MC9S12D64VFU - 16-Bit 25MHz 64KB MCU | NXP
料号： MC9S12D64VFU ✓ 量产中MC9S12D64VFU 概述
A microcontroller is a programmable semiconductor device that combines a processor core, memory, and peripherals in one integrated circuit. Within the broader hierarchy of semiconductor and embedded processing, the MC9S12D64VFU provides firmware-controlled digital control, communication, timing, and input/output processing. Its HCS12 core uses a 16-bit CISC architecture, making it suitable for embedded control systems that benefit from broad peripheral integration and established automotive ecosystem support.
The primary engineering characteristics are a 25 MHz operating clock, 64 KB Flash program memory, 16-bit CPU architecture, and 80-QFP package. The Flash memory provides a nonvolatile location for application code, while the CISC instruction set supports compact control routines. The product listing identifies the device as a 2.5 V or 5 V automotive-grade microcontroller with an industrial temperature grade. Its square QFP package uses gull-wing leads for board-level mounting.
Technical differentiation from older or more specialized automotive controllers depends on application timing, memory demand, peripheral availability, and qualification requirements. The 25 MHz HCS12 core is suitable for real-time automotive subsystems that need deterministic control without moving to a larger pin-count package. Designers should still verify peripheral assignments, clock configuration, memory map, and external component requirements against the NXP MC9S12D64VFU datasheet before releasing a PCB or production firmware.
Typical applications include electronic throttle and body-control modules, engine and transmission controllers, dashboard and climate-control electronics, sensor aggregation units, actuator controllers, and general automotive I/O modules. The combination of 64 KB Flash, AEC-Q100 identification, and a compact 80-lead package is especially relevant where code storage, qualification, and board area must be balanced.
A critical design consideration is validation of the device variant suffix and pin assignment for the intended automotive program. Confirm the 2.5 V or 5 V operating condition, clock implementation, external crystal or resonator requirements, decoupling, programming interface, and exposed-board handling guidelines directly from the manufacturer documentation.
This product page combines the exact device identity, verified package and core specifications, qualified-drop-in analysis, application guidance, and practical design notes. It also distinguishes the directly interchangeable VFUE ordering code from MC9S12D64VFU so procurement teams can maintain controlled, traceable component substitutions.
直接替换替代料： MC9S12D64VFU ——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： MC9S12D64VFU （相同外形与封装尺寸） ——差异在于 Supply Voltage, Core Architecture, Flash Memory, Manufacturer, Package.
MC9S12D64VFUE
✅ 直接替换联系询价
查看数据手册 →MC9S12D64VFU 最大额定值与电气特性
| Product Type | 16-bit HCS12 automotive microcontroller |
| Manufacturer | NXP Semiconductors |
| Maximum CPU Frequency | 25 MHz |
| CPU Architecture | 16-bit CISC |
| Core | HCS12 |
| Flash Memory | 64 KB |
| Program Memory Organization | 64K x 8 bits |
| 电源电压 | 2.5 V or 5 V |
| 封装 | 80-QFP |
| Package Dimensions | 14 mm x 14 mm |
| Terminal Count | 80 pins |
| Lead Form | Gull wing |
| Package Shape | Square |
| 安装类型 | Surface mount |
| Temperature Grade | Industrial |
| Automotive Qualification | AEC-Q100 qualified |
MC9S12D64VFU square 引脚配置指南
MC9S12D64VFU（square 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： MC9S12D64VFU.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S12D64VFU 适用于 6 应用s: Automotive Body Control Module, Engine and Transmission Control, Dashboard and Climate-Control Electronics, Sensor Aggregation Unit, Automotive Actuator Controller, Automotive Communication Gateway.
Automotive Body Control Module
The MC9S12D64VFU fits an automotive body-control module because its 16-bit HCS12 core operates at up to 25 MHz and provides 64 KB of Flash for control routines. The 80-QFP package preserves a compact 14 mm by 14 mm board footprint for distributed door, lighting, or actuator-control electronics. Its AEC-Q100 identification supports automotive qualification planning, while the 2.5 V or 5 V supply options permit integration with appropriately designed vehicle power systems. Firmware should combine periodic switch sampling with event-driven control, and production validation must confirm timing, transient immunity, and device temperature limits against the target module requirements.
推荐
Engine and Transmission Control
The MC9S12D64VFU can support compact powertrain control functions because its 16-bit CISC HCS12 architecture runs at 25 MHz and includes 64 KB of nonvolatile program memory. The controller is appropriate for coordinating sensor inputs, actuator outputs, and diagnostic logic when the complete algorithm fits the available Flash and timing envelope. Its 80-lead QFP package offers more connection capacity than a small controller package while retaining a 14 mm by 14 mm footprint. Design the power stage, sensor interfaces, and communication links around automotive transient requirements, and verify worst-case interrupt latency and execution time for every safety-relevant control task.
推荐
Dashboard and Climate-Control Electronics
The MC9S12D64VFU is suitable for dashboard and climate-control modules that combine switch scanning, indicator control, and communication in one embedded processor. A 25 MHz HCS12 core provides deterministic execution for periodic UI and thermal-control tasks, while 64 KB of Flash stores application code and calibration parameters. The square 80-QFP package provides 80 gull-wing connections for digital, analog, and serial signaling without requiring a larger package. Place decoupling close to the supply pins, route sensitive sensor and communication paths away from switching nodes, and validate operation across the complete automotive temperature and supply-transient range required by the vehicle program.
推荐
Sensor Aggregation Unit
The MC9S12D64VFU can act as an automotive sensor-aggregation node when several analog, digital, and communication inputs must be sampled and conditioned in one controller. Its 16-bit HCS12 CISC core operates at up to 25 MHz, supporting deterministic sampling schedules and protocol handling, while 64 KB of Flash stores the acquisition and filtering application. The 80-QFP package offers a practical balance between pin availability and board area for a 14 mm by 14 mm module. Engineers should establish input protection, grounding, filtering, and calibration strategies for each sensor type, then confirm timing margins under the highest specified bus and processing load.
推荐
Automotive Actuator Controller
The MC9S12D64VFU is applicable to compact actuator controllers that translate sensor and network commands into precise motor, valve, or relay operation. The 25 MHz HCS12 core provides real-time sequencing capability, and the 64 KB Flash area can hold motion tables, diagnostic logic, and communication handlers. Its 80-QFP package allows dedicated control, feedback, and protection signals to be routed on a surface-mount assembly. A robust design must include driver short-circuit protection, defined fault states, and safe output behavior during reset. Timing analysis should include worst-case task latency, actuator settling time, and the consequences of missing a diagnostic deadline.
推荐
Automotive Communication Gateway
The MC9S12D64VFU can support a compact vehicle communication gateway that bridges multiple digital buses or converts sensed vehicle information for downstream controllers. Its 16-bit CISC core at 25 MHz is suitable for protocol handling, message validation, routing tables, and diagnostic services, while 64 KB of Flash stores the gateway application and configuration data. The 80-QFP package offers sufficient connections for multiple communications and diagnostics interfaces within a 14 mm by 14 mm outline. Bus transceivers, termination, isolation where required, and connector protection are external to the MCU. Production validation should cover bus error rates, message-loss recovery, wake behavior, and network-load timing margins.
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推荐产品汇总
工程参考数据： MC9S12D64VFU ——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 | MC9S12D64VFUE |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Package | 80-QFP (14x14) | 80-QFP - same package and pin count |
| CPU Architecture | 16-bit HCS12 CISC | 16-bit HCS12 CISC |
| Maximum CPU Frequency | 25 MHz | 25 MHz - 0 MHz difference |
| Flash Memory | 64 KB | 64 KB - 0 KB difference |
| Terminal Count | 80 pins | 80 pins - 0-pin difference |
关键差异点
- Exact 16-bit HCS12 core match （对比 MC9S12D64VFUE)
- Identical maximum clock capability （对比 MC9S12D64VFUE)
- Identical program-memory capacity （对比 MC9S12D64VFUE)
- Same 80-pin board footprint （对比 MC9S12D64VFUE)
设计说明
Assign every signal from the NXP MC9S12D64VFU pin-description table before laying out the 80-QFP footprint. Keep the 25 MHz clock routing short and symmetrical, place decoupling capacitors at the supply pins, and avoid routing communications or sensor inputs beneath noisy power-conversion stages. Pay particular attention to programming, reset, and debug access because an incorrect 80-pin orientation can make an otherwise functional board unserviceable.
Design the supply network for the device's stated 2.5 V or 5 V operating condition and validate startup, load transitions, and automotive transients at the board level. Use separate paths for sensitive analog references where applicable, and verify that regulator droop does not disturb the 25 MHz core. The MCU's exact current consumption is operating-mode dependent, so measure the complete mode profile rather than applying a single assumed current value.
Do not treat a matching 80-QFP outline as proof of full interchangeability. The documented MC9S12D64VFUE option matches the target on core architecture, 25 MHz frequency, 64 KB Flash, and pin count, but suffix changes can represent ordering, temperature, qualification, or marking differences. Obtain the manufacturer pin and qualification comparison, then secure engineering approval before substituting it into a released automotive BOM.
Thermal requirements depend on the final board, copper area, ambient temperature, and vehicle operating environment. Estimate junction behavior from the selected package thermal data, actual switching activity, and measured board performance rather than relying on package size alone. Maintain adequate copper around the QFP leads where the package design permits it, and verify that automotive soak and transient requirements are met at the highest expected ambient temperature.
合规信息
The MC9S12D64VFU product information identifies the device as AEC-Q100 qualified. RoHS, REACH, lead-free, halogen-free, and conflict-minerals declarations were not established for the exact ordering code and require confirmation through current manufacturer material declarations.