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MPC5645S датащи(PDF) 101 Page - Freescale Semiconductor, Inc |
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MPC5645S датащи(HTML) 101 Page - Freescale Semiconductor, Inc |
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101 / 146 page ![]() Qorivva MPC5645S Microcontroller Data Sheet, Rev. 8 Freescale Semiconductor 101 4.18 AC timing 4.18.1 IEEE 1149.1 interface timing Figure 16. JTAG Test Clock Input Timing Table 53. JTAG Interface Timing1 1 These specifications apply to JTAG boundary scan only. JTAG timing specified at V DD = 3.0 V to 3.6 V, TA = -40 to 105 °C, and CL = 50 pF with SRC = 0b01. Num Symbol C Characteristic Min Max Unit SpecID 1tJCYC CC2 2 Parameter values guaranteed by design. D TCK Cycle Time 100 — ns A1.1 2tJDC CC2 D TCK Clock Pulse Width (Measured at VDD/2) 40 60 ns A1.2 3tTCKRISE CC2 D TCK Rise and Fall Times (40% – 70%) — 3 ns A1.3 4tTMSS, tTDIS CC2 D TMS, TDI Data Setup Time 5 — ns A1.4 5tTMSH, tTDIH CC2 D TMS, TDI Data Hold Time 25 — ns A1.5 6tTDOV CC2 D TCK Low to TDO Data Valid — 35 ns A1.6 7tTDOI CC2 D TCK Low to TDO Data Invalid 0 — ns A1.7 8tTDOHZ CC2 D TCK Low to TDO High Impedance — 30 ns A1.8 9tBSDV CC2 D TCK Falling Edge to Output Valid — 35 ns A1.9 10 tBSDVZ CC2 D TCK Falling Edge to Output Valid out of High Impedance — 50 ns A1.10 11 tBSDHZ CC2 D TCK Falling Edge to Output High Impedance — 50 ns A1.11 12 tBSDST CC2 D Boundary Scan Input Valid to TCK Rising Edge 50 — ns A1.12 13 tBSDHT CC2 D TCK Rising Edge to Boundary Scan Input Invalid 50 — ns A1.13 TCK 1 2 2 3 3 |
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