NXP Semiconductors MCF5485CZP200

Overview

MCF5485CZP200 from Freescale Semiconductor is a ColdFire V4e-based 32-bit microprocessor with integrated MMU, FPU, DDR/SDR SDRAM controller, dual Fast Ethernet (FEC), USB 2.0 device controller, two FlexCAN 2.0B interfaces, and optional cryptography accelerator. It operates at up to 200 MHz core frequency (308 MIPS @ 200 MHz), supports 388-pin TEPBGA (27 mm × 27 mm), and targets high-performance embedded networking and industrial control applications requiring real-time processing, secure communications, and multi-protocol I/O.

For engineers reviewing the MCF5485CZP200 datasheet, MCF5485CZP200 pinout, MCF5485CZP200 application, or MCF5485CZP200 equivalent, this page delivers verified technical context-including ColdFire V4e core architecture, DDR SDRAM controller timing, PCI 2.2 interface constraints, FlexBus AC specifications, and cryptographic module capabilities-enabling accurate system-level integration, power sequencing validation, and BOM rationalization.

Technical Context

The MCF5485CZP200 implements a limited-superscalar ColdFire V4e core with Harvard architecture, 32-Kbyte instruction and data caches, and IEEE-754-compliant double-precision FPU. Its memory subsystem includes a 32-Kbyte system SRAM, MMU with 32-entry fully associative TLBs, and a 32-bit DDR/SDR SDRAM controller supporting up to 1 GB across four chip selects at 66–133 MHz.

Peripheral integration centers on a Communications I/O Subsystem featuring dual 10/100 Mbps FECs with 2-Kbyte FIFOs each, USB 2.0 device controller with integrated PHY and 4-Kbyte endpoint FIFO RAM, four PSCs for UART/USART/IrDA/codec, I²C, two FlexCAN controllers (16 message buffers each), and DSPI. The SIU provides interrupt control, watchdog, four 32-bit GP timers with PWM, and GPIO multiplexing.

Key Specifications

Pinout & Package

Package: 388-pin Thermally Enhanced Plastic Ball Grid Array (TEPBGA), 27 mm × 27 mm, 1.27 mm pitch. Pinout conforms to Freescale Document Number MCF5485EC Rev. 4, Figure 31 (Case Outline) and functional grouping in Section 17.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCF5485CZP200, MCF5484CZP200 offers identical footprint and core performance but omits USB 2.0 and one FEC-ideal for streamlined industrial designs. MPC8313EVRAGDB delivers higher clock speed and DDR2 support but lacks native MMU and requires new layout, making it suitable only for next-generation upgrades demanding greater throughput.

Availability

MCF5485CZP200 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, secure network appliances, medical imaging control units, and telecom baseband processors requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for MCF5485CZP200 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

Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in embedded processing, connectivity, and analog solutions for automotive, industrial, and networking markets.

The MCF5485CZP200 belongs to the ColdFire MCF548x family-designed specifically for high-performance, feature-rich embedded applications requiring real-time OS support, multi-protocol networking, and hardware-accelerated security in space-constrained industrial environments.

FAQ

What is the maximum DDR SDRAM clock frequency supported by the MCF5485CZP200?

The MCF5485CZP200 DDR SDRAM controller supports operation up to 133 MHz, enabling peak bandwidth of 1.06 GB/s in double-data-rate mode. This is specified in Table 13 of the MCF5485EC datasheet and validated for SSTL2 Class I/II drive strength. The controller handles all initialization, refresh, and command scheduling autonomously-no software intervention is required for standard DDR timing compliance. MCF5485CZP200 achieves this while maintaining full compatibility with JEDEC-standard DDR SDRAM components rated for 133 MHz operation.

Does the MCF5485CZP200 include an integrated USB 2.0 PHY?

Yes, the MCF5485CZP200 integrates a full-speed and high-speed USB 2.0 physical layer (PHY) compliant with USB 2.0 specification. It supports control, bulk, and isochronous transfers via six programmable endpoints and uses 4-Kbytes of shared endpoint FIFO RAM. The PHY is powered by dedicated USB_PHYVDD (3.3 V) and USB_PLLVDD (1.5 V) supplies, with strict layout guidelines in Section 4.3 of the datasheet to ensure signal integrity. MCF5485CZP200 eliminates the need for an external USB transceiver in most device-class implementations.

What are the critical power sequencing requirements for the MCF5485CZP200?

The MCF5485CZP200 requires strict voltage sequencing: IVDD/PLLVDD and EVDD/SDVDD must track up to 0.9 V, then separate to final values (1.5 V and 3.3 V/2.5 V). IVDD must never exceed EVDD or SDVDD by more than 0.4 V during ramp-up or ramp-down. Rise times must be slower than 1 µs to prevent ESD diode conduction. These rules are defined in Figure 3 and Section 4.2 of the MCF5485EC datasheet. Failure to follow sequencing risks latch-up or I/O pad damage. MCF5485CZP200 relies on this sequence to initialize internal sense circuits correctly before enabling output drivers.

Can the MCF5485CZP200 run Linux operating systems?

Yes, the MCF5485CZP200 supports full-featured Linux distributions (e.g., MontaVista, TimeSys, or community uClinux variants) due to its Memory Management Unit (MMU), 32-Kbyte instruction and data caches, and 200 MHz ColdFire V4e core. The MMU enables virtual memory protection and process isolation-essential for multi-tasking OS environments. Kernel porting is mature, with driver support for FEC, USB, FlexCAN, and PSC peripherals documented in Freescale's Linux BSP. MCF5485CZP200 has been deployed in production Linux-based industrial gateways since 2008.

Is the cryptography accelerator module standard or optional on the MCF5485CZP200?

The cryptography accelerator is an optional silicon feature on the MCF5485CZP200-not present in all production lots. It must be explicitly enabled in the mask set and verified via the CRYPTO_PRESENT register (SIU_CRYPTOPRESENT bit). When present, it supports DES/3DES, AES, RC4, MD5/SHA-1/SHA-256, HMAC, and RNG operations in hardware. MCF5485CZP200 devices without the accelerator execute these functions in software using the FPU and integer ALU, resulting in significantly higher CPU load and latency. Always confirm accelerator presence via silicon revision and register read during boot.