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PRIXP425BD датащи(PDF) 99 Page - Intel Corporation |
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PRIXP425BD датащи(HTML) 99 Page - Intel Corporation |
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99 / 112 page ![]() Intel® IXP42X Product Line and IXC1100 Control Plane Processor Electrical Specifications Datasheet 99 Figure 29. HPI – 8 Mode Write Accesses Table 56. HPI Timing Symbol Description State Description Min Max Unit Notes T1 Address Timing 3 4 Cycles 1, 5, 6 T2 Setup/Chip Select Timing 3 4 Cycles 2, 6 T3 Strobe Timing 2 16 Cycles 3, 5, 6 T4 Hold Timing 3 4 Cycles 6 T5 Recovery Phase 2 17 Cycles 6 Table 57. HPI – 8 Mode Write Accesses Values Symbol Parameter Min. Max. Units Notes Tadd_setup Valid time that address is asserted on the line. The address is asserted at the same time as chip select. 11 45 Cycles 1, 5, 6 Tcs2hds1val Delay from chip select being active and the HDS1 data strobe being active. 3 4 Cycles 5, 6 Thds1_pulse Pulse width of the HDS1 data strobe 4 5 Cycles 2, 4, 5 Tdata_setup Data valid prior to the rising edge of the HDS1 data strobe. 4 5 Cycles 3, 5, 6 Tdata_hold Data valid after the rising edge of the HDS1 data strobe. 4 36 Cycles 3, 6 Trecov Time required between successive accesses on the expansion interface. 217 Cycles 4, 6 EX_ADDR[2:1] (hcntl) EX_ADDR[0] (hbil) EX_RDY_N (hrdy) Data EX_DATA (hdin) EX_CS_N (hcs_n) EX_WR_N (hds1_n) EX_RD_N (hr_w_n) Valid Data Valid EX_CLK T1 T3 T4 T3 T2 T4 T5 T1 T2 T5 Tadd_setup Tcs2hds1val Thds1_pulse Tdata_setup Tdata_hold Trecov |
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