MC9S12B128VPV - 16-Bit 128KB Flash MCU | NXP
部品番号: MC9S12B128VPV ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC9S12B128VPV 概要
A microcontroller is a programmable semiconductor that executes firmware, reads inputs, controls outputs, and manages embedded-system communication. Within the product hierarchy, the MC9S12B128VPV is a 16-bit MCU, a CISC processor, an embedded Flash controller, and a semiconductor used in electronic control units. Automotive multiplexing designs commonly use multiple microcontrollers connected through communication networks to coordinate distributed vehicle functions while centralizing coordination among body, comfort, and related systems.
The verified product information identifies the core as HCS12, the instruction width as 16-bit, the Flash memory as 128 KB, and the supply options as 2.5 V and 5 V. Its 112-pin LQFP package provides a comparatively high pin count suitable for systems requiring numerous I/O resources and dedicated peripheral connections. The verified material does not provide detailed clock, RAM, CAN, timer, ADC, operating-temperature, or automotive-qualification values, so those parameters should be confirmed in the family documentation before schematic capture.
MC9S12B-family devices were designed for automotive multiplexing applications, and the family description specifically emphasizes pin compatibility across different memory and peripheral options. That architectural approach supports product scaling: engineers may select a family member according to Flash capacity or peripheral set while retaining package-level design continuity. It does not, by itself, prove that every family member is a drop-in replacement for MC9S12B128VPV.
Typical uses include body-control modules, vehicle multiplexing controllers, distributed automotive control units, sensor aggregation nodes, and actuator coordination controllers. In these systems, the MCU reads switches and sensors, executes control logic, manages communication links, and drives outputs. The 128 KB Flash capacity provides room for embedded software, while the 112-pin LQFP package exposes a broad external connection surface.
Design work should begin by downloading the MC9S12B family datasheet and confirming the exact VPV pin assignment, peripheral multiplexing, clock requirements, reset connections, programming interface, and decoupling. Because the search data confirms the family and package but does not expose a complete verified pin table, engineers should treat the published family documentation as the controlling source before layout or replacement decisions.
This product page consolidates verified source facts, package identity, application context, engineering caveats, and sourcing links. It adds design-oriented interpretation without presenting unverified clock, memory-map, qualification, or lifecycle claims as established specifications.
ドロップイン代替品: MC9S12B128VPV — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
この製品に利用可能なドロップイン代替品はありません。
代替品をリクエストMC9S12B128VPV 最大定格＆電気的特性
| Product Type | 16-bit HCS12 CISC microcontroller |
| Architecture | HCS12 16-bit CISC |
| Program Memory | 128 KB Flash |
| Operating Voltage Options | 2.5 V or 5 V |
| パッケージ | 112-pin LQFP |
| Application Focus | Automotive multiplexing |
| Family Pin Compatibility | Fully pin-compatible across available MC9S12B-Family memory and peripheral options |
| Core Instruction Set | CISC |
| Manufacturer | NXP Semiconductors / Freescale Semiconductor |
| 実装タイプ | Surface mount |
MC9S12B128VPV 112-pin lqfp ピン配置ガイド
MC9S12B128VPV (112-pin lqfp パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: MC9S12B128VPV.
詳細は データシート をご参照ください。
主な用途
MC9S12B128VPV の用途: 6 件s: Automotive Body-Control Module, Vehicle Multiplexing Controller, Central Body Electronics, Sensor Aggregation Node, Actuator Coordination Controller, Legacy Automotive Control Unit.
Automotive Body-Control Module
The MC9S12B128VPV fits a body-control role where one controller coordinates switches, sensors, indicators, locks, and distributed vehicle functions. Its verified 16-bit HCS12 CISC core provides deterministic embedded-control execution, while 128 KB Flash stores application code and diagnostic routines. The 112-pin LQFP exposes many external resources for multiplexed vehicle networks and discrete I/O. Because the supplied sources do not verify the exact communication channels or temperature grade, the final design must confirm those interfaces in the MC9S12B128 documentation.
おすすめ
Vehicle Multiplexing Controller
The MC9S12B128VPV is architecturally aligned with automotive multiplexing because MC9S12B devices were designed to coordinate distributed functions through a common microcontroller family. The controller can execute protocol logic, merge switch and sensor inputs, and generate actuator commands while the 128 KB Flash accommodates control and communication software. The 112-pin LQFP is useful for high peripheral connectivity, but communication baud rates, bus types, transceiver requirements, and diagnostic protocols must be verified before selecting external hardware.
おすすめ
Central Body Electronics
A central body-electronics controller can use the MC9S12B128VPV to consolidate repetitive vehicle functions and reduce distributed control hardware. Its 16-bit CISC architecture supports embedded state-machine logic, the 128 KB Flash provides code space, and the 112-pin package offers a large connection interface. Compared with a smaller general-purpose MCU, the verified package presents more pins, although actual usable I/O depends on voltage, multiplexing, and ground allocation. Validate wake-up, sleep behavior, watchdog operation, and automotive transient requirements against the exact datasheet.
おすすめ
Sensor Aggregation Node
The MC9S12B128VPV can serve as a sensor-aggregation node when it must gather digital inputs, run control logic, and forward information through vehicle communication links. Its 128 KB Flash is sufficient for many embedded monitoring and diagnostic routines, and its 112-pin LQFP allows connection to multiple sensors and communication transceivers. Engineering verification is essential because the provided data does not specify ADC resolution, sensor interfaces, input thresholds, timer channels, or low-power behavior; those omissions prevent a definitive analog-node selection.
おすすめ
Actuator Coordination Controller
In actuator-coordination systems, the MC9S12B128VPV can execute sequencing logic for motors, relays, lamps, and other controlled loads while managing diagnostic feedback. The HCS12 CISC architecture supports embedded firmware without requiring an external processor, and the 112-pin package provides many signal connections. Designers must still verify output-driver capabilities, logic levels, timing protection, watchdog behavior, and load-switching requirements; the supplied search evidence does not establish these electrical details.
おすすめ
Legacy Automotive Control Unit
The MC9S12B128VPV is relevant to legacy automotive platforms that already use the HCS12 software model and MC9S12B-compatible board layouts. Retaining the established processor family can reduce migration work compared with switching instruction sets, while 128 KB Flash provides room for control firmware. Software and hardware continuity are not guaranteed for unrelated packages or devices, so an engineering review should compare startup files, memory maps, interrupt vectors, peripheral registers, clock settings, pin multiplexing, and programming tools.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: MC9S12B128VPV — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 |
|---|---|
| Package | 112-pin LQFP |
| Brand | NXP Semiconductors / Freescale Semiconductor |
| Core | 16-bit HCS12 CISC |
| Program Memory | 128 KB Flash |
| Operating Voltage Options | 2.5 V or 5 V |
| Application Focus | Automotive multiplexing |
| Family Compatibility | MC9S12B family described as fully pin compatible across available memory and peripheral options |
| Unit Price | Not numerically verified as of 2026-10-21 |
主な差別化要因
- Verified 128 KB Flash allocation （vs No verified drop-in alternatives were available)
- Automotive-multiplexing family alignment （vs General-purpose 16-bit microcontroller candidates)
- High-pin-count package continuity （vs Lower-pin-count HCS12 devices)
設計ノート
Do not infer a replacement from the 128 KB memory value or shared HCS12 terminology. A safe replacement review must compare all 112 LQFP pins, supply arrangements, clock inputs, reset behavior, alternate functions, memory maps, interrupt vectors, peripherals, and software drivers. The supplied family statement establishes pin compatibility only across MC9S12B-Family options; it does not identify a verified VPV substitute.
Before layout release, obtain the exact MC9S12B128 package drawing and VPV pin table. Route all required power, ground, oscillator, reset, programming, and peripheral pins according to that document rather than from a generic LQFP symbol. Check thermal pad exposure, exposed grounds, voltage domains, and decoupling requirements directly against the manufacturer documentation.
The verified operating options are 2.5 V and 5 V, but complete voltage tolerances and internal supply relationships are not supplied. Confirm whether the selected mode uses one rail or coordinated rails, identify every supply and ground pin, and implement the manufacturer's recommended decoupling values. Verify brownout, reset, and power-sequencing requirements before connecting load circuitry.
Automotive modules must be evaluated across the required ambient temperature and worst-case switching states. Because no thermal resistance, power consumption, junction-temperature limit, or operating-temperature range was supplied, no numerical thermal estimate can be made. Use package data and the final board construction for thermal analysis, especially where the MCU controls power drivers or communicates through high-activity network transceivers.
コンプライアンス情報
The supplied sources describe automotive-multiplexing applications but do not provide verified compliance declarations or an exact qualification grade for MC9S12B128VPV.