Microprocessor Reference Manual

21264/EV68A Hardware Reference Manual
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7–6 Effect on IPRs After Transition Through Sleep Mode . . . ........................... 710
7–7 Signals and Constraints for the Sleep Mode Sequence . ........................... 711
78 EffectonIPRsAfterWarmReset............................................. 711
79 WRITE_MANYChainCSRValuesforBcacheInitialization......................... 712
710 InternalProcessorRegistersatPower-UpResetState ............................ 714
7–11 21264/EV68A Reset State Machine State Descriptions . ........................... 717
7–12 Differential Reference Clock Frequencies in Full-Speed Lock . ...................... 720
8–1 21264/EV68A Error Detection Mechanisms ..................................... 81
82 64-BitDataandCheckBitECCCode.......................................... 82
83 ErrorCaseSummary....................................................... 810
91 MaximumElectricalRatings................................................. 91
9–2 Signal Types ............................................................. 92
93 VDD(I_DC_POWER)...................................................... 93
9–4 Input DC Reference Pin (I_DC_REF) .......................................... 93
9–5 Input Differential Amplifier Receiver (I_DA)...................................... 93
9–6 Input Differential Amplifier Clock Receiver (I_DA_CLK) . ........................... 93
97 PinType:Open-DrainOutputDriver(O_OD).................................... 94
98 Bidirectional,DifferentialAmplifierReceiver,Open-DrainOutputDriver(B_DA_OD) ..... 94
99 PinType:Open-DrainDriverforTestPins(O_OD_TP)............................ 94
910 Bidirectional,DifferentialAmplifierReceiver,Push-PullOutputDriver(B_DA_PP) ....... 94
911 Push-PullOutputDriver(O_PP).............................................. 95
912 Push-PullOutputClockDriver(O_PP_CLK)..................................... 95
913 ACSpecifications ......................................................... 97
101 OperatingTemperatureatHeatSinkCenter(Tc)................................. 101
10–2 qca at Various Airflows for 21264/EV68A . ...................................... 102
10–3 Maximum Ta for 21264/EV68A @ 750 MHz and @ 1.7 V with Various Airflows ......... 102
10–4 Maximum Ta for 21264/EV68A @ 833 MHz and @ 1.7 V with Various Airflows ......... 102
10–5 Maximum Ta for 21264/EV68A @ 875 MHz and @ 1.7 V with Various Airflows ......... 102
10–6 Maximum Ta for 21264/EV68A @ 940 MHz and @ 1.7 V with Various Airflows ......... 102
111 DedicatedTestPortPins.................................................... 111
11–2 IEEE 1149.1 Instructions and Opcodes . . ...................................... 113
113 TAPControllerStateMachine................................................ 114
114 IcacheBitFieldsinanSROMLine............................................ 117
A1 InstructionFormatandOpcodeNotation ....................................... A1
A2 ArchitectureInstructions.................................................... A2
A–3 Opcodes Reserved for Compaq . . ............................................ A8
A–4 Opcodes Reserved for PALcode. . ............................................ A9
A–5 IEEE Floating-Point Instruction Function Codes . ................................. A9
A6 VAXFloating-PointInstructionFunctionCodes .................................. A11
A–7 Independent Floating-Point Instruction Function Codes . ........................... A12
A8 OpcodeSummary......................................................... A12
A9 KeytoOpcodeSummaryUsedinTableA8.................................... A13
A10 RequiredPALcodeFunctionCodes ........................................... A13
A–11 Exceptional Input and Output Conditions ...................................... A15
E1 BcacheForwardingClockPinGroupings...................................... E1
E2 Late-WriteNon-BurstingSSRAMsDataPinUsage ............................... E2
E3 Late-WriteNon-BurstingSSRAMsTagPinUsage................................ E2
E4 Dual-DataRateSSRAMDataPinUsage....................................... E3
E5 Dual-DataRateSSRAMTagPinUsage........................................ E4