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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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TMS570LS bảng dữ liệu(PDF) 46 Page - Texas Instruments |
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TMS570LS bảng dữ liệu(HTML) 46 Page - Texas Instruments |
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46 / 107 page  TMS570LS20206-EP, TMS570LS20216-EP SPNS209A – JUNE 2012 – REVISED AUGUST 2012 www.ti.com 4.4 Vectored Interrupt Manager (VIM) The Vectored Interrupt Manager (VIM) provides hardware assistance for prioritizing and controlling the many interrupt sources present on the device. Interrupt requests originating from the device modules (i.e., SPI, LIN, SCI, etc.) are assigned to channels within the 64-channel VIM. Programming multiple interrupt sources to the same VIM channel effectively shares the VIM channel between sources. The VIM request channels are maskable so that individual channels can be selectively disabled. All interrupt requests can be programmed in the VIM to be of either type: • Fast interrupt request (FIQ)- The FIQ implemented in Cortex-R4F is Non-Maskable Fast Interrupts (NMFI). • Normal interrupt request (IRQ) The VIM prioritizes interrupts, whose precedence of request channels decrease with ascending channel order in the VIM (0 [highest] and 64[lowest] priority). For VIM default mapping, channel priorities, and their associated modules see the table below. More information on the VIM can be found in the technical reference manual (TRM). Table 4-5. Interrupt Request Assignments Modules Interrupt Sources Default VIM Interrupt Request ESM ESM High level interrupt (NMI) 0 Reserved (NMI) 1 RTI RTI compare interrupt 0 2 RTI RTI compare interrupt 1 3 RTI RTI compare interrupt 2 4 RTI RTI compare interrupt 3 5 RTI RTI overflow interrupt 0 6 RTI RTI overflow interrupt 1 7 RTI RTI timebase 8 GIO GIO interrupt A 9 NHET NHET level 1 interrupt 10 HET TU HET TU level 1 interrupt 11 MIBSPI1 MIBSPI1 level 0 interrupt 12 LIN1 (incl. SCI) LIN1 level 0 interrupt 13 MIBADC1 MIBADC1 event group interrupt 14 MIBADC1 MIBADC1 sw group 1 interrupt 15 DCAN1 DCAN1 level 0 interrupt 16 Reserved Reserved 17 FlexRay FlexRay level 0 interrupt 18 CRC CRC Interrupt 19 ESM ESM Low level interrupt 20 SYSTEM Software interrupt (SSI) 21 CPU PMU Interrupt 22 GIO GIO interrupt B 23 NHET NHET level 2 interrupt 24 HET TU HET TU level 2 interrupt 25 MIBSPI1 MIBSPI1 level 1 interrupt 26 LIN1 (incl. SCI) LIN1 level 1 interrupt 27 MIBADC1 MIBADC1 sw group 2 interrupt 28 DCAN1 DCAN1 level 1 interrupt 29 Reserved Reserved 30 MIBADC1 MIBADC1 magnitude interrupt 31 46 Peripherals Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS570LS20206-EP TMS570LS20216-EP |
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