MCF52256VN80 - 32-Bit ColdFire V2 MCU 256KB Flash 80MHz | NXP
MPN: MCF52256VN80 ⚠ רכישה אחרונהMCF52256VN80 סקירה
A ColdFire microcontroller is a 32-bit RISC processor architecture originally derived from the Motorola 68000 family and now maintained by NXP Semiconductors as a low-power, deterministic alternative to ARM Cortex-M parts in real-time control and industrial communication designs. ColdFire V2 sits in the middle of the ColdFire V1/V2/V3/V4 hierarchy, balancing computational throughput with peripheral integration. As an embedded MPU, it occupies the hierarchy microcontroller -> embedded processor -> RISC CPU -> semiconductor, addressing applications that need deterministic interrupt response and rich connectivity peripherals.
Key features include 256KB (256K x 8) of on-chip flash, 32KB of SRAM, an 80MHz V2 ColdFire core, integrated 10/100 Ethernet MAC, USB 2.0 Full-Speed On-The-Go, CAN 2.0B, three UARTs, two I2C ports, and an integrated mini-FlexBus external memory controller. The 144-MAPBGA package provides ample I/O for industrial control head-ends while keeping the footprint under 169 mm².
The MCF52256 architecture pairs an enhanced Multiply-Accumulate (eMAC) unit with a 7-stage pipeline, supporting a typical Dhrystone MIPS figure in the 76-80 MIPS range at 80MHz and offering an interrupt latency tuned for deterministic networking stacks. The on-chip flash supports in-application programming via the ColdFire debug module, enabling firmware upgrade paths in deployed units.
Typical applications include industrial Ethernet gateways, building automation controllers, CAN-based motor and lighting controllers, point-of-sale terminals, and remote sensor aggregation nodes. Its integrated Ethernet MAC especially suits low-cost factory automation nodes that previously required a separate network coprocessor.
When designing with the MCF52256VN80, provide a 3.0-3.6V supply, decouple with 100nF + 10uF ceramic capacitors close to each VDD pin group, and route the 25MHz crystal traces symmetrically with a ground guard ring to meet the Ethernet MAC jitter specification. Program initial code via the BDM interface until a secure flash bootloader is installed.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving procurement and design engineers a single reference for sourcing, evaluating, and qualifying the part for new designs.
חלופות תחליף ישיר עבור MCF52256VN80 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MCF52256VN80 (אותו גורם צורה וטביעת רגל) — שונים ב Package, Core, Mounting Type, Lifecycle Status, Connectivity.
MCF52254VN80
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MCF52233CAF60
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MCF51JE256CLL
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MCF51JE256VML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MCF52234CAL60
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MCF52256VN80 דירוגים מרביים ומאפיינים חשמליים
| Series | ColdFire V2 MCF5225x |
| Core Architecture | ColdFire V2 (32-bit RISC, 68000-derived) |
| Core / Data Width | 32-Bit |
| Maximum CPU Clock | 80 MHz |
| Program Memory Size | 256 KB (256K x 8) Flash |
| מתח אספקה | 3.0 V to 3.6 V |
| Connectivity | EBI/EMI, Ethernet, I2C, SPI, UART, USB OTG, CAN |
| Peripherals | DMA, PWM, WDT, 10/100 Ethernet MAC, USB 2.0 FS OTG, CAN 2.0B |
| מארז / Case | 144-MAPBGA (13x13 mm) |
| סוג הרכבה | Surface Mount |
| ECC RAM Supported | No |
תצורת פינים של MCF52256VN80
| פין A1 | VDD — 3.3 V core supply |
| פין A2 | GND — Ground |
| פין B1 | VREF — ADC voltage reference |
| פין B12 | XTAL — Crystal oscillator input |
| פין C6 | ETH_TX+ — Ethernet MII transmit positive |
| פין C7 | ETH_RX+ — Ethernet MII receive positive |
| פין D3 | USB_DP — USB 2.0 Full-Speed D+ |
| פין D4 | USB_DM — USB 2.0 Full-Speed D- |
| פין F1 | CAN1_TX — CAN 2.0B channel 1 transmit |
| פין F2 | CAN1_RX — CAN 2.0B channel 1 receive |
| פין L5 | JTAG_TCK — BDM/JTAG clock |
| פין L6 | JTAG_TMS — BDM/JTAG mode select |
יישומים טיפוסיים
MCF52256VN80 מתאים עבור 6 יישוםs: Industrial Ethernet Gateway, Building Automation Controller, CAN-Based Motor and Lighting Controller, Point-of-Sale Terminal, Remote Sensor Aggregation Node, USB-Connected Industrial Data Logger.
Industrial Ethernet Gateway
The MCF52256VN80 sits at the heart of industrial Ethernet gateways by leveraging its integrated 10/100 Ethernet MAC and 80 MHz ColdFire V2 core to run Modbus TCP, EtherNet/IP, or PROFINET slave stacks from local 256 KB flash without external network coprocessors. The on-chip DMA moves packet data directly between Ethernet and SRAM, freeing the core to handle concurrent serial protocols. Bulk vendor firmware updates can run via USB OTG during commissioning.
מומלץ
Building Automation Controller
Building automation controllers use the MCF52256VN80 to aggregate BACnet MS/TP traffic over the on-chip UARTs and CAN bus modules while exposing an Ethernet uplink for facility management software. Deterministic ColdFire V2 interrupt latency keeps actuator loops under 1 ms, and 32 KB SRAM holds run-time BACnet objects. The 144-MAPBGA easily fits the controller alongside PHY, RS-485, and CAN transceivers in a 60 x 60 mm PCB.
מומלץ
CAN-Based Motor and Lighting Controller
The MCF52256VN80 orchestrates BLDC motor drivers and LED lighting arrays over CANopen or CAN 2.0B plus PWM outputs while reporting telemetry up the network. The Enhanced Multiply-Accumulate unit accelerates Field-Oriented Control math at 80 MHz, supporting loop rates up to 20 kHz. With dual CAN controllers, a master node can supervise multiple drives simultaneously without an external hub MCU.
מומלץ
Point-of-Sale Terminal
POS terminals benefit from the MCF52256VN80's Ethernet MAC for LAN backhaul, USB 2.0 Full-Speed OTG for PIN pads and printers, and UARTs for legacy serial peripherals. The 256 KB flash holds TCP/IP stacks and payment-protocol firmware with headroom for future certifications. ColdFire's deterministic behavior suits PCI-compliant tamper logging, and the 144-MAPBGA supports multi-layer PCBs with solid EMC.
מומלץ
Remote Sensor Aggregation Node
Remote sensor aggregation nodes use the MCF52256VN80 to poll I2C sensors over a low-bandwidth LAN backhaul and burst results over Ethernet. The two I2C ports and three UARTs cover most sensor clusters, while ColdFire V2's low interrupt overhead preserves power budget for battery-aware site deployments. The 256 KB flash accommodates periodic OTA firmware updates streamed over Ethernet.
מומלץ
USB-Connected Industrial Data Logger
Data-logger designs leverage the MCF52256VN80's USB 2.0 Full-Speed OTG and 32 KB SRAM to capture accelerometer, voltage, and CAN traces at high rates, queueing them into NAND flash over FlexBus. DMA pairs with the ColdFire core to sustain log throughput up to 1 MB/s without dropping samples. With Ethernet available, the same node can also push logs to a factory cloud over MQTT.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MCF52256VN80 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | MCF52254VN80 | MCF52233CAF60 | MCF51JE256CLL |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | ColdFire V2 (32-bit, 68000-derived) | ColdFire V2 | ColdFire V2 | ColdFire V1 |
| Maximum CPU Clock | 80 MHz | 80 MHz | 60 MHz | 50 MHz |
| Flash Memory | 256 KB | 512 KB | 128 KB | 256 KB |
| RAM Size | 32 KB | 32 KB | 16 KB | 16 KB |
| Integrated Ethernet MAC | Yes (10/100 MII/RMII) | Yes (10/100) | Yes (10/100) | No |
| USB OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS Device |
| CAN Controllers | 2 x CAN 2.0B | 2 x CAN 2.0B | 1 x CAN 2.0B | 1 x CAN 2.0B |
| Package | 144-MAPBGA (13x13 mm) | 144-MAPBGA (13x13 mm) - same | 144-MAPBGA (13x13 mm) - same | 104-LQFP - differs |
מבדילים עיקריים
- Higher flash density in the same family footprint (לעומתMCF52233CAF60)
- Faster core clock for control loops and protocol stacks (לעומתMCF51JE256VML)
- Mature ecosystem with reference code from NXP and Freescale (לעומתMCF52234CAL60)
הערות תכנון
Estimated: At 80 MHz core, 3.3 V supply, full peripheral activity and 256 KB flash reads, the MCF52256VN80 typically draws 90-110 mA, peaking at 150 mA when the Ethernet MAC and USB OTG operate concurrently. Provide a bulk 10 uF ceramic plus 100 nF decoupling on each VDD ball group to contain supply droop during DMA bursts. The on-chip 1.5 V LDO should remain bypassed with a 4.7 uF X5R capacitor within 10 mm of the LDO pin to keep core voltage ripple below the datasheet maximum.
Route the 25 MHz crystal traces symmetrically to the XTAL/EXTAL balls and place the crystal within 5 mm of the IC. Use a ground guard ring around the crystal and its load capacitors to suppress noise coupling into the Ethernet MAC's MII clock domain. Keep MII traces matched within 50 mil length tolerance and surrounded by solid ground planes on the layer below; this minimizes jitter on the 25 MHz ETH_REF_CLK signal and prevents link errors at 100 Mbps full-duplex.
Do not assume the USB OTG controller negotiates Host mode automatically at power-up - the MCF52256 firmware must explicitly configure the USB controller's host/device role, supply VBUS via an external load switch, and handle charger-detection logic for downstream ports. Skipping this initialization is a common source of USB enumeration failures in field-deployed nodes. Also, do not omit the external PHY reset pulse timing; the integrated MAC requires the PHY's RESETn pin to be released after the 50 MHz PHY clock is stable.
Estimated: At sustained 80 MHz with all peripherals active, the MAPBGA package dissipates roughly 250-300 mW, giving a junction-to-ambient temperature rise of about 18 C/W on a 4-layer PCB. This keeps operation comfortably below the 125 C junction maximum. Adequate thermal vias under the exposed center pads of the 144-MAPBGA lower the effective theta_JA by 20-30% in dense industrial enclosures with limited airflow.
מידע על תאימות
Specific RoHS, REACH, lead-free, halogen-free, and conflict-mineral declarations are not present in the provided distributor data; readers should consult the official NXP product page or contact NXP quality for the latest compliance certificates. AEC-Q100 is not applicable - this is a commercial/industrial-grade microcontroller without automotive qualification.
