
CD2_CLK
IVA2.2_EVT[x]
(see note)
EVT_DETECTED[x]
EVT_GENERATED[x]
WUMASKREQ[x]
WUGEN_EVT[x]
WUMASKEFF[x]
PENDEVT[x]
1_CYCLE
A
B
C
D
E
iva2-031
Public Version
www.ti.com
IVA2.2 Subsystem Functional Description
Figure 5-20. WUGEN Event Generation
NOTE:
IVA2.2_EVT[x] refers to either IVA2.2nIRQ[x] or IVA2.2_nDMAREQ[x].
(A) An asynchronous event is asserted.
(B) The event is resynchronized and detected. Because the event is not masked, it is propagated to DSP
megamodule/EDMA.
(C) The event-pending flag is cleared because the event was generated. The event to DSP
megamodule/EDMA is deasserted after one WUGEN clock cycle.
(D) After some time, the source of the event is released (probably because it cleared in the corresponding
interrupt status register).
(E) The release of the event is detected and clears the internal EVT_GENERATED flag for that interrupt.
5.3.6.1.2 Individual Event Masking
To mask individual events, write 1 in the
, or
register of the WUGEN module. These registers are used to mask interrupts and
DMA requests.
shows the mechanism of event masking in the WUGEN module.
735
SWPU177N – December 2009 – Revised November 2010
IVA2.2 Subsystem
Copyright © 2009–2010, Texas Instruments Incorporated
Содержание OMAP36 Series
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Страница 692: ...692 MPU Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 1084: ...1084 IVA2 2 Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
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Страница 2334: ...2334 Memory Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2700: ...2700 Memory Management Units SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2868: ...2868 HDQ 1 Wire SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2974: ...2974 UART IrDA CIR SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3054: ...3054 Multichannel SPI SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3462: ...3462 MMC SD SDIO Card Interface SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3508: ...3508 General Purpose Interface SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3584: ...3584 Initialization SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3648: ...3648 Debug and Emulation SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...