NXP Semiconductors MCIMX7S3DVK08SC

Overview

MCIMX7S3DVK08SC from NXP Semiconductors is a consumer-grade i.MX 7Solo applications processor featuring an ARM Cortex-A7 core running at 800 MHz, integrated ARM Cortex-M4 real-time core, 512 KB L2 cache, and a 12×12 mm 0.4 mm pitch BGA package. It supports DDR3/DDR3L/LPDDR2/LPDDR3-1066 memory, Gigabit Ethernet with AVB, and one 12-bit ADC - deployed in smart appliances, eReaders, and portable HMI systems.

For engineers reviewing the MCIMX7S3DVK08SC datasheet, MCIMX7S3DVK08SC pinout, MCIMX7S3DVK08SC application, or MCIMX7S3DVK08SC equivalent, key selection criteria include its consumer qualification grade (0–95°C), absence of CAN interfaces, single ADC channel, and 12×12 mm BGA footprint - critical for cost-sensitive, low-power connected device designs.

Technical Context

The MCIMX7S3DVK08SC implements heterogeneous multicore architecture: the Cortex-A7 handles Linux-based application layers while the Cortex-M4 executes deterministic real-time tasks such as sensor preprocessing or secure boot verification. Its memory subsystem includes 256 KB OCRAM, 32 KB secure RAM, and external DRAM support up to 2 GB via 32-bit DDR interface.

Power management is hardware-assisted via integrated PMU, multiple LDOs, and SNVS-controlled tamper detection. Security is enforced through TrustZone, CAAM (with NIST-certified PRNG and 32 KB secure RAM), A-HABv4 boot with SHA-256 and 2048-bit RSA, and CSU-enforced security policy configuration via eFuses.

Key Specifications

Pinout & Package

MCIMX7S3DVK08SC uses a 12×12 mm plastic BGA package with 0.4 mm pitch and 196 I/O balls. Pin assignments follow the i.MX 7Solo 12×12 mm mechanical layout defined in Section 6.1 of IMX7SCEC Rev. 4.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar applications processor applications.

Compared with MCIMX7S3DVK08SC, the MCIMX7S3EVK08SC offers extended thermal range without design change, while MCIMX7S5EVK08SC introduces CAN and extra ADC at same footprint - neither is pin-compatible drop-in replacements, but both share identical software stack and layout compatibility within the 12×12 mm family.

Availability

MCIMX7S3DVK08SC is available at Aetrix Electronics and suitable for smart appliances, eReaders, and portable medical monitors requiring stable component supply across multi-year production cycles.

Supply support for MCIMX7S3DVK08SC includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with over 50 years of embedded systems expertise.

The i.MX 7Solo product line targets cost-sensitive, battery-aware connected devices requiring Linux-capable processing plus real-time responsiveness - optimized for HMI, portable health, and smart home edge nodes.

FAQ

What is the maximum DDR memory capacity supported by MCIMX7S3DVK08SC?

MCIMX7S3DVK08SC supports up to 2 GB of external DDR3/DDR3L/LPDDR2/LPDDR3 memory via its 32-bit interface. This capacity is determined by the DDRC controller's address space and is validated for operation at 1066 MT/s. The SoC does not integrate DDR PHY termination resistors, so external matching must be implemented per JEDEC specifications for reliable high-speed signaling.

Does MCIMX7S3DVK08SC include hardware support for secure boot?

Yes, MCIMX7S3DVK08SC implements A-HABv4 (Advanced High-Assurance Boot) with SHA-256 hashing, 2048-bit RSA signature verification, SRK revocation, and TrustZone initialization. Secure boot validation occurs in ROM before any user code executes, using eFuse-programmed keys stored in OCOTP. This prevents unauthorized firmware from loading even if flash memory is physically compromised.

Can MCIMX7S3DVK08SC drive a MIPI DSI display?

Yes, MCIMX7S3DVK08SC integrates a two-lane MIPI DSI interface capable of up to 1.5 Gbps per lane, supporting common HD and WVGA panels. The DSI PHY is fully integrated, requiring only external AC-coupling capacitors and proper impedance-controlled routing. No external level shifter or bridge IC is needed, simplifying display subsystem design.

What is the function of the four tamper pins on MCIMX7S3DVK08SC?

The four dedicated tamper pins on MCIMX7S3DVK08SC connect to external intrusion sensors (e.g., case-open switches or conductive mesh) and feed directly into the SNVS module. When triggered, they initiate immediate secure state erasure, disable debug interfaces, and log tamper events to secure non-volatile storage - meeting requirements for payment terminals and health data devices under IEC 62443 and HIPAA.

Is MCIMX7S3DVK08SC pin-compatible with other i.MX 7Solo variants in the 12×12 mm package?

Yes, all i.MX 7Solo parts in the 12×12 mm BGA package - including MCIMX7S3DVK08SC, MCIMX7S3EVK08SC, and MCIMX7S5EVK08SC - share identical pinout and ball mapping. Function differences (e.g., CAN presence or ADC count) are enabled/disabled via internal fuses and software configuration, not pin assignment - enabling single PCB design across consumer and industrial SKUs.