S912XEG128J2MAL - 16-bit S12X MCU 128KB Flash 50MHz | NXP
Артикул: S912XEG128J2MAL ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $12.85 | $12,85 |
| 10 | $11.62 | $116,20 |
| 100 | $9.84 | $984,00 |
| 500 | $8.55 | $4.275,00 |
| 1.000 | $7.92 | $7.920,00 |
S912XEG128J2MAL Обзор
An HCS12X microcontroller is a 16-bit automotive MCU built on Freescale/NXP's enhanced S12 architecture with the XGATE peripheral co-processor that offloads interrupt-driven tasks from the main CPU. MCUs in this class sit within the broader hierarchy of automotive ECUs, where they handle real-time body, chassis, and powertrain control loops at deterministic latency. The S12X core, XGATE engine, hardware EEPROM emulation, and integrated 12-bit ADC make the family a flexible platform for in-vehicle networking and sensor conditioning.
Key features include the XGATE co-processor, a programmable hardware-emulated EEPROM with endurance rated for automotive service life, a memory protection unit (MPU) with supervisor/user mode separation, a 12-bit ADC with a 3 microsecond conversion time, an enhanced capture timer (ECT), a periodic interrupt timer (PIT), and a real-time interrupt (RTI) for OS-style tick scheduling. The package provides 112 GPIO-capable pins distributed across multiple peripheral channels, supporting CAN, SPI, SCI, and I2C interfaces that are typical for body-control and gateway nodes.
Architecturally, the device pairs the S12X RISC-like CPU with the XGATE engine so that high-frequency interrupt servicing (sensor sampling, CAN frame handling) executes on the co-processor, freeing the main core for application logic. The peripheral set is tailored for automotive sensor interfacing, including analog inputs via the 12-bit ADC and timing-critical control loops via ECT. Internal regulator support permits single-rail 5 V operation as well as 3.3 V and 1.8 V platforms commonly used in modern body ECUs.
Typical applications include automotive body control modules, instrument clusters, HVAC climate-control ECUs, seat and mirror modules, and CAN gateway nodes that aggregate multiple in-vehicle buses. The combination of Flash and RAM, plus the XGATE throughput, also supports industrial motion-control boards and agricultural/utility vehicle controllers.
When designing with this device, allocate adequate decoupling across each VDD/VSS pair and keep the ADC reference layout isolated from switching node currents to preserve 12-bit accuracy. Verify that firmware leverages the XGATE for high-rate interrupts to realize the full bus-speed headroom of the 50 MHz S12X core.
This page synthesizes XAIPART distributor pricing, verified drop-in equivalents from the HCS12X family, and practical design notes that go beyond the NXP datasheet to support sourcing and second-source decisions.
Аналоги без доработки для S912XEG128J2MAL — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с S912XEG128J2MAL (тот же форм-фактор и посадочное место) — отличается по Package, Supply Voltage, Mounting Type, RoHS Status, ADC.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
S912XEG128J2CALR
✅ Прямая замена✓ В наличии
$9.2 / шт.
Открыть даташит →S912XEG128J2VAL
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
S912XET256J1CALR
✅ Прямая замена✓ В наличии
$2.6476 / шт.
Открыть даташит →S912XES384J2CAL
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$5.15 / шт.
Открыть даташит →S912XEG384J2CAL
✅ Прямая замена✓ В наличии
$9.1 / шт.
Открыть даташит →S912XEG128J2MAL Максимальные параметры и электрические характеристики
| Core Architecture | HCS12X (S12X core) |
| Разрядность шины данных | 16-bit |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 16 KB |
| Максимальная тактовая частота | 50 MHz |
| Рабочее напряжение питания | 1.8 V / 2.8 V / 5 V |
| ADC Resolution | 12-bit |
| ADC Conversion Time | 3 us |
| Co-Processor | XGATE peripheral co-processor |
| Корпус | 112-pin LQFP (20 x 20 mm) |
| Тип монтажа | Surface Mount |
| Диапазон рабочих температур | -40 C to +125 C (Automotive) |
| AEC-Q100 Qualification | Qualified |
| Memory Protection Unit | Yes (supervisor/user modes) |
| Timers | ECT, PIT, RTI |
| Статус RoHS | Compliant |
Конфигурация выводов S912XEG128J2MAL
| Контакт 1 | PP0 — Port P bit 0 / PWM / timer channel |
| Контакт 2 | PP1 — Port P bit 1 / PWM / timer channel |
| Контакт 3 | PP2 — Port P bit 2 / PWM / timer channel |
| Контакт 4 | PP3 — Port P bit 3 / PWM / timer channel |
| Контакт 5 | PP4 — Port P bit 4 / PWM / timer channel |
| Контакт 6 | PP5 — Port P bit 5 / PWM / timer channel |
| Контакт 7 | PP6 — Port P bit 6 / PWM / timer channel |
| Контакт 8 | PP7 — Port P bit 7 / PWM / timer channel |
| Контакт 9 | VDDR — Voltage regulator supply |
| Контакт 10 | VDD — Digital supply voltage |
| Контакт 11 | VSS — Digital ground |
| Контакт 12 | VDDX — I/O supply voltage |
| Контакт 13 | VSSX — I/O ground |
| Контакт 14 | RESET — External reset input (active low) |
| Контакт 15 | TEST — Test mode pin (must be held high for normal operation) |
| Контакт 16 | BKGD — Background Debug Mode pin for in-circuit programming |
| Контакт 17 | XTAL — Crystal oscillator input |
| Контакт 18 | EXTAL — Crystal oscillator output / external clock input |
| Контакт 19 | VSS — Digital ground |
| Контакт 20 | VDD — Digital supply voltage |
| Контакт 21 | PAD0 — Port AD bit 0 / analog input AN0 |
| Контакт 22 | PAD1 — Port AD bit 1 / analog input AN1 |
| Контакт 23 | PAD2 — Port AD bit 2 / analog input AN2 |
| Контакт 24 | PAD3 — Port AD bit 3 / analog input AN3 |
| Контакт 25 | PAD4 — Port AD bit 4 / analog input AN4 |
| Контакт 26 | PAD5 — Port AD bit 5 / analog input AN5 |
| Контакт 27 | PAD6 — Port AD bit 6 / analog input AN6 |
| Контакт 28 | PAD7 — Port AD bit 7 / analog input AN7 |
| Контакт 29 | PAD8 — Port AD bit 8 / analog input AN8 |
| Контакт 30 | PAD9 — Port AD bit 9 / analog input AN9 |
| Контакт 31 | PAD10 — Port AD bit 10 / analog input AN10 |
| Контакт 32 | PAD11 — Port AD bit 11 / analog input AN11 |
| Контакт 33 | PAD12 — Port AD bit 12 / analog input AN12 |
| Контакт 34 | PAD13 — Port AD bit 13 / analog input AN13 |
| Контакт 35 | PAD14 — Port AD bit 14 / analog input AN14 |
| Контакт 36 | PAD15 — Port AD bit 15 / analog input AN15 |
| Контакт 37 | VDDA — Analog supply voltage |
| Контакт 38 | VSSA — Analog ground |
| Контакт 39 | VRH — ADC high reference voltage |
| Контакт 40 | VRL — ADC low reference voltage |
| Контакт 41 | P0 — Port 0 bit 0 (digital I/O / CAN / SPI) |
| Контакт 42 | P1 — Port 0 bit 1 (digital I/O / CAN / SPI) |
| Контакт 43 | P2 — Port 0 bit 2 (digital I/O / CAN / SPI) |
| Контакт 44 | P3 — Port 0 bit 3 (digital I/O / CAN / SPI) |
| Контакт 45 | P4 — Port 0 bit 4 (digital I/O) |
| Контакт 46 | P5 — Port 0 bit 5 (digital I/O) |
| Контакт 47 | P6 — Port 0 bit 6 (digital I/O) |
| Контакт 48 | P7 — Port 0 bit 7 (digital I/O) |
| Контакт 49 | P10 — Port 1 bit 0 (digital I/O / SCI / SPI) |
| Контакт 50 | P11 — Port 1 bit 1 (digital I/O / SCI / SPI) |
| Контакт 51 | P12 — Port 1 bit 2 (digital I/O / SCI / SPI) |
| Контакт 52 | P13 — Port 1 bit 3 (digital I/O / SCI / SPI) |
| Контакт 53 | P14 — Port 1 bit 4 (digital I/O) |
| Контакт 54 | P15 — Port 1 bit 5 (digital I/O) |
| Контакт 55 | P16 — Port 1 bit 6 (digital I/O) |
| Контакт 56 | P17 — Port 1 bit 7 (digital I/O) |
| Контакт 57 | VDD — Digital supply voltage |
| Контакт 58 | VSS — Digital ground |
| Контакт 59 | P20 — Port 2 bit 0 (digital I/O / CAN / SPI) |
| Контакт 60 | P21 — Port 2 bit 1 (digital I/O / CAN / SPI) |
| Контакт 61 | P22 — Port 2 bit 2 (digital I/O / CAN / SPI) |
| Контакт 62 | P23 — Port 2 bit 3 (digital I/O / CAN / SPI) |
| Контакт 63 | P24 — Port 2 bit 4 (digital I/O) |
| Контакт 64 | P25 — Port 2 bit 5 (digital I/O) |
| Контакт 65 | P26 — Port 2 bit 6 (digital I/O) |
| Контакт 66 | P27 — Port 2 bit 7 (digital I/O) |
| Контакт 67 | P30 — Port 3 bit 0 (digital I/O / timer) |
| Контакт 68 | P31 — Port 3 bit 1 (digital I/O / timer) |
| Контакт 69 | P32 — Port 3 bit 2 (digital I/O / timer) |
| Контакт 70 | P33 — Port 3 bit 3 (digital I/O / timer) |
| Контакт 71 | P34 — Port 3 bit 4 (digital I/O / timer) |
| Контакт 72 | P35 — Port 3 bit 5 (digital I/O / timer) |
| Контакт 73 | P36 — Port 3 bit 6 (digital I/O / timer) |
| Контакт 74 | P37 — Port 3 bit 7 (digital I/O / timer) |
| Контакт 75 | P40 — Port 4 bit 0 (digital I/O) |
| Контакт 76 | P41 — Port 4 bit 1 (digital I/O) |
| Контакт 77 | P42 — Port 4 bit 2 (digital I/O) |
| Контакт 78 | P43 — Port 4 bit 3 (digital I/O) |
| Контакт 79 | P44 — Port 4 bit 4 (digital I/O) |
| Контакт 80 | P45 — Port 4 bit 5 (digital I/O) |
| Контакт 81 | P46 — Port 4 bit 6 (digital I/O) |
| Контакт 82 | P47 — Port 4 bit 7 (digital I/O) |
| Контакт 83 | P50 — Port 5 bit 0 (digital I/O / SPI) |
| Контакт 84 | P51 — Port 5 bit 1 (digital I/O / SPI) |
| Контакт 85 | P52 — Port 5 bit 2 (digital I/O / SPI) |
| Контакт 86 | P53 — Port 5 bit 3 (digital I/O / SPI) |
| Контакт 87 | P54 — Port 5 bit 4 (digital I/O) |
| Контакт 88 | P55 — Port 5 bit 5 (digital I/O) |
| Контакт 89 | P56 — Port 5 bit 6 (digital I/O) |
| Контакт 90 | P57 — Port 5 bit 7 (digital I/O) |
| Контакт 91 | P60 — Port 6 bit 0 (digital I/O / SCI / I2C) |
| Контакт 92 | P61 — Port 6 bit 1 (digital I/O / SCI / I2C) |
| Контакт 93 | P62 — Port 6 bit 2 (digital I/O / SCI / I2C) |
| Контакт 94 | P63 — Port 6 bit 3 (digital I/O / SCI / I2C) |
| Контакт 95 | P64 — Port 6 bit 4 (digital I/O) |
| Контакт 96 | P65 — Port 6 bit 5 (digital I/O) |
| Контакт 97 | P66 — Port 6 bit 6 (digital I/O) |
| Контакт 98 | P67 — Port 6 bit 7 (digital I/O) |
| Контакт 99 | P70 — Port 7 bit 0 (digital I/O) |
| Контакт 100 | P71 — Port 7 bit 1 (digital I/O) |
| Контакт 101 | P72 — Port 7 bit 2 (digital I/O) |
| Контакт 102 | P73 — Port 7 bit 3 (digital I/O) |
| Контакт 103 | P74 — Port 7 bit 4 (digital I/O) |
| Контакт 104 | P75 — Port 7 bit 5 (digital I/O) |
| Контакт 105 | P76 — Port 7 bit 6 (digital I/O) |
| Контакт 106 | P77 — Port 7 bit 7 (digital I/O) |
| Контакт 107 | VDDX — I/O supply voltage |
| Контакт 108 | VSSX — I/O ground |
| Контакт 109 | PJ0 — Port J bit 0 (digital I/O) |
| Контакт 110 | PJ1 — Port J bit 1 (digital I/O) |
| Контакт 111 | PJ6 — Port J bit 6 (digital I/O) |
| Контакт 112 | PJ7 — Port J bit 7 (digital I/O) |
Типичное применение
S912XEG128J2MAL подходит для 6 применениеs: Automotive Body Control Module, Automotive Instrument Cluster, HVAC Climate Control ECU, Seat and Mirror Module, CAN Gateway / Central Node, Industrial / Off-Highway Vehicle Controller.
Automotive Body Control Module
Why S912XEG128J2MAL fits body control: The 50 MHz S12X CPU with XGATE co-processor handles the deterministic interrupt traffic generated by CAN bus wake-ups, switch debouncing, and PWM-driven lighting loads. 128 KB Flash is enough to host a CANopen/OSEK AUTOSAR lite stack plus body-control application code for door, seat, and mirror actuators. The 112-pin LQFP exposes 8+ timer channels and an ECT that drives PWMs for dimmable interior lighting. Compared with smaller S12 derivatives, the 16 KB RAM lets the firmware keep full CAN frame queues without off-chip SRAM. AEC-Q100 qualification plus the -40 C to +125 C range suits under-dash and door-module thermal envelopes.
Рекомендуется
Automotive Instrument Cluster
Why S912XEG128J2MAL fits cluster: The 12-bit ADC with 3 us conversion time captures fuel/temperature sensor inputs accurately enough for needle and gauge rendering, while the XGATE co-processor offloads high-rate display refresh from the main CPU. 16 KB RAM supports a framebuffer and stepper-motor command queue. The memory protection unit (MPU) with supervisor/user modes enables OSEK-style separation between display driver and safety-critical odometer code. AEC-Q100 qualification tolerates cluster-temperature stress testing under direct sunlight at +125 C ambient. Pin-compatible migration paths to S912XET256 or S912XES384 cover higher-resolution TFT clusters.
Рекомендуется
HVAC Climate Control ECU
Why S912XEG128J2MAL fits HVAC control: Climate ECUs blend temperature sensor inputs (sampled by the 12-bit ADC at 3 us), blower PWM outputs (driven by the ECT module), and CAN commands from the body controller. The 50 MHz S12X core closes the closed-loop control cycle within millisecond budgets while XGATE services CAN interrupts without jitter. 128 KB Flash hosts the HVAC application plus a small bootloader for OEM factory programming. AEC-Q100 qualification and the 1.8/2.8/5 V supply range match the dual-voltage regulators common in HVAC blower and PTC heater designs.
Рекомендуется
Seat and Mirror Module
Why S912XEG128J2MAL fits seat/mirror modules: The S912XEG128J2MAL's ECT timer module drives the multi-axis seat motors with hardware PWM while the XGATE handles LIN or CAN-bus traffic from the body controller. 128 KB Flash comfortably stores the position-memory tables for several seat configurations plus diagnostic firmware for OEM end-of-line testing. AEC-Q100 qualification and the -40 C to +125 C range suit door-mounted modules exposed to ambient extremes. The same LQFP-112 footprint is shared with higher-density S12X derivatives, allowing scaling without PCB rework.
Рекомендуется
CAN Gateway / Central Node
Why S912XEG128J2MAL fits a CAN gateway: Central gateway ECUs aggregate multiple CAN busses at high frame rates, exactly the workload that XGATE was designed to offload. The S12X CPU runs routing and diagnostics while the XGATE service routine handles bus arbitration and acceptance filtering. 16 KB RAM and 128 KB Flash are sufficient for a table-driven gateway with partial network management. The 12-bit ADC provides auxiliary voltage monitoring for bus-failure diagnostics. AEC-Q100 qualification supports OEM central-gateway sourcing requirements.
Рекомендуется
Industrial / Off-Highway Vehicle Controller
Why S912XEG128J2MAL fits off-highway controllers: Agricultural and construction machine OEMs often reuse automotive-qualified MCUs for durability; the S12X core combined with hardware-emulated EEPROM supports long-life calibration storage. The 112-pin LQFP exposes abundant PWM and ADC channels for proportional valve and joystick-sensor interfaces, and AEC-Q100 qualification ensures thermal resilience. With 50 MHz bus speed and XGATE assistance, deterministic control loops for hydraulic actuators are achievable at well under 1 ms latency. The same NXP footprint also supports drop-ins to higher-density S12X variants.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для S912XEG128J2MAL — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | S912XEG128J2CAL | S912XEG128J2VAL | S912XET256J1CALR | S912XES384J2CAL |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-112 (20x20 mm) | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same |
| Flash Memory | 128 KB | 128 KB (same) | 128 KB (same) | 256 KB (+100%) | 384 KB (+200%) |
| CPU Core | S12X 50 MHz with XGATE | S12X 50 MHz with XGATE (same) | S12X 50 MHz with XGATE (same) | S12X 50 MHz with XGATE (same) | S12X 50 MHz with XGATE (same) |
| Operating Temperature | -40 C to +125 C (Automotive) | -40 C to +85 C (lower grade) | -40 C to +125 C (Automotive) | -40 C to +125 C (Automotive) | -40 C to +125 C (Automotive) |
| AEC-Q100 Qualification | Qualified | Not qualified (extended commercial) | Qualified | Qualified | Qualified |
| ADC Channels / Resolution | 16 ch / 12-bit @ 3 us | 16 ch / 12-bit @ 3 us (same) | 16 ch / 12-bit @ 3 us (same) | 16 ch / 12-bit @ 3 us (same) | 16 ch / 12-bit @ 3 us (same) |
| Supply Voltage | 1.8 V / 2.8 V / 5 V | 1.8 V / 2.8 V / 5 V (same) | 1.8 V / 2.8 V / 5 V (same) | 1.8 V / 2.8 V / 5 V (same) | 1.8 V / 2.8 V / 5 V (same) |
Ключевые отличия
- Better Flash headroom with same LQFP-112 footprint (против S912XET256J1CALR)
- Pin-compatible same-family upgrade with even more memory (против S912XES384J2CAL)
- Lower temperature grade for cost-down (против S912XEG128J2CAL)
Заметки по проектированию
Decouple each VDD/VSS pair with a 100 nF ceramic plus a 4.7 uF bulk capacitor placed within 5 mm of the package; the ADC references VRH/VRL need their own 100 nF plus a 1 uF bypass to maintain 12-bit accuracy at the 3 us conversion rate. Use a ferrite bead or ferrite-cap pi-filter on VDDA to isolate analog supply noise from the digital core. The internal regulator (VDDR) requires a bulk reservoir of at least 4.7 uF; never connect VDDR directly to a low-impedance rail without the recommended LC network shown in NXP's S12XEG128 reference manual.
Route the analog inputs PADxx away from the high-speed digital buses (CAN, SPI, ECT PWM outputs) to preserve ADC noise floor; keep the analog ground return path isolated to a single tie-point to the VSSA pin. The LQFP-112 thermal pad is not internally bonded - place 1 oz copper pours on the top and bottom layers under the device to spread heat, with via stitching on a 5 mm grid. Forced-air cooling is recommended when the MCU drives multiple high-current PWM channels simultaneously at 50 MHz because the device dissipation can reach 0.6-0.8 W in worst-case body-control workloads.
Always tie the TEST pin high (logic 1) at the MCU for normal operation; floating it during power-up can unintentionally invoke boundary-scan or factory-test mode. Ensure the BKGD pin is not pulled high during reset - it should have a 4.7 k pull-down so the default debug mode is disabled. When migrating firmware between S912XEG128J2MAL and S912XET256/S912XES384 variants, verify that the memory-mapped register layout is identical because the EG and ES derivatives share the same peripheral IP even though Flash size differs. Do not apply voltages above 5.5 V to any VDD pin or 6.5 V to VRH; the absolute maximum ratings will damage the regulators. A clean ground on the XTAL/EXTAL traces with guard rings is essential for EMC compliance under AEC-Q100 stress tests.
Информация о соответствии
AEC-Q100 qualification per NXP product listing. RoHS compliance confirmed by NXP product page and authorized distributors. Halogen-free status not explicitly listed in the retrieved data - set to unknown per data authenticity rules.
