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NXP Semiconductors MCF5206EAB54
- Part No.:
- MCF5206EAB54
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 160-BQFP
- Datasheet:
-
MCF5206EAB54.pdf
- Description:
- IC MPU MCF520X 54MHZ 160QFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,672
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Product details
Overview
MCF5206EAB54 from Freescale Semiconductor is a Version 2 ColdFire® integrated microprocessor with a 54 MHz clock, 4 KB instruction cache, 8 KB on-chip SRAM, MAC unit, hardware divide, and dual-channel DMA-designed for embedded control systems requiring glueless DRAM/SRAM interfacing and real-time peripheral integration.
For engineers reviewing the MCF5206EAB54 datasheet, MCF5206EAB54 pinout, MCF5206EAB54 application, or MCF5206EAB54 equivalent, key selection factors include its 54 MHz operation at 3.3 V, pin-compatible upgrade path from MCF5206, and support for EDO/page-mode DRAM, UARTs, I²C, and multimode timers in a 208-pin QFP package.
Technical Context
The MCF5206EAB54 implements a synthesizable ColdFire V2 core with hardware-accelerated arithmetic via MAC and integer divide units, enabling efficient execution of DSP-like operations in control applications. Its on-chip 4 KB I-cache and 8 KB SRAM deliver deterministic one-cycle access to critical code and data.
System integration includes a DRAM controller supporting EDO and page-mode DRAMs, two UARTs, dual 16-bit multimode timers, an I²C-compatible bus interface, and a 2-channel DMA controller-all operating under full static 3.3 V supply with 5 V-tolerant I/O pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Clock Frequency | 54 MHz - enables 50 Dhrystone 2.1 MIPS performance for real-time embedded control tasks. |
| Core Architecture | ColdFire Version 2 - synthesizable, upward-compatible with 68K software tools and assembly translation utilities. |
| On-Chip Memory | 4 KB direct-mapped instruction cache + 8 KB SRAM - reduces external memory accesses and improves deterministic latency. |
| DMA Channels | 2 independent channels - offloads CPU for high-throughput data transfers between peripherals and memory without intervention. |
| DRAM Support | EDO and page-mode DRAM - enables cost-effective main memory expansion with standard low-cost DRAM components. |
| I/O Voltage | 3.3 V core supply with 5 V-tolerant inputs - simplifies interface to legacy 5 V logic and mixed-voltage system design. |
| Operating Temperature | 0°C to +70°C - qualified for commercial/industrial ambient environments without extended thermal management. |
Pinout & Package
Package: 208-pin plastic quad flat pack (QFP), 28 × 28 mm body, 0.5 mm pitch - pin-compatible with MCF5206 for drop-in migration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | External clock input | Accepts single-ended 54 MHz crystal or oscillator signal to drive internal PLL and system timing. |
| RESET | Active-low asynchronous reset | Forces processor into known state; initiates boot sequence from configured vector address. |
| DSACK0–DSACK3 | Dynamic bus acknowledge outputs | Signal valid data strobe timing for DRAM, SRAM, and peripheral bus cycles. |
| DTACK | Data transfer acknowledge | Indicates completion of synchronous bus transaction; used for wait-state generation and glueless interfacing. |
| UDS/LDS | Upper/lower data strobes | Enable byte-select access to 16-bit or 32-bit external data bus; supports mixed-width memory mapping. |
| CS0–CS7 | Chip select outputs | Seven programmable chip selects for memory-mapped peripherals, SRAM, DRAM banks, and I/O devices. |
| TXD0/RXD0 | UART0 transmit/receive | Full-duplex serial interface compliant with RS-232/RS-485 level-shifter requirements. |
| SCL/SDA | I²C bus clock/data | Open-drain bidirectional signals supporting multi-master, slave-addressed communication up to 400 kHz. |
Key Features
| Feature | Design Value |
|---|---|
| MAC + Hardware Divide Unit | Accelerates fixed-point filtering, motor control loops, and PID computation without software emulation overhead. |
| Glueless DRAM Interface | Eliminates external address latches and bus transceivers when connecting EDO/page-mode DRAMs. |
| Two UARTs with FIFO support | Enables simultaneous host debug console and fieldbus communication (e.g., Modbus RTU) without CPU polling. |
| Dual 16-bit Multimode Timers | Support input capture, output compare, PWM generation, and quadrature decoding for motion control feedback. |
| JTAG Debug Module | Provides non-intrusive real-time debugging, breakpoint setting, and register inspection via standard IEEE 1149.1 interface. |
Applications
| Industrial PLC Controller | Networked HMI Terminal |
|---|---|
Use Scenario: Real-time ladder logic execution and I/O scanning in compact programmable logic controllers with analog/digital modules. IC Role / Device Role / Timing Role: Central control processor managing cyclic scan, timer interrupts, and peripheral register access via parallel port and UARTs. Use Value: Deterministic 54 MHz execution with on-chip SRAM and cache ensures sub-millisecond scan times and jitter-free I/O response. | Use Scenario: Touch-enabled human-machine interface with Ethernet connectivity, local display driver, and serial fieldbus gateway. IC Role / Device Role / Timing Role: Application processor running lightweight OS or bare-metal UI stack while handling UART-to-Ethernet bridging and display refresh timing. Use Value: Dual UARTs and I²C allow concurrent communication with display controller, sensor nodes, and industrial network transceivers without external logic. |
| Motor Drive Control Board | Legacy System Migration Platform |
Use Scenario: Closed-loop servo drive with current sensing, PWM generation, encoder feedback, and safety monitoring. IC Role / Device Role / Timing Role: Real-time motion controller executing position/velocity loops using MAC-accelerated math and quadrature timer inputs. Use Value: Hardware divide and MAC enable 10 kHz current loop updates with <1 µs interrupt latency using on-chip SRAM-resident code. | Use Scenario: Drop-in replacement for aging MC68340-based designs requiring higher throughput and peripheral consolidation. IC Role / Device Role / Timing Role: Pin- and software-compatible ColdFire upgrade delivering >6× performance while reusing existing PCB layout and toolchain. Use Value: 208-pin QFP footprint matches MCF5206; same pinout allows board reuse with no layout changes or redesign effort. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded microprocessor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCF5206ECAG54 | Same ColdFire V2 core, identical 54 MHz speed grade, but in 160-pin PQFP package with reduced peripheral set (no I²C, single UART). | Limited peripheral count restricts use in multi-interface applications like HMI or fieldbus gateways. | Select when board space constraints favor smaller package and I²C/second UART are unnecessary. |
| MCF5208ECAG80 | Higher-performance ColdFire V2 variant at 80 MHz, adds USB 2.0 OTG, enhanced DMA, and larger on-chip SRAM (64 KB), but requires different power sequencing and layout. | Not pin-compatible; targets next-generation designs needing USB connectivity and higher throughput. | Choose for new designs requiring USB host/device capability and >70 DMIPS, accepting full PCB redesign. |
Compared with MCF5206ECAG54, the MCF5206EAB54 provides broader peripheral integration in a larger package; versus MCF5208ECAG80, it offers proven stability, lower BOM cost, and seamless migration from legacy MCF5206 platforms without layout changes.
Availability
MCF5206EAB54 is available at Aetrix Electronics and suitable for industrial PLC controllers, networked HMI terminals, motor drive control boards, and legacy system migration programs requiring stable component supply and long-term obsolescence planning.
Supply support for MCF5206EAB54 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) was a leading designer of embedded processors, analog, and connectivity solutions for automotive, industrial, and networking markets.
The ColdFire family-including the MCF5206EAB54-was engineered to deliver 68K software compatibility with enhanced performance, integrated peripherals, and cost-optimized packaging for industrial control and automation applications.
FAQ
What is the maximum operating frequency of the MCF5206EAB54?
The MCF5206EAB54 operates at a maximum frequency of 54 MHz, delivering 50 Dhrystone 2.1 MIPS performance. This speed grade is fully characterized across the 0°C to +70°C temperature range and supported by its 3.3 V supply with 5 V-tolerant I/O. The MCF5206EAB54 does not support overclocking beyond this rated frequency.
Does the MCF5206EAB54 support JTAG debugging?
Yes, the MCF5206EAB54 includes a dedicated JTAG debug module compliant with IEEE 1149.1, enabling real-time breakpoints, register inspection, and non-intrusive program flow analysis. This capability is integral to the MCF5206EAB54 silicon and requires no external debug co-processor or firmware loader.
Is the MCF5206EAB54 pin-compatible with earlier ColdFire microprocessors?
Yes, the MCF5206EAB54 uses a 208-pin QFP package with pinout compatibility to the original MCF5206, enabling direct PCB-level replacement. However, it is not pin-compatible with the 160-pin MCF5206ECAG54 or higher-pin-count ColdFire variants such as the MCF5208 series.
What types of DRAM does the MCF5206EAB54 support?
The MCF5206EAB54 DRAM controller supports both EDO (Extended Data Out) and page-mode DRAMs, allowing cost-effective main memory expansion without external address multiplexing logic. It does not support SDRAM, DDR, or LPDDR technologies-those require later ColdFire generations like the MCF54xx series.
Can the MCF5206EAB54 execute 68K assembly code directly?
The MCF5206EAB54 runs ColdFire V2 binary code, not native 68K object code. However, Freescale provided free code translation tools under license to convert 68K assembly into ColdFire-compatible instructions, enabling reuse of legacy firmware logic within the MCF5206EAB54's memory map and interrupt model.
MCF5206EAB54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 160-BQFP
- Series:
- MCF520x
- Packaging:
- Tray
- Product Status:
- Obsolete
- Core Processor:
- Coldfire V2
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 54MHz
- Co-Processors/DSP:
- -
- RAM Controllers:
- DRAM
- Graphics Acceleration:
- -
- Display & Interface Controllers:
- -
- Ethernet:
- -
- SATA:
- -
- USB:
- -
- Voltage - I/O:
- 3.3V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 160-QFP (28x28)
- Additional Interfaces:
- EBI/EMI, I2C, UART/USART
MCF5206EAB54 FAQ
1.How can I place an order for MCF5206EAB54 through Aetrix?
Please submit a Request for Quotation (RFQ) for MCF5206EAB54 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MCF5206EAB54 reliable?
The price and inventory of MCF5206EAB54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCF5206EAB54 is usually 5 days.
3.What payment methods are accepted for MCF5206EAB54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCF5206EAB54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCF5206EAB54?
MCF5206EAB54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCF5206EAB54 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MCF5206EAB54?
For technical support, including MCF5206EAB54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCF5206EAB54 requirements.
6.How does Aetrix verify that MCF5206EAB54 is sourced from the original manufacturer or authorized distributors?
All MCF5206EAB54 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MCF5206EAB54 meets industry standards.
7.What is the process for return or replacement of MCF5206EAB54?
All MCF5206EAB54 units undergo pre-shipment inspection (PSI). If there is an issue with MCF5206EAB54, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MCF5206EAB54 part is unused and in its original packaging.
Return procedure for MCF5206EAB54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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