MCF5282CVM80 - ColdFire V2 80MHz MCU 512KB Flash | NXP
料号： MCF5282CVM80 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.62 | $256.20 |
| 100 | $22.74 | $2,274.00 |
| 500 | $20.1 | $10,050.00 |
| 1,000 | $17.85 | $17,850.00 |
MCF5282CVM80 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (flash/RAM), and peripherals (timers, communication interfaces, ADCs) on one die. The ColdFire V2 core is a variable-length RISC architecture derived from the original Motorola 68000 family, optimized for embedded control with deterministic interrupt response and lower power consumption than full M68k implementations. MCUs sit at the lowest tier of computing hierarchy, beneath microprocessors, application processors, and SoCs.
Key features of the MCF5282CVM80 include a 32-bit ColdFire V2 core at 80 MHz core clock, 512 KB program flash with 16 KB SRAM, 10/100 Ethernet MAC with MII/RMII interface, dual CAN 2.0B controllers, three UARTs, two I2C buses, an 8-channel 10-bit ADC, 4-channel 32-bit timers, and a queued serial peripheral interface (QSPI). It supports 3.0 V to 3.6 V single-supply operation with 5 V tolerant I/O on selected pins.
The MCF5282 architecture uses a Harvard-style bus with separate instruction and data paths to the on-chip flash, plus an enhanced multiply-accumulate (eMAC) unit for DSP-like operations. The integrated Ethernet and CAN peripherals make it suitable for industrial networking nodes where the MCU acts as both a protocol converter and a sensor/actuator controller.
Typical applications include industrial Ethernet gateways, building automation controllers, CAN-to-Ethernet bridges, point-of-sale terminals, and motor control front-ends. The 256-ball MAPBGA package exposes the full peripheral set including external memory bus, making it well suited for designs that need to offload larger program images or data buffers to external SDRAM.
When designing with this MCU, ensure the PCB uses the manufacturer-recommended 4-layer stack-up with continuous power planes under the MAPBGA, and that the 25 MHz Ethernet reference clock is routed with controlled impedance. The 512 KB flash supports in-application programming via the built-in flash controller, eliminating external boot memory.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same ColdFire V2 family, lifecycle status, and practical PCB layout guidance that goes beyond the manufacturer datasheet summary.
直接替换替代料： MCF5282CVM80 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MCF5282CVM80 （相同外形与封装尺寸） ——差异在于 Ethernet, Connectivity, Core Architecture, Program Memory Size, Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
MCF5282CVM66
✅ 直接替换✓ 有现货
$60.3 / 个
查看数据手册 →MCF5281CVM66
✅ 直接替换✓ 有现货
$32.77 / 个
查看数据手册 →MCF5280CVM80
✅ 直接替换✓ 有现货
$19.75 / 个
查看数据手册 →MCF5275LCVM166
✅ 直接替换✓ 有现货
$19.55 / 个
查看数据手册 →MCF5251CVM140
✅ 直接替换✓ 有现货
$18.2 / 个
查看数据手册 →MCF5282CVM80 最大额定值与电气特性
| Core | ColdFire V2 (32-bit) |
| Maximum Core Frequency | 80 MHz |
| Program Flash | 512 KB (512K x 8) |
| Operating Voltage | 3.0 V to 3.6 V |
| 封装 | 256-MAPBGA (17x17 mm) |
| 安装类型 | Surface Mount (BGA) |
| Ethernet MAC | 10/100 Mbps with MII/RMII |
| CAN Controllers | 2x CAN 2.0B |
| UART | 3 UARTs |
| I2C | 2 I2C buses |
| ADC | 8-channel 10-bit |
| Timers | 4-channel 32-bit |
| Serial Peripheral Interface | QSPI |
| External Memory Bus | Yes (SDRAM/FP/ROM controller) |
| 工作温度 | -40C to +85C (industrial) |
MCF5282CVM80 256-mapbga (17x17 mm) 引脚配置指南
MCF5282CVM80（256-mapbga (17x17 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MCF5282CVM80.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCF5282CVM80 适用于 6 应用s: Industrial Ethernet Gateway, Building Automation Controller, CAN-to-Ethernet Protocol Bridge, Point-of-Sale Terminal Controller, Motor Control Front-End, Embedded Web Server / IoT Edge Node.
Industrial Ethernet Gateway
The MCF5282CVM80 is purpose-built for industrial Ethernet gateway designs where the MCU must bridge fieldbus networks to TCP/IP infrastructure. Its integrated 10/100 Ethernet MAC with MII/RMII interface eliminates the need for an external PHY controller ASIC, while the dual CAN 2.0B controllers handle fieldbus traffic from CANopen or DeviceNet nodes. The 80 MHz ColdFire V2 core delivers sufficient MIPS to run lightweight TCP/IP stacks (uIP, lwIP) alongside protocol converters. With 512 KB flash, designers can embed web server firmware, configuration HTML pages, and Modbus TCP handlers without external storage. The 256-MAPBGA package supports the full external memory bus for designs that need off-chip SDRAM for packet buffering.
推荐
Building Automation Controller
Building automation systems such as BACnet gateways, HVAC controllers, and access management panels benefit from the MCF5282CVM80's combination of Ethernet, CAN, UART, and ADC peripherals in a single chip. The 80 MHz ColdFire V2 core handles BACnet/IP communication stacks while the dual CAN interfaces connect to HVAC variable-speed drives and sensor nodes. The 8-channel 10-bit ADC reads analog temperature, humidity, and pressure sensors without an external ADC chip, reducing BOM cost. The 512 KB flash supports BACnet object libraries plus device firmware, and the QSPI allows connection to external flash for data logging. Operating temperature range of -40C to +85C is suitable for basement mechanical rooms.
推荐
CAN-to-Ethernet Protocol Bridge
The MCF5282CVM80 is an ideal CAN-to-Ethernet bridge controller because it integrates both protocols natively without external ASICs. The dual CAN 2.0B controllers can each run at 1 Mbps and handle independent CAN buses simultaneously, useful for bridging between CANopen and DeviceNet segments. The Ethernet MAC enables transparent tunneling of CAN frames over TCP/IP or UDP, supporting remote diagnostics over wide-area networks. ColdFire V2's deterministic interrupt response ensures that CAN message latency stays within tight industrial bounds (typically under 100 us), which is critical for real-time control loops. The 256-MAPBGA footprint also exposes the external memory bus for adding a large CAN message log buffer in external SDRAM.
推荐
Point-of-Sale Terminal Controller
Point-of-sale (POS) terminals and payment kiosks use the MCF5282CVM80 as the main controller because of its Ethernet connectivity, multiple UARTs for peripherals (PIN pad, receipt printer, barcode scanner), and sufficient flash for embedded Linux or RTOS firmware. The 80 MHz ColdFire V2 core can run a lightweight RTOS plus TCP/IP networking for transaction processing and remote firmware updates. The QSPI peripheral connects to external SPI flash for storing graphical UI assets and transaction logs. With 512 KB flash and external memory bus support, designers can implement full TCP/IP-based payment protocols. The industrial temperature range supports deployment in unheated retail environments.
推荐
Motor Control Front-End
Motor control front-ends for variable frequency drives (VFDs) and servo amplifiers leverage the MCF5282CVM80's enhanced multiply-accumulate (eMAC) unit to run vector control algorithms alongside CANopen or EtherCAT communication stacks. The 8-channel 10-bit ADC samples current and voltage feedback signals at the rates needed for field-oriented control loops. Three UARTs and dual CAN channels handle simultaneous communication with the main controller, HMI panel, and safety module. The 256-MAPBGA package with exposed thermal pad supports the moderate power dissipation of an industrial-grade MCU running at full 80 MHz. Operating from a single 3.3 V supply simplifies the power tree design.
推荐
Embedded Web Server / IoT Edge Node
The MCF5282CVM80 can serve as a compact embedded web server for IoT edge nodes that need on-chip Ethernet without external PHY controllers. The 512 KB flash holds a lightweight HTTP server plus REST/CoAP handlers for cloud connectivity, while the Ethernet MAC enables direct connection to industrial routers or switches. The 8-channel ADC reads analog sensor data (temperature, pressure, flow) and exposes it over web interfaces. ColdFire V2's deterministic interrupt handling ensures that web request servicing does not delay real-time sensor sampling. With operating temperature of -40C to +85C, the part is qualified for outdoor enclosures and factory floor deployment.
推荐
推荐产品汇总
工程参考数据： MCF5282CVM80 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MCF5282CVM66 | MCF5281CVM66 | MCF5280CVM80 | MCF5275LCVM166 | MCF5251CVM140 |
|---|---|---|---|---|---|---|
| Package | 256-MAPBGA (17x17) | 256-MAPBGA (17x17) - same | 256-MAPBGA (17x17) - same | 256-MAPBGA (17x17) - same | 256-MAPBGA (17x17) - same | 256-MAPBGA (17x17) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) |
| Core Frequency | 80 MHz | 66 MHz (-18%) | 66 MHz (-18%) | 80 MHz (same) | 166 MHz (+108%) | 140 MHz (+75%) |
| Ethernet MAC | 10/100 Mbps MII/RMII | 10/100 Mbps MII/RMII | 10/100 Mbps MII/RMII | No Ethernet | 10/100 Mbps MII/RMII | 10/100 Mbps MII/RMII |
| CAN Controllers | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 1x CAN 2.0B | 1x CAN 2.0B |
| Lifecycle Status | NRND | NRND | NRND | NRND | Obsolete | Obsolete |
关键差异点
- Highest clock speed in MCF528x family at this part number （对比 MCF5282CVM66)
- Largest flash density in MCF528x family at this speed （对比 MCF5281CVM66)
- Integrated Ethernet MAC reduces external component count （对比 MCF5280CVM80)
设计说明
Estimated: The 256-MAPBGA (17x17 mm) package requires a 4-layer PCB stack-up with continuous ground and power planes under the BGA to provide proper signal return paths and to control impedance for the MII Ethernet signals. Use 0.5 mm pitch BGA escape routing with microvia-in-pad technology if the PCB fabricator supports it. Thermal vias under the central die-attached pad reduce junction-to-ambient thermal resistance from ~25 C/W down to ~12 C/W at typical 0.5 W dissipation.
The MCF5282CVM80 operates from a single 3.0 V to 3.6 V supply, but the analog Ethernet PHY supply (VDDA) and the PLL supply (VDDPLL) require filtered low-noise sources. Place a 10 uF bulk capacitor plus 100 nF decoupling capacitor within 5 mm of each VDD/VSS pin pair. The core draws approximately 80 mA at 80 MHz with peripherals active; a 500 mA LDO such as NCP1117 is adequate. Connect unused VSS pins to the ground plane through multiple thermal vias.
Do not exceed the 3.6 V absolute maximum on any I/O pin, even though the Ethernet MII pins are 5 V tolerant on selected signals. Verify the 25 MHz Ethernet reference clock meets the +/- 50 ppm accuracy requirement per IEEE 802.3 - a cheap crystal will cause PHY link failures. When migrating code from MCF5281 to MCF5282, double-check the flash sector map because the larger 512 KB flash uses different security bits and protection registers than the 256 KB variant.
合规信息
RoHS and REACH compliance not explicitly stated in the verified web data for MCF5282CVM80. NXP's standard lead-free BGA packaging applies. Not qualified to AEC-Q100 (industrial/consumer part, not automotive).
