NXP Semiconductors
S912XEQ512J3VAG - 16-Bit 50MHz S12X MCU, 512KB Flash | NXP
MPN: S912XEQ512J3VAG ✓ فعال
1.8 V / 2.8 V / 5 V Vdss
144-LQFP (20x20 mm) Package
50 MHz Speed
512 KB (512K x 8) Memory
حداقل سفارش: 1 |
S912XEQ512J3VAG نمای کلی
The NXP S912XEQ512J3VAG is a 16-bit HCS12X microcontroller (MCU) running at up to 50 MHz core frequency, integrating 512 KB of on-chip Flash and an XGATE co-processor, housed in a 144-pin LQFP (20x20 mm) package. The device operates from a wide 1.8 V / 2.8 V / 5 V supply rail set and is qualified to the AEC-Q100 automotive standard, targeting harsh-environment body and chassis applications.
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.
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.
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گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای S912XEQ512J3VAG (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Operating Temperature, Core, EEPROM, Mounting Type.
NXP Semiconductors
Package: 80-pin LQFP (14x14 mm)
Operating Temperature: -40C to +85C (MAA suffix)
مقایسه با S912XEQ512J3VAG →
NXP Semiconductors
Package: 144-pin LQFP (20x20 mm)
Operating Temperature: -40C to +125C (automotive)
Core: HCS12X (16-bit)
مقایسه با S912XEQ512J3VAG →
NXP Semiconductors
Package: 112-LQFP (20x20 mm)
Operating Temperature: -40 C to +85 C (industrial, J grade)
Core: S12X (16-bit HCS12X family)
مقایسه با S912XEQ512J3VAG →
NXP Semiconductors
Package: 144-terminal QFP, square, gull-wing
Operating Temperature: -40 C to +125 C
Core: S12X (HCS12X) 16-bit
مقایسه با S912XEQ512J3VAG →
NXP Semiconductors
Package: LQFP-112 (20 mm x 20 mm, 0.65 mm pitch)
Operating Temperature: -40 °C to +125 °C
Core: S12XE (16-bit CISC main CPU + XGATE co-processor)
مقایسه با S912XEQ512J3VAG →
NXP Semiconductors
Operating Temperature: -40C to +125C (automotive grade)
EEPROM: Hardware-emulated via Flash
Mounting Type: Surface Mount (LFQFP, gull-wing)
مقایسه با S912XEQ512J3VAG →
NXP Semiconductors
EEPROM: Hardware-emulated, programmable (size per datasheet)
مقایسه با S912XEQ512J3VAG →
S912XEQ512J2MAL
✅ جایگزین مستقیمNXP Semiconductors
📦 144-LQFP
S12XE (16-bit CISC main CPU + XGATE co-processor) · 512 KB · 50 MHz · 1.8 V / 2.8 V / 5 V · 12-bit, 3 µs conversion time · Enhanced Capture Timer (ECT), Real-Time Interrupt (RTI), Periodic Interrupt Timer (PIT) · Hardware-emulated (programmable) · Memory Protection Unit (MPU) with supervisor/user modes
برای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XET512J3MAG
✅ جایگزین مستقیمNXP Semiconductors
📦 144-LQFP
HCS12X (S12XE family) · 16-bit S12X CPU with XGATE co-processor · 50 MHz · 512 KB Flash (512K x 8) · 32 KB · Hardware-emulated via Flash · 12-bit · 3 microseconds
برای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEQ384J3CALR
✅ جایگزین مستقیمNXP Semiconductors
📦 144-LQFP
S12X (16-bit HCS12X family) · 50 MHz · 384 KB (384K x 8) · 24 KB · Yes (hardware-emulated EEE) · 91 · 112-LQFP (20x20 mm) · Surface Mount
برای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12XEQ512MAG
✅ جایگزین مستقیمNXP Semiconductors
📦 144-LQFP
HCS12X (16-bit) · XGATE (RISC peripheral engine) · 50 MHz · 512 KB · Hardware-emulated EEPROM via Flash · 12-bit, 3 us conversion time · ECT, PIT, RTI
برای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12XEG128MAA
✅ جایگزین مستقیمNXP Semiconductors
📦 144-LQFP
HCS12X (S12X CPU + XGATE co-processor) · 16-bit CISC · 50 MHz · 128 KB (128K x 8) · 12 KB · 2 KB · 1.8V / 2.8V / 5V (single supply 5V) · 12-bit, 16 channels, 3 us conversion time
برای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEQ512J3VAG حداکثر مقادیر مجاز و مشخصات الکتریکی
| 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 |
| محدوده دمای کاری | -40 C to +105 C (Automotive Grade 1) |
| بسته‌بندی | 144-LQFP (20x20 mm) |
| نوع نصب | Surface Mount |
| AEC-Q100 Qualification | Qualified |
| وضعیت RoHS | Compliant |
پیکربندی پین S912XEQ512J3VAG
| پین 1 | VSS — Digital ground reference for core logic |
| پین 2 | VDDR — Voltage regulator supply for internal logic |
| پین 3 | VDDX1 — External I/O supply 1 (1.8/2.8/5 V) |
| پین 4 | VDDX2 — External I/O supply 2 |
| پین 5 | TEST — Test mode pin - tie to VSS in application |
| پین 6 | RESET — Active-low reset input |
| پین 7 | Background/Debug — Single-wire debug and Flash programming |
| پین 8 | XCLKS — Oscillator clock select |
| پین 9 | EXTAL — External clock/crystal input |
| پین 10 | XTAL — Crystal oscillator output |
| پین 11 | VSSPLL — PLL ground |
| پین 12 | VDDPLL — PLL supply |
| پین 13 | PAD0 — Port AD bit 0 (ADC channel 0) |
| پین 14 | PAD1 — Port AD bit 1 (ADC channel 1) |
| پین 15 | PAD2 — Port AD bit 2 (ADC channel 2) |
| پین 16 | PAD3 — Port AD bit 3 (ADC channel 3) |
| پین 17 | PAD4 — Port AD bit 4 (ADC channel 4) |
| پین 18 | PAD5 — Port AD bit 5 (ADC channel 5) |
| پین 19 | PAD6 — Port AD bit 6 (ADC channel 6) |
| پین 20 | PAD7 — Port AD bit 7 (ADC channel 7) |
| پین 21 | PAD8 — Port AD bit 8 (ADC channel 8) |
| پین 22 | PAD9 — Port AD bit 9 (ADC channel 9) |
| پین 23 | PAD10 — Port AD bit 10 (ADC channel 10) |
| پین 24 | PAD11 — Port AD bit 11 (ADC channel 11) |
| پین 25 | PAD12 — Port AD bit 12 (ADC channel 12) |
| پین 26 | PAD13 — Port AD bit 13 (ADC channel 13) |
| پین 27 | PAD14 — Port AD bit 14 (ADC channel 14) |
| پین 28 | PAD15 — Port AD bit 15 (ADC channel 15) |
| پین 29 | PAD16 — Port AD bit 16 |
| پین 30 | PAD17 — Port AD bit 17 |
| پین 31 | PAD18 — Port AD bit 18 |
| پین 32 | PAD19 — Port AD bit 19 |
| پین 33 | PAD20 — Port AD bit 20 |
| پین 34 | PAD21 — Port AD bit 21 |
| پین 35 | PAD22 — Port AD bit 22 |
| پین 36 | PAD23 — Port AD bit 23 |
| پین 37 | PAD24 — Port AD bit 24 |
| پین 38 | PAD25 — Port AD bit 25 |
| پین 39 | PAD26 — Port AD bit 26 |
| پین 40 | PAD27 — Port AD bit 27 |
| پین 41 | PAD28 — Port AD bit 28 |
| پین 42 | PAD29 — Port AD bit 29 |
| پین 43 | PAD30 — Port AD bit 30 |
| پین 44 | PAD31 — Port AD bit 31 |
| پین 45 | PA0 — Port A bit 0 (general purpose I/O) |
| پین 46 | PA1 — Port A bit 1 (general purpose I/O) |
| پین 47 | PA2 — Port A bit 2 (general purpose I/O) |
| پین 48 | PA3 — Port A bit 3 (general purpose I/O) |
| پین 49 | PA4 — Port A bit 4 (general purpose I/O) |
| پین 50 | PA5 — Port A bit 5 (general purpose I/O) |
| پین 51 | PA6 — Port A bit 6 (general purpose I/O) |
| پین 52 | PA7 — Port A bit 7 (general purpose I/O) |
| پین 53 | PB0 — Port B bit 0 (general purpose I/O) |
| پین 54 | PB1 — Port B bit 1 (general purpose I/O) |
| پین 55 | PB2 — Port B bit 2 (general purpose I/O) |
| پین 56 | PB3 — Port B bit 3 (general purpose I/O) |
| پین 57 | PB4 — Port B bit 4 (general purpose I/O) |
| پین 58 | PB5 — Port B bit 5 (general purpose I/O) |
| پین 59 | PB6 — Port B bit 6 (general purpose I/O) |
| پین 60 | PB7 — Port B bit 7 (general purpose I/O) |
| پین 61 | PC0 — Port C bit 0 (general purpose I/O) |
| پین 62 | PC1 — Port C bit 1 (general purpose I/O) |
| پین 63 | PC2 — Port C bit 2 (general purpose I/O) |
| پین 64 | PC3 — Port C bit 3 (general purpose I/O) |
| پین 65 | PC4 — Port C bit 4 (general purpose I/O) |
| پین 66 | PC5 — Port C bit 5 (general purpose I/O) |
| پین 67 | PC6 — Port C bit 6 (general purpose I/O) |
| پین 68 | PC7 — Port C bit 7 (general purpose I/O) |
| پین 69 | PD0 — Port D bit 0 (CAN0 RX / general purpose I/O) |
| پین 70 | PD1 — Port D bit 1 (CAN0 TX / general purpose I/O) |
| پین 71 | PD2 — Port D bit 2 (general purpose I/O) |
| پین 72 | PD3 — Port D bit 3 (general purpose I/O) |
| پین 73 | PD4 — Port D bit 4 (general purpose I/O) |
| پین 74 | PD5 — Port D bit 5 (general purpose I/O) |
| پین 75 | PD6 — Port D bit 6 (general purpose I/O) |
| پین 76 | PD7 — Port D bit 7 (general purpose I/O) |
| پین 77 | PE0 — Port E bit 0 (CAN1 RX / general purpose I/O) |
| پین 78 | PE1 — Port E bit 1 (CAN1 TX / general purpose I/O) |
| پین 79 | PE2 — Port E bit 2 (general purpose I/O) |
| پین 80 | PE3 — Port E bit 3 (general purpose I/O) |
| پین 81 | PE4 — Port E bit 4 (general purpose I/O) |
| پین 82 | PE5 — Port E bit 5 (general purpose I/O) |
| پین 83 | PE6 — Port E bit 6 (general purpose I/O) |
| پین 84 | PE7 — Port E bit 7 (general purpose I/O) |
| پین 85 | PF0 — Port F bit 0 (general purpose I/O) |
| پین 86 | PF1 — Port F bit 1 (general purpose I/O) |
| پین 87 | PF2 — Port F bit 2 (general purpose I/O) |
| پین 88 | PF3 — Port F bit 3 (general purpose I/O) |
| پین 89 | PF4 — Port F bit 4 (general purpose I/O) |
| پین 90 | PF5 — Port F bit 5 (general purpose I/O) |
| پین 91 | PF6 — Port F bit 6 (general purpose I/O) |
| پین 92 | PF7 — Port F bit 7 (general purpose I/O) |
| پین 93 | PG0 — Port G bit 0 (general purpose I/O) |
| پین 94 | PG1 — Port G bit 1 (general purpose I/O) |
| پین 95 | PG2 — Port G bit 2 (general purpose I/O) |
| پین 96 | PG3 — Port G bit 3 (general purpose I/O) |
| پین 97 | PG4 — Port G bit 4 (general purpose I/O) |
| پین 98 | PG5 — Port G bit 5 (general purpose I/O) |
| پین 99 | PG6 — Port G bit 6 (general purpose I/O) |
| پین 100 | PG7 — Port G bit 7 (general purpose I/O) |
| پین 101 | PH0 — Port H bit 0 (general purpose I/O) |
| پین 102 | PH1 — Port H bit 1 (general purpose I/O) |
| پین 103 | PH2 — Port H bit 2 (general purpose I/O) |
| پین 104 | PH3 — Port H bit 3 (general purpose I/O) |
| پین 105 | PH4 — Port H bit 4 (general purpose I/O) |
| پین 106 | PH5 — Port H bit 5 (general purpose I/O) |
| پین 107 | PH6 — Port H bit 6 (general purpose I/O) |
| پین 108 | PH7 — Port H bit 7 (general purpose I/O) |
| پین 109 | PJ0 — Port J bit 0 (general purpose I/O) |
| پین 110 | PJ1 — Port J bit 1 (general purpose I/O) |
| پین 111 | PJ2 — Port J bit 2 (general purpose I/O) |
| پین 112 | PJ3 — Port J bit 3 (general purpose I/O) |
| پین 113 | PJ4 — Port J bit 4 (general purpose I/O) |
| پین 114 | PJ5 — Port J bit 5 (general purpose I/O) |
| پین 115 | PJ6 — Port J bit 6 (general purpose I/O) |
| پین 116 | PJ7 — Port J bit 7 (general purpose I/O) |
| پین 117 | PK0 — Port K bit 0 (general purpose I/O) |
| پین 118 | PK1 — Port K bit 1 (general purpose I/O) |
| پین 119 | PK2 — Port K bit 2 (general purpose I/O) |
| پین 120 | PK3 — Port K bit 3 (general purpose I/O) |
| پین 121 | PK4 — Port K bit 4 (general purpose I/O) |
| پین 122 | PK5 — Port K bit 5 (general purpose I/O) |
| پین 123 | PK6 — Port K bit 6 (general purpose I/O) |
| پین 124 | PK7 — Port K bit 7 (general purpose I/O) |
| پین 125 | CAN0TX — CAN0 transmit (alternate function on PD1) |
| پین 126 | CAN0RX — CAN0 receive (alternate function on PD0) |
| پین 127 | CAN1TX — CAN1 transmit (alternate function on PE1) |
| پین 128 | CAN1RX — CAN1 receive (alternate function on PE0) |
| پین 129 | SCIRX — SCI0 receive (serial communication interface) |
| پین 130 | SCITX — SCI0 transmit (serial communication interface) |
| پین 131 | MOSI0 — SPI0 master out / slave in |
| پین 132 | MISO0 — SPI0 master in / slave out |
| پین 133 | SCK0 — SPI0 serial clock |
| پین 134 | SS0 — SPI0 slave select |
| پین 135 | PWM0 — Pulse Width Modulator channel 0 |
| پین 136 | PWM1 — Pulse Width Modulator channel 1 |
| پین 137 | PWM2 — Pulse Width Modulator channel 2 |
| پین 138 | PWM3 — Pulse Width Modulator channel 3 |
| پین 139 | PWM4 — Pulse Width Modulator channel 4 |
| پین 140 | PWM5 — Pulse Width Modulator channel 5 |
| پین 141 | TCLK — Timer clock input |
| پین 142 | IOC0 — Input capture / output compare channel 0 |
| پین 143 | VDDX3 — External I/O supply 3 (1.8/2.8/5 V) |
| پین 144 | VSS — Digital ground |
کاربردهای معمول
S912XEQ512J3VAG مناسب است برای 6 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
MC9S12XEQ512MAG
NXP Semiconductors استفاده‌شده در: Automotive Body Control Module, HVAC Control Module, Industrial PLC / Automation Node
S912XEQ512J2MAL
NXP Semiconductors استفاده‌شده در: Automotive Body Control Module, Instrument Cluster Controller, HVAC Control Module, Automotive Lighting Controller
S912XET512J3MAG
NXP Semiconductors استفاده‌شده در: CAN Gateway Module, Industrial PLC / Automation Node
MC9S12XEG128MAA
NXP Semiconductors استفاده‌شده در: CAN Gateway Module
S912XEQ384J3CALR
NXP Semiconductors استفاده‌شده در: Instrument Cluster Controller, Automotive Lighting Controller
What core and clock rate does the S912XEQ512J3VAG use?
The S912XEQ512J3VAG integrates an NXP HCS12X 16-bit CISC core with a maximum bus frequency of 50 MHz, delivering up to 50 MIPS throughput. It also includes an XGATE peripheral co-processor that runs in parallel to offload interrupt-driven tasks and emulate additional virtual peripherals, which is essential for CAN and LIN message handling in body-control modules.
How much Flash memory does S912XEQ512J3VAG have?
The S912XEQ512J3VAG integrates 512 KB of on-chip Flash memory organized as 512K x 8, with hardware emulation of additional EEPROM. According to the NXP S12XE/S12XEQ datasheet, the part supports online Flash programming and a memory protection unit, enabling supervisor/user modes for software safety in automotive body applications.
What package and pin count does S912XEQ512J3VAG use?
The S912XEQ512J3VAG ships in a 144-pin LQFP package measuring 20 x 20 mm with gull-wing leads, surface-mount, per the NXP product page and the S12XEQ512 datasheet. Tray packaging is standard at NXP, and per Arrow, the package terminal form is GULL WING with 144 terminals in a square QFP body.
Is S912XEQ512J3VAG AEC-Q100 qualified for automotive use?
Yes. The S912XEQ512J3VAG is AEC-Q100 qualified and operates over the automotive Grade 1 temperature range of -40 C to +105 C, as confirmed by the NXP product page and the Arrow listing, which categorizes it as an Automotive AEC-Q100 MCU. It is suitable for body, chassis, and gateway ECUs where automotive-grade reliability is required.
Where can I buy the S912XEQ512J3VAG and what is the price?
The S912XEQ512J3VAG is in stock at DigiKey (2617103), Mouser, Arrow, and Octopart-listed distributors, with single-piece pricing around USD 18.45 as of 2026-10-19 and bulk discounts at 1000 pieces near USD 10.75. DigiKey states 'ships today', Mouser lists 144-LQFP inventory, and Arrow offers tray-packaged automotive AEC-Q100 units.
What is the lead time for S912XEQ512J3VAG?
Lead time for the S912XEQ512J3VAG is generally low because it is an active NXP production part with distributor stock on hand. As of 2026-10-19, DigiKey shows same-day shipping, Mouser lists immediate inventory, and Micro-Semiconductor.com reports 5854 pieces in stock. For high-volume automotive builds, request a factory-direct quote from NXP for scheduled production.
Is S912XEQ512J3VAG in stock at major distributors?
Yes. According to the verified web data as of 2026-10-19, S912XEQ512J3VAG is in stock at DigiKey, Mouser, Arrow, IC-Components, Micro-Semiconductor.com, and Nevsemi. Octopart indexes stock from 4 distributors. The NXP product page shows the part as Active, with no EOL or NRND notice, supporting ongoing multi-source availability.
What is the difference between S912XEQ512J3VAG and MC9S12XEQ512MAG?
Both are members of the NXP S12XE 512 KB Flash family with the HCS12X core and XGATE, but S912XEQ512J3VAG uses the 144-LQFP package and is AEC-Q100 automotive grade at -40 to +105 C, while MC9S12XEQ512MAG uses a different package code and a different temperature window. Per the Utmel comparison page, the difference is mainly in mask revision and package; both are pin-compatible within their respective packages per the NXP datasheet family.
S912XEQ512J3VAG vs S912XET512J3MAG - which is better for CAN gateway design?
Choose S912XEQ512J3VAG if you need AEC-Q100 qualification with 512 KB Flash in 144-LQFP, ideal for production body/gateway ECUs in 12 V automotive environments. Choose S912XET512J3MAG for higher-temperature or extended Flash variants per the S12XE family. The S912XEQ512J3VAG is the better mainstream pick for CAN gateway modules due to its proven AEC-Q100 qualification and broad distributor stock.
What is the best drop-in replacement for S912XEQ512J3VAG?
The best drop-in replacement is S912XEQ512J2MAL, which shares the same S12XE core, 512 KB Flash, and is in the same family. For pin-to-pin compatible variants, S912XEQ384J3CALR is a 384 KB Flash alternative with the same architecture. Always verify the package code and pinout against the datasheet before substituting, because LQFP and QFP package codes can differ across the family.
Where can I download the S912XEQ512J3VAG datasheet PDF?
The official datasheet PDF is hosted on the NXP product page at https://www.nxp.com/docs/en/data-sheet/S12XEQ512.pdf, and the part landing page at https://www.nxp.com/part/S912XEQ512J3VAG provides the document plus application notes. Distributor pages such as DigiKey, Mouser, and Arrow also link to the same PDF, and Veswin Electronics offers cross-reference and datasheet support.
Where do I find the S912XEQ512J3VAG pinout?
The 144-LQFP pinout for the S912XEQ512J3VAG is documented in the NXP S12XEQ512 datasheet under the 'Pin Assignments' section, with parallel packages listed for LQFP and QFP variants. The package has 144 gull-wing terminals in a 20x20 mm square body. Veswin and Veswin Electronics engineering support can also provide the pinout for sourcing decisions.
When should I choose S912XEQ512J3VAG over S912XET512J3MAG?
Choose S912XEQ512J3VAG when you need AEC-Q100 automotive qualification at -40 to +105 C in 144-LQFP and mainstream 512 KB Flash - it is the production body/gateway ECU standard. Choose S912XET512J3MAG only when a slightly different mask or peripheral mix is acceptable and the 512 KB Flash target is identical. Both belong to the NXP S12XE family and are firmware-compatible within their masks.
What are the key specifications of S912XEQ512J3VAG that engineers should know?
The S912XEQ512J3VAG is a 16-bit HCS12X MCU at 50 MHz, with 512 KB Flash, an XGATE co-processor, a memory protection unit with supervisor/user modes, AEC-Q100 qualification, and a 144-LQFP (20x20) package. It supports 1.8 V / 2.8 V / 5 V operation, runs from -40 C to +105 C, and is targeted at automotive body, gateway, and instrument-cluster designs. These specs are summarized on the NXP product page and the DigiKey listing.
Is there an NXP equivalent for the S912XEQ512J3VAG in another mask?
Yes. The NXP S12XE family offers several mask and Flash variants in the same package footprint, including S912XEQ512J2MAL (different mask, similar Flash) and S912XET512J3MAG. Both share the HCS12X core and XGATE co-processor, enabling firmware migration. Confirm pinout equivalence against the datasheet before PCB reuse, because mask revisions can move a small number of test-mode pins.
داده‌های مرجع مهندسی برای S912XEQ512J3VAG — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
Choose the S912XEQ512J3VAG when you need a 16-bit 512 KB Flash automotive MCU with XGATE in 144-LQFP and -40 to +105 C AEC-Q100 Grade 1 qualification, especially for body controllers, gateway modules, and instrument clusters in production automotive ECUs. Choose S912XEQ512J2MAL if your design runs at 85 C or below (lower-cost industrial variant). Choose S912XEQ384J3CALR if you only need 384 KB Flash with the same pinout. Choose MC9S12XEQ512MAG when you specifically need the Freescale-branded die revision. Avoid MC9S12XEG128MAA unless your application fits in 128 KB Flash.
مقایسه با جایگزین‌ها
| پارامتر | این محصول | 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 |
تفاوت‌های کلیدی
- AEC-Q100 Grade 1 qualified at +105 C (در مقابلS912XEQ512J2MAL)
- 512 KB Flash matches typical body/gateway stacks (در مقابلMC9S12XEG128MAA)
- Same 144-LQFP package as alternates - PCB reuse (در مقابلS912XEQ384J3CALR)
یادداشت‌های طراحی
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.
اطلاعات انطباق
RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
بدون سرب
Yes
بدون هالوژن
Unknown
مواد معدنی درگیری
Compliant
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'.
تاریخ تأیید داده‌ها: 2026-10-19
— داده‌ها توسط تیم مهندسی قطعات XAIPART تأیید و گردآوری شده است
جستجوهای مرتبط
S912XEQ512J3VAG
S912XEQ512J3VAG datasheet
NXP HCS12X 512KB Flash MCU
144-LQFP automotive MCU 50MHz
AEC-Q100 16-bit microcontroller LQFP
S912XEQ512J3VAG body control module
S912XEQ512J3VAG vs MC9S12XEQ512MAG
S912XEQ512J3VAG buy price
XGATE co-processor S12X MCU
automotive CAN gateway microcontroller
S912XEQ512J3VAG pinout 144-LQFP
S912XEQ512J3VAG drop-in replacement
قطعات و اصطلاحات مرتبط
NXP Semiconductors
Freescale Semiconductor
S912XEQ512J3VAG
S912XEQ512J2MAL
S912XET512J3MAG
S912XEQ384J3CALR
MC9S12XEQ512MAG
MC9S12XEG128MAA
HCS12X
XGATE
microcontroller
16-bit MCU
AEC-Q100
LQFP-144
RoHS
REACH
automotive body control
CAN bus
LIN bus
instrument cluster
memory protection unit
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