S912XEG384J3CAL - 16-bit MCU, S12X, 384KB Flash | NXP
部品番号: S912XEG384J3CAL ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $9.8 | $9.80 |
| 10 | $9.1 | $91.00 |
| 100 | $8.2 | $820.00 |
| 500 | $7.4 | $3,700.00 |
| 1,000 | $6.65 | $6,650.00 |
S912XEG384J3CAL 概要
This device belongs to the S12XE family of 16-bit microcontrollers, an evolution of the HCS12 architecture. An MCU (microcontroller unit) is an integrated circuit that combines a CPU, memory, and programmable peripherals on a single silicon die. The 16-bit S12X core sits within the broader hierarchy: MCU -> 16-bit microcontroller -> automotive microcontroller -> embedded processor -> semiconductor. The XGATE peripheral co-processor accelerates interrupt-driven tasks and emulates peripherals in hardware, offloading the main CPU and improving real-time response for vehicle networks and body controllers.
Key differentiating features include hardware-emulated EEPROM that eliminates external storage chips, a 12-bit ADC with 3 microsecond conversion time suitable for sensor signal acquisition, an Enhanced Capture Timer (ECT) for precise event timing, a Periodic Interrupt Timer (PIT) and Real-Time Interrupt (RTI) for OS scheduling, and a Memory Protection Unit (MPU) supporting supervisor/user modes for system integrity. The device targets industrial and automotive-grade environments.
Typical applications include automotive body controllers, CAN/J1850 gateway modules, industrial sensor hubs, HVAC control units, and instrument clusters. The 384KB Flash and rich peripheral mix also make it suitable for LIN/CAN nodes and motor-control slaves in distributed vehicle networks.
When designing with this MCU, place 0.1 uF decoupling capacitors as close as possible to each VDD/VSS pair, route the oscillator pins over a continuous ground plane, and configure the XGATE interrupt vector table before enabling XGATE requests. 5V-tolerant inputs simplify connection to legacy automotive sensors.
This page synthesizes XAIPART distributor pricing, drop-in pin-compatible alternatives, and practical PCB design notes not typically consolidated on a single manufacturer datasheet page.
ドロップイン代替品: S912XEG384J3CAL — 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: S912XEG384J3CAL （同一形状・フットプリント） — 相違点: Package, CPU Core, Temperature Grade, ADC Conversion Time, Co-Processor.
クイック比較ツール — 並列比較する代替部品を選択:
S912XEQ384J3CAL
✅ ドロップイン✓ 在庫あり
$11.4 / 個
データシートを見る →S912XEQ384J3CALR
✅ ドロップイン✓ 在庫あり
$11.4 / 個
データシートを見る →S912XEG384J3CALR
✅ ドロップイン✓ 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 →S9S12HZ64J3CAL
✅ 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 →S9S12HZ64J3VAL
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$10.95 / 個
データシートを見る →S912XEG384J3CAL 最大定格＆電気的特性
| Core | HCS12X (CPU12X) |
| データバス幅 | 16-bit |
| Bus Speed | 50 MHz |
| Program Memory Size | 384 KB Flash |
| EEPROM (Emulated) | Hardware-emulated via Flash |
| Co-Processor | XGATE peripheral coprocessor |
| ADC | 12-bit, 3 µs conversion time |
| Timers | ECT, PIT, RTI |
| 電源電圧 | 1.8 V (core, per Hotenda listing) |
| 動作温度 | -40 °C to +85 °C |
| Temperature Grade | Automotive Qualified (per NXP) |
| パッケージ | LQFP-112 (20 x 20 mm) |
| Terminal Form | GULL WING |
| No. of Terminals | 112 |
| 実装タイプ | Surface Mount |
S912XEG384J3CAL lqfp-112 (20 x 20 mm) ピン配置ガイド
S912XEG384J3CAL (lqfp-112 (20 x 20 mm) 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: S912XEG384J3CAL.
詳細は データシート をご参照ください。
主な用途
S912XEG384J3CAL の用途: 7 件s: Automotive Body Control Module, HVAC Climate Control Module, Instrument Cluster Display Driver, Industrial Sensor Hub, CAN Gateway / Network Bridge, Automotive Lighting Controller, Battery Management Slave Module.
Automotive Body Control Module
The S912XEG384J3CAL fits automotive body control modules by pairing a 16-bit S12X CPU12X core at 50 MHz with 384 KB of Flash and the XGATE co-processor for offloading CAN/LIN message servicing. With a -40 to +85 °C operating range and AEC-qualified silicon, it handles headlamp control, wiper logic, central locking, and mirror adjustment without an external EEPROM. The integrated 12-bit ADC with 3 µs conversion samples ambient-light and temperature sensors directly, while the Enhanced Capture Timer (ECT) measures pulse-width modulated (PWM) inputs from switch contacts. Designers can run a real-time OS on the main CPU while XGATE services interrupt bursts, reducing worst-case latency.
おすすめ
HVAC Climate Control Module
In HVAC climate control, the S912XEG384J3CAL drives brushless DC fan motors, stepper-driven blend/air doors, and PTC heater relays while reading NTC temperature sensors and cabin humidity probes. Its 384 KB Flash hosts lookup-based control algorithms, while the XGATE handles periodic ADC scans and PWM updates that would otherwise starve the main scheduler. The 50 MHz bus keeps control loops well under 10 ms, fast enough for cabin temperature regulation. The Memory Protection Unit (MPU) supervisor/user modes isolate diagnostic routines from safety-critical tasks, supporting ISO 26262 process compliance at the module level.
おすすめ
Instrument Cluster Display Driver
The S912XEG384J3CAL serves as the main processor in instrument clusters, driving stepper-motor gauge pointers and segment/stepper LCDs via SPI or parallel interfaces while reading vehicle CAN bus for speed, RPM, and fuel-level data. The 16-bit CPU and 384 KB Flash accommodate J1939 or CANopen stacks plus graphic rendering, and the XGATE coprocessor maintains real-time CAN message reception without jitter. The wide -40 to +85 °C range covers under-dash operating conditions, and the LQFP-112 package allows a compact PCB layout next to gauge stepper drivers and an LCD bias supply.
おすすめ
Industrial Sensor Hub
As an industrial sensor hub, the S912XEG384J3CAL aggregates analog inputs from 4-20 mA loop-powered transmitters, thermocouples, and digital flow meters, conditioning data before forwarding to a PLC over CANopen or Modbus. The 12-bit ADC with 3 µs conversion time captures fast transients, while 384 KB of Flash stores calibration coefficients and trending data. The Memory Protection Unit enforces privilege separation between configuration firmware and field logic, important for IEC 61508 safety functions. The hardware-emulated EEPROM replaces mechanical DIP-switch storage of calibration constants.
おすすめ
CAN Gateway / Network Bridge
For CAN-to-LIN or CAN-CAN gateway nodes, the S912XEG384J3CAL acts as a transparent message router between vehicle networks, filtering and forwarding frames while timestamping events for diagnostics. Its two CAN controllers (typical of S12X) plus the XGATE coprocessor minimize forwarding latency below 100 microseconds, which is acceptable for body and chassis networks. The 384 KB Flash allows simultaneous hosting of UDS diagnostic server plus a network management stack like OSEK/AUTOSAR. The LQFP-112 footprint gives access to all required bus pins with no multiplexing penalty.
おすすめ
Automotive Lighting Controller
The S912XEG384J3CAL drives LED headlamp matrices and adaptive daytime running lights via PWM and SPI-controlled LED drivers, while reading ambient-light sensors, steering-angle inputs, and CAN messages to modulate beam patterns. The 50 MHz CPU executes matrix algorithms in real time, and the XGATE co-processor manages high-frequency PWM refresh for individual LEDs without disturbing the main scheduler. The Flash-based EEPROM emulation retains trim and calibration across key cycles. The -40 to +85 °C rating supports under-hood and headlamp-cavity mounting scenarios where ambient swings are wide.
おすすめ
Battery Management Slave Module
The S912XEG384J3CAL functions as a slave cell-monitoring MCU in distributed battery management systems, reading individual cell voltages through external ADCs over SPI and reporting pack status to a master over CAN or isolated SPI. The 16-bit CPU executes cell-balancing logic at each scan interval while XGATE handles the periodic interrupt-driven ADC readout. The wide operating temperature handles proximity to traction packs during fast-charge cycles, and 384 KB of Flash allows stacking ISO 26262 diagnostic libraries. The LQFP-112 footprint exposes enough GPIO for cell-balancing FET drivers without a second MCU.
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: S912XEG384J3CAL — 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 | S912XEQ384J3CAL | S912XEQ384J3CALR | S912XEG384J3CALR | S9S12HZ64J3CAL | S9S12HZ64J3VAL |
|---|---|---|---|---|---|---|
| Package | LQFP-112 (20x20 mm) | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12X (CPU12X), 16-bit | HCS12X, 16-bit | HCS12X, 16-bit | HCS12X, 16-bit | HCS12, 16-bit | HCS12, 16-bit |
| Bus Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 384 KB | 384 KB | 384 KB | 384 KB | 64 KB (-83%) | 64 KB (-83%) |
| Operating Temperature | -40 to +85 °C | -40 to +85 °C | -40 to +85 °C | -40 to +85 °C | -40 to +85 °C | -40 to +85 °C |
| ADC Resolution | 12-bit, 3 µs | 12-bit, 3 µs | 12-bit, 3 µs | 12-bit, 3 µs | 10-bit, 7 µs (-2 bits resolution, +133% conv. time) | 10-bit, 7 µs (-2 bits resolution, +133% conv. time) |
| Co-Processor | XGATE | XGATE | XGATE | XGATE | None (XGATE absent on HZ sub-family) | None (XGATE absent on HZ sub-family) |
主な差別化要因
- Largest Flash in S12X LQFP-112 family （vs S9S12HZ64J3CAL)
- Includes XGATE peripheral co-processor （vs S9S12HZ64J3CAL)
- 12-bit ADC with 3 µs conversion （vs S9S12HZ64J3CAL)
- AEC-qualified silicon with -40/+85 °C rating （vs S9S12HZ64J3CAL)
設計ノート
Decouple each VDDC and VDDX pair with a 100 nF X7R ceramic placed within 3 mm of the pin; add a bulk 4.7 µF tantalum or polymer cap per voltage rail. NXP recommends keeping the core regulator input (VDDR) supplied from a separate LC filter when the digital I/O switching noise is heavy, since the 1.8V internal regulator feeds sensitive analog blocks.
Route the EXTAL and XTAL pins over a continuous ground plane and place load capacitors within 5 mm; keep the crystal traces short and surround them with a ground pour tied to the MCU VSS. The PLL filter components (XFC pin) must use the recommended NXP filter values and be guarded from high-current traces to avoid jitter.
Configure the XGATE interrupt vector table and clear the XGATE-RAM ECC before enabling XGATE requests; otherwise the first XGATE interrupt will vector to an uninitialized location. The hardware-emulated EEPROM requires the user to enable Flash partition protection in FPROT and follow the NXP EEPROM emulation driver, not raw byte-writes, to avoid wear-out.
Place the BDM (background debug mode) header at the board edge in a 2x5 0.1-inch dual-row pattern so a P&E Multilink or USBDM can attach without desoldering. Route BKGD and RESET as a paired set with a 10 kΩ pull-up on RESET to VDDX; failure to do so prevents entry into debug mode and complicates field firmware recovery.
For CAN bus connections, keep the transceiver within 25 mm of the MCU TXCAN/RXCAN pins, route the bus as a 120-ohm differential pair with matched lengths, and place the termination at the cable ends, not at the MCU. The S12X CAN module is rated for 1 Mbit/s with proper bus topology.
コンプライアンス情報
AEC-qualified per NXP product page ('Automotive Qualified'). Lead-free assumed from LQFP-112 gull-wing terminal form. RoHS/REACH/halogen status not explicitly stated in the provided verified data.
