TMS320DM643 datasheet(27/160 Pages) TI

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VP1D[19]/AXR0[7]

McASP0

(Multichannel Audio Serial Port 0)

VP1D[18]/AXR0[6]

ACLKX0

AHCLKX0

Transmit

Clock

Generator

AMUTEIN0

Auto Mute

Logic

AMUTE0

AFSX0

Transmit

Frame Sync

AFSR0

Receive Frame

Sync

VP1D[17]/AXR0[5]

VP1D[16]/AXR0[4]

ACLKR0

AHCLKR0

Receive Clock

Generator

VP1D[15]/AXR0[3]

VP1D[14]/AXR0[2]

VP1D[13]/AXR0[1]

VP1D[12]/AXR0[0]

8-Serial Ports

Flexible

Partitioning

Tx, Rx, OFF

Transmit

Clock Check

Circuit

Receive Clock

Check Circuit

Error Detect(A)

(Transmit/Receive Data Pins)

(Receive Bit Clock)

(Transmit Bit Clock)

(Receive Master Clock)

(Transmit Master Clock)

(Receive Frame Sync or

Left/Right Clock)

(Transmit Frame Sync or

Left/Right Clock)

A. The McASP’s Error Detect function detects underruns, overruns, early/late frame syncs, DMA errors, and external mute input.

NOTES: On multiplexed pins, bolded text denotes the active function of the pin for that particular peripheral module.

Bolded and italicized text within parentheses denotes the function of the pins in an audio system.

2.5.3

Terminal Functions

TMS320DM643

Video/Imaging Fixed-Point Digital Signal Processor

SPRS269A – FEBRUARY 2005 – REVISED APRIL 2005

Figure 2-14. McASP0 Peripheral Signals

Table 2-4, the terminal functions table, identifies the external signal names, the associated pin (ball)

numbers along with the mechanical package designator, the pin type (I, O/Z, or I/O/Z), whether the pin

has any internal pullup/pulldown resistors and a functional pin description. For more detailed information

on device configuration, peripheral selection, multiplexed/shared pins, and debugging considerations, see

the Device Configurations section of this data sheet.

Device Overview

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