Device
IVA2.2 subsystem
WUGEN
D_DMA_[19:0]
MCBSP1_DMA_TX
McBSP1
SYSC
CD2_CLK
EDMA
3PTC0
3PCC
EDMA_REQ[0:19]
20
3PTC1
MCBSP1_DMA_RX
MCBSP2_DMA_TX
McBSP2
MCBSP2_DMA_RX
MCBSP3_DMA_TX
McBSP3
MCBSP3_DMA_RX
MCBSP4_DMA_TX
McBSP4
MCBSP4_DMA_RX
MCBSP5_DMA_TX
McBSP5
MCBSP5_DMA_RX
UART3_DMA_TX
UART3
UART3_DMA_RX
iva2-005
Public Version
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IVA2.2 Subsystem Integration
5.2.2 Hardware Requests
5.2.2.1
DMA Requests
The IVA2.2 subsystem receives 14 DMA requests from specific peripherals, such as the McBSP module
and the UART module (see
).
Figure 5-5. IVA2.2 EDMA Requests
For a description of the EDMA controller, see
, EDMA.
lists EDMA request mappings to the IVA2.2 subsystem EDMA controller.
Table 5-2. IVA2.2 Subsystem EDMA Request Mappings
DMA
Source
Description
D_DMA_0
MCBSP1_DMA_TX
MCBSP module 1 - transmit request
D_DMA_1
MCBSP1_DMA_RX
MCBSP module 1 - receive request
D_DMA_2
MCBSP2_DMA_TX
MCBSP module 2 - transmit request
D_DMA_3
MCBSP2_DMA_RX
MCBSP module 2 - receive request
D_DMA_4
MCBSP3_DMA_TX
MCBSP module 3 - transmit request
D_DMA_5
MCBSP3_DMA_RX
MCBSP module 3 - receive request
D_DMA_6
MCBSP4_DMA_TX
MCBSP module 4 - transmit request
701
SWPU177N – December 2009 – Revised November 2010
IVA2.2 Subsystem
Copyright © 2009–2010, Texas Instruments Incorporated