Datasheet

TMS570LS20216, TMS570LS20206, TMS570LS10216
TMS570LS10206, TMS570LS10116, TMS570LS10106
SPNS141F–AUGUST 2010– REVISED JULY 2011 www.ti.com
4.3 High End Timer Transfer Unit (HET-TU)
The High End Timer Transfer Unit (HET-TU) is a local Direct Memory Access (DMA) module. It is
specifically designed to transfer High End Timer (NHET) data to (or from) the CPU data SRAM . The HET
software controls which HET instructions generate transfer requests to the transfer unit. More information
about the NHET and the HET-TU can be found in the technical reference manual (TRM). The HET-TU
supports 8 channels.
The HET-TU request assignment is shown in the following table.
Table 4-4. NHET Request Line Connection
Modules Request Source HET TRANSFER UNIT Request
NHET HTUREQ[0] HET TU DCP[0]
NHET HTUREQ[1] HET TU DCP[1]
NHET HTUREQ[2] HET TU DCP[2]
NHET HTUREQ[3] HET TU DCP[3]
NHET HTUREQ[4] HET TU DCP[4]
NHET HTUREQ[5] HET TU DCP[5]
NHET HTUREQ[6] HET TU DCP[6]
NHET HTUREQ[7] HET TU DCP[7]
44 Peripherals Copyright © 2010–2011, Texas Instruments Incorporated
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