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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC8321EVRADDC датащи(PDF) 30 Page - Freescale Semiconductor, Inc |
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MPC8321EVRADDC датащи(HTML) 30 Page - Freescale Semiconductor, Inc |
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30 / 82 page  MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4 30 Freescale Semiconductor JTAG 10.2 JTAG AC Electrical Characteristics This section describes the AC electrical specifications for the IEEE Std. 1149.1 (JTAG) interface of the MPC8323E. Table 32 provides the JTAG AC timing specifications as defined in Figure 19 through Figure 22. Input low voltage VIL — –0.3 0.8 V Input current IIN 0 V ≤ VIN ≤ OVDD —±5 μA Table 32. JTAG AC Timing Specifications (Independent of CLKIN)1 At recommended operating conditions (see Table 2). Parameter Symbol2 Min Max Unit Notes JTAG external clock frequency of operation fJTG 0 33.3 MHz — JTAG external clock cycle time t JTG 30 — ns — JTAG external clock pulse width measured at 1.4 V tJTKHKL 11 — ns — JTAG external clock rise and fall times tJTGR, tJTGF 02 ns — TRST assert time tTRST 25 — ns 3 Input setup times: Boundary-scan data TMS, TDI tJTDVKH tJTIVKH 4 4 — — ns 4 Input hold times: Boundary-scan data TMS, TDI tJTDXKH tJTIXKH 10 10 — — ns 4 Valid times: Boundary-scan data TDO tJTKLDV tJTKLOV 2 2 15 15 ns 5 Output hold times: Boundary-scan data TDO tJTKLDX tJTKLOX 2 2 — — ns 5 Table 31. JTAG Interface DC Electrical Characteristics (continued) Characteristic Symbol Condition Min Max Unit |
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