S912XEQ384J2CAL - 16-bit HCS12X MCU 384KB Flash | NXP
部品番号: S912XEQ384J2CAL ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $12.36 | $12.36 |
| 10 | $11.74 | $117.40 |
| 100 | $11.12 | $1,112.00 |
| 500 | $10.57 | $5,285.00 |
| 1,000 | $12.64 | $12,640.00 |
S912XEQ384J2CAL 概要
A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, forming the lowest tier of the embedded-processing hierarchy: MCU -> embedded processor -> microprocessor system-on-chip. The HCS12X family is NXP's enhanced 16-bit architecture built on the CPU12 core, extended with a co-core (XGATE-style peripheral acceleration in family members) and widely used in automotive and industrial body electronics.
Key features of the S912XEQ384J2CAL include 384 KB of on-chip flash program memory for application code and calibration data, watchdog timer and oscillator/timer peripherals, and serial communication via SPI. The device operates over an industrial and automotive temperature range of -40C to +85C and is qualified to AEC-Q100, the automotive stress-test standard, per distributor parametric data.
The S912X series integrates the CPU12 RISC core with flash memory on a single die, reducing external component count and board area versus two-chip solutions. Peripherals such as SPI simplify connectivity with external EEPROMs, displays, and CAN/network transceivers in typical vehicle body controllers. Distributor listings (Jotrin, LCSC, JLCPCB) describe the part as a 16-bit MCU with watchdog, oscillator/timer, and SPI, confirming the peripheral set.
Typical applications include automotive body control modules, instrument clusters, gateways, motor control nodes, and industrial control systems that require AEC-Q100 qualification and 16-bit deterministic real-time control. The LQFP-112 (20x20 mm) gull-wing package suits hand-solderable prototypes and automated SMT assembly alike.
Design consideration: as an AEC-Q100 automotive MCU, the S912XEQ384J2CAL requires a regulated supply per the multi-rail scheme noted by distributors (1.8V/2.8V/5V rails) and proper decoupling; verify flash endurance and supply sequencing against the manufacturer datasheet before finalizing the power tree.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing information gain beyond standard distributor listings.
ドロップイン代替品: S912XEQ384J2CAL — 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。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: S912XEQ384J2CAL （同一形状・フットプリント） — 相違点: Package, Flash Memory, Operating Temperature, Core Processor, Supply Voltage.
クイック比較ツール — 並列比較する代替部品を選択:
S912XET512J2VAGR
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$1 / 個
データシートを見る →S912XEG384J2VAL
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$17.8 / 個
データシートを見る →S912XET256J2VAG
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
価格はお問い合わせください
データシートを見る →S912XEG256J2CAL
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$15.4 / 個
データシートを見る →S912XET512BMAGR
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$6.6 / 個
データシートを見る →S912XEQ384J2CAL 最大定格＆電気的特性
| Core Processor | CPU12 (HCS12X) 16-bit RISC |
| Flash Memory | 384 KB |
| Product Family | HCS12X / S12X |
| Peripherals | Watchdog, OSC/Timer |
| Connectivity | SPI |
| 動作温度 | -40C to +85C |
| 電源電圧 | 1.8 V / 2.8 V / 5 V (multi-rail) |
| パッケージ | LQFP-112 (20x20 mm) |
| Number of Pins/Terminals | 112 |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| 実装タイプ | Surface Mount |
| Qualification | AEC-Q100 (automotive) |
| Temperature Grade | Industrial / Automotive |
| RoHS ステータス | ROHS (per JLCPCB listing) |
| カテゴリ | Microcontrollers - MCUs |
S912XEQ384J2CAL square ピン配置ガイド
S912XEQ384J2CAL (square 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: S912XEQ384J2CAL.
詳細は データシート をご参照ください。
主な用途
S912XEQ384J2CAL の用途: 6 件s: Automotive Body Control Module, Instrument Cluster, Gateway / Network Node, Industrial Control Systems, Motor Control Nodes, Automotive Lighting Control.
Automotive Body Control Module
Body control modules (BCM) centralize lighting, door, seat, and wiper control in a vehicle. The S912XEQ384J2CAL fits this role because its AEC-Q100 qualification and -40C to +85C operating range meet automotive environmental requirements, while 384 KB of flash accommodates application code plus vehicle-specific calibration tables. The integrated watchdog timer provides the fault monitoring expected in safety-relevant body functions, and SPI allows expansion with EEPROM for configuration storage or network transceivers. In a typical topology the MCU drives high-side switches and relays through GPIO, reads switch matrices via ADC/multiplexed inputs, and communicates on the vehicle network. The 112-pin LQFP provides enough I/O to handle multiple lamp and motor loads without external port expanders, reducing BOM cost.
おすすめ
Instrument Cluster
Instrument clusters combine stepper-motor gauge drive, backlight control, warning-lamp logic, and network communication. The S912XEQ384J2CAL's 16-bit CPU12 core delivers deterministic real-time response for gauge update loops, and its 384 KB flash stores graphics/configuration data for multiple vehicle trim levels. The timer peripherals from the S12X peripheral set generate the precise PWM waveforms required for smooth pointer motion and backlight dimming. Because clusters sit in a thermally moderate cabin environment, the -40C to +85C range and AEC-Q100 qualification cover the requirement without premium-grade pricing. The 112-pin LQFP supplies the I/O count for multiplexed indicator lamps, sensor inputs, and serial links to the vehicle network, and SPI allows a display driver or external EEPROM to be added with minimal pin overhead.
おすすめ
Gateway / Network Node
Vehicle network gateways route messages between bus segments. The S912XEQ384J2CAL serves as a gateway node controller where its 384 KB flash holds routing tables and diagnostic firmware, and SPI connects external communication transceivers or network interface devices. The watchdog provides recovery from communication lockups, a critical reliability feature for nodes whose failure strands vehicle functions. The 16-bit core handles message framing and buffering deterministically without the complexity of a 32-bit OS. In factory automation, the same architecture serves as a protocol-conversion node between RS-485/UART field devices and higher-level controllers, using SPI for isolation or media interfacing. The gull-wing LQFP-112 package supports standard automotive SMT assembly with ample I/O for status LEDs, configuration DIP inputs, and service interfaces.
おすすめ
Industrial Control Systems
Industrial controllers benefit from the same attributes that make the S912XEQ384J2CAL automotive-grade: a watchdog timer, wide -40C to +85C temperature range, and proven CPU12 code base with long-term tool support. In factory automation the MCU sequences actuators, monitors limit switches, and reports status over SPI-connected peripherals. The 384 KB flash supports protocol stacks plus recipe/configuration storage in on-chip flash, avoiding external memory in cost-sensitive nodes. The 5V supply domain simplifies interfacing with legacy industrial sensors and actuators that still use 5V logic levels, an advantage over 3.3V-only modern MCUs. The 112-pin LQFP provides generous GPIO for relay banks and status indication, and the square 20x20 mm footprint fits standard industrial control PCB form factors without high-density routing.
おすすめ
Motor Control Nodes
DC and stepper motor control nodes require precise timing generation, fast interrupt response, and robust fault supervision, all provided by the S912X timer peripherals and watchdog of the S912XEQ384J2CAL. The 16-bit CPU12 core executes control loops deterministically without floating-point hardware overhead for brushed-DC and stepper applications. Its 384 KB flash allows multiple motor profiles and firmware-updatable calibration curves to be stored on-chip. The -40C to +85C range suits under-hood-adjacent locations such as HVAC blower and headlamp-levelling actuators, and AEC-Q100 qualification satisfies automotive quality gates. The 112-pin package offers enough PWM-capable pins to drive several motors from one MCU, consolidating distributed actuators into a single controller and reducing node count on the vehicle network.
おすすめ
Automotive Lighting Control
Exterior lighting modules including LED headlamp and taillight controllers use the S912XEQ384J2CAL for sequencing, diagnostics, and network communication. The timer/PWM resources generate dimming and brightness-ramp waveforms, the watchdog enforces safe-state entry on fault, and the wide temperature range plus AEC-Q100 qualification address engine-bay-adjacent thermal stress. The 384 KB flash stores lighting signatures and fault logs for diagnostic access, a growing regulatory requirement. SPI connectivity links the MCU to LED driver or transceiver devices. The abundant GPIO of the 112-pin LQFP directly drives bulb-check inputs, relay coils, and linear LED driver enable lines, while the 5V I/O domain interfaces cleanly with discrete power stages that still use 5V-referenced thresholds, simplifying mixed-voltage lighting board design.
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: S912XEQ384J2CAL — 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 | S912XET512J2VAGR | S912XEG384J2VAL | S912XET256J2VAG | S912XEG256J2CAL | S912XET512BMAGR |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-112 (20x20 mm) | LQFP-112 (20x20 mm) - same | LQFP-112 (20x20 mm) - same | LQFP-112 (20x20 mm) - same | LQFP-112 (20x20 mm) - same | LQFP-112 (20x20 mm) - same |
| Core | CPU12 (HCS12X) 16-bit RISC | CPU12 (HCS12X) 16-bit RISC | CPU12 (HCS12X) 16-bit RISC | CPU12 (HCS12X) 16-bit RISC | CPU12 (HCS12X) 16-bit RISC | CPU12 (HCS12X) 16-bit RISC |
| Flash Memory | 384 KB | 512 KB | 384 KB | 256 KB | 256 KB | 512 KB |
| Automotive Qualification | AEC-Q100 | S12X automotive family | S12X automotive family | S12X automotive family | S12X automotive family | S12X automotive family |
主な差別化要因
- Balanced 384 KB flash density in the J2 footprint （vs S912XET256J2VAG)
- Automotive AEC-Q100 qualification with C temperature suffix （vs S912XEG384J2VAL)
- Lower unit cost than the 512 KB sibling （vs S912XET512J2VAGR)
設計ノート
The S912XEQ384J2CAL uses a multi-rail supply scheme (1.8V/2.8V/5V per distributor parametric data). Design the power tree so the 5V main rail is applied before or simultaneously with auxiliary rails, and add 100 nF ceramic decoupling on each supply pin pair plus bulk capacitance (10 uF) at the board entry point. Verify exact per-rail sequencing requirements and absolute maximum ratings in the NXP S12X datasheet before release; applying out-of-sequence voltages to unpowered internal regulator domains is a documented failure mode in this MCU class.
The LQFP-112 gull-wing package has a 0.8 mm pitch; design land patterns per the manufacturer package drawing and extend traces symmetrically to avoid solder-wicking tombstoning during reflow. Use a solid ground plane on layer 2 under the MCU and stitch thermal relief-free grounds. Keep the oscillator crystal loop compact and guarded, and route SPI traces shorter than 10 cm where possible to preserve signal integrity at bus frequencies. The 20x20 mm body also benefits from a copper keep-out around the perimeter for inspection and rework access.
Enable the watchdog early in initialization and budget its timeout against the longest legitimate blocking routine; watchdog resets from timeout starvation are the most common field failure reported on watchdog-equipped MCUs. Also confirm flash endurance/write-erase cycles against the datasheet if you store calibration or logging data in flash at runtime, and reserve a flash sector boundary for such data to avoid erasing application code. For lifecycle risk, note that Rochester Electronics supplies this part via DigiKey Marketplace, suggesting constrained factory availability - plan a second source or last-time-buy.
コンプライアンス情報
RoHS compliance stated by JLCPCB product listing. AEC-Q100 automotive qualification stated by datasheets.com parametric record. REACH, lead-free, halogen-free, and conflict-minerals declarations not found in provided data - request NXP material declarations for full compliance documentation.
