DSPB56374AFC datasheet(21/64 Pages) FREESCALE

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Signal Groupings

DSP56374 Data Sheet, Rev. 4.2

Freescale Semiconductor

SDO2_1

Output

GPIO

disconnected

Serial Data Output 2—When programmed as a transmitter,

SDO2_1 is used to transmit data from the TX2 serial

transmit shift register.

SDI3_1

Input

Serial Data Input 3—When programmed as a receiver,

SDI3_1 is used to receive serial data into the RX3 serial

receive shift register.

PE9

Input, output, or

disconnected

Port E9—When the ESAI_1 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_1

Output

GPIO

disconnected

Serial Data Output 1—SDO1_1 is used to transmit data

from the TX1 serial transmit shift register.

PE10

Input, output, or

disconnected

Port E10—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_1

Output

GPIO

disconnected

Serial Data Output 0—SDO0_1 is used to transmit data

from the TX0 serial transmit shift register.

PE11

Input, output, or

disconnected

Port E11—When the ESAI_1 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 11. Enhanced Serial Audio Interface_1 Signals (continued)

Signal Name

Signal Type

State during

Reset

Signal Description

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