NXP Semiconductors MPC5123YVY400B

Overview

MPC5123YVY400B from NXP Semiconductors (formerly Freescale) is an industrial-grade Power Architecture® e300-based system-on-chip microcontroller featuring a 400 MHz CPU core, 128 KB on-chip SRAM, DDR1/DDR2/LPDDR memory controller, and integrated USB 2.0 OTG + PHY, SATA + PHY, PCI v2.3, and four CAN controllers - deployed in automotive infotainment head units and industrial HMI gateways.

For engineers reviewing the MPC5123YVY400B datasheet, MPC5123YVY400B pinout, MPC5123YVY400B application, or MPC5123YVY400B equivalent, key selection considerations include industrial temperature range (–40 °C to +85 °C), 516-ball TEPBGA package compatibility, DDR2 interface timing compliance, and functional differentiation from MPC5121E (e.g., absence of MBX Lite graphics engine).

Technical Context

The MPC5123YVY400B implements a 32-bit e300 core derived from Power Architecture v2.03, with 32 KB instruction and 32 KB data caches, and supports doze/nap/sleep/deep sleep/hibernate power modes. Its AXE auxiliary execution engine offloads real-time signal processing tasks independent of the main CPU.

It integrates a 64-channel DMA subsystem, flexible external memory bus (EMB) supporting NOR/NAND/ROM, and dual-clock domain architecture: 200 MHz CSB (64-bit) for core/peripherals and 83 MHz IP bus (32-bit) for I/O subsystems including PSC, I²C, SPDIF, and J1850.

Key Specifications

Pinout & Package

Package: 516-ball Thin Enhanced Plastic Ball Grid Array (TEPBGA), 27 mm × 27 mm, 1.0 mm ball pitch, RoHS and Pb-free compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar system-on-chip microcontroller applications.

Compared with MPC5121YVY400B, the MPC5123YVY400B removes graphics capability to reduce die size and dynamic power, making it more suitable for headless industrial gateways; versus SPC5123YVY400B, it trades automotive qualification for lower unit cost and simplified supply chain validation in non-automotive settings.

Availability

MPC5123YVY400B is available at Aetrix Electronics and suitable for automotive infotainment head units, industrial HMI gateways, and railway signaling controllers requiring stable component supply across extended product lifecycles.

Supply support for MPC5123YVY400B 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 specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with roots in Freescale's Power Architecture heritage.

The MPC5123 belongs to NXP's QorIQ®-branded Power Architecture SoC family, designed specifically for cost-sensitive, high-integration industrial control and transportation applications where graphics are unnecessary but peripheral richness and long-term availability are critical.

FAQ

What is the maximum operating frequency of the MPC5123YVY400B CPU core?

The MPC5123YVY400B features an e300 Power Architecture core rated for a maximum operating frequency of 400 MHz under industrial temperature conditions (–40 °C to +85 °C). This speed is guaranteed with proper VDD_CORE regulation (1.33–1.40 V) and thermal management per the datasheet's recommended operating conditions. The MPC5123YVY400B does not support frequency scaling beyond this rating.

Does the MPC5123YVY400B support DDR2 memory, and what are the key interface requirements?

Yes, the MPC5123YVY400B supports DDR2 SDRAM up to 400 MT/s with programmable CAS latency (CL=3–6), tRCD/tRP/tRAS timing, and on-die termination (ODT) control via MVTT0–MVTT3 reference voltages. It requires SSTL_18 I/O standard compliance, matched trace routing, and proper VDD_MEM_IO (1.8 V) and MVREF (0.9 V) supply decoupling as specified in Section 3.1.2 of the MPC5123YVY400B datasheet.

How many CAN interfaces does the MPC5123YVY400B integrate, and are they fully independent?

The MPC5123YVY400B integrates four fully independent CAN 2.0B controllers (CAN1–CAN4), each with dedicated message RAM, transmit/receive buffers, and programmable bit timing registers. They operate concurrently without resource contention, enabling simultaneous communication on separate CAN buses - for example, CAN1 for powertrain, CAN2 for chassis, CAN3 for body, and CAN4 for diagnostics - all managed by the MPC5123YVY400B's DMA subsystem.

Is the MPC5123YVY400B pin-compatible with the MPC5121E series?

Yes, the MPC5123YVY400B is pin-compatible with the MPC5121E series (e.g., MPC5121YVY400B) in the same 516-TEPBGA package. All signal balls, power/ground assignments, and mechanical dimensions match exactly. However, the MPC5123YVY400B omits the MBX Lite graphics engine present in MPC5121E, resulting in unused balls (e.g., DIU-related pins) that must remain unconnected or tied per datasheet guidance.

What power management modes are supported by the MPC5123YVY400B, and how do they affect real-time responsiveness?

The MPC5123YVY400B supports five power modes: doze, nap, sleep, deep sleep, and hibernate. In doze mode, the e300 core stops but peripherals remain active with full interrupt responsiveness (<1 µs wake latency). Hibernate mode retains RTC and GPIO state using VBAT_RTC only, enabling wake-on-CAN or wake-on-RTC alarm with ~5 µA quiescent current - critical for always-on industrial monitoring nodes using the MPC5123YVY400B.