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ENICSF2811PBKA 数据表(PDF) 114 Page - Texas Instruments |
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ENICSF2811PBKA 数据表(HTML) 114 Page - Texas Instruments |
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114 / 172 page  PWM (C) TxCTRIP CxTRIP PDPINTx , , (B) XCLKOUT (A) t , t , t w(PDP) w(CxTRIP) w(TxCTRIP) t , t d(PDP-PWM)HZ d(TRIP-PWM)HZ XNMI, XINT1, XINT2 t w(INT) t d(INT) A0-A15 Interrupt Vector TMS320F2810, TMS320F2811, TMS320F2812 TMS320C2810, TMS320C2811, TMS320C2812 SPRS174T – APRIL 2001 – REVISED MAY 2012 www.ti.com 6.17.2 Interrupt Timing Table 6-22. Interrupt Switching Characteristics PARAMETER MIN MAX UNIT Without input qualifier 12 Delay time, PDPINTx low to PWM high- td(PDP-PWM)HZ ns impedance state With input qualifier 1tc(SCO) + IQT + 12 (1) Without input qualifier 3 * tc(SCO) Delay time, CxTRIP/TxCTRIP signals low to td(TRIP-PWM)HZ ns PWM high-impedance state With input qualifier 2tc(SCO) + IQT (1) td(INT) Delay time, INT low/high to interrupt-vector fetch IQT + 12tc(SCO) (1) ns (1) Input Qualification Time (IQT) = [tc(SCO) × 2 × QUALPRD] × 5 + [tc(SCO) × 2 × QUALPRD]. Table 6-23. Interrupt Timing Requirements MIN MAX UNIT With no qualifier 2tc(SCO) tw(INT) Pulse duration, INT input low/high cycles With qualifier 1tc(SCO) + IQT (1) With no qualifier 2tc(SCO) tw(PDP) Pulse duration, PDPINTx input low cycles With qualifier 1tc(SCO) + IQT (1) With no qualifier 2tc(SCO) tw(CxTRIP) Pulse duration, CxTRIP input low cycles With qualifier 1tc(SCO) + IQT (1) With no qualifier 2tc(SCO) tw(TxCTRIP) Pulse duration, TxCTRIP input low cycles With qualifier 1tc(SCO) + IQT (1) (1) Input Qualification Time (IQT) = [tc(SCO) × 2 × QUALPRD] × 5 + [tc(SCO) × 2 × QUALPRD]. A. XCLKOUT = SYSCLKOUT B. TxCTRIP – T1CTRIP, T2CTRIP, T3CTRIP, T4CTRIP CxTRIP – C1TRIP, C2TRIP, C3TRIP, C4TRIP, C5TRIP, or C6TRIP PDPINTx – PDPINTA or PDPINTB C. PWM refers to all the PWM pins in the device (that is, PWMn and TnPWM pins or PWM pin pair relevant to each CxTRIP pin). The state of the PWM pins after PDPINTx is taken high depends on the state of the FCOMPOE bit. Figure 6-22. External Interrupt Timing 114 Electrical Specifications Copyright © 2001–2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320F2810 TMS320F2811 TMS320F2812 TMS320C2810 TMS320C2811 TMS320C2812 |
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