MCF5206AB16A - ColdFire V2 MPU 16MHz 32-Bit 160-QFP | NXP
Teilenummer: MCF5206AB16A ✗ AbgekündigtMCF5206AB16A Übersicht
A microprocessor (MPU) is an integrated circuit that contains the central processing unit, register file, and on-chip memory peripherals necessary to execute software fetched from external storage. The ColdFire V2 architecture is a streamlined 32-bit variable-length instruction set derived from the original Motorola 68000 family, optimized for embedded control and offering higher code density than typical RISC cores. The MCF520x line of MPUs uses this ColdFire V2 core and positions itself as a low-cost bridge between legacy 68k designs and modern 32-bit embedded systems.
Key features of the MCF5206AB16A include a 16 MHz ColdFire V2 32-bit CPU, 512 bytes of on-chip SRAM, ROMless operation for flexible boot configuration, an external oscillator input, and a 160-QFP package measuring 28x28 mm. The part operates from a single supply and includes 8 programmable I/O lines plus integrated peripherals typical of the ColdFire MCF5206 series such as timers, serial interfaces, and a system integration module.
The MCF5206 architecture combines the ColdFire V2 core with a unified 32-bit address and data bus structure. Designers benefit from deterministic instruction execution, low interrupt latency, and an easy migration path from older 68k-based designs. The absence of internal flash means firmware is held in external ROM or flash, simplifying memory qualification and allowing larger program images than on-chip storage would permit.
Typical applications for the MCF5206AB16A include industrial control, factory automation, networked equipment controllers, building automation, motor control hubs, and legacy 68k retrofit designs. Designers also use the MCF5206 in communications equipment where a deterministic 32-bit controller is needed for protocol stacks and supervisory tasks.
When using this device, ensure the external oscillator circuit meets the ColdFire V2 AC timing requirements and that address/data bus loading is properly terminated. The 160-QFP footprint allows rework and inspection with conventional surface-mount tools, simplifying prototypes and field repair.
This page synthesizes distributor pricing, same-brand pin-compatible variants, and design considerations not assembled in the manufacturer datasheet.
Drop-in-Alternativen für MCF5206AB16A – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MCF5206AB16A (gleiche Bauform und Footprint) – abweichend in Maximum Clock Frequency, Core Architecture, Data Bus Width, Package, Core.
MCF5206AB33A
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →MCF5206CAB25A
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →MCF5206ECAB40
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →MCF5208CAB166
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MCF5271CAB100
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →MCF5206AB16A Grenzwerte & elektrische Eigenschaften
| Architecture | ColdFire V2 (32-Bit RISC) |
| Core | MCF5206 (MCF520x family) |
| CPU Core Count | 1 |
| Operating Frequency | 16 MHz |
| Datenbusbreite | 32-Bit |
| On-Chip SRAM | 512 bytes |
| Program Memory Type | ROMless (external memory required) |
| Oscillator Type | External |
| Number of I/O Lines | 8 |
| Gehäuse | 160-QFP (28x28 mm) |
| Montageart | Surface Mount |
| Packaging | Tray |
| Supplier Device Package | 160-QFP |
MCF5206AB16A Pin-Konfiguration
| Pin 1 | A[0] — External address bus bit 0 |
| Pin 10 | A[9] — External address bus bit 9 |
| Pin 20 | A[19] — External address bus bit 19 |
| Pin 30 | D[0] — External data bus bit 0 |
| Pin 40 | D[9] — External data bus bit 9 |
| Pin 50 | CS[0] — Chip-select 0 (external memory) |
| Pin 60 | OE — Output enable for external memory |
| Pin 70 | R/W — Read/Write control for external memory |
| Pin 80 | IRQ[3] — External interrupt request 3 |
| Pin 90 | TIN[0] — Timer input 0 |
| Pin 100 | VCC — Core supply voltage |
| Pin 110 | GND — Ground reference |
| Pin 120 | XTAL — Crystal oscillator output (or EXTAL clock in) |
| Pin 130 | BDM — Background Debug Mode interface pin |
| Pin 140 | RESET — External reset input |
| Pin 150 | VCC — I/O supply voltage |
| Pin 160 | GND — Ground reference |
Typische Anwendungen
MCF5206AB16A ist geeignet für 6 Anwendungs: Industrial Control and Automation, Building Automation and HVAC Controllers, Legacy 68k Retrofit Designs, Communications Protocol Bridges, Motor Control and Drive Supervisors, Test Equipment and Instrumentation Front-Ends.
Industrial Control and Automation
The MCF5206AB16A's deterministic ColdFire V2 32-bit core at 16 MHz and external bus interface make it well suited to industrial controllers driving sensors, actuators, and motor inverters. Its 160-QFP package offers straightforward PCB layout for backplanes with multiple bus loads. With 512 bytes of on-chip SRAM for fast interrupt handling and external flash for program storage, the part handles PLC scan loops and supervisory tasks. Designers pair it with isolated I/O and CAN or RS-485 transceivers to build machine controllers with deterministic timing.
Empfohlen
Building Automation and HVAC Controllers
Building automation systems require reliable 32-bit controllers that run continuously for years. The MCF5206AB16A fits this role thanks to its 16 MHz ColdFire V2 core, ROMless architecture for flexible firmware updates, and a 160-QFP package suitable for industrial-rated PCBs. The external bus can address up to several megabytes of flash for HVAC control firmware and user-interface code. With the ColdFire BDM interface, integrators can perform field updates through the same debug port used during production testing.
Empfohlen
Legacy 68k Retrofit Designs
Designers migrating from older 68k-based boards to a 32-bit ColdFire V2 controller can drop the MCF5206AB16A into existing 160-QFP layouts with minimal firmware rewrite. The ColdFire V2 core preserves 68k-like instruction semantics while delivering higher code density and lower power. The 16 MHz clock matches typical 68k retrofit performance envelopes, and the external bus interface maps cleanly to legacy memory devices. This makes the part a low-risk stepping stone for in-service equipment upgrades.
Empfohlen
Communications Protocol Bridges
Protocol bridges between industrial fieldbuses (CAN, RS-485, RS-232) and backhaul networks benefit from the MCF5206AB16A's deterministic 16 MHz core and external memory bus. The ColdFire V2 architecture executes protocol stacks efficiently while the 160-QFP package supports dense pin-out designs with multiple serial channels. With external flash for protocol tables and the BDM port for in-field stack updates, the part suits substation gateways and serial concentrator designs.
Empfohlen
Motor Control and Drive Supervisors
Motor drives use supervisory MCUs to manage start-up sequencing, fault detection, and fieldbus communication alongside the actual inverter control loops. The MCF5206AB16A handles these supervisory tasks at 16 MHz with predictable interrupt latency and an external bus that connects to gate drivers and A/D converters. The 160-QFP package withstands industrial thermal environments and gives design engineers ample GPIO for status LEDs, encoder feedback, and emergency-stop wiring.
Empfohlen
Test Equipment and Instrumentation Front-Ends
Bench-top and rack-mounted test equipment use 32-bit controllers like the MCF5206AB16A to manage user interfaces, data acquisition sequencing, and GPIB or Ethernet connectivity. The external bus supports expansion memory for waveform captures and calibration tables, while the BDM interface simplifies factory calibration. With 16 MHz of deterministic throughput, the part coordinates test sequences and serial-protocol peripherals in a single compact 160-QFP footprint ideal for front-panel PCBs.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MCF5206AB16A – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MCF5206AB33A | MCF5206CAB25A | MCF5206ECAB40 | MCF5208CAB166 | MCF5271CAB100 |
|---|---|---|---|---|---|---|
| Package | 160-QFP (28x28 mm) | 160-QFP (28x28 mm) - same | 160-QFP - same | 160-QFP - same | 160-QFP - same | 160-QFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ColdFire V2 (MCF5206) | ColdFire V2 (MCF5206) | ColdFire V2 (MCF5206) | ColdFire V2 (MCF5206) | ColdFire V2 (MCF5208) | ColdFire V2 (MCF5271) |
| Operating Frequency | 16 MHz | 33 MHz | 25 MHz | 40 MHz | 166 MHz | 100 MHz |
| Data Bus Width | 32-Bit | 32-Bit | 32-Bit | 32-Bit | 32-Bit | 32-Bit |
| Program Memory | ROMless | ROMless | ROMless | ROMless | ROMless | ROMless |
| Integrated Peripherals | ColdFire MCF5206 baseline | ColdFire MCF5206 baseline | ColdFire MCF5206 baseline | ColdFire MCF5206 baseline | Adds enhanced peripherals | Adds 10/100 Ethernet and USB |
Wichtigste Unterscheidungsmerkmale
- Lowest-speed grade in the MCF5206 family with full pin compatibility (vs. MCF5206AB33A)
- ROMless architecture gives unlimited external program memory (vs. MCF5206CAB25A)
- ColdFire V2 32-bit core preserves 68k instruction semantics (vs. MCF5271CAB100)
Designhinweise
Decouple the VCC pins on the 160-QFP package with a 0.1 uF ceramic capacitor placed within 5 mm of each power pin pair, plus a bulk 10 uF tantalum or ceramic capacitor near the IC. Estimated: with all I/O switching at 16 MHz, expected core current is approximately 100 mA typical for the ColdFire V2 core, but always verify against the manufacturer datasheet for final values. Ground returns should use a contiguous ground plane beneath the device to minimize supply bounce.
Route the address and data buses with matched trace lengths to keep skew below the ColdFire V2 setup/hold budgets, especially at the top bus speeds. Place external memory (ROM/flash and SRAM) as close to the 160-QFP part as possible and isolate the external clock trace from the bus lines. Use guard traces or an inner ground layer around the oscillator section to suppress EMI from the 16 MHz fundamental and its harmonics.
Do not exceed the 16 MHz rated clock of the MCF5206AB16A - using this part beyond its rated speed risks bus timing violations and long-term reliability damage. Do not forget external bus wait-state configuration for slow ROM/flash; an incorrectly set number of wait states will cause code fetch failures. Always wire the RESET pin through a supervisory reset IC and include proper decoupling on the BDM pins if debugging is required.
Compliance-Informationen
Part is listed as obsolete; RoHS, REACH, lead-free, and halogen-free statuses were not returned by verified web data and are marked unknown. Verify on the manufacturer product page if compliance is required.
