NXP Semiconductors MCF5234CVM150

Overview

MCF5234CVM150 from NXP Semiconductors (formerly Freescale) is a 32-bit ColdFire V2 microcontroller with 16-channel eTPU, 64 KB SRAM, dual-bank SDRAM controller, four 32-bit DMA timers, 3 UARTs, QSPI, I²C, and single FlexCAN 2.0B interface - designed for deterministic real-time industrial control systems requiring precise timing and peripheral integration.

For engineers reviewing the MCF5234CVM150 datasheet, MCF5234CVM150 pinout, MCF5234CVM150 application, or MCF5234CVM150 equivalent, this page delivers verified electrical specs, package mapping to 256-pin MAPBGA, functional pin assignments, industrial use-case validation, and two confirmed alternative microcontrollers with documented feature trade-offs.

Technical Context

The MCF5234CVM150 implements the ColdFire V2 RISC core operating at up to 150 MHz core frequency and 75 MHz bus frequency, supporting deterministic interrupt handling via dual INTC controllers and hardware-accelerated time-critical tasks through its 16-channel enhanced Time Processor Unit (eTPU) with 6 KB dedicated memory.

It integrates a 4-channel DMA controller, SDRAM controller with synchronous mode support (SD_SRAS/SD_SCAS/SD_CKE), and FlexCAN 2.0B compliant CAN interface with CANTX/CANRX pins - all mapped to a 256-ball MAPBGA package with defined power sequencing (VDD, OVDD, VDDPLL tracking within ±0.4 V).

Key Specifications

Pinout & Package

256-ball Mold Array Process Ball Grid Array (MAPBGA), 15 mm × 15 mm body, 1.0 mm ball pitch, case number 1128A-01. Pin 1 identified by laser mark on top surface and metalized mark on bottom.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCF5235CVM150, the MCF5234CVM150 reduces BOM cost and PCB area by omitting FEC and second CAN, while retaining full SDRAM support and deterministic eTPU timing - making it optimal for CAN-based industrial controllers without Ethernet requirements. Against MCF52259CAG80, it delivers 88% higher core performance and 100% more SRAM for complex real-time tasks.

Availability

MCF5234CVM150 is available at Aetrix Electronics and suitable for industrial PLCs, motor drives, building automation gateways, and factory-floor HMIs requiring stable component supply across long production lifecycles.

Supply support for MCF5234CVM150 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 acquired Freescale in 2015 and maintains full support for the ColdFire portfolio, including documentation, reference designs, and long-term supply commitments for industrial-grade microcontrollers.

The MCF523x product line was engineered specifically for deterministic real-time industrial control - emphasizing eTPU timing precision, CAN fieldbus integration, and SDRAM expandability in harsh electromagnetic environments.

FAQ

What is the maximum operating frequency of the MCF5234CVM150?

The MCF5234CVM150 operates at a maximum core frequency of 150 MHz and a maximum bus frequency of 75 MHz. This is achieved using the integrated PLL with external crystal (EXTAL/XTAL) or clock source. The device's Dhrystone 2.1 benchmark performance reaches up to 144 MIPS, validated across temperature and voltage ranges per Freescale Semiconductor's MCF523x Hardware Specification Rev. 4.

Does the MCF5234CVM150 support external SDRAM, and what signals are required?

Yes, the MCF5234CVM150 includes a dual-bank SDRAM controller. Required signals include SD_SRAS, SD_SCAS, SD_CKE, SD_WE, SD_CS[1:0], and CLKOUT (for SDRAM clock). These are assigned to dedicated pins in the 256-ball MAPBGA package (e.g., SD_SRAS on K15, SD_SCAS on K14, SD_CKE on C10) and support JEDEC-standard SDRAM devices with configurable timing parameters.

How many CAN interfaces does the MCF5234CVM150 integrate, and what version is supported?

The MCF5234CVM150 integrates one FlexCAN 2.0B-compliant controller, accessible via dedicated CANTX and CANRX pins. It supports full CAN 2.0B protocol including standard and extended identifiers, error confinement, and automatic retransmission. An external CAN transceiver (e.g., TJA1040 or SN65HVD230) is required for physical layer compliance and bus driving capability.

What is the role of the eTPU in the MCF5234CVM150, and how much memory does it have?

The enhanced Time Processor Unit (eTPU) in the MCF5234CVM150 provides 16 independent channels with 6 KB of dedicated RAM for autonomous, high-precision timing operations - such as PWM generation, encoder quadrature decoding, and stepper motor control. Each channel executes microcode independently of the main CPU, ensuring sub-microsecond jitter and freeing the ColdFire core for application logic.

What power supply sequencing is required for reliable operation of the MCF5234CVM150?

The MCF5234CVM150 requires controlled sequencing among VDD (core), OVDD (I/O), and VDDPLL (PLL). During power-up, VDD and OVDD/VDDPLL must track within ±0.4 V up to 0.9 V, then separate; rise time must be ≥1 ms to avoid ESD clamp activation. During power-down, VDD must fall to 0 V before OVDD/VDDPLL. Decoupling requires 33 μF + 0.1 μF + 0.01 μF per supply rail, placed near respective pins.