NXP Semiconductors MCF5208CVM166

Overview

MCF5208CVM166 from NXP Semiconductors (formerly Freescale) is a 32-bit ColdFire v2 microprocessor with integrated 10/100 Mbps Fast Ethernet Controller, 166.67 MHz core clock, 16 KB on-chip SRAM, and 8 KB configurable cache. It features dual-bank SDR/DDR SDRAM controller, 16-channel DMA, three UARTs, queued SPI, I²C, and low-power management - designed for industrial connectivity gateways and embedded networking applications.

For engineers reviewing the MCF5208CVM166 datasheet, MCF5208CVM166 pinout, MCF5208CVM166 application, or MCF5208CVM166 equivalent, key selection criteria include Ethernet MAC integration, 196-ball MAPBGA package compatibility, SDRAM interface timing compliance, and cold temperature operation (–40°C to +85°C) in real-time control systems.

Technical Context

The MCF5208CVM166 implements the ColdFire v2 RISC architecture with enhanced multiply-accumulate (EMAC) unit and supports both SDR and DDR SDRAM via dynamic DRAMSEL-controlled pin muxing. Its Fast Ethernet Controller includes full IEEE 802.3-compliant MAC with MII interface signals (FEC_MDC, FEC_MDIO, FEC_TXD[3:0], FEC_RXD[3:0]) routed to dedicated pins in the 196 MAPBGA layout.

Power architecture separates IVDD (1.4–1.6 V core), EVDD (3.0–3.6 V I/O), SDVDD (1.7–3.6 V memory bus), and PLLVDD (1.4–1.6 V) domains with strict sequencing requirements: IVDD must not lead EVDD/SDVDD/PLLVDD by >0.4 V at power-up or lag by >0.4 V at power-down to avoid ESD diode conduction.

Key Specifications

Pinout & Package

Package: 196-ball MAPBGA (12 mm × 12 mm, 0.8 mm ball pitch), RoHS-compliant, lead-free finish. Pinout validated per Figure 9 (MCF5208CVM166 Pinout Top View) in Freescale MCF5208EC Rev. 3 datasheet.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCF5208CAB166, the MCF5208CVM166 offers superior thermal performance (θJA = 47°C/W vs. 65°C/W) and higher I/O density for Ethernet signal routing; versus MCF52235CAG80, it retains native FEC but lacks USB, making it optimal for fixed Ethernet infrastructure nodes.

Availability

MCF5208CVM166 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, programmable logic controllers, and networked HMIs requiring stable component supply across extended product lifecycles.

Supply support for MCF5208CVM166 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 roots in Freescale's embedded processor heritage.

The ColdFire family - including the MCF5208CVM166 - was engineered for deterministic real-time control in resource-constrained industrial systems, emphasizing low-latency interrupt response, integrated communication peripherals, and extended temperature reliability.

FAQ

What is the maximum operating frequency of the MCF5208CVM166?

The MCF5208CVM166 operates at a maximum core clock frequency of 166.67 MHz, delivering up to 159 Dhrystone 2.1 MIPS. This frequency is achieved with IVDD regulated between 1.4 V and 1.6 V, and requires proper decoupling and thermal management per the Freescale MCF5208EC Rev. 3 datasheet. The MCF5208CVM166 maintains this rating across its full –40°C to +85°C industrial temperature range.

Does the MCF5208CVM166 include an integrated Ethernet MAC?

Yes, the MCF5208CVM166 integrates a full IEEE 802.3-compliant 10/100 Mbps Fast Ethernet Controller (FEC) with MII interface signals (FEC_TXD[3:0], FEC_RXD[3:0], FEC_MDC, FEC_MDIO). It does not include a physical layer (PHY); an external 10/100BASE-TX PHY is required. The MCF5208CVM166 handles MAC-layer framing, CRC generation/checking, and flow control entirely on-die.

What package type is used for the MCF5208CVM166?

The MCF5208CVM166 uses a 196-ball MAPBGA package measuring 12 mm × 12 mm with 0.8 mm ball pitch. This package is documented in Figure 10 of the Freescale MCF5208EC Rev. 3 datasheet and features optimized thermal resistance (θJA = 47°C/W on a 4-layer board), making it suitable for high-density industrial PCB layouts requiring reliable heat dissipation.

Can the MCF5208CVM166 interface with both SDR and DDR SDRAM?

Yes, the MCF5208CVM166's SDRAM controller supports both SDR and DDR SDRAM through dynamic pin multiplexing controlled by the DRAMSEL signal. When DRAMSEL is asserted high, pins A[15:14], A[13:11], and D[31:16] function as SDR address/data lines; when low, they become DDR-specific signals (SD_BA[1:0], SD_A[13:11], SD_D[31:16]). This allows hardware reuse across memory generations without PCB changes.

What are the critical power supply sequencing requirements for the MCF5208CVM166?

The MCF5208CVM166 requires strict sequencing: IVDD must not lead EVDD, SDVDD, or PLLVDD by more than 0.4 V during power-up, nor lag them by more than 0.4 V during power-down, to prevent damaging current through internal ESD diodes. Recommended sequence is simultaneous ramp-up of EVDD/SDVDD/PLLVDD followed by IVDD, and IVDD/PLLVDD shutdown before EVDD/SDVDD. Rise/fall times should be slower than 500 µs.