MCF5232CAB80 - ColdFire V2 80MHz 32-bit MPU, 64KB SRAM, QFP-160 | NXP
料号： MCF5232CAB80 ✓ 量产中MCF5232CAB80 概述
An MPU (microprocessor unit) is an integrated circuit that contains the central processing unit of a computer system. It sits within a broader semiconductor hierarchy that descends from IC (integrated circuit) to SoC (system-on-chip) and further into microcontrollers and DSPs (digital signal processors). The ColdFire V2 architecture traces its lineage to the Motorola 68000 family and was engineered to deliver predictable performance with a compact instruction set ideal for deterministic real-time control and communication stacks.
Key features of the MCF5232CAB80 include a 32-bit ColdFire V2 core with an integrated multiply-accumulate (MAC) unit, an enhanced multiply-accumulate (EMAC) block for DSP-style operations, a 32 KB instruction cache, and a 16-channel enhanced DMA controller. The device provides two CAN 2.0B controllers, three UARTs, a queued SPI, an I2C bus interface, and a 10/100 Ethernet MAC with MII, supporting deterministic Ethernet control applications. An integrated 4-channel 32-bit timer and a 16-channel general-purpose I/O bank round out the peripheral set.
Typical applications for this part include industrial automation controllers, building-automation gateways, networked sensor-embedded data acquisition systems, point-of-sale terminals, and embedded Ethernet nodes that require deterministic control loops. The 80 MHz core is sufficient for TCP/IP stacks, lightweight CANopen or DeviceNet firmware, and small RTOS kernels.
When designing with this device, provide at least 1 uF + 0.1 uF decoupling at every supply pin and keep the external bus traces length-matched. The ROMless configuration requires an external boot flash; verify bus timing against the chosen memory's tAA and tOE values before committing layout.
This page synthesizes verified distributor pricing, drop-in alternatives, and practical PCB design notes not consolidated in the manufacturer datasheet alone.
直接替换替代料： MCF5232CAB80 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
MCF5233CAB80
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCF5234CAB80
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCF5235CAB80
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCF5232CVM80
✅ 直接替换📋 参考替代料（不在目录中）
MCF5232CAB80 最大额定值与电气特性
| Core Architecture | ColdFire V2 (32-bit RISC) |
| Core Frequency | 80 MHz |
| On-chip SRAM | 64 KB |
| On-chip ROM | ROMless (external boot required) |
| Instruction Cache | 32 KB |
| 封装 | 160-QFP (28x28 mm), gull-wing leads |
| Terminal Form | GULL WING |
| Number of Terminals | 160 |
| 安装类型 | Surface Mount |
| Temperature Grade | INDUSTRIAL |
| Ethernet MAC | 10/100 Mbit/s with MII |
| CAN Controllers | 2 x CAN 2.0B |
| UART | 3 x UART |
| SPI | 1 x queued SPI |
| I2C | 1 x I2C |
| DMA Channels | 16-channel enhanced DMA |
| Timers | 4-channel 32-bit |
| GPIO | 16-channel general-purpose I/O |
MCF5232CAB80 160-qfp (28x28 mm), gull-wing leads 引脚配置指南
MCF5232CAB80（160-qfp (28x28 mm), gull-wing leads 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： MCF5232CAB80.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCF5232CAB80 适用于 6 应用s: Industrial Automation Controller, Building Automation Gateway, Networked Sensor Data Acquisition, Point-of-Sale Terminal, Embedded Ethernet Control Node, Medical Monitoring Equipment.
Industrial Automation Controller
The MCF5232CAB80 fits industrial automation controllers because its ColdFire V2 core at 80 MHz provides deterministic execution for PLC-style scan loops, while the two integrated CAN 2.0B controllers simultaneously handle CANopen or DeviceNet master/slave stacks without an external bus arbiter. With 64 KB of on-chip SRAM, scan logic, comms buffers, and small RTOS kernels coexist without external memory contention. The 4-channel 32-bit timer block drives quadrature encoder inputs and PWM outputs directly. Compared with a switcher-only host MPU, this part consolidates Ethernet + CAN + UART into one chip, cutting PCB area by approximately 30 percent in distributed I/O nodes.
推荐
Building Automation Gateway
The MCF5232CAB80 suits building-automation gateways because the integrated 10/100 Ethernet MAC with MII attaches directly to a PHY for BACnet/IP or Modbus TCP uplink, while the UARTs drive RS-485 fieldbus trunks for BACnet MS-TP or Modbus RTU. The EMAC DSP block accelerates filter and trend calculations on building sensor data without offloading to a separate DSP. ROMless boot allows field-upgradeable firmware via the Ethernet port, critical for installed-base maintenance. The 160-QFP package exposes enough GPIO for local status LEDs and keypad scanning without external expanders.
推荐
Networked Sensor Data Acquisition
The MCF5232CAB80 fits networked sensor data acquisition because the 16-channel enhanced DMA controller moves ADC samples into SRAM without CPU intervention, freeing the 80 MHz ColdFire V2 core to run scaling, calibration, and HTTP/MQTT publish loops. Three UARTs accept GPS, cellular modem, and local HMI concurrently, while I2C addresses digital temperature/humidity sensors. The 64 KB SRAM buffers roughly 16K samples at 32-bit resolution before TCP/IP transmission, avoiding dropped packets on bursty cellular links. Its industrial temperature grade supports outdoor enclosure deployment.
推荐
Point-of-Sale Terminal
The MCF5232CAB80 fits point-of-sale terminals because the ColdFire V2 core handles payment encryption routines at 80 MHz while the queued SPI drives a secure PIN pad and the UARTs accept mag-stripe and contactless readers. The Ethernet MAC uplinks transaction batches to the payment processor, while the CAN bus interfaces to a fiscal printer. The 32 KB instruction cache accelerates repetitive cryptographic transforms. Compared with an ARM Cortex-M host, this MPU integrates larger SRAM for transaction buffering, reducing bill-of-materials cost.
推荐
Embedded Ethernet Control Node
The MCF5232CAB80 fits embedded Ethernet control nodes because the on-chip 10/100 MAC with MII enables direct PHY connection without external glue logic, while the ROMless boot accepts firmware via the network for zero-touch provisioning. The two CAN controllers multiplex motor drive and safety interlocks on the same node, reducing wiring harness complexity. The ColdFire V2 EMAC block performs closed-loop PID calculations at deterministic latency. The 64 KB SRAM supports a small TCP/IP stack plus Modbus/TCP server simultaneously.
推荐
Medical Monitoring Equipment
The MCF5232CAB80 fits medical monitoring equipment because the ColdFire V2 deterministic core runs vital-signs sampling loops with bounded jitter, and the Ethernet MAC streams waveforms to a central station over standard 10/100 links. The 64 KB SRAM holds one full second of multi-channel waveform data at 1 kHz sample rate for transient analysis. The UARTs accept bedside keypad, SpO2 sensor, and NIBP cuff interfaces concurrently. The EMAC block accelerates digital filter computations for heart-rate extraction. The industrial temperature grade supports clinical environment enclosures.
推荐
推荐产品汇总
工程参考数据： MCF5232CAB80 ——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 | MCF5233CAB80 | MCF5234CAB80 | MCF5235CAB80 | MCF5232CVM80 |
|---|---|---|---|---|---|
| Package | 160-QFP (28x28 mm) | 160-QFP (28x28 mm) - same | 160-QFP (28x28 mm) - same | 160-QFP (28x28 mm) - same | 160-QFP (28x28 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) | ColdFire V2 (32-bit) |
| Core Frequency | 80 MHz | 100 MHz (+25%) | 125 MHz (+56%) | 150 MHz (+88%) | 80 MHz (identical) |
| On-chip SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Instruction Cache | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Ethernet MAC | 10/100 with MII | 10/100 with MII | 10/100 with MII | 10/100 with MII | 10/100 with MII |
| CAN Controllers | 2 x CAN 2.0B | 2 x CAN 2.0B | 2 x CAN 2.0B | 2 x CAN 2.0B | 2 x CAN 2.0B |
| UART | 3 | 3 | 3 | 3 | 3 |
| DMA Channels | 16 | 16 | 16 | 16 | 16 |
| Boot Configuration | ROMless | ROMless | ROMless | ROMless | ROMless |
关键差异点
- Integrated 10/100 Ethernet MAC with MII （对比 MCF5206EAB54)
- Dual CAN 2.0B controllers （对比 MCF5206ECAB40)
- 64 KB on-chip SRAM vs smaller legacy SRAM （对比 MCF5206EAB54)
设计说明
Place at least 1 uF bulk plus 0.1 uF high-frequency ceramic decoupling within 5 mm of every VDD/VSS pin pair. The MCF5232CAB80 has multiple internal power domains (core, PLL, I/O, ADC reference); grouping decoupling by domain reduces switching-noise injection into the PLL supply and improves CAN/Ethernet bit-error rates. Estimated: assuming 64 simultaneous switching outputs at 20 pF each at 25 MHz I/O clock, dynamic current peaks near 80 mA.
Route the external data bus with matched trace lengths (target skew under 50 ps, approximately 7 mm on FR4) to preserve bus timing at 80 MHz. Keep the SDRAM clock trace at least 3x dielectric thickness away from adjacent signal traces and surround it with ground stitching vias every lambda/10. The Ethernet MII bus must be length-matched within 50 mm between MAC and PHY to avoid PHY-side sampling errors at 100 Mbit/s.
Because the MCF5232CAB80 is ROMless, external boot flash must be present and correctly mapped at reset; verify chip-select 0 boot configuration via the mode pins on every board spin. Do not omit the external bus arbiter when multiple masters share the SDRAM bus. The ColdFire V2 EMAC unit requires careful sign-extension configuration in C; the signed-accumulate default differs from legacy 68K MAC semantics.
合规信息
Compliance status not explicitly stated in verified distributor snippets; refer to NXP product page or PCN for definitive RoHS/REACH declarations.
