S912XEQ384J3VAL - 16-bit HCS12X MCU 384KB Flash 50MHz | NXP
MPN: S912XEQ384J3VAL ✓ AktifS912XEQ384J3VAL Ringkasan
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.
Alternatif penggantian untuk S912XEQ384J3VAL — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian S912XEQ384J3VAL (sama faktor bentuk dan footprint) — berbeda di dalam Package, Mounting Type, Operating Temperature, Core, Timers.
S912XEQ384J3CAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEQ384J3CALR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEG384J2CALR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEQ384F1VAL
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
S912XEQ512J2MAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XET512J3MAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XEG128MAA
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XEQ512CAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEQ384J3VAL Rating Maksimal & Karakteristik Listrik
| 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 |
| Rentang Suhu Kerja | -40C to +105C |
| Tegangan Pemuat | 1.8 V / 2.8 V / 5 V (internal regulator) |
| Paket | 112-LQFP (20 x 20 mm) |
| Automotive Qualification | AEC-Q100 Grade 1 |
| Status RoHS | Compliant |
| Tipe Mounting | Surface Mount (Tray per Arrow listing) |
Konfigurasi Pin S912XEQ384J3VAL
| Pin produk 1 | VSS1 — Ground reference 1 |
| Pin produk 2 | VDDR — Regulated supply for internal regulator |
| Pin produk 3 | VDDX1 — External supply 1 (5 V / 3.3 V) |
| Pin produk 4 | VSSX1 — External ground 1 |
| Pin produk 5 | VDDX2 — External supply 2 |
| Pin produk 6 | VSSX2 — External ground 2 |
| Pin produk 7 | PE0 — Port E bit 0 / CAN4TX (alternate) |
| Pin produk 8 | PE1 — Port E bit 1 / CAN4RX (alternate) |
| Pin produk 9 | PE2 — Port E bit 2 |
| Pin produk 10 | PE3 — Port E bit 3 |
| Pin produk 11 | PE4 — Port E bit 4 |
| Pin produk 12 | PE5 — Port E bit 5 |
| Pin produk 13 | PE6 — Port E bit 6 |
| Pin produk 14 | PE7 — Port E bit 7 |
| Pin produk 15 | PJ0 — Port J bit 0 (XGATE interrupt capable) |
| Pin produk 16 | PJ1 — Port J bit 1 |
| Pin produk 17 | PJ2 — Port J bit 2 |
| Pin produk 18 | PJ3 — Port J bit 3 |
| Pin produk 19 | PJ4 — Port J bit 4 |
| Pin produk 20 | PJ5 — Port J bit 5 |
| Pin produk 21 | PJ6 — Port J bit 6 |
| Pin produk 22 | PJ7 — Port J bit 7 |
| Pin produk 23 | BKGD — Background Debug Mode pin (BDM) |
| Pin produk 24 | RESET — External reset input (active low) |
| Pin produk 25 | TEST — Test mode pin - tie to VDDX per datasheet |
| Pin produk 26 | XFC — PLL filter capacitor |
| Pin produk 27 | EXTAL — Crystal/clock input |
| Pin produk 28 | XTAL — Crystal output |
| Pin produk 29 | PAD00 — Port AD bit 0 / ATD channel 0 |
| Pin produk 30 | PAD01 — Port AD bit 1 / ATD channel 1 |
| Pin produk 31 | PAD02 — Port AD bit 2 / ATD channel 2 |
| Pin produk 32 | PAD03 — Port AD bit 3 / ATD channel 3 |
| Pin produk 33 | PAD04 — Port AD bit 4 / ATD channel 4 |
| Pin produk 34 | PAD05 — Port AD bit 5 / ATD channel 5 |
| Pin produk 35 | PAD06 — Port AD bit 6 / ATD channel 6 |
| Pin produk 36 | PAD07 — Port AD bit 7 / ATD channel 7 |
| Pin produk 37 | PAD08 — Port AD bit 8 / ATD channel 8 |
| Pin produk 38 | PAD09 — Port AD bit 9 / ATD channel 9 |
| Pin produk 39 | PAD10 — Port AD bit 10 / ATD channel 10 |
| Pin produk 40 | PAD11 — Port AD bit 11 / ATD channel 11 |
| Pin produk 41 | PAD12 — Port AD bit 12 / ATD channel 12 |
| Pin produk 42 | PAD13 — Port AD bit 13 / ATD channel 13 |
| Pin produk 43 | PAD14 — Port AD bit 14 / ATD channel 14 |
| Pin produk 44 | PAD15 — Port AD bit 15 / ATD channel 15 |
| Pin produk 45 | PAD16 — Port AD bit 16 |
| Pin produk 46 | PAD17 — Port AD bit 17 |
| Pin produk 47 | PAD18 — Port AD bit 18 |
| Pin produk 48 | PAD19 — Port AD bit 19 |
| Pin produk 49 | PAD20 — Port AD bit 20 |
| Pin produk 50 | PAD21 — Port AD bit 21 |
| Pin produk 51 | PAD22 — Port AD bit 22 |
| Pin produk 52 | PAD23 — Port AD bit 23 |
| Pin produk 53 | PA0 — Port A bit 0 / ECT channel 0 |
| Pin produk 54 | PA1 — Port A bit 1 / ECT channel 1 |
| Pin produk 55 | PA2 — Port A bit 2 / ECT channel 2 |
| Pin produk 56 | PA3 — Port A bit 3 / ECT channel 3 |
| Pin produk 57 | PA4 — Port A bit 4 / ECT channel 4 |
| Pin produk 58 | PA5 — Port A bit 5 / ECT channel 5 |
| Pin produk 59 | PA6 — Port A bit 6 / ECT channel 6 |
| Pin produk 60 | PA7 — Port A bit 7 / ECT channel 7 |
| Pin produk 61 | PB0 — Port B bit 0 / ECT channel 0 alt |
| Pin produk 62 | PB1 — Port B bit 1 / ECT channel 1 alt |
| Pin produk 63 | PB2 — Port B bit 2 / ECT channel 2 alt |
| Pin produk 64 | PB3 — Port B bit 3 / ECT channel 3 alt |
| Pin produk 65 | PB4 — Port B bit 4 / ECT channel 4 alt |
| Pin produk 66 | PB5 — Port B bit 5 / ECT channel 5 alt |
| Pin produk 67 | PB6 — Port B bit 6 / ECT channel 6 alt |
| Pin produk 68 | PB7 — Port B bit 7 / ECT channel 7 alt |
| Pin produk 69 | PP0 — Port P bit 0 / PWM channel 0 |
| Pin produk 70 | PP1 — Port P bit 1 / PWM channel 1 |
| Pin produk 71 | PP2 — Port P bit 2 / PWM channel 2 |
| Pin produk 72 | PP3 — Port P bit 3 / PWM channel 3 |
| Pin produk 73 | PP4 — Port P bit 4 / PWM channel 4 |
| Pin produk 74 | PP5 — Port P bit 5 / PWM channel 5 |
| Pin produk 75 | PP6 — Port P bit 6 / PWM channel 6 |
| Pin produk 76 | PP7 — Port P bit 7 / PWM channel 7 |
| Pin produk 77 | PS0 — Port S bit 0 / SPI0 |
| Pin produk 78 | PS1 — Port S bit 1 / SPI0 SCK |
| Pin produk 79 | PS2 — Port S bit 2 / SPI0 MOSI |
| Pin produk 80 | PS3 — Port S bit 3 / SPI0 MISO |
| Pin produk 81 | PS4 — Port S bit 4 / SCI0 TX |
| Pin produk 82 | PS5 — Port S bit 5 / SCI0 RX |
| Pin produk 83 | PS6 — Port S bit 6 / SCI1 TX |
| Pin produk 84 | PS7 — Port S bit 7 / SCI1 RX |
| Pin produk 85 | PT0 — Port T bit 0 / IIC SCL |
| Pin produk 86 | PT1 — Port T bit 1 / IIC SDA |
| Pin produk 87 | PT2 — Port T bit 2 / CAN0 TX |
| Pin produk 88 | PT3 — Port T bit 3 / CAN0 RX |
| Pin produk 89 | PT4 — Port T bit 4 / CAN1 TX |
| Pin produk 90 | PT5 — Port T bit 5 / CAN1 RX |
| Pin produk 91 | PT6 — Port T bit 6 |
| Pin produk 92 | PT7 — Port T bit 7 |
| Pin produk 93 | PM0 — Port M bit 0 |
| Pin produk 94 | PM1 — Port M bit 1 |
| Pin produk 95 | PM2 — Port M bit 2 |
| Pin produk 96 | PM3 — Port M bit 3 |
| Pin produk 97 | PM4 — Port M bit 4 |
| Pin produk 98 | PM5 — Port M bit 5 |
| Pin produk 99 | PM6 — Port M bit 6 |
| Pin produk 100 | PM7 — Port M bit 7 |
| Pin produk 101 | VDDPLL — Internal PLL supply |
| Pin produk 102 | VSSPLL — Internal PLL ground |
| Pin produk 103 | VDDX3 — External supply 3 |
| Pin produk 104 | VSSX3 — External ground 3 |
| Pin produk 105 | VDDX4 — External supply 4 |
| Pin produk 106 | VSSX4 — External ground 4 |
| Pin produk 107 | VDD2 — Internal regulator output (2.5 V) |
| Pin produk 108 | VSS2 — Internal regulator ground |
| Pin produk 109 | PK0 — Port K bit 0 |
| Pin produk 110 | PK1 — Port K bit 1 |
| Pin produk 111 | PH0 — Port H bit 0 |
| Pin produk 112 | PH1 — Port H bit 1 |
Aplikasi Umum
S912XEQ384J3VAL cocok untuk 7 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk S912XEQ384J3VAL — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- XGATE peripheral co-processor absent on classical HCS12 (vsMC9S12H256VFVE)
- 384 KB Flash, 16 KB RAM with MPU for software partitioning (vsMC9S12XEG128MAA)
- Production-ready drop-in tray variant within the S12XEQ family (vsS912XEQ384J3CALR)
Catatan Desain
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.
Informasi Konformitas
AEC-Q100 Grade 1 per NXP product page. RoHS/REACH compliant per NXP and Arrow listings.
