DSP56004ROM datasheet(20/82 Pages) FREESCALE

Part #	DSP56004ROM

Description	SYMPHONY AUDIO DSP FAMILY 24-BIT DIGITAL SIGNAL PROCESSORS

PDF	82 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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20 / 82 page

1-14

DSP56004/D, Rev. 3

MOTOROLA

Signal/Connection Descriptions

Serial Audio Interface (SAI)

WSR

Input or

Output

Tri-stated

Word Select Receive (WSR)

—WSR is an output if the

receiver section is configured as a master, and a

Schmitt-trigger input if configured as a slave. WSR is

used to synchronize the data word and to select the

left/right portion of the data sample.

Note:

WSR is high impedance if all receivers are disabled

(individual reset), during hardware reset, during

software reset, or while the DSP is in the Stop state.

While in the high impedance state, the internal

input buffer is disconnected from the signal and no

external pull-up is necessary.

Table 1-9

Serial Audio Interface (SAI) Receiver signals (Continued)

Signal

Name

Signal

Type

State during

Reset

Signal Description

Freescale Semiconductor, Inc.

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DSP56004ROM Datasheet(PDF) 20 Page - Freescale Semiconductor, Inc