IMX7DCEC datasheet(12/161 Pages) NXP

12 / 161 page

Modules list

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

NXP Semiconductors

OCOTP_CTRL

OTP Controller

Security

The On-Chip OTP controller (OCOTP_CTRL) provides

an interface for reading, programming, and/or

overriding identification and control information stored

in on-chip fuse elements. The module supports

electrically-programmable poly fuses (eFUSEs). The

OCOTP_CTRL also provides a set of volatile

software-accessible signals that can be used for

software control of hardware elements, not requiring

non-volatility. The OCOTP_CTRL provides the primary

user-visible mechanism for interfacing with on-chip fuse

elements. Among the uses for the fuses are unique chip

identifiers, mask revision numbers, cryptographic keys,

JTAG secure mode, boot characteristics, and various

control signals, requiring permanent non-volatility.

OCRAM

On-Chip Memory

controller

Data path

The On-Chip Memory controller (OCRAM) module is

designed as an interface between system’s AXI bus

and internal (on-chip) SRAM memory module.

In i.MX 7Dual processors, the OCRAM is used for

controlling the 128 KB multimedia RAM through a 64-bit

AXI bus.

PCIe

PCI Express 2.0

Connectivity

peripherals

The PCIe IP provides PCI Express Gen 2.0

functionality.

PMU

Power Management Unit

Data path

Integrated power management unit. Used to provide

power to various SoC domains.

PWM1

PWM2

PWM3

PWM4

Pulse Width Modulation

Connectivity

peripherals

The pulse-width modulator (PWM) has a 16-bit counter

and is optimized to generate sound from stored sample

audio images and it can also generate tones. It uses

16-bit resolution and a 4x16 data FIFO to generate

sound.

PXP

PiXel Processing Pipeline

Display peripherals A high-performance pixel processor capable of 1

pixel/clock performance for combined operations, such

as color-space conversion, alpha blending,

gamma-mapping, and rotation. The PXP is enhanced

with features specifically for gray scale applications. In

addition, the PXP supports traditional pixel/frame

processing paths for still-image and video processing

applications, allowing it to interface with the integrated

EPD.

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

Block Mnemonic

Block Name

Subsystem

Brief Description

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