NXP Semiconductors MCF5206EFT54
- Part No.:
- MCF5206EFT54
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 160-BQFP
- Datasheet:
-
MCF5206EFT54.pdf
- Description:
- IC MPU MCF520X 54MHZ 160QFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,668
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Product details
Overview
MCF5206EFT54 from Freescale Semiconductor is a Version 2 ColdFire® integrated microprocessor with a 54 MHz core 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 deterministic execution in industrial automation and communications equipment.
For engineers reviewing the MCF5206EFT54 datasheet, MCF5206EFT54 pinout, MCF5206EFT54 application, or MCF5206EFT54 equivalent, key selection criteria include its 54 MHz operation at 3.3 V, 208-pin PQFP package compatibility with MCF5206, and support for EDO/page-mode DRAM without external logic.
Technical Context
The MCF5206EFT54 implements a synthesizable Version 2 ColdFire core with Harvard architecture: separate 4 KB direct-mapped instruction cache and 8 KB on-chip SRAM enable single-cycle code/data access. Its MAC unit and hardware divide accelerate DSP-like arithmetic, while dual 16-bit multimode timers and two UARTs provide deterministic I/O timing.
System integration includes a DRAM controller supporting EDO and page-mode DRAMs, an I²C-compatible bus interface, JTAG debug support, and a 3.3 V core with 5 V–tolerant I/O pins-enabling direct interfacing to legacy 5 V peripherals without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 54 MHz - enables 50 Dhrystone 2.1 MIPS performance for real-time embedded control loops. |
| Instruction Cache | 4 KB direct-mapped - reduces instruction fetch latency and improves branch prediction efficiency. |
| On-Chip SRAM | 8 KB - provides zero-wait-state data storage for critical variables and stack operations. |
| MAC Unit | Integrated Multiply-Accumulate - accelerates FIR filtering, motor control algorithms, and audio processing. |
| DRAM Controller | Supports EDO and page-mode DRAM - eliminates need for external memory controllers in cost-sensitive designs. |
| I/O Voltage Tolerance | 5 V tolerant inputs on 3.3 V supply - allows direct connection to 5 V logic without level-shifting circuitry. |
| Operating Temperature | 0°C to +70°C - qualified for commercial/industrial ambient environments with passive cooling. |
Pinout & Package
Package: 208-pin plastic quad flat pack (PQFP), 28 × 28 mm, 0.65 mm pitch, lead-free compatible. Pin-compatible upgrade path from MCF5206.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDCORE | Core power supply | 3.3 V supply for CPU core and internal logic; requires local decoupling. |
| VDDIO | I/O power supply | 3.3 V supply for all I/O buffers; supports 5 V–tolerant input operation. |
| RESET | Active-low reset input | Synchronous de-assertion required; initiates full processor initialization sequence. |
| CLKIN | External clock input | Accepts 54 MHz crystal or oscillator signal; feeds PLL for internal clock generation. |
| DSACK0–DSACK3 | Dynamic bus acknowledge outputs | Indicate DRAM access completion; used for precise timing control of memory cycles. |
| SDA / SCL | I²C bidirectional data/clock | Enable system-level communication with EEPROMs, sensors, and PMICs using standard I²C protocol. |
Key Features
| Feature | Design Value |
|---|---|
| Version 2 ColdFire Core | Enhanced instruction set and pipeline over V1, enabling higher code density and reduced cycle count per instruction. |
| Hardware Divide Unit | Single-cycle integer division - eliminates software library overhead in control law computation and scaling routines. |
| Dual-Channel DMA | Enables concurrent memory-to-peripheral transfers (e.g., UART receive + timer capture) without CPU intervention. |
| Glueless DRAM Interface | Integrated address multiplexing, RAS/CAS control, and refresh logic - removes need for external DRAM controller ASIC or FPGA logic. |
| JTAG Debug Support | IEEE 1149.1-compliant boundary scan and real-time trace - enables non-intrusive firmware debugging and production test. |
Applications
| Industrial PLC Controller | Communications Gateway |
|---|---|
Use Scenario: Real-time ladder logic execution and fieldbus I/O scanning in compact programmable logic controllers. IC Role / Device Role / Timing Role: Central control processor managing deterministic I/O update cycles, timer-based motion profiles, and serial protocol stacks. Use Value: 54 MHz clock and on-chip SRAM ensure sub-millisecond scan times; DRAM controller supports extended tag databases without external memory ICs. | Use Scenario: Protocol translation between Modbus RTU, CAN, and Ethernet in industrial edge gateways. IC Role / Device Role / Timing Role: Host processor running dual UARTs for serial protocol handling and I²C for sensor/PMIC management. Use Value: Hardware divide and MAC accelerate CRC calculation and packet filtering; 5 V–tolerant I/O simplifies RS-485 transceiver interfacing. |
| Motor Drive Control Board | Medical Diagnostic Instrument |
Use Scenario: Closed-loop servo control with PWM generation, current sensing, and position feedback in compact drives. IC Role / Device Role / Timing Role: Real-time executor of PID loops and space-vector modulation using dual 16-bit timers and DMA-triggered ADC reads. Use Value: 8 KB SRAM stores coefficient tables and waveform buffers; MAC unit computes torque commands in <1 µs per sample. | Use Scenario: Embedded subsystem for ultrasound beamforming and display control in portable diagnostic devices. IC Role / Device Role / Timing Role: System-on-chip processor managing time-critical echo sampling, image buffering, and LCD interface timing. Use Value: Glueless DRAM interface supports high-bandwidth frame buffer access; JTAG debug enables FDA-compliant firmware validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded microprocessor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCF5206EMF54 | Same core, identical 54 MHz speed grade, but in 160-pin QFP package - smaller footprint, reduced I/O count (112 vs. 160 usable signals). | Limited peripheral access due to fewer pins; unsuitable for designs requiring full DRAM+UART+I²C+parallel I/O simultaneously. | Select MCF5206EMF54 only when board space is constrained and full I/O set is not required. |
| MCF5208EC | Successor ColdFire v2 device with 80 MHz max frequency, 16 KB SRAM, enhanced DMA, and USB 2.0 OTG - not pin-compatible. | Requires PCB redesign; supports richer connectivity (USB, faster Ethernet MAC), but increases BOM cost and power consumption. | Choose MCF5208EC for new designs needing higher throughput or USB host capability; not a drop-in replacement. |
Compared with MCF5206EFT54, MCF5206EMF54 trades I/O flexibility for compactness, while MCF5208EC delivers higher performance and modern interfaces at the cost of layout change and increased complexity-making MCF5206EFT54 optimal for cost-sensitive, I/O-rich legacy-upgrade applications.
Availability
MCF5206EFT54 is available at Aetrix Electronics and suitable for industrial automation, communications gateway, and motor drive control applications requiring stable component supply and long-term lifecycle support.
Supply support for MCF5206EFT54 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 and analog/mixed-signal ICs, focused on automotive, industrial, and networking markets.
The ColdFire family-including the MCF5206EFT54-was engineered to deliver 68K software compatibility with enhanced DSP capabilities and integrated peripherals for cost-sensitive, real-time embedded control.
FAQ
What is the maximum operating frequency of the MCF5206EFT54?
The MCF5206EFT54 operates at a maximum frequency of 54 MHz, delivering 50 Dhrystone 2.1 MIPS performance. This speed grade is factory-tested and guaranteed across the 0°C to +70°C temperature range. The MCF5206EFT54 uses an internal PLL to multiply the external CLKIN signal, and its timing closure is validated for 54 MHz operation with specified setup/hold margins on all control and data buses.
Does the MCF5206EFT54 support external DRAM without additional logic?
Yes, the MCF5206EFT54 integrates a full DRAM controller supporting EDO and page-mode DRAMs, including RAS/CAS multiplexing, refresh generation, and bank control. This enables glueless connection to standard 1 MB–16 MB DRAM modules, eliminating the need for external DRAM controller ASICs or FPGA glue logic in most embedded designs using the MCF5206EFT54.
Is the MCF5206EFT54 pin-compatible with earlier MCF5206 variants?
Yes, the MCF5206EFT54 is pin-compatible with the original MCF5206 in the same 208-pin PQFP package. Signal mapping, power pin locations, and I/O voltage assignments are identical, allowing direct PCB-level replacement to upgrade performance-delivering nearly three times the MIPS without layout changes. This compatibility is explicitly confirmed in Freescale's migration documentation for the MCF5206EFT54.
What debug interfaces does the MCF5206EFT54 provide?
The MCF5206EFT54 includes IEEE 1149.1 JTAG boundary-scan support for production testing and real-time in-circuit debugging. It also features a dedicated debug module with hardware breakpoints, watchpoints, and trace buffer support-enabling non-intrusive firmware analysis during development and validation of the MCF5206EFT54-based system.
Can the MCF5206EFT54 interface directly with 5 V peripherals?
Yes, the MCF5206EFT54 has 5 V–tolerant I/O pins when powered by its 3.3 V VDDIO supply. All general-purpose I/O, UART, and parallel port pins accept 0–5.5 V input signals without damage or level-shifting circuitry-simplifying integration with legacy 5 V sensors, transceivers, and logic devices in systems built around the MCF5206EFT54.
MCF5206EFT54 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
MCF5206EFT54 FAQ
1.How can I place an order for MCF5206EFT54 through Aetrix?
Please submit a Request for Quotation (RFQ) for MCF5206EFT54 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 MCF5206EFT54 reliable?
The price and inventory of MCF5206EFT54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCF5206EFT54 is usually 5 days.
3.What payment methods are accepted for MCF5206EFT54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCF5206EFT54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCF5206EFT54?
MCF5206EFT54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCF5206EFT54 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 MCF5206EFT54?
For technical support, including MCF5206EFT54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCF5206EFT54 requirements.
6.How does Aetrix verify that MCF5206EFT54 is sourced from the original manufacturer or authorized distributors?
All MCF5206EFT54 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 MCF5206EFT54 meets industry standards.
7.What is the process for return or replacement of MCF5206EFT54?
All MCF5206EFT54 units undergo pre-shipment inspection (PSI). If there is an issue with MCF5206EFT54, 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 MCF5206EFT54 part is unused and in its original packaging.
Return procedure for MCF5206EFT54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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