIn*NMI*Int*(5:0)t DSt DH* = acti ve lo w si gnalFigure 6 System Clocks Data Setup, Output, and Hold Timingt TCKTCKt3t1t5t2TDI/TMSt DSTDO TDO TDOt DHt DOt4Notes to diagram:t1 = t TCKlowt2 = t TCKHIGHTRST*t3 = t TCKFALLt4 = T RST (reset pulse width)t5 = t TCKRise> = 25 nsFigure 7 Standard JTAG Timing19 of 28 December 14, 2001
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