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TMS570LS1114 Datasheet(PDF) 135 Page - Texas Instruments |
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TMS570LS1114 Datasheet(HTML) 135 Page - Texas Instruments |
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135 / 169 page  TMS570LS1114 www.ti.com SPNS188B – OCTOBER 2012 – REVISED FEBRUARY 2015 7.6.7 High-End Timer Transfer Unit (HTU) A High End Timer Transfer Unit (HTU) can perform DMA type transactions to transfer N2HET data to or from main memory. A Memory Protection Unit (MPU) is built into the HTU. 7.6.7.1 Features • CPU and DMA independent • Master Port to access system memory • 8 control packets supporting dual buffer configuration • Control packet information is stored in RAM protected by parity • Event synchronization (HET transfer requests) • Supports 32 or 64 bit transactions • Addressing modes for HET address (8 byte or 16 byte) and system memory address (fixed, 32 bit or 64bit) • One shot, circular and auto switch buffer transfer modes • Request lost detection 7.6.7.2 Trigger Connections Table 7-24. HTU1 Request Line Connection Modules Request Source HTU1 Request N2HET1 HTUREQ[0] HTU1 DCP[0] N2HET1 HTUREQ[1] HTU1 DCP[1] N2HET1 HTUREQ[2] HTU1 DCP[2] N2HET1 HTUREQ[3] HTU1 DCP[3] N2HET1 HTUREQ[4] HTU1 DCP[4] N2HET1 HTUREQ[5] HTU1 DCP[5] N2HET1 HTUREQ[6] HTU1 DCP[6] N2HET1 HTUREQ[7] HTU1 DCP[7] Table 7-25. HET TU2 Request Line Connection Modules Request Source HET TU2 Request N2HET2 HTUREQ[0] HTU2 DCP[0] N2HET2 HTUREQ[1] HTU2 DCP[1] N2HET2 HTUREQ[2] HTU2 DCP[2] N2HET2 HTUREQ[3] HTU2 DCP[3] N2HET2 HTUREQ[4] HTU2 DCP[4] N2HET2 HTUREQ[5] HTU2 DCP[5] N2HET2 HTUREQ[6] HTU2 DCP[6] N2HET2 HTUREQ[7] HTU2 DCP[7] Copyright © 2012–2015, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 135 Submit Documentation Feedback Product Folder Links: TMS570LS1114 |
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