MC9S12A256CCPV - 16-bit 25MHz MCU | NXP | Automotive
料号： MC9S12A256CCPV ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.0047 | $1.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC9S12A256CCPV 概述
A microcontroller is a programmable semiconductor device that combines a CPU core, memory, timers, communication interfaces, interrupt logic, and other peripherals on one integrated circuit. In the power-management and embedded hierarchy, the MC9S12A256CCPV is an embedded microcontroller rather than a discrete semiconductor or analog power component. Its 16-bit data paths support automotive and industrial control tasks requiring deterministic embedded processing and external peripheral integration.
The principal verified feature set includes a 16-bit HCS12 core, 25 MHz operating frequency, 256 KB Flash, and 112-pin LQFP packaging. The LQFP package provides a larger lead-bearing footprint than small QFN packages and is suitable for boards that need accessible inspection, rework, or a conventional leaded SMT assembly process. Flash memory supports firmware storage, while the integrated system resources simplify clock, interrupt, and bus management.
Typical application areas include automotive body and chassis electronics, industrial controllers, embedded control modules, sensor-conditioning systems, and communication hubs. A design should provide the required clock, reset, power, and decoupling arrangements, and should validate every peripheral pin against the manufacturer datasheet. Because the provided search results do not expose the complete electrical limits or package drawing, detailed voltage, temperature, timing, and pin-function values must be confirmed from the original documentation.
The most important sourcing consideration is package and pin compatibility. MC9S12A256CPVE is also identified in distributor results as a 112-LQFP, 256 KB Flash, 25 MHz S12A MCU, but the supplied data does not explicitly establish a complete pin-to-pin equivalence for the exact CCPV ordering code. Verify the datasheet, temperature grade, qualification marking, and lifecycle status before substituting.
This page consolidates verified distributor findings, the available datasheet references, practical design guidance, and sourcing constraints. It does not infer unverified RAM size, peripheral details, electrical ratings, pricing tiers, or cross-brand replacements. For production sourcing, confirm the exact ordering information, authorized distributor inventory, and manufacturer documentation before committing the design to manufacturing.
直接替换替代料： MC9S12A256CCPV ——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： MC9S12A256CCPV （相同外形与封装尺寸） ——差异在于 Package, Supply Voltage, ADC, Debug Interface, Maximum Clock Frequency.
快速对比工具——选择替代料号进行并排对比：
MC9S12A256CPVE
✅ 直接替换📋 参考替代料（不在目录中）
MC9S12H256VFVE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$10.95 / 个
查看数据手册 →MC9S12DT256CPVE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$20.85 / 个
查看数据手册 →MC9S12DT256CMPV
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$11.5 / 个
查看数据手册 →MC9S12XA512CFV
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$17.85 / 个
查看数据手册 →MC9S12C64CFUE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$8.2 / 个
查看数据手册 →MC9S12B64CFUE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$10.1 / 个
查看数据手册 →MC9S12A256CCPV 最大额定值与电气特性
| Product Type | 16-bit HCS12 microcontroller |
| Product Family | MC9S12A256 |
| 最大时钟频率 | 25 MHz |
| Flash Memory | 256 KB (256K x 8) |
| Data Path | 16-bit |
| CPU | HCS12 core |
| External Bus | 8-bit narrow mode supported by the verified family description |
| 封装 | 112-LQFP (20 mm x 20 mm) |
| Package Family | LQFP |
| 安装类型 | Surface Mount |
| System Integration Module | Manages system resource mapping, clock generation, interrupt control, and bus interfacing |
MC9S12A256CCPV lqfp 引脚配置指南
MC9S12A256CCPV（lqfp 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： MC9S12A256CCPV.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S12A256CCPV 适用于 6 应用s: Automotive Body Control Module, Industrial Embedded Controller, Sensor and Actuator Hub, Communication Gateway Module, Motor Control and Machine Interface, Diagnostic and Test Controller.
Automotive Body Control Module
The MC9S12A256CCPV fits a body-control role where a 16-bit HCS12 core, 25 MHz maximum clock, and 256 KB Flash provide a practical combination of control processing and nonvolatile firmware storage. It can coordinate switch inputs, actuator outputs, diagnostic logic, and communication peripherals in a vehicle electronic module. The verified data does not enumerate the complete I/O list, so the designer must confirm the exact CCPV pin multiplexing, voltage limits, automotive qualification, and transient requirements before schematic capture. Compared with a small 8-bit MCU, the architecture offers greater arithmetic and memory headroom, but it also requires careful validation of clocking, reset, watchdog behavior, and EMC layout.
推荐
Industrial Embedded Controller
For industrial equipment, the MC9S12A256CCPV can serve as the central controller for sequencing machinery, reading sensors, driving outputs, and maintaining a local control state machine. Its 25 MHz maximum clock is suitable for deterministic control-loop and communication-handling tasks, while 256 KB Flash provides room for application firmware and configuration data. The external bus support described for the family can help connect memory or peripheral resources, although the exact bus width, timing, and address map must be confirmed from the datasheet. A robust design should isolate noisy power and motor paths, validate watchdog recovery, and provide tested brownout and reset behavior for long-duration industrial operation.
推荐
Sensor and Actuator Hub
The MC9S12A256CCPV is appropriate for a hub that aggregates inputs from sensors and drives discrete or intelligent actuators through embedded control software. Its 16-bit HCS12 architecture and 256 KB Flash allow local filtering, state management, diagnostic rules, and protocol handling without relying entirely on a higher-level processor. The supplied evidence confirms system resource mapping, interrupt control, clock generation, and bus interfacing in the S12A family, but it does not specify ADC, PWM, communication, or GPIO counts. Therefore, the application must begin with a verified peripheral and pin-function matrix, then assign filtering, pull components, protection networks, and timing margins before layout.
推荐
Communication Gateway Module
A communication gateway can use the MC9S12A256CCPV to manage protocol conversion, buffering, diagnostics, and host-interface coordination. The verified S12A description specifically identifies bus interfacing, interrupt control, and clock generation as system-integration functions, which are relevant to an interrupt-driven embedded communications design. The 25 MHz clock and 16-bit data paths help support deterministic protocol tasks, while 256 KB Flash can hold firmware tables and application logic. Exact CAN, serial, or other interface availability is not present in the supplied data, so the designer must confirm the peripheral set, pin multiplexing, electrical levels, and bus timing from the manufacturer documentation.
推荐
Motor Control and Machine Interface
The MC9S12A256CCPV can be evaluated for machine-control tasks where deterministic firmware execution, external bus access, and substantial Flash capacity are important. It may coordinate motor-command sequencing, position or speed state, safety monitoring, and service diagnostics in a larger control module. The supplied data does not verify PWM resolution, capture channels, analog interfaces, or motor-driver resources, so suitability cannot be concluded from clock speed alone. Validate the complete peripheral list, timing requirements, thermal environment, fault-safe shutdown path, and output-drive topology before selecting it for a motor-control board.
推荐
Diagnostic and Test Controller
The MC9S12A256CCPV can support a diagnostic controller or test fixture controller where firmware must coordinate measurement sequencing, interface handling, fault logging, and service commands. Its 25 MHz maximum clock provides useful execution headroom, and 256 KB Flash allows firmware to retain relatively extensive tables or self-test routines. The external bus and interrupt architecture can simplify concurrent responses from connected equipment, but exact electrical and peripheral specifications remain unavailable in the supplied verified results. A production design should verify supply tolerance, pin states during reset, watchdog settings, communication timing, and the package’s 112-LQFP assembly requirements.
推荐
推荐产品汇总
工程参考数据： MC9S12A256CCPV ——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 | MC9S12A256CPVE | MC9S12H256VFVE | MC9S12DT256CPVE | MC9S12DT256CMPV | MC9S12XA512CFV |
|---|---|---|---|---|---|---|
| Package | 112-LQFP (20 mm x 20 mm) | 112-LQFP | 112-LQFP | 112-LQFP | 112-LQFP | 112-LQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
关键差异点
- Directly identified 256 KB Flash and 25 MHz rating （对比 MC9S12H256VFVE)
- 112-LQFP package compatibility class （对比 MC9S12DT256CPVE)
- Explicit 16-bit HCS12 positioning （对比 MC9S12C64CFUE)
设计说明
Confirm the exact CCPV supply-voltage range, absolute maximum ratings, reset behavior, and decoupling requirements from the manufacturer datasheet before placing capacitors or selecting a regulator. The supplied verified data does not provide the power-pin count or voltage limits. Keep the MCU supply branch physically separate from noisy actuator and motor-return paths, and validate startup, brownout, and watchdog recovery on the final board rather than relying only on nominal laboratory power.
Treat the 112-LQFP footprint as a fine-pitch assembly item: follow the exact manufacturer land pattern, pad dimensions, solder-mask rules, and paste volume, and verify the package drawing for the CCPV suffix. Place required clock, reset, and decoupling components close to their associated pins, provide adequate ground-plane continuity, and inspect solder joints after reflow. Do not reuse the CPVE board footprint solely from the distributor snippet without confirming the pin map.
Route clock and sensitive signal paths away from switching nodes and high-current return paths, while keeping the ground reference continuous beneath the MCU and its support circuitry. If the design uses the external bus, constrain bus length and crosstalk according to the verified timing specification, and add series damping only where signal-integrity analysis supports it. Because pin functions and muxing are not included in the supplied results, perform a complete signal audit after the authoritative pinout is available.
Do not treat MC9S12A256CPVE, MC9S12H256VFVE, or other S12A devices as drop-in replacements solely because their listings mention similar memory, speed, or package families. Check the exact ordering suffix, pin names, multiplex functions, supply limits, temperature range, qualification marking, and lifecycle status. Also confirm the number of pins in the package and the manufacturer land pattern before committing a PCB revision.
合规信息
The supplied search results include a link mentioning a Freescale REACH statement and UL94 plastics flammability information, but they do not provide a complete compliance declaration for the exact MC9S12A256CCPV ordering code. RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals status remain unknown.
