DSPA56371 datasheet(21/124 Pages) FREESCALE

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Signal/Connection Descriptions

Freescale Semiconductor

DSP56371 Technical Data

SDO2

Output

GPIO

disconnected

Serial Data Output 2—When programmed as a transmitter,

SDO2 is used to transmit data from the TX2 serial transmit shift

SDI3

Input

Serial Data Input 3—When programmed as a receiver, SDI3 is

used to receive serial data into the RX3 serial receive shift

PC9

Input, output, or

disconnected

Port C9—When the ESAI is configured as GPIO, this signal is

individually programmable as input, output, or internally

disconnected.

The default state after reset is GPIO disconnected.

Internal Pull down resistor.

This input is 5 V tolerant.

SDO1

Output

GPIO

disconnected

Serial Data Output 1—SDO1 is used to transmit data from the

TX1 serial transmit shift register.

PC10

Input, output, or

disconnected

Port C10—When the ESAI is configured as GPIO, this signal is

individually programmable as input, output, or internally

disconnected.

The default state after reset is GPIO disconnected.

Internal Pull down resistor.

This input is 5 V tolerant.

SDO0

Output

GPIO

disconnected

Serial Data Output 0—SDO0 is used to transmit data from the

TX0 serial transmit shift register.

PC11

Input, output, or

disconnected

Port C11—When the ESAI is configured as GPIO, this signal is

individually programmable as input, output, or internally

disconnected.

The default state after reset is GPIO disconnected.

Internal Pull down resistor.

This input is 5 V tolerant.

Table 8. Enhanced Serial Audio Interface Signals (Continued)

Signal

Name

Signal Type

State during

Reset

Signal Description

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