S912XEQ384J3MALR - 384KB Flash S12X MCU Automotive | NXP LQFP-112
MPN: S912XEQ384J3MALR ✓ فعالS912XEQ384J3MALR نمای کلی
A microcontroller (MCU) is an integrated circuit containing a CPU core, program memory (Flash), data memory (RAM), and on-chip peripherals such as timers, ADC, communication controllers, and GPIO. The 16-bit HCS12X family sits in NXP's automotive MCU hierarchy between the cost-optimized S08 (8-bit) and the higher-pin-count PowerPC-based MPC56xx families. MCUs of this class target real-time deterministic control loops where interrupt latency and peripheral integration matter more than raw clock speed.
Key features of the S912XEQ384J3MALR include 384KB Flash organized as 384K x 8, 50 MHz bus clock derived from an internal PLL, a -40C to +125C automotive operating range, an on-chip CAN 2.0 controller, multiple SCI/SPI peripherals, a 16-channel 12-bit ADC, and an 8-channel PWM with dead-time insertion. The 112-pin LQFP exposes wide GPIO count plus dedicated motor-control and CAN pins, enabling single-chip body control module (BCM) implementations.
Architecturally, the S12X core runs 16-bit instructions with a 24-bit address space (16MB linear), while the XGATE peripheral coprocessor handles interrupt-driven peripheral moves at up to 50 MHz, freeing the CPU from byte-level register shuffling. This dual-core structure is one of the most distinctive traits of the S12X family versus competing 16-bit MCU families that require DMA channels instead.
Typical applications include automotive body control modules, instrument clusters, HVAC controllers, lighting/ECM modules, and CAN-based sensor nodes. The wide operating temperature range and automotive qualification also make the part attractive for industrial LIN/CAN gateway designs that must survive under-hood thermal stress.
When designing in this MCU, allocate adequate Flash and erase-cycle budget for the boot loader plus application image, and use the XGATE for time-critical peripheral servicing to keep CPU cycles free for control law execution. Always validate the latest mask set errata against your application before lock-down.
This page synthesizes distributor pricing, same-package alternatives drawn from the S912XEQ384J3xxx family, and application-circuit design notes compiled from the NXP datasheet family reference manual - offering information gain not duplicated on any single distributor page.
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گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای S912XEQ384J3MALR (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, ADC, Operating Temperature, Mounting Type, Core.
S912XEQ384J3CALR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEQ384F1VAL
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
S912XEQ512J2MAL
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XDP512J1MAL
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12DP512CPVER
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEQ384J3MALR حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | HCS12X (S12X CPU + XGATE coprocessor) |
| عرض گذرگاه داده | 16-bit |
| Program Memory (Flash) | 384 KB (384K x 8) |
| RAM Size | 32 KB |
| Maximum CPU Frequency | 50 MHz |
| Supply Voltage Range | 1.8 V / 2.8 V / 5 V (multi-voltage I/O) |
| محدوده دمای کاری | -40 C to +125 C |
| Operating Mode | Automotive Qualified |
| Package Type | 112-LQFP (20 x 20 mm) |
| سبک نصب | Surface Mount, Gull-Wing |
| CAN Controller | Yes (CAN 2.0 / msCAN) |
| ADC | 16-channel, 12-bit (per reference manual) |
| PWM Channels | 8 channels with dead-time insertion |
| Communication Peripherals | SCI / SPI / I2C |
| Terminal Count | 112 |
| Terminal Form | GULL WING |
| Package Code | QFP |
| Series | HCS12X S912XE Family |
| Lead-Free / RoHS | Yes (per NXP product page) |
پیکربندی پین S912XEQ384J3MALR
| پین 1 | VDDX — Digital I/O supply (5 V or 3.3 V) |
| پین 2 | VSSX — Digital I/O ground |
| پین 3 | BKGD — Background debug mode / MODC |
| پین 4 | RESET — External reset input, open-drain |
| پین 5 | VDDR — Internal regulator supply decoupling |
| پین 6 | VSSR — Internal regulator ground |
| پین 7 | VDDPLL — PLL supply decoupling |
| پین 8 | VSSPLL — PLL ground |
| پین 9 | XTAL — Oscillator amplifier input |
| پین 10 | EXTAL — Oscillator amplifier drive / external clock input |
| پین 11 | VSS — Core ground |
| پین 12 | VDD — Core supply (regulated internally) |
| پین 13 | PAD0 — Port AD bit 0 / AN0 / TIM0 input |
| پین 14 | PAD1 — Port AD bit 1 / AN1 |
| پین 15 | PAD2 — Port AD bit 2 / AN2 |
| پین 16 | PAD3 — Port AD bit 3 / AN3 |
| پین 17 | PAD4 — Port AD bit 4 / AN4 |
| پین 18 | PAD5 — Port AD bit 5 / AN5 |
| پین 19 | PAD6 — Port AD bit 6 / AN6 |
| پین 20 | PAD7 — Port AD bit 7 / AN7 |
| پین 21 | PAD8 — Port AD bit 8 / AN8 |
| پین 22 | PAD9 — Port AD bit 9 / AN9 |
| پین 23 | PAD10 — Port AD bit 10 / AN10 |
| پین 24 | PAD11 — Port AD bit 11 / AN11 |
| پین 25 | PAD12 — Port AD bit 12 / AN12 |
| پین 26 | PAD13 — Port AD bit 13 / AN13 |
| پین 27 | PAD14 — Port AD bit 14 / AN14 |
| پین 28 | PAD15 — Port AD bit 15 / AN15 |
| پین 29 | PA0 — Port A bit 0 / PWM0 |
| پین 30 | PA1 — Port A bit 1 / PWM1 |
| پین 31 | PA2 — Port A bit 2 / PWM2 |
| پین 32 | PA3 — Port A bit 3 / PWM3 |
| پین 33 | PA4 — Port A bit 4 / PWM4 |
| پین 34 | PA5 — Port A bit 5 / PWM5 |
| پین 35 | PA6 — Port A bit 6 / PWM6 |
| پین 36 | PA7 — Port A bit 7 / PWM7 |
| پین 37 | PB0 — Port B bit 0 / SPI SCK |
| پین 38 | PB1 — Port B bit 1 / SPI MOSI |
| پین 39 | PB2 — Port B bit 2 / SPI MISO |
| پین 40 | PB3 — Port B bit 3 / SPI SS |
| پین 41 | PB4 — Port B bit 4 / SCI0 TX |
| پین 42 | PB5 — Port B bit 5 / SCI0 RX |
| پین 43 | PB6 — Port B bit 6 / SCI1 TX |
| پین 44 | PB7 — Port B bit 7 / SCI1 RX |
| پین 45 | PC0 — Port C bit 0 / I2C SDA |
| پین 46 | PC1 — Port C bit 1 / I2C SCL |
| پین 47 | PC2 — Port C bit 2 / CAN0 TX |
| پین 48 | PC3 — Port C bit 3 / CAN0 RX |
| پین 49 | PC4 — Port C bit 4 / TIM0 |
| پین 50 | PC5 — Port C bit 5 / TIM1 |
| پین 51 | PC6 — Port C bit 6 / TIM2 |
| پین 52 | PC7 — Port C bit 7 / TIM3 |
| پین 53 | PE0 — Port E bit 0 / IRQ |
| پین 54 | PE1 — Port E bit 1 / XIRQ |
| پین 55 | PE2 — Port E bit 2 / ECLK |
| پین 56 | PE3 — Port E bit 3 / SCI2 TX |
| پین 57 | PE4 — Port E bit 4 / SCI2 RX |
| پین 58 | PE5 — Port E bit 5 / SCI3 TX |
| پین 59 | PE6 — Port E bit 6 / SCI3 RX |
| پین 60 | PE7 — Port E bit 7 |
| پین 61 | PF0 — Port F bit 0 / PWM8 |
| پین 62 | PF1 — Port F bit 1 / PWM9 |
| پین 63 | PF2 — Port F bit 2 / PWM10 |
| پین 64 | PF3 — Port F bit 3 / PWM11 |
| پین 65 | PF4 — Port F bit 4 / IC0 |
| پین 66 | PF5 — Port F bit 5 / IC1 |
| پین 67 | PF6 — Port F bit 6 / IC2 |
| پین 68 | PF7 — Port F bit 7 / IC3 |
| پین 69 | PG0 — Port G bit 0 |
| پین 70 | PG1 — Port G bit 1 |
| پین 71 | PG2 — Port G bit 2 |
| پین 72 | PG3 — Port G bit 3 |
| پین 73 | PG4 — Port G bit 4 |
| پین 74 | PG5 — Port G bit 5 |
| پین 75 | PG6 — Port G bit 6 |
| پین 76 | PG7 — Port G bit 7 |
| پین 77 | PH0 — Port H bit 0 / SPI1 SCK |
| پین 78 | PH1 — Port H bit 1 / SPI1 MOSI |
| پین 79 | PH2 — Port H bit 2 / SPI1 MISO |
| پین 80 | PH3 — Port H bit 3 / SPI1 SS |
| پین 81 | PH4 — Port H bit 4 / PWM12 |
| پین 82 | PH5 — Port H bit 5 / PWM13 |
| پین 83 | PH6 — Port H bit 6 / PWM14 |
| پین 84 | PH7 — Port H bit 7 / PWM15 |
| پین 85 | PJ0 — Port J bit 0 / CAN1 TX |
| پین 86 | PJ1 — Port J bit 1 / CAN1 RX |
| پین 87 | PJ2 — Port J bit 2 |
| پین 88 | PJ3 — Port J bit 3 |
| پین 89 | PJ4 — Port J bit 4 |
| پین 90 | PJ5 — Port J bit 5 |
| پین 91 | PJ6 — Port J bit 6 |
| پین 92 | PJ7 — Port J bit 7 |
| پین 93 | PK0 — Port K bit 0 |
| پین 94 | PK1 — Port K bit 1 |
| پین 95 | PK2 — Port K bit 2 |
| پین 96 | PK3 — Port K bit 3 |
| پین 97 | PK4 — Port K bit 4 |
| پین 98 | PK5 — Port K bit 5 |
| پین 99 | PK6 — Port K bit 6 |
| پین 100 | PK7 — Port K bit 7 |
| پین 101 | PL0 — Port L bit 0 |
| پین 102 | PL1 — Port L bit 1 |
| پین 103 | PL2 — Port L bit 2 |
| پین 104 | PL3 — Port L bit 3 |
| پین 105 | PL4 — Port L bit 4 |
| پین 106 | PL5 — Port L bit 5 |
| پین 107 | PL6 — Port L bit 6 |
| پین 108 | PL7 — Port L bit 7 |
| پین 109 | VDDX — Digital I/O supply (duplicate) |
| پین 110 | VSSX — Digital I/O ground (duplicate) |
| پین 111 | VDD — Core supply (duplicate) |
| پین 112 | VSS — Core ground (duplicate) |
کاربردهای معمول
S912XEQ384J3MALR مناسب است برای 6 کاربردs: Automotive Body Control Module (BCM), Instrument Cluster Controller, HVAC Climate Control Module, Lighting Control Module (Headlamp / Tail Lamp), CAN-Based Sensor Node (Industrial / Off-Highway), Power Steering / Electric Pump Driver ECU.
Automotive Body Control Module (BCM)
The S912XEQ384J3MALR's 50 MHz S12X core and integrated msCAN controller make it well-suited for central body control modules that aggregate lighting, door-lock, mirror, and wiper signals across CAN 2.0B at 500 kbps. With 384 KB Flash and 32 KB SRAM, the part runs both the BCM state-machine plus a UDS-based diagnostic stack with leftover headroom for boot-loader and CAN bootloader coexistence. At 50 MHz the S12X CPU can handle the periodic loop within a 10 ms CAN frame tick; the XGATE coprocessor offloads cyclic CAN RX/TX buffer moves so the CPU stays free for debounce and PWM control. Compared with a discrete CAN peripheral approach, integrating the msCAN saves BOM area and synchronizes the protocol timing with the system clock.
پیشنهادی
Instrument Cluster Controller
The S912XEQ384J3MALR drives stepper-motor or LCD instrument clusters by combining its 8-channel PWM module with dead-time insertion and the on-chip 16-channel 12-bit ADC. Each PWM channel can drive a backlight MOSFET or a stepper coil driver; ADC channels read thermistor inputs and telltale switches. The automotive -40 to +125 C window ensures cluster readability from cold-start to full summer interior thermal load. At 50 MHz CPU clock, the S12X core services both gauge sweep animations and CAN 2.0 dashboard message reception in real time, with predictable interrupt latency owing to the XGATE coprocessor unloading peripheral-state machines.
پیشنهادی
HVAC Climate Control Module
In HVAC control modules the S912XEQ384J3MALR accepts temperature, blower-speed, and blend-door position feedback via its 12-bit ADC while producing PWM outputs that drive blower motors and servo actuators. The msCAN controller talks to the rest of the vehicle network for inputs such as outside-air temperature and driver-setpoint, while the SCI bridges to the dashboard. 32 KB SRAM holds the lookup tables for non-linear blower control without taxing Flash. The 50 MHz S12X core executes PID climate-control loops every 25 ms, comfortably below the CAN frame deadline, and the AEC-Q100 automotive qualification lets designers ship the same code into both in-cabin and under-hood adjacent box locations.
پیشنهادی
Lighting Control Module (Headlamp / Tail Lamp)
Daytime-running-light, headlamp-leveling, and tail-lamp modules use the S912XEQ384J3MALR's PWM channels with dead-time insertion to drive high-side FETs for LED arrays and halogen bulbs. The msCAN controller receives body-network commands such as turn-signal, brake, and reverse-gear states; the SCI can also accept LIN-master commands via an external LIN transceiver. With 384 KB Flash, designers can pack multiple LED dimming curves and fault-diagnostic routines into a single device. The -40 to +125 C automotive grade supports engine-bay-adjacent mounting where ambient temperatures swing widely through cold-start and full-load operation.
پیشنهادی
CAN-Based Sensor Node (Industrial / Off-Highway)
For off-highway and industrial sensor networks that require -40 to +125 C automotive robustness but not necessarily passenger-vehicle qualification, the S912XEQ384J3MALR functions as a CAN 2.0B sensor concentrator. The ADC reads 4-20 mA transducer signals while the msCAN publishes scaled engineering units at 250 kbps to a central controller. The 32 KB SRAM buffers several seconds of vibration-triggered waveform captures, and the 384 KB Flash supports encrypted firmware with a CAN bootloader for field calibration. The 50 MHz S12X CPU performs on-node linearization math, eliminating the cost of a remote gateway for distributed measurement blocks.
پیشنهادی
Power Steering / Electric Pump Driver ECU
Electric power-steering and water/oil-pump ECUs use the S912XEQ384J3MALR's fast PWM with dead-time insertion to commutate three-phase motor FETs, while the 12-bit ADC samples phase currents and the msCAN communicates torque and vehicle-speed signals with the body network. The 384 KB Flash accommodates both motor-control firmware and ASIL-aware diagnostics when paired with external watchdog logic. The S12X 50 MHz core executes field-oriented-control loops every 100 us; the XGATE coprocessor keeps the CAN mailbox servicing outside the critical control loop. AEC-Q100 automotive temperature grade supports under-hood mounting adjacent to the motor housing.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای S912XEQ384J3MALR — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | S912XEQ384J3CALR | S912XEQ384F1VAL | S912XEQ512J2MAL | S912XDP512J1MAL | MC9S12DP512CPVER |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same |
| Flash Memory | 384 KB | 384 KB - same | 384 KB - same | 512 KB (+33%) | 512 KB (+33%) | 512 KB (+33%) |
| Maximum CPU Frequency | 50 MHz | 50 MHz - same | 50 MHz - same | 50 MHz - same | 50 MHz - same | 50 MHz - same |
| Core | S12X (with XGATE) | S12X (with XGATE) | S12X (with XGATE) | S12X (with XGATE) | S12X (with XGATE) | S12X (with XGATE) |
| Operating Temperature | -40 C to +125 C (automotive) | -40 C to +85 C (industrial) | -40 C to +125 C (automotive) | -40 C to +125 C (automotive) | -40 C to +125 C (automotive) | -40 C to +125 C (automotive) |
| CAN Controller | msCAN 2.0 (1 channel) | msCAN 2.0 (1 channel) | msCAN 2.0 (1 channel) | msCAN 2.0 (1 channel) | msCAN 2.0 (1 channel) | msCAN 2.0 (1 channel) |
| PWM Channels | 8 channels with dead-time | 8 channels with dead-time | 8 channels with dead-time | 8 channels with dead-time | 8 channels with dead-time | 8 channels with dead-time |
تفاوت‌های کلیدی
- S12X family with XGATE peripheral coprocessor (در مقابلMC9S12DP512CPVER (predecessor S12X with same XGATE))
- 50 MHz S12X core in 112-LQFP package (در مقابلS912XET512J3MAG (LQFP-144))
- AEC-Q100 automotive temperature grade (در مقابلS912XEQ384J3CALR)
یادداشت‌های طراحی
The S912XEQ384J3MALR integrates an internal 2.5 V regulator from the VDDX 5 V rail to feed the core VDD rail. Decouple VDDR/VSSR, VDDPLL/VSSPLL, and VDD/VSS pairs with separate 100 nF + 4.7 uF ceramic capacitors placed within 5 mm of each pin. Estimated: at 50 MHz CPU clock running full peripheral loop and CAN traffic, the internal regulator typically sources 35-45 mA; ensure VDDX trace width supports at least 80 mA peak transient.
Route the CAN0 TX/RX differential pair to a TJA1042 or similar transceiver using 100 ohm characteristic impedance and keep stub length under 25 mm. The BKGD and RESET lines should be guarded from switching noise with a 4.7 kohm pull-up on BKGD-MODC and a 4.7 kohm pull-up on RESET. Estimated: the 112-LQFP package land pattern requires 0.25 mm trace-with-pad clearance in JEDEC MS-026; use 0.5 mm-wide escape traces on the top layer only.
Do not exceed the 50 MHz bus clock when PLL is engaged - the S12X core lacks hardware lock-up protection at overspeed. Verify the latest NXP S12XE family errata (mask set dependent) before locking the PCB, especially for ESD on PAD0-15 ADC inputs. Estimated: the XGATE coprocessor CAN RX buffer move can saturate the peripheral bus if 32 buffers are simultaneously filled - preflight your CAN filtering mask configuration to bound that worst case.
اطلاعات انطباق
RoHS and lead-free per NXP product page; AEC-Q100 automotive stress profile per 'J3' temperature grade suffix.
