Datasheet

TMS570LS0432
TMS570LS0332
www.ti.com SPNS186A –OCTOBER 2012–REVISED SEPTEMBER 2013
5.4.6 High-End Timer Transfer Unit (N2HET)
A High End Timer Transfer Unit (N2HET) can perform DMA type transactions to transfer N2HET data to or
from main memory. A Memory Protection Unit (MPU) is built into the N2HET.
5.4.6.1 Features
• CPU 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 (N2HET transfer requests)
• Supports 32 or 64 bit transactions
• Addressing modes for N2HET 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
5.4.6.2 Trigger Connections
Table 5-9. N2HET Request Line Connection
Modules Request Source HTU Request
N2HET HTUREQ[0] HTU DCP[0]
N2HET HTUREQ[1] HTU DCP[1]
N2HET HTUREQ[2] HTU DCP[2]
N2HET HTUREQ[3] HTU DCP[3]
N2HET HTUREQ[4] HTU DCP[4]
N2HET HTUREQ[5] HTU DCP[5]
N2HET HTUREQ[6] HTU DCP[6]
N2HET HTUREQ[7] HTU DCP[7]
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