TMS320C6711 datasheet(44/129 Pages) TI

44 / 129 page

TMS320C6711, TMS320C6711B, TMS320C6711C, TMS320C6711D

FLOATING-POINT DIGITAL SIGNAL PROCESSORS

SPRS088L − FEBRUARY 1999 − REVISED MAY 2004

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

EDMA channel synchronization events [C6711/11B only]

The C67x EDMA on the C6711/C6711B device supports up to 16 EDMA channels. Four of the sixteen channels

(channels 8−11) are reserved for EDMA chaining, leaving 12 EDMA channels available to service peripheral

devices. Table 24 lists the source of synchronization events associated with each of the programmable EDMA

channels. For the C6711/11B, the association of an event to a channel is fixed; each of the EDMA channels has

one specific event associated with it. For more detailed information on the EDMA module, associated channels,

and event-transfer chaining, see the TMS320C6000 DSP Enhanced Direct Memory Access (EDMA) Controller

Reference Guide

(literature number SPRU234).

Table 24. TMS320C6711/C6711B EDMA Channel Synchronization Events

EDMA

CHANNEL

EVENT NAME

EVENT DESCRIPTION

DSP_INT

Host-port interface (HPI)-to-DSP interrupt

TINT0

Timer 0 interrupt

TINT1

Timer 1 interrupt

SD_INT

EMIF SDRAM timer interrupt

EXT_INT4

External interrupt pin 4

EXT_INT5

External interrupt pin 5

EXT_INT6

External interrupt pin 6

EXT_INT7

External interrupt pin 7

8†

EDMA_TCC8

EDMA transfer complete code (TCC) 1000b interrupt

9†

EDMA_TCC9

EDMA TCC 1001b interrupt

10†

EDMA_TCC10

EDMA TCC 1010b interrupt

11†

EDMA_TCC11

EDMA TCC 1011b interrupt

XEVT0

McBSP0 transmit event

REVT0

McBSP0 receive event

XEVT1

McBSP1 transmit event

REVT1

McBSP1 receive event

† EDMA channels 8 through 11 are used for transfer chaining only. For more detailed information on event-transfer chaining, see the

TMS320C6000 DSP Enhanced Direct Memory Access (EDMA) Controller Reference Guide

(literature number SPRU234).

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