IMX7DCEC datasheet(13/161 Pages) NXP

13 / 161 page

Modules list

i.MX 7Dual Family of Applications Processors Datasheet, Rev. 7, 09/2023

NXP Semiconductors

QSPI

Quad SPI

Connectivity

peripherals

Quad SPI module act as an interface to external serial

flash devices. This module contains the following

features:

• Flexible sequence engine to support various flash

vendor devices

• Single pad/Dual pad/Quad pad mode of operation

• Single Data Rate/Double Data Rate mode of

operation

• Parallel Flash mode

• DMA support

• Memory mapped read access to connected flash

devices

• Multi-master access with priority and flexible and

configurable buffer for each master

SAI1

SAI2

SAI3

Synchronous Audio

Interface

Connectivity

peripherals

The SAI module provides a synchronous audio

interface (SAI) that supports full duplex serial interfaces

with frame synchronization, such as I2S, AC97, TDM,

and codec/DSP interfaces.

SDMA

Smart Direct Memory

Access

System control

peripherals

The SDMA is a multichannel flexible DMA engine. It

helps in maximizing system performance by offloading

the various cores in dynamic data routing. It has the

following features:

• Powered by a 16-bit Instruction-Set micro-RISC

engine

• Multi-channel DMA supporting up to 32 time-division

multiplexed DMA channels

• 48 events with total flexibility to trigger any

combination of channels

• Memory accesses including linear, FIFO, and 2D

addressing

• Shared peripherals between Arm and SDMA

• Very fast Context-Switching with 2-level priority

based preemptive multi-tasking

• DMA units with auto-flush and prefetch capability

• Flexible address management for DMA transfers

(increment, decrement, and no address changes on

source and destination address)

• DMA ports can handle unidirectional and

bidirectional flows (Copy mode)

• Up to 8-word buffer for configurable burst transfers

for EMIv2.5

• Support of byte-swapping and CRC calculations

• Library of Scripts and API is available

SIMv2-1

SIMv2-2

Smart Card

Connectivity

peripherals

Smart card interface designed to be compatible with

ISO7816.

Table 2. i.MX 7Dual modules list(continued)

Block Mnemonic

Block Name

Subsystem

Brief Description

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