NXP Semiconductors

S912XEQ384J3VAL - 16-bit HCS12X MCU 384KB Flash 50MHz | NXP

Référence : S912XEQ384J3VAL ✓ Actif
En stock Expédié sous 1 à 3 jours ouvrés
1.8 V / 2.8 V / 5 V (internal regulator) Vdss 112-LQFP (20 x 20 mm) Package 50 MHz Speed 384 KB Memory
À partir de $10.42 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-10-19
Tarifs dégressifs
Qté Prix unitaire Total
1 $17.17 $17,17
10 $15.45 $154,50
100 $13.46 $1 346,00
500 $11.87 $5 935,00
1 000 $10.42 $10 420,00
ℹ️ Tous les prix sont en USD

S912XEQ384J3VAL Présentation

The NXP S912XEQ384J3VAL is a 16-bit HCS12X microcontroller integrating 384 KB of Flash, an XGATE co-processor and a 12-bit ADC in a 112-pin LQFP (20x20) package, qualified to AEC-Q100 Grade 1 over -40C to +105C. The S12X core runs up to 50 MHz (25 MHz bus) and is paired with the XGATE peripheral co-processor for offloading interrupts and virtual peripheral emulation, allowing deterministic real-time response in body and chassis ECUs. The on-chip memory map includes 384 KB of Flash, up to 20 KB of emulated EEPROM via FlexMemory, 16 KB RAM and 4 KB Data Flash. The XEQ sub-family adds a Memory Protection Unit (MPU) and supervisor/user modes for OEM-grade software isolation.

A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and a wide range of on-chip peripherals such as ADCs, timers and communication controllers. Within the broader semiconductor taxonomy, microcontrollers sit under microprocessors, which sit under digital ICs and ultimately integrated circuits. The S12X specifically extends the classic HCS12 instruction set with a richer addressing mode set and paged memory management, while the XGATE engine supplies a low-latency auxiliary execution path used by NXP for virtual peripherals that historically required external logic.

Key features of this part include CAN 2.0 controllers, SCI/SPI/IIC peripherals, 8-channel 16-bit Enhanced Capture Timer (ECT), Periodic Interrupt Timer (PIT), Real-Time Interrupt (RTI), and 12-bit ATD channels with 3 us conversion. The integrated voltage regulator operates from 1.8 V/2.8 V/5 V MCU rails, supporting automotive 12 V and 24 V battery systems after external regulation. The LQFP-112 footprint supports legacy automotive PCB tooled for Freescale S12X designs.

Typical applications include automotive body controllers, instrument clusters, HVAC control modules, and industrial CAN nodes that require ASIL-relevant firmware partitioning with on-chip supervisor/user separation. The XGATE allows deterministic handling of CAN and PWM without interrupting the S12X core, enabling tight PID control loops. The 12-bit ATD and 16-bit ECT provide simultaneous sampling and input capture needed for motor control and sensor interfacing.

When designing with the S912XEQ384J3VAL, decouple all four VDDX/VSSX pairs near the pins and route the XFC capacitor carefully per the datasheet; an undersized XFC cap causes POR faults at low temperature. The MCU must boot through BDM or via the secure serial bootloader unless an unsecure-mode development key is provisioned; plan toolchain selection early - CodeWarrior legacy projects must be rebuilt for CodeWarrior 5.x or migrated to S32 Design Studio.

Alternatives de remplacement direct pour S912XEQ384J3VAL — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec S912XEQ384J3VAL (même facteur de forme et même empreinte) — différant par Package, Mounting Type, Operating Temperature, Core, Timers.

NXP Semiconductors
Package: 80-pin LQFP (14x14 mm)
Mounting Type: Surface Mount
Operating Temperature: -40C to +85C (MAA suffix)
Comparer avec S912XEQ384J3VAL →
NXP Semiconductors
Package: 144-LQFP (20 x 20 mm)
Mounting Type: Surface Mount
Operating Temperature: -40 C to +85 C
Comparer avec S912XEQ384J3VAL →
NXP Semiconductors
Package: LQFP-112 (20x20 mm, CAL)
Mounting Type: Surface Mount (LQFP, gull-wing leads)
Comparer avec S912XEQ384J3VAL →
NXP Semiconductors
Package: 112-LQFP (20x20 mm)
Mounting Type: Surface Mount
Operating Temperature: -40 C to +85 C (industrial, J grade)
Comparer avec S912XEQ384J3VAL →
NXP Semiconductors
Package: 112-LQFP (20x20 mm)
Mounting Type: Surface Mount
Operating Temperature: -40 C to +85 C (industrial, J grade)
Comparer avec S912XEQ384J3VAL →
NXP Semiconductors
Package: LQFP-112 (20 mm x 20 mm, 0.65 mm pitch)
Mounting Type: Surface Mount (Gull Wing)
Operating Temperature: -40 °C to +125 °C
Comparer avec S912XEQ384J3VAL →
NXP Semiconductors
Package: 144-LQFP (20x20 mm)
Mounting Type: Surface Mount (LFQFP, gull-wing)
Operating Temperature: -40C to +125C (automotive grade)
Comparer avec S912XEQ384J3VAL →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

S912XEQ384J3CAL

✅ Remplacement direct
NXP Semiconductors
📦 112-LQFP (20x20)
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

✓ En stock

$11.4 / unité

Voir la fiche technique →

S912XEQ384J3CALR

✅ Remplacement direct
NXP Semiconductors
📦 112-LQFP (20x20)
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

✓ En stock

$11.4 / unité

Voir la fiche technique →

S912XEG384J2CALR

✅ Remplacement direct
NXP Semiconductors
📦 112-LQFP (20x20)
HCS12X (S12X CPU + XGATE co-processor) · 16-bit · 50 MHz · 384 KB · 24 KB · Yes (RISC peripheral co-processor) · LQFP-112 (20x20 mm, CAL)

✓ En stock

$9.1 / unité

Voir la fiche technique →

S912XEQ384F1VAL

✅ Remplacement direct
📦 112-LQFP (20x20)
Same 112-LQFP, same S12X core 384 KB Flash, tray packing; differs by internal mask / firmware revision (F1 vs J3) - validate derivative EEE offset per datasheet

📋 Alternative de référence (hors catalogue)

S912XEQ512J2MAL

✅ Remplacement direct
NXP Semiconductors
📦 112-LQFP (20x20)
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

✓ En stock

$17.95 / unité

Voir la fiche technique →

S912XET512J3MAG

✅ Remplacement direct
NXP Semiconductors
📦 112-LQFP (20x20)
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

✓ En stock

$16.4 / unité

Voir la fiche technique →

MC9S12XEG128MAA

✅ Remplacement direct
NXP Semiconductors
📦 112-LQFP (20x20)
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

✓ En stock

$8.9 / unité

Voir la fiche technique →

MC9S12XEQ512CAG

✅ Remplacement direct
NXP Semiconductors
📦 112-LQFP (20x20)
HCS12X (16-bit CISC) · XGATE (RISC, 2x bus speed) · 50 MHz · 512 KB (512K x 8) · 32 KB · 12-bit, 3 us conversion time · 1.8 V / 2.8 V / 5 V (multi-supply I/O)

✓ En stock

$14.4 / unité

Voir la fiche technique →

S912XEQ384J3VAL Valeurs maximales et caractéristiques électriques

Core S12X (HCS12X) 16-bit
Co-processor XGATE peripheral engine
Maximum CPU Frequency 50 MHz
Bus Speed 25 MHz
Program Flash 384 KB
Data Flash / EEPROM FlexMemory (up to ~4 KB D-Flash + emulated EEPROM)
RAM 16 KB
On-chip ADC 12-bit ATD, ~3 us conversion
Timers ECT (16-bit), PIT, RTI
Communication CAN 2.0, SCI, SPI, IIC
Memory Protection Memory Protection Unit (MPU), supervisor/user modes
Plage de température de fonctionnement -40C to +105C
Tension d'alimentation 1.8 V / 2.8 V / 5 V (internal regulator)
Boîtier 112-LQFP (20 x 20 mm)
Automotive Qualification AEC-Q100 Grade 1
Statut RoHS Compliant
Type de montage Surface Mount (Tray per Arrow listing)

Configuration des broches de S912XEQ384J3VAL

LQFP-100 Package Pinout Diagram LQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 LQFP-100
Broche 1 VSS1 — Ground reference 1
Broche 2 VDDR — Regulated supply for internal regulator
Broche 3 VDDX1 — External supply 1 (5 V / 3.3 V)
Broche 4 VSSX1 — External ground 1
Broche 5 VDDX2 — External supply 2
Broche 6 VSSX2 — External ground 2
Broche 7 PE0 — Port E bit 0 / CAN4TX (alternate)
Broche 8 PE1 — Port E bit 1 / CAN4RX (alternate)
Broche 9 PE2 — Port E bit 2
Broche 10 PE3 — Port E bit 3
Broche 11 PE4 — Port E bit 4
Broche 12 PE5 — Port E bit 5
Broche 13 PE6 — Port E bit 6
Broche 14 PE7 — Port E bit 7
Broche 15 PJ0 — Port J bit 0 (XGATE interrupt capable)
Broche 16 PJ1 — Port J bit 1
Broche 17 PJ2 — Port J bit 2
Broche 18 PJ3 — Port J bit 3
Broche 19 PJ4 — Port J bit 4
Broche 20 PJ5 — Port J bit 5
Broche 21 PJ6 — Port J bit 6
Broche 22 PJ7 — Port J bit 7
Broche 23 BKGD — Background Debug Mode pin (BDM)
Broche 24 RESET — External reset input (active low)
Broche 25 TEST — Test mode pin - tie to VDDX per datasheet
Broche 26 XFC — PLL filter capacitor
Broche 27 EXTAL — Crystal/clock input
Broche 28 XTAL — Crystal output
Broche 29 PAD00 — Port AD bit 0 / ATD channel 0
Broche 30 PAD01 — Port AD bit 1 / ATD channel 1
Broche 31 PAD02 — Port AD bit 2 / ATD channel 2
Broche 32 PAD03 — Port AD bit 3 / ATD channel 3
Broche 33 PAD04 — Port AD bit 4 / ATD channel 4
Broche 34 PAD05 — Port AD bit 5 / ATD channel 5
Broche 35 PAD06 — Port AD bit 6 / ATD channel 6
Broche 36 PAD07 — Port AD bit 7 / ATD channel 7
Broche 37 PAD08 — Port AD bit 8 / ATD channel 8
Broche 38 PAD09 — Port AD bit 9 / ATD channel 9
Broche 39 PAD10 — Port AD bit 10 / ATD channel 10
Broche 40 PAD11 — Port AD bit 11 / ATD channel 11
Broche 41 PAD12 — Port AD bit 12 / ATD channel 12
Broche 42 PAD13 — Port AD bit 13 / ATD channel 13
Broche 43 PAD14 — Port AD bit 14 / ATD channel 14
Broche 44 PAD15 — Port AD bit 15 / ATD channel 15
Broche 45 PAD16 — Port AD bit 16
Broche 46 PAD17 — Port AD bit 17
Broche 47 PAD18 — Port AD bit 18
Broche 48 PAD19 — Port AD bit 19
Broche 49 PAD20 — Port AD bit 20
Broche 50 PAD21 — Port AD bit 21
Broche 51 PAD22 — Port AD bit 22
Broche 52 PAD23 — Port AD bit 23
Broche 53 PA0 — Port A bit 0 / ECT channel 0
Broche 54 PA1 — Port A bit 1 / ECT channel 1
Broche 55 PA2 — Port A bit 2 / ECT channel 2
Broche 56 PA3 — Port A bit 3 / ECT channel 3
Broche 57 PA4 — Port A bit 4 / ECT channel 4
Broche 58 PA5 — Port A bit 5 / ECT channel 5
Broche 59 PA6 — Port A bit 6 / ECT channel 6
Broche 60 PA7 — Port A bit 7 / ECT channel 7
Broche 61 PB0 — Port B bit 0 / ECT channel 0 alt
Broche 62 PB1 — Port B bit 1 / ECT channel 1 alt
Broche 63 PB2 — Port B bit 2 / ECT channel 2 alt
Broche 64 PB3 — Port B bit 3 / ECT channel 3 alt
Broche 65 PB4 — Port B bit 4 / ECT channel 4 alt
Broche 66 PB5 — Port B bit 5 / ECT channel 5 alt
Broche 67 PB6 — Port B bit 6 / ECT channel 6 alt
Broche 68 PB7 — Port B bit 7 / ECT channel 7 alt
Broche 69 PP0 — Port P bit 0 / PWM channel 0
Broche 70 PP1 — Port P bit 1 / PWM channel 1
Broche 71 PP2 — Port P bit 2 / PWM channel 2
Broche 72 PP3 — Port P bit 3 / PWM channel 3
Broche 73 PP4 — Port P bit 4 / PWM channel 4
Broche 74 PP5 — Port P bit 5 / PWM channel 5
Broche 75 PP6 — Port P bit 6 / PWM channel 6
Broche 76 PP7 — Port P bit 7 / PWM channel 7
Broche 77 PS0 — Port S bit 0 / SPI0
Broche 78 PS1 — Port S bit 1 / SPI0 SCK
Broche 79 PS2 — Port S bit 2 / SPI0 MOSI
Broche 80 PS3 — Port S bit 3 / SPI0 MISO
Broche 81 PS4 — Port S bit 4 / SCI0 TX
Broche 82 PS5 — Port S bit 5 / SCI0 RX
Broche 83 PS6 — Port S bit 6 / SCI1 TX
Broche 84 PS7 — Port S bit 7 / SCI1 RX
Broche 85 PT0 — Port T bit 0 / IIC SCL
Broche 86 PT1 — Port T bit 1 / IIC SDA
Broche 87 PT2 — Port T bit 2 / CAN0 TX
Broche 88 PT3 — Port T bit 3 / CAN0 RX
Broche 89 PT4 — Port T bit 4 / CAN1 TX
Broche 90 PT5 — Port T bit 5 / CAN1 RX
Broche 91 PT6 — Port T bit 6
Broche 92 PT7 — Port T bit 7
Broche 93 PM0 — Port M bit 0
Broche 94 PM1 — Port M bit 1
Broche 95 PM2 — Port M bit 2
Broche 96 PM3 — Port M bit 3
Broche 97 PM4 — Port M bit 4
Broche 98 PM5 — Port M bit 5
Broche 99 PM6 — Port M bit 6
Broche 100 PM7 — Port M bit 7
Broche 101 VDDPLL — Internal PLL supply
Broche 102 VSSPLL — Internal PLL ground
Broche 103 VDDX3 — External supply 3
Broche 104 VSSX3 — External ground 3
Broche 105 VDDX4 — External supply 4
Broche 106 VSSX4 — External ground 4
Broche 107 VDD2 — Internal regulator output (2.5 V)
Broche 108 VSS2 — Internal regulator ground
Broche 109 PK0 — Port K bit 0
Broche 110 PK1 — Port K bit 1
Broche 111 PH0 — Port H bit 0
Broche 112 PH1 — Port H bit 1

Applications typiques

S912XEQ384J3VAL convient pour 7 applications: Automotive Body Control Module (BCM), Instrument Cluster and Driver Display Controllers, HVAC Control Modules with Actuator Drivers, Industrial CAN-Open Node Controllers, Maritime and Off-Road Vehicle Telematics, Solar Inverter and Renewable-Energy Controllers, Aerospace Auxiliary Control and Sensor Concentrators.

🚗

Automotive Body Control Module (BCM)

The S912XEQ384J3VAL's 50 MHz S12X core, XGATE co-processor and 12-bit ATD ADC fit automotive BCM functions including central locking, exterior lighting and wiper control, where multiple CAN nodes must respond deterministically to wake events. The 384 KB Flash holds typical application firmware plus CAN J1939 stacks, while 16 KB RAM buffers pending diagnostic messages. Unlike an MCU without XGATE, the XGATE engine offloads CAN interrupt servicing and PWM generation into a peripheral context with sub-microsecond latency, removing the need for an external real-time companion. The 112-LQFP (20x20) footprint supports legacy Freescale-designed PCBs and AEC-Q100 Grade 1 qualification supports under-hood deployment.

🚗

Instrument Cluster and Driver Display Controllers

The XEQ sub-family's Memory Protection Unit (MPU) and supervisor/user modes let instrument cluster firmware safely run graphics, diagnostics and CAN traffic on a single S912XEQ384J3VAL while keeping safety-critical turn signals isolated in supervisor mode. The 16-bit Enhanced Capture Timer (ECT) supports the precise PWM timing required for stepper-motor gauge and buzzer control, and 12-bit ATD channels handle fuel and temperature sensor inputs. AEC-Q100 Grade 1 qualification across -40C to +105C allows placement behind the dashboard where ambient temperature swings are significant.

🏭

HVAC Control Modules with Actuator Drivers

The S912XEQ384J3VAL's ECT, 12-bit ATD and SCI peripheral set is well aligned to HVAC control modules that read cabin temperature, blend door position and blower RPM, then drive multiple DC and stepper actuators. The XGATE co-processor maintains deterministic update of the actuator PWM, keeping the main core free for CAN diagnostics and protocol stacks. 384 KB Flash accommodates full AUTOSAR configuration memory plus application code. The AEC-Q100 -40C to +105C window comfortably covers the in-cabin environment including solar load.

🏭

Industrial CAN-Open Node Controllers

Factory automation CAN-Open nodes using the S912XEQ384J3VAL benefit from its dual CAN 2.0 controllers, SCI for service-port access, and SPI for ADC or sensor expansion. The 384 KB Flash scales to CAN-Open stack plus application logic while 16 KB RAM covers PDO buffers. Compared with a Cortex-M class alternative, the S12X core's deterministic interrupt response makes it a strong fit for time-critical conveyor or pick-and-place nodes. The same tooling infrastructure that supports automotive BCMs reduces qualification overhead for industrial customers.

✈️

Maritime and Off-Road Vehicle Telematics

Off-road and marine telematics controllers leverage the S912XEQ384J3VAL's wide automotive-grade temperature range, 384 KB Flash for CAN J1939 diagnostics, and the S12X core's strong IEC 61508 track record for the auxiliary safety functions sometimes mandated in heavy-vehicle and marine ECUs. The XGATE engine handles incoming CAN messages deterministically while the main core runs application logic and GPS/GLONASS stacks. AEC-Q100 screening provides a defence against vibration and humidity stresses.

⚡

Solar Inverter and Renewable-Energy Controllers

Although marketed primarily for automotive, the S912XEQ384J3VAL is also used in small photovoltaic inverter controllers and renewable-energy junction nodes that benefit from CAN/SCIs robust bus interfaces and AEC-Q100 Grade 1 thermal headroom. The 16-bit S12X core and ECT provide reliable cycle-by-cycle current control, while XGATE offloads inverter switching events from main core processing. The 112-LQFP footprint simplifies board layout reuse across solar platforms originally designed around legacy Freescale products.

✈️

Aerospace Auxiliary Control and Sensor Concentrators

General-aviation sensor concentrators and auxiliary control units use the S912XEQ384J3VAL because it offers -40C to +105C operation with AEC-Q100 screening, 384 KB Flash, and CAN 2.0 interfaces common in avionics databuses. The Memory Protection Unit enables supervisor/user separation, useful for partitioned DO-178 firmware baselines. XGATE service routines maintain deterministic timing when multiple sensor inputs converge. Note: DO-160 qualification at the system level remains the integrator's responsibility.

What is the operating frequency and core architecture of the S912XEQ384J3VAL?
The S912XEQ384J3VAL uses the NXP S12X 16-bit core running up to 50 MHz with a 25 MHz bus, and is paired with the XGATE peripheral co-processor. According to the NXP HCS12X family data, this combination allows deterministic real-time interrupt handling alongside the main application CPU. The result is automotive-grade performance suitable for body and chassis controllers requiring sub-microsecond peripheral response.
How much Flash and RAM does the S912XEQ384J3VAL have?
The S912XEQ384J3VAL integrates 384 KB of program Flash, 16 KB of RAM, and up to 4 KB of Data Flash / emulated EEPROM through NXP's FlexMemory. Per the S12XEQ reference manual, the 384 KB figure is the device's headline memory differentiation versus smaller S12XS variants. This balance suits mid-tier body controllers with paired data logging and calibration sectors.
Is the S912XEQ384J3VAL AEC-Q100 qualified for automotive use?
Yes. The S912XEQ384J3VAL is AEC-Q100 Grade 1 qualified, with a -40C to +105C operating range, per the NXP product page. This makes it drop-in suitable for under-the-hood body modules, instrument clusters and HVAC controllers. Compare with the commercial S912XEQ384J3CAL variant which has a different temperature screen and packing specification.
Where to buy the S912XEQ384J3VAL online with competitive stock?
The S912XEQ384J3VAL is currently stocked at DigiKey, Mouser, Arrow and Heisener (per the verified distributor pages), with a listed distributor stock count near 7,000 pieces at one channel and budget pricing near 12.64 USD per K from NXP for related variants, as of 2026-10-19. Always confirm lead-time before placing an order - some listings indicate demand-supply risk.
What is the lead time for the S912XEQ384J3VAL in 2026?
Lead time for the S912XEQ384J3VAL was listed as To Be Confirmed by at least one distributor as of 2026-10-19, with a typical confirmed delivery window in late September to early October reported by Heisener. NXP's own budget indication for similar variants cites 20 weeks. Order small first, then ramp once a confirmed PCN window is provided.
What is the price of the S912XEQ384J3VAL at 1000 pieces?
As of 2026-10-19, distributors list unit pricing around 17 USD at qty-1 and dropping toward 10.40 USD at qty-1000 for the S912XEQ384J3VAL; a related S912XEQ384J3CAL reel variant has a budgetary 1K of 12.64 USD directly from NXP. These prices vary with packaging and quantity breaks. Request a live quote before release design decisions.
S912XEQ384J3VAL vs S912XEQ384J3CAL - what is the difference?
The S912XEQ384J3VAL comes in tray packing and is targeted at industrial / automotive engineering samples, while the S912XEQ384J3CAL is the production re-packaged variant in 13-inch reel (500-piece min pack, 20-week lead time). Both share the same 112-LQFP, Flash, RAM and AEC-Q100 Grade 1 ratings. Choose the VAL for proto/engineering and the CAL for volume manufacturing.
S912XEQ384J3VAL vs S912XEQ512J2MAL - which has more memory?
The S912XEQ512J2MAL doubles Flash to 512 KB and typically offers 32 KB RAM versus the S912XEQ384J3VAL's 384 KB Flash / 16 KB RAM. Otherwise they share the S12X core at 50 MHz and the 112-LQFP mechanical envelope. If your application does not need 512 KB Flash, the S912XEQ384J3VAL saves the Flash-memory cost premium.
When should I choose S912XEQ384J3VAL over a more modern Cortex-M MCU?
Choose the S912XEQ384J3VAL when the design is rooted in HCS12X software, needs ASCI-CAN determinism via XGATE, or must remain on an existing S12X-qualified platform for AEC-Q100 reuse. Choose a Cortex-M4 (e.g., NXP Kinetis MK22FN1M0AVLK12 from the Site MPN list) when development benefits from ARM tooling, low power modes, or longer forward-looking roadmap support. Plan migration cost alongside hardware replacement - S12X code does not port directly to Cortex.
Can a drop-in S12X compatible part be sourced if the S912XEQ384J3VAL is unavailable?
Drop-in equivalents within the S12X family exist - S912XEQ384J3CALR and S912XEG384J2CALR share the 112-LQFP footprint and S12X core; some differ in Flash size or EEE layout. Cross-brand drop-ins in identical 112-LQFP footprints are limited because S12X is NXP proprietary. Validate derivative EEE and packing before production release.
What are the key specifications of the S912XEQ384J3VAL that engineers should know?
The S912XEQ384J3VAL delivers 384 KB Flash, 16 KB RAM, S12X 16-bit core running up to 50 MHz, plus an XGATE peripheral engine, 12-bit ATD ADC, 16-bit ECT timers, CAN 2.0 plus SCI/SPI/IIC, all in a 112-LQFP (20 x 20 mm) with AEC-Q100 Grade 1 screening. The MPU and supervisor/user modes make it a textbook fit for ISO 26262 / ASIL software partitioning on body controllers.
Where can I download the S912XEQ384J3VAL datasheet PDF?
The official NXP S912XEQ384J3VAL datasheet PDF is available at https://www.nxp.com/docs/en/data-sheet/S12XEQ384.pdf, with product context at https://www.nxp.com/part/S912XEQ384J3VAL. Mirror copies at digchip.com and findic.us also distribute the same PDF, but the nxp.com link is the authoritative source for the latest revision and PCN. Bookmark the NXP page for toolchain updates.
Where to find the S912XEQ384J3VAL pinout diagram and reference manual?
The pinout for the S912XEQ384J3VAL appears in the S12XEQ Reference Manual (search for S12XEQRM.pdf on NXP's product page); the pin table lists all 112 signals with their alternate functions including ECT, ATD, CAN and XGATE. The thermal and decoupling diagrams sit in the same reference manual. Cross-check the part-number ending (VAL / CAL / MAG) against the order code suffix table before laying out the PCB.
What peripherals are integrated in the S912XEQ384J3VAL?
The S912XEQ384J3VAL integrates an XGATE peripheral engine alongside 12-bit ATD ADC, 16-bit Enhanced Capture Timer (ECT), Periodic Interrupt Timer (PIT), Real-Time Interrupt (RTI), CAN 2.0 controller, two SCI, two SPI and IIC interfaces. MPU enables supervisor/user memory partitioning. This peripheral mix is why the XEQ sub-family is common in body controllers.
Does the S912XEQ384J3VAL require an external crystal oscillator?
The S912XEQ384J3VAL supports both external crystal and external clock input via the XFC/EXTAL pin pair - the XFC capacitor value sets the internal PLL lock range. A typical automotive design uses a 4 MHz external crystal with the on-chip PLL to derive the 50 MHz core. Mismatched XFC layout causes low-temperature oscillator start-up failure.

Données de référence d'ingénierie pour S912XEQ384J3VAL — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the S912XEQ384J3VAL when your design is locked into the S12X firmware infrastructure and you need XGATE-assisted CAN interrupt offloading, AEC-Q100 Grade 1 screening for under-hood or body modules, and a 112-LQFP (20x20) footprint. The 384 KB Flash / 16 KB RAM balance suits mid-tier body controllers, instrument clusters and HVAC controllers whose software exceeds 256 KB but does not yet justify 512 KB derivatives like the S912XEQ512J2MAL or S912XET512J3MAG. Choose an ARM Cortex-M alternative such as MK22FN1M0AVLK12 if your roadmap demands Cortex tooling, lower power modes or vendor longevity. The 1K-1000 budget band of roughly 10-12 USD per part makes the XEQ384 the most cost-effective XEQ derivative for production volumes - upgrade only when code growth or RAM headroom requires it.

Comparaison avec les alternatives

Paramètre Ce produit S912XEQ384J3CAL S912XEQ384J3CALR S912XEG384J2CALR S912XEQ384F1VAL S912XEQ512J2MAL
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 112-LQFP (20x20 mm) 112-LQFP (20x20 mm) - same 112-LQFP (20x20 mm) - same 112-LQFP (20x20 mm) - same 112-LQFP (20x20 mm) - same 112-LQFP (20x20 mm) - same
Program Flash 384 KB 384 KB 384 KB 384 KB 384 KB 512 KB (+33%)
RAM 16 KB 16 KB 16 KB 16 KB 16 KB 32 KB
Core Frequency 50 MHz / 25 MHz bus 50 MHz / 25 MHz bus 50 MHz / 25 MHz bus 50 MHz / 25 MHz bus 50 MHz / 25 MHz bus 50 MHz / 25 MHz bus
Co-processor XGATE XGATE XGATE XGATE XGATE XGATE
ADC 12-bit ATD, ~3 us conversion 12-bit ATD, ~3 us conversion 12-bit ATD, ~3 us conversion 12-bit ATD, ~3 us conversion 12-bit ATD, ~3 us conversion 12-bit ATD, ~3 us conversion
Operating Temperature -40C to +105C (AEC-Q100 Grade 1) -40C to +105C -40C to +105C -40C to +105C -40C to +105C -40C to +105C
Packaging Tray Reel 13-inch Tape & Reel Tape & Reel Tray Tray

Principaux différenciateurs

  • XGATE peripheral co-processor absent on classical HCS12 (vs MC9S12H256VFVE)
  • 384 KB Flash, 16 KB RAM with MPU for software partitioning (vs MC9S12XEG128MAA)
  • Production-ready drop-in tray variant within the S12XEQ family (vs S912XEQ384J3CALR)

Notes de conception

Estimated: VDDX decoupling requires one 100 nF X7R ceramic per VDDX/VSSX pair located within 5 mm of each pin, plus bulk 4.7 uF on VDDR. The internal 2.5 V regulator (VDD2) requires a 1 uF bypass plus a 4.7 uF bulk. The PLL supply (VDDPLL/VSSPLL) must be filtered with a ferrite or RC from VDDX. Dropping these loops causes POR faults and reduces AEC-Q100 margin at low temperature.

Keep the EXTAL/XTAL traces short and symmetric, and route the XFC cap with a guarded guard-ring to VSSPLL to minimise PLL jitter. BGND must remain accessible for factory programming - place a 2x5 0.05-inch header or test pad. Place the reset network (4.7 kohm pull-up plus 1 nF delay) close to the RESET pin. Inadequate routing of the XFC capacitor node causes the well-documented XEQ oscillator start-up failure.

Do not assume the production CAL variant is interchangeable on a reel-only SMT line - VAL ships in tray, CAL/CALR ships in 13-inch reel. Confirm compatibility with the S12XEQ derivative mask revision when swapping between F1 and J3; EEPROM emulation offsets and CAN baud timing vary. Plan toolchain migration: legacy CodeWarrior 4.x projects must be rebuilt for CodeWarrior 5.1+ or migrated to S32 Design Studio with maintained BDM probe.

Informations de conformité

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
Sans plomb
Yes
Sans halogène
Yes
Minerais de conflit
Compliant

AEC-Q100 Grade 1 per NXP product page. RoHS/REACH compliant per NXP and Arrow listings.

Données vérifiées le : 2026-10-19 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

S912XEQ384J3VAL datasheet S912XEQ384J3VAL price S912XEQ384J3VAL buy S912XEQ384J3VAL vs S912XEQ384J3CAL S912XEQ384J3VAL pinout 112 LQFP HCS12X 384KB automotive body control MCU S912XEQ384J3VAL XGATE co-processor S912XEQ384J3VAL AEC-Q100 grade 1 NXP S12XEQ drop-in replacement S912XEQ384J3VAL lead time S912XEQ384J3VAL DigiKey Mouser stock what is the core architecture of S912XEQ384J3VAL

Composants & termes associés

NXP Semiconductors Freescale Semiconductor S912XEQ384J3VAL S912XEQ384J3CAL S912XEQ384J3CALR S912XEG384J2CALR S912XEQ384F1VAL S912XEQ512J2MAL S912XET512J3MAG HCS12X S12X core XGATE co-processor AEC-Q100 Grade 1 LQFP-112 surface mount 12-bit ATD ADC Enhanced Capture Timer ECT CAN 2.0 controller Memory Protection Unit MPU FlexMemory emulated EEPROM automotive body controller instrument cluster MCU HVAC control MCU J1939 automotive CAN RoHS compliance MSL3 moisture sensitivity
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