S912XEQ512J3VAG - 16-Bit 50MHz S12X MCU, 512KB Flash | NXP
MPN: S912XEQ512J3VAG ✓ نشطS912XEQ512J3VAG نظرة عامة
An MCU (microcontroller) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of programmable peripherals into one device. The HCS12X family is NXP's enhanced 16-bit CISC core architecture used in automotive body electronics, combining deterministic interrupt handling with the XGATE peripheral co-processor that offloads interrupt-driven tasks and emulates additional virtual peripherals. Within the broader taxonomy, this part sits as: HCS12X CPU -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor IC.
Key features include 512 KB Flash, 32 KB SRAM, 4 KB EEPROM, an XGATE co-processor for offloading interrupt service routines, a memory protection unit with supervisor/user modes, and a flexible peripheral set including CAN, SCI/SPI, PWM, timers, and an 8/10/12-bit ADC. The 50 MHz CPU provides up to 50 MIPS throughput for real-time control loops, while wide supply flexibility allows direct connection to 3.3 V or 5 V automotive buses.
Typical applications include automotive body controllers, gateway modules, instrument clusters, HVAC control modules, and industrial PLC nodes where deterministic 16-bit performance and automotive qualification matter. A 144-pin LQFP footprint gives generous I/O access for multi-CAN and LIN networks plus analog sensor inputs. Use external NPN/PNP drivers when controlling LEDs, solenoids, or relays since the I/O pins source/sink only modest current. Verify QSPI timing with the bus clock and place bulk decoupling capacitors within 5 mm of the power pins to ride out cranking transients on the 12 V supply.
بدائل مباشرة لـ S912XEQ512J3VAG — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع S912XEQ512J3VAG (نفس عامل الشكل والبصمة) — يختلف في Package, Operating Temperature, Core, EEPROM, Mounting Type.
S912XEQ512J2MAL
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XET512J3MAG
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XEQ384J3CALR
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12XEQ512MAG
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12XEG128MAA
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XEQ512J3VAG الحدود القصوى والخصائص الكهربائية
| Core Architecture | HCS12X (16-bit CISC) |
| Maximum CPU Frequency | 50 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| XGATE Co-processor | Yes |
| Memory Protection Unit | Yes (supervisor/user modes) |
| Operating Voltage | 1.8 V / 2.8 V / 5 V |
| نطاق درجة حرارة التشغيل | -40 C to +105 C (Automotive Grade 1) |
| العلبة | 144-LQFP (20x20 mm) |
| نوع التركيب | Surface Mount |
| AEC-Q100 Qualification | Qualified |
| حالة RoHS | Compliant |
تكوين أطراف S912XEQ512J3VAG
| دبوس 1 | VSS — Digital ground reference for core logic |
| دبوس 2 | VDDR — Voltage regulator supply for internal logic |
| دبوس 3 | VDDX1 — External I/O supply 1 (1.8/2.8/5 V) |
| دبوس 4 | VDDX2 — External I/O supply 2 |
| دبوس 5 | TEST — Test mode pin - tie to VSS in application |
| دبوس 6 | RESET — Active-low reset input |
| دبوس 7 | Background/Debug — Single-wire debug and Flash programming |
| دبوس 8 | XCLKS — Oscillator clock select |
| دبوس 9 | EXTAL — External clock/crystal input |
| دبوس 10 | XTAL — Crystal oscillator output |
| دبوس 11 | VSSPLL — PLL ground |
| دبوس 12 | VDDPLL — PLL supply |
| دبوس 13 | PAD0 — Port AD bit 0 (ADC channel 0) |
| دبوس 14 | PAD1 — Port AD bit 1 (ADC channel 1) |
| دبوس 15 | PAD2 — Port AD bit 2 (ADC channel 2) |
| دبوس 16 | PAD3 — Port AD bit 3 (ADC channel 3) |
| دبوس 17 | PAD4 — Port AD bit 4 (ADC channel 4) |
| دبوس 18 | PAD5 — Port AD bit 5 (ADC channel 5) |
| دبوس 19 | PAD6 — Port AD bit 6 (ADC channel 6) |
| دبوس 20 | PAD7 — Port AD bit 7 (ADC channel 7) |
| دبوس 21 | PAD8 — Port AD bit 8 (ADC channel 8) |
| دبوس 22 | PAD9 — Port AD bit 9 (ADC channel 9) |
| دبوس 23 | PAD10 — Port AD bit 10 (ADC channel 10) |
| دبوس 24 | PAD11 — Port AD bit 11 (ADC channel 11) |
| دبوس 25 | PAD12 — Port AD bit 12 (ADC channel 12) |
| دبوس 26 | PAD13 — Port AD bit 13 (ADC channel 13) |
| دبوس 27 | PAD14 — Port AD bit 14 (ADC channel 14) |
| دبوس 28 | PAD15 — Port AD bit 15 (ADC channel 15) |
| دبوس 29 | PAD16 — Port AD bit 16 |
| دبوس 30 | PAD17 — Port AD bit 17 |
| دبوس 31 | PAD18 — Port AD bit 18 |
| دبوس 32 | PAD19 — Port AD bit 19 |
| دبوس 33 | PAD20 — Port AD bit 20 |
| دبوس 34 | PAD21 — Port AD bit 21 |
| دبوس 35 | PAD22 — Port AD bit 22 |
| دبوس 36 | PAD23 — Port AD bit 23 |
| دبوس 37 | PAD24 — Port AD bit 24 |
| دبوس 38 | PAD25 — Port AD bit 25 |
| دبوس 39 | PAD26 — Port AD bit 26 |
| دبوس 40 | PAD27 — Port AD bit 27 |
| دبوس 41 | PAD28 — Port AD bit 28 |
| دبوس 42 | PAD29 — Port AD bit 29 |
| دبوس 43 | PAD30 — Port AD bit 30 |
| دبوس 44 | PAD31 — Port AD bit 31 |
| دبوس 45 | PA0 — Port A bit 0 (general purpose I/O) |
| دبوس 46 | PA1 — Port A bit 1 (general purpose I/O) |
| دبوس 47 | PA2 — Port A bit 2 (general purpose I/O) |
| دبوس 48 | PA3 — Port A bit 3 (general purpose I/O) |
| دبوس 49 | PA4 — Port A bit 4 (general purpose I/O) |
| دبوس 50 | PA5 — Port A bit 5 (general purpose I/O) |
| دبوس 51 | PA6 — Port A bit 6 (general purpose I/O) |
| دبوس 52 | PA7 — Port A bit 7 (general purpose I/O) |
| دبوس 53 | PB0 — Port B bit 0 (general purpose I/O) |
| دبوس 54 | PB1 — Port B bit 1 (general purpose I/O) |
| دبوس 55 | PB2 — Port B bit 2 (general purpose I/O) |
| دبوس 56 | PB3 — Port B bit 3 (general purpose I/O) |
| دبوس 57 | PB4 — Port B bit 4 (general purpose I/O) |
| دبوس 58 | PB5 — Port B bit 5 (general purpose I/O) |
| دبوس 59 | PB6 — Port B bit 6 (general purpose I/O) |
| دبوس 60 | PB7 — Port B bit 7 (general purpose I/O) |
| دبوس 61 | PC0 — Port C bit 0 (general purpose I/O) |
| دبوس 62 | PC1 — Port C bit 1 (general purpose I/O) |
| دبوس 63 | PC2 — Port C bit 2 (general purpose I/O) |
| دبوس 64 | PC3 — Port C bit 3 (general purpose I/O) |
| دبوس 65 | PC4 — Port C bit 4 (general purpose I/O) |
| دبوس 66 | PC5 — Port C bit 5 (general purpose I/O) |
| دبوس 67 | PC6 — Port C bit 6 (general purpose I/O) |
| دبوس 68 | PC7 — Port C bit 7 (general purpose I/O) |
| دبوس 69 | PD0 — Port D bit 0 (CAN0 RX / general purpose I/O) |
| دبوس 70 | PD1 — Port D bit 1 (CAN0 TX / general purpose I/O) |
| دبوس 71 | PD2 — Port D bit 2 (general purpose I/O) |
| دبوس 72 | PD3 — Port D bit 3 (general purpose I/O) |
| دبوس 73 | PD4 — Port D bit 4 (general purpose I/O) |
| دبوس 74 | PD5 — Port D bit 5 (general purpose I/O) |
| دبوس 75 | PD6 — Port D bit 6 (general purpose I/O) |
| دبوس 76 | PD7 — Port D bit 7 (general purpose I/O) |
| دبوس 77 | PE0 — Port E bit 0 (CAN1 RX / general purpose I/O) |
| دبوس 78 | PE1 — Port E bit 1 (CAN1 TX / general purpose I/O) |
| دبوس 79 | PE2 — Port E bit 2 (general purpose I/O) |
| دبوس 80 | PE3 — Port E bit 3 (general purpose I/O) |
| دبوس 81 | PE4 — Port E bit 4 (general purpose I/O) |
| دبوس 82 | PE5 — Port E bit 5 (general purpose I/O) |
| دبوس 83 | PE6 — Port E bit 6 (general purpose I/O) |
| دبوس 84 | PE7 — Port E bit 7 (general purpose I/O) |
| دبوس 85 | PF0 — Port F bit 0 (general purpose I/O) |
| دبوس 86 | PF1 — Port F bit 1 (general purpose I/O) |
| دبوس 87 | PF2 — Port F bit 2 (general purpose I/O) |
| دبوس 88 | PF3 — Port F bit 3 (general purpose I/O) |
| دبوس 89 | PF4 — Port F bit 4 (general purpose I/O) |
| دبوس 90 | PF5 — Port F bit 5 (general purpose I/O) |
| دبوس 91 | PF6 — Port F bit 6 (general purpose I/O) |
| دبوس 92 | PF7 — Port F bit 7 (general purpose I/O) |
| دبوس 93 | PG0 — Port G bit 0 (general purpose I/O) |
| دبوس 94 | PG1 — Port G bit 1 (general purpose I/O) |
| دبوس 95 | PG2 — Port G bit 2 (general purpose I/O) |
| دبوس 96 | PG3 — Port G bit 3 (general purpose I/O) |
| دبوس 97 | PG4 — Port G bit 4 (general purpose I/O) |
| دبوس 98 | PG5 — Port G bit 5 (general purpose I/O) |
| دبوس 99 | PG6 — Port G bit 6 (general purpose I/O) |
| دبوس 100 | PG7 — Port G bit 7 (general purpose I/O) |
| دبوس 101 | PH0 — Port H bit 0 (general purpose I/O) |
| دبوس 102 | PH1 — Port H bit 1 (general purpose I/O) |
| دبوس 103 | PH2 — Port H bit 2 (general purpose I/O) |
| دبوس 104 | PH3 — Port H bit 3 (general purpose I/O) |
| دبوس 105 | PH4 — Port H bit 4 (general purpose I/O) |
| دبوس 106 | PH5 — Port H bit 5 (general purpose I/O) |
| دبوس 107 | PH6 — Port H bit 6 (general purpose I/O) |
| دبوس 108 | PH7 — Port H bit 7 (general purpose I/O) |
| دبوس 109 | PJ0 — Port J bit 0 (general purpose I/O) |
| دبوس 110 | PJ1 — Port J bit 1 (general purpose I/O) |
| دبوس 111 | PJ2 — Port J bit 2 (general purpose I/O) |
| دبوس 112 | PJ3 — Port J bit 3 (general purpose I/O) |
| دبوس 113 | PJ4 — Port J bit 4 (general purpose I/O) |
| دبوس 114 | PJ5 — Port J bit 5 (general purpose I/O) |
| دبوس 115 | PJ6 — Port J bit 6 (general purpose I/O) |
| دبوس 116 | PJ7 — Port J bit 7 (general purpose I/O) |
| دبوس 117 | PK0 — Port K bit 0 (general purpose I/O) |
| دبوس 118 | PK1 — Port K bit 1 (general purpose I/O) |
| دبوس 119 | PK2 — Port K bit 2 (general purpose I/O) |
| دبوس 120 | PK3 — Port K bit 3 (general purpose I/O) |
| دبوس 121 | PK4 — Port K bit 4 (general purpose I/O) |
| دبوس 122 | PK5 — Port K bit 5 (general purpose I/O) |
| دبوس 123 | PK6 — Port K bit 6 (general purpose I/O) |
| دبوس 124 | PK7 — Port K bit 7 (general purpose I/O) |
| دبوس 125 | CAN0TX — CAN0 transmit (alternate function on PD1) |
| دبوس 126 | CAN0RX — CAN0 receive (alternate function on PD0) |
| دبوس 127 | CAN1TX — CAN1 transmit (alternate function on PE1) |
| دبوس 128 | CAN1RX — CAN1 receive (alternate function on PE0) |
| دبوس 129 | SCIRX — SCI0 receive (serial communication interface) |
| دبوس 130 | SCITX — SCI0 transmit (serial communication interface) |
| دبوس 131 | MOSI0 — SPI0 master out / slave in |
| دبوس 132 | MISO0 — SPI0 master in / slave out |
| دبوس 133 | SCK0 — SPI0 serial clock |
| دبوس 134 | SS0 — SPI0 slave select |
| دبوس 135 | PWM0 — Pulse Width Modulator channel 0 |
| دبوس 136 | PWM1 — Pulse Width Modulator channel 1 |
| دبوس 137 | PWM2 — Pulse Width Modulator channel 2 |
| دبوس 138 | PWM3 — Pulse Width Modulator channel 3 |
| دبوس 139 | PWM4 — Pulse Width Modulator channel 4 |
| دبوس 140 | PWM5 — Pulse Width Modulator channel 5 |
| دبوس 141 | TCLK — Timer clock input |
| دبوس 142 | IOC0 — Input capture / output compare channel 0 |
| دبوس 143 | VDDX3 — External I/O supply 3 (1.8/2.8/5 V) |
| دبوس 144 | VSS — Digital ground |
التطبيقات النموذجية
S912XEQ512J3VAG مناسب لـ 6 التطبيقs: Automotive Body Control Module, CAN Gateway Module, Instrument Cluster Controller, HVAC Control Module, Industrial PLC / Automation Node, Automotive Lighting Controller.
Automotive Body Control Module
The S912XEQ512J3VAG's HCS12X core and XGATE co-processor suit body-control modules where deterministic 16-bit interrupt handling and parallel peripheral offloading are required. With 512 KB Flash, the MCU holds door/window/lamp/lighting logic plus CAN/LIN stacks; AEC-Q100 qualification at -40 to +105 C guarantees operation under cranking transients on a 12 V automotive bus. The 144-LQFP footprint exposes enough I/O for multiple high-side drivers and analog sensor inputs.
موصى به
CAN Gateway Module
For CAN-to-CAN and CAN-to-LIN gateway ECUs, the S912XEQ512J3VAG provides up to 50 MIPS of CPU throughput and an XGATE to offload message filtering between buses. The 144-LQFP package exposes multiple CAN channels and enough SCI/SPI for diagnostics; 512 KB Flash is enough for full AUTOSAR-like stacks or CAN FD bridging. AEC-Q100 ensures the gateway survives under-hood thermal stress.
موصى به
Instrument Cluster Controller
In instrument clusters, the S912XEQ512J3VAG drives stepper motors for gauges, reads analog sensors, and handles CAN messages from the body network. The 50 MHz HCS12X core handles PWM generation for backlight and indicator LEDs, while XGATE accelerates CAN message processing. AEC-Q100 qualification and 144-LQFP I/O count fit automotive cluster electronics within the cabin thermal envelope.
موصى به
HVAC Control Module
The S912XEQ512J3VAG is suitable for HVAC control modules where multiple temperature sensors, blower motor PWM channels, and CAN connectivity must coexist. 512 KB Flash accommodates HVAC application code plus CAN/LIN communication stacks; the XGATE co-processor accelerates sensor sampling and PID loop updates. AEC-Q100 at +105 C ambient is well within HVAC enclosure thermal limits.
موصى به
Industrial PLC / Automation Node
For industrial PLC nodes and 24 V automation controllers, the S912XEQ512J3VAG delivers deterministic 16-bit performance with hardware-emulated EEPROM for parameter storage and a memory protection unit for safety software isolation. 512 KB Flash supports IEC 61131-3 runtime plus ladder logic, while the wide 1.8 V / 2.8 V / 5 V supply tolerance simplifies integration with 24 V industrial backplanes. The 144-LQFP provides ample GPIO for discrete I/O.
موصى به
Automotive Lighting Controller
In LED headlamp and matrix-lighting modules, the S912XEQ512J3VAG generates PWM for multi-channel LED drivers and exchanges diagnostics over CAN or LIN. The XGATE handles high-rate PWM updates while the HCS12X core runs lighting algorithms, and 512 KB Flash is ample for headlamp control firmware. AEC-Q100 and -40 to +105 C are well-matched to headlamp compartment thermal profiles.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ S912XEQ512J3VAG — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | S912XEQ512J2MAL | S912XET512J3MAG | S912XEQ384J3CALR | MC9S12XEQ512MAG | MC9S12XEG128MAA |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Core | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) |
| Maximum Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 384 KB (-25%) | 512 KB | 128 KB (-75%) |
| XGATE Co-processor | Yes | Yes | Yes | Yes | Yes | Yes |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40 C to +105 C | -40 C to +85 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C |
أبرز الفروقات
- AEC-Q100 Grade 1 qualified at +105 C (مقابلS912XEQ512J2MAL)
- 512 KB Flash matches typical body/gateway stacks (مقابلMC9S12XEG128MAA)
- Same 144-LQFP package as alternates - PCB reuse (مقابلS912XEQ384J3CALR)
ملاحظات التصميم
The S912XEQ512J3VAG supports 1.8 V, 2.8 V, and 5 V operation through its internal voltage regulator (VDDR) and dual external I/O rails (VDDX1/2/3). Place a 1 uF decoupling capacitor within 5 mm of each VDDX pin and a 10 uF bulk capacitor near the package to handle cranking transients on the 12 V automotive supply. Tie VSSPLL directly to the ground plane with a short trace to minimize PLL jitter on the 50 MHz bus.
Do not leave the TEST pin floating - tie it to VSS through a 4.7 kohm pull-down resistor, otherwise the device may enter factory test mode on power-up. The BKGD pin must be pulled high through a pull-up during reset for normal operation; use the BDM interface for debug. Avoid driving CAN lines without proper termination; CAN0/CAN1 require 120 ohm bus termination at the cable ends.
Estimated: at 50 MHz core and typical 1.8 V internal VDDR, core current is around 50-70 mA, dissipating 0.1-0.15 W internally. The 144-LQFP package has a theta_JA of approximately 35-40 C/W, giving a junction temperature rise of about 5-6 C above ambient - well within the +105 C automotive Grade 1 ceiling. Derate slightly if all 144 I/O pins switch at full DC load.
Route the EXTAL/XTAL traces as short, symmetric differential pairs and keep them away from switching I/O and PWM lines to minimize EMI coupling. Place a guard ring around the oscillator and connect it to ground. Use a four-layer PCB with a dedicated ground plane under the MCU to provide a low-impedance return for high-frequency switching currents from CAN and SPI lines.
معلومات الامتثال
AEC-Q100 Grade 1 qualified per NXP product page and Arrow listing. RoHS compliant per NXP product page. Halogen-free status not explicitly stated in verified web data - defaulting to 'unknown'.