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MPC5643L 数据表(PDF) 80 Page - Freescale Semiconductor, Inc |
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MPC5643L 数据表(HTML) 80 Page - Freescale Semiconductor, Inc |
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80 / 98 page  MPC5643L Microcontroller Data Sheet, Rev. 3 Preliminary—Subject to Change Without Notice Electrical characteristics Freescale Semiconductor 80 Figure 30. Noise filtering on reset signal 3.17.2 IEEE 1149.1 interface timing Table 31. RESET electrical characteristics No. Symbol Parameter Conditions1 NOTES: 1 V DD = 3.3 V ± 10%, TJ = –40 to +150 °C, unless otherwise specified Min Typ Max Unit 1Ttr D Output transition time output pin2 2 C L includes device and package capacitance (CPKG <5pF). CL = 25pF — — 12 ns CL = 50pF — — 25 CL = 100pF — — 40 2WFRST PnRSTIN input filtered pulse — — — 40 ns 3WNFRST PnRSTIN input not filtered pulse — 500 — — ns Table 32. JTAG pin AC electrical characteristics No. Symbol Parameter Conditions Min Max Unit 1tJCYC D TCK cycle time — 100 — ns 2tJDC D TCK clock pulse width (measured at VDDE/2) — 40 60 ns 3tTCKRISE D TCK rise and fall times (40%–70%) — — 3 ns 4tTMSS, tTDIS D TMS, TDI data setup time — 5 — ns 5tTMSH, tTDIH D TMS, TDI data hold time — 25 — ns 6tTDOV D TCK low to TDO data valid — — 20 ns 7tTDOI D TCK low to TDO data invalid — 0 — ns VRSTIN VIL VIH VDD filtered by hysteresis filtered by lowpass filter WFRST WNFRST hw_rst ‘1’ ‘0’ filtered by lowpass filter WFRST unknown reset state device under hardware reset |
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