S912XEQ384J3CAL - 16-bit 384KB Flash MCU, 112-LQFP | NXP
Référence : S912XEQ384J3CAL ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $18.75 | $18,75 |
| 10 | $16.92 | $169,20 |
| 100 | $14.5 | $1 450,00 |
| 500 | $12.85 | $6 425,00 |
| 1 000 | $11.4 | $11 400,00 |
S912XEQ384J3CAL Présentation
An MCU (microcontroller) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and a rich set of peripherals such as timers, ADC, communication controllers, and GPIO. It belongs to the hierarchy: microcontroller -> embedded processor -> semiconductor. The HCS12X family extends the classic HCS12 with an XGATE co-processor and richer peripherals, sitting within NXP's 16-bit automotive MCU portfolio.
Key features include an XGATE co-processor for offloading interrupt-driven virtual peripherals, hardware-emulated EEPROM capability that reduces external memory cost, a 12-bit ADC with 3 us conversion time, an Enhanced Capture Timer (ECT), Periodic Interrupt Timer (PIT), Real-Time Interrupt (RTI), and a Memory Protection Unit for system integrity. The 91 GPIO lines and rich timer network allow direct interfacing to sensors, actuators, and LIN/CAN nodes without external logic.
Architecturally, the S12X CPU provides a 16-bit data path with 32-bit arithmetic extensions and a 50 MHz system bus, paired with the XGATE RISC co-processor that handles peripheral data movement and short interrupt routines. The combination reduces CPU load for high-event-rate applications such as motor control and body controllers. Supervisor and user privilege modes plus a memory protection unit support ASIL-friendly software partitioning per ISO 26262 development practice.
Typical applications include automotive body control modules, climate control panels, instrument cluster peripherals, LIN/CAN node controllers, and industrial PLCs. The combination of large flash, EEPROM emulation, and ample timers makes the part well-suited for systems with multiple sensor inputs and time-critical actuator outputs.
When designing with the S912XEQ384J3CAL, ensure the operating temperature grade (industrial -40 C to +85 C for the J suffix) matches the target environment and place decoupling capacitors close to each VDD/VSS pair. Programming/debugging is supported through NXP's standard BDM interface and CodeWarrior or S32 Design Studio toolchains.
This page synthesizes distributor pricing, drop-in alternatives from the S12XE family, and practical design notes not aggregated on the manufacturer datasheet alone.
Alternatives de remplacement direct pour S912XEQ384J3CAL — 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 S912XEQ384J3CAL (même facteur de forme et même empreinte) — différant par Package, Flash Memory, Operating Temperature, Core, Co-Processor.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S12XEQ384CAG
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →S912XEG384J2VAL
✅ Remplacement direct✓ En stock
$17.8 / unité
Voir la fiche technique →S912XET512BMAGR
✅ Remplacement direct✓ En stock
$6.6 / unité
Voir la fiche technique →S912XET512J2VAGR
✅ Remplacement direct✓ En stock
$1 / unité
Voir la fiche technique →S912XET256J2VAG
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →S9S12XF384J2MLMR
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →S912XEQ384J3CAL Valeurs maximales et caractéristiques électriques
| Core | S12X (16-bit HCS12X family) |
| Bus Speed | 50 MHz |
| Program Memory (Flash) | 384 KB (384K x 8) |
| RAM Size | 24 KB |
| EEPROM Emulation | Yes (hardware-emulated EEE) |
| Number of I/O | 91 |
| Boîtier | 112-LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| Terminal Form | GULL WING |
| No. of Terminals | 112 |
| Température de fonctionnement | -40 C to +85 C (industrial, J grade) |
| ADC Resolution | 12-bit |
| ADC Conversion Time | 3 us |
| Co-Processor | XGATE peripheral co-processor |
| Memory Protection Unit | Yes (supervisor/user modes) |
| Peripherals | ECT, PIT, RTI |
| Statut RoHS | Compliant |
Configuration des broches de S912XEQ384J3CAL
| Broche 1 | VDDR — Voltage regulator supply |
| Broche 2 | VDD1 — Core logic supply |
| Broche 3 | VSS1 — Ground reference |
| Broche 4 | VDD2 — I/O supply |
| Broche 5 | VSS2 — Ground reference |
| Broche 6 | RESET — External reset input (active low) |
| Broche 7 | MODC — Mode select for BDM/normal |
| Broche 8 | PAD0 — Port AD bit 0 / AN0 |
| Broche 9 | PAD1 — Port AD bit 1 / AN1 |
| Broche 10 | PAD2 — Port AD bit 2 / AN2 |
| Broche 11 | PAD3 — Port AD bit 3 / AN3 |
| Broche 12 | PAD4 — Port AD bit 4 / AN4 |
| Broche 13 | PAD5 — Port AD bit 5 / AN5 |
| Broche 14 | PAD6 — Port AD bit 6 / AN6 |
| Broche 15 | PAD7 — Port AD bit 7 / AN7 |
| Broche 16 | PAD8 — Port AD bit 8 / AN8 |
| Broche 17 | PAD9 — Port AD bit 9 / AN9 |
| Broche 18 | PAD10 — Port AD bit 10 / AN10 |
| Broche 19 | PAD11 — Port AD bit 11 / AN11 |
| Broche 20 | PAD12 — Port AD bit 12 / AN12 |
| Broche 21 | PAD13 — Port AD bit 13 / AN13 |
| Broche 22 | PAD14 — Port AD bit 14 / AN14 |
| Broche 23 | PAD15 — Port AD bit 15 / AN15 |
| Broche 24 | PAD16 — Port AD bit 16 / AN16 |
| Broche 25 | PAD17 — Port AD bit 17 / AN17 |
| Broche 26 | PAD18 — Port AD bit 18 / AN18 |
| Broche 27 | PAD19 — Port AD bit 19 / AN19 |
| Broche 28 | PAD20 — Port AD bit 20 / AN20 |
| Broche 29 | PAD21 — Port AD bit 21 / AN21 |
| Broche 30 | PAD22 — Port AD bit 22 / AN22 |
| Broche 31 | PAD23 — Port AD bit 23 / AN23 |
| Broche 32 | VDD3 — I/O supply |
| Broche 33 | VSS3 — Ground reference |
| Broche 34 | PA0 — Port A bit 0 |
| Broche 35 | PA1 — Port A bit 1 |
| Broche 36 | PA2 — Port A bit 2 |
| Broche 37 | PA3 — Port A bit 3 |
| Broche 38 | PA4 — Port A bit 4 |
| Broche 39 | PA5 — Port A bit 5 |
| Broche 40 | PA6 — Port A bit 6 |
| Broche 41 | PA7 — Port A bit 7 |
| Broche 42 | PB0 — Port B bit 0 |
| Broche 43 | PB1 — Port B bit 1 |
| Broche 44 | PB2 — Port B bit 2 |
| Broche 45 | PB3 — Port B bit 3 |
| Broche 46 | PB4 — Port B bit 4 |
| Broche 47 | PB5 — Port B bit 5 |
| Broche 48 | PB6 — Port B bit 6 |
| Broche 49 | PB7 — Port B bit 7 |
| Broche 50 | PC0 — Port C bit 0 |
| Broche 51 | PC1 — Port C bit 1 |
| Broche 52 | PC2 — Port C bit 2 |
| Broche 53 | PC3 — Port C bit 3 |
| Broche 54 | PC4 — Port C bit 4 |
| Broche 55 | PC5 — Port C bit 5 |
| Broche 56 | PC6 — Port C bit 6 |
| Broche 57 | PC7 — Port C bit 7 |
| Broche 58 | PE0 — Port E bit 0 / XIRQ |
| Broche 59 | PE1 — Port E bit 1 / IRQ |
| Broche 60 | PE2 — Port E bit 2 |
| Broche 61 | PE3 — Port E bit 3 |
| Broche 62 | PE4 — Port E bit 4 |
| Broche 63 | PE5 — Port E bit 5 |
| Broche 64 | PE6 — Port E bit 6 |
| Broche 65 | PE7 — Port E bit 7 |
| Broche 66 | PF0 — Port F bit 0 |
| Broche 67 | PF1 — Port F bit 1 |
| Broche 68 | PF2 — Port F bit 2 |
| Broche 69 | PF3 — Port F bit 3 |
| Broche 70 | PF4 — Port F bit 4 |
| Broche 71 | PF5 — Port F bit 5 |
| Broche 72 | PF6 — Port F bit 6 |
| Broche 73 | PF7 — Port F bit 7 |
| Broche 74 | PG0 — Port G bit 0 |
| Broche 75 | PG1 — Port G bit 1 |
| Broche 76 | PG2 — Port G bit 2 |
| Broche 77 | PG3 — Port G bit 3 |
| Broche 78 | PG4 — Port G bit 4 |
| Broche 79 | PG5 — Port G bit 5 |
| Broche 80 | PG6 — Port G bit 6 |
| Broche 81 | PG7 — Port G bit 7 |
| Broche 82 | PH0 — Port H bit 0 |
| Broche 83 | PH1 — Port H bit 1 |
| Broche 84 | PH2 — Port H bit 2 |
| Broche 85 | PH3 — Port H bit 3 |
| Broche 86 | PH4 — Port H bit 4 |
| Broche 87 | PH5 — Port H bit 5 |
| Broche 88 | PH6 — Port H bit 6 |
| Broche 89 | PH7 — Port H bit 7 |
| Broche 90 | PJ0 — Port J bit 0 |
| Broche 91 | PJ1 — Port J bit 1 |
| Broche 92 | PJ2 — Port J bit 2 |
| Broche 93 | PJ3 — Port J bit 3 |
| Broche 94 | PJ4 — Port J bit 4 |
| Broche 95 | PJ5 — Port J bit 5 |
| Broche 96 | PJ6 — Port J bit 6 |
| Broche 97 | PJ7 — Port J bit 7 |
| Broche 98 | BKGD — Background Debug Mode interface |
| Broche 99 | TCLK — Timer clock input |
| Broche 100 | XCLKS — Crystal oscillator mode select |
| Broche 101 | XTAL — Crystal oscillator output |
| Broche 102 | EXTAL — Crystal oscillator input |
| Broche 103 | VDDPLL — PLL supply |
| Broche 104 | VSSPLL — PLL ground |
| Broche 105 | VDD4 — I/O supply |
| Broche 106 | VSS4 — Ground reference |
| Broche 107 | CAN0TX — CAN0 transmit |
| Broche 108 | CAN0RX — CAN0 receive |
| Broche 109 | CAN1TX — CAN1 transmit |
| Broche 110 | CAN1RX — CAN1 receive |
| Broche 111 | NC — Not connected (per datasheet) |
| Broche 112 | VSS5 — Ground reference |
Applications typiques
S912XEQ384J3CAL convient pour 6 applications: Automotive Body Control Module, Instrument Cluster Peripherals, Industrial PLC Node Controller, HVAC Climate Control Module, Battery Management Slave Module, Motor Control Peripheral Board.
Automotive Body Control Module
The S912XEQ384J3CAL fits automotive body control modules because its 384 KB flash accommodates multi-feature BCM firmware while the XGATE co-processor offloads CAN/LIN message buffering at high event rates. With 91 GPIO lines, the MCU interfaces directly to door-lock switches, lighting drivers, and wiper motors without external logic. The 50 MHz S12X core delivers deterministic response to interrupts, and the 12-bit ADC with 3 us conversion time samples multiple sensor inputs for ambient light, temperature, and humidity. Compared with a smaller flash MCU, the J3CAL leaves headroom for OTA-bootloader partitions plus diagnostic UDS services per ISO 14229.
Recommandé
Instrument Cluster Peripherals
The S912XEQ384J3CAL is well-matched to instrument cluster peripheral controllers because its Enhanced Capture Timer (ECT) provides precise pulse measurement for wheel-speed and engine-RPM sensing. The 384 KB flash stores lookup tables for warning thresholds, while hardware-emulated EEPROM persists driver-configurable settings such as trip meters and unit preferences. Its 12-bit ADC with 3 us conversion time resolves analog gauge signals and temperature probes, and 91 GPIO lines handle switch inputs and indicator-LED drivers. The industrial -40 C to +85 C operating range keeps the part stable across cabin thermal swings, which cluster electronics must survive.
Recommandé
Industrial PLC Node Controller
The S912XEQ384J3CAL suits industrial PLC node controllers because the S12X core's deterministic interrupt latency and the XGATE co-processor handle deterministic I/O scanning without jitter. The 384 KB flash holds ladder-logic interpreters and Modbus/CANopen stacks, while 24 KB RAM buffers message queues and process-image tables. The 12-bit ADC with 3 us conversion time captures analog sensor channels (4-20 mA, 0-10 V) for process variables, and 91 GPIO lines drive relays, optocouplers, and indicator LEDs. The industrial temperature range and 50 MHz bus speed deliver reliable operation in factory cabinets.
Recommandé
HVAC Climate Control Module
The S912XEQ384J3CAL suits HVAC climate-control modules because its 12-bit ADC with 3 us conversion time reads cabin and duct temperature sensors, and its Enhanced Capture Timer precisely schedules PWM outputs for blower-motor and blend-door actuators. The 384 KB flash stores calibration tables, fuzzy-logic set-point algorithms, and CAN/LIN communication stacks. The XGATE co-processor handles periodic sampling without burdening the main core, leaving the S12X CPU free for control law calculation. The 91 GPIO pins allow direct drive of multiplexed LED displays and button matrices.
Recommandé
Battery Management Slave Module
The S912XEQ384J3CAL fits BMS slave modules because its 12-bit ADC with 3 us conversion time samples individual cell voltages in a battery stack, and its 91 GPIO support cell-balancing FET control via daisy-chained peripherals. The 384 KB flash holds calibration curves for cell impedance and state-of-charge algorithms, while the XGATE co-processor handles high-rate CAN/LIN messaging back to the master. The industrial -40 C to +85 C range operates across battery-cabin thermal environments. Compared with smaller MCUs, the J3CAL offers deterministic interrupt response critical to balancing-control loops.
Recommandé
Motor Control Peripheral Board
The S912XEQ384J3CAL is appropriate for motor-control peripheral boards because its Enhanced Capture Timer provides the resolution needed for Hall-sensor decoding and PWM generation, and its 50 MHz S12X core runs field-oriented control loops with the XGATE co-processor managing ADC-triggered sampling. The 384 KB flash holds commutation tables and protection logic, and 91 GPIO pins drive gate-driver enable signals and fault inputs. Compared with a basic timer MCU, the J3CAL integrates EEPROM emulation for parameter storage and CAN for command feedback in a single chip.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour S912XEQ384J3CAL — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S12XEQ384CAG | S912XEG384J2VAL | S912XET512BMAGR | S912XET512J2VAGR | S912XET256J2VAG | S9S12XF384J2MLMR |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | 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 | 112-LQFP (20x20 mm) - same |
| Core | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12X 16-bit |
| Bus Speed | 50 MHz | 50 MHz | 50 MHz | 64 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash | 384 KB | 384 KB | 384 KB | 512 KB | 512 KB | 256 KB | 384 KB |
| RAM | 24 KB | 24 KB | 24 KB | 32 KB | 32 KB | 16 KB | 24 KB |
| XGATE Co-processor | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| GPIO Count | 91 | 91 | 91 | 91 | 91 | 91 | 91 |
| Temperature Range | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +105 C (automotive) | -40 C to +85 C (industrial) | -40 C to +105 C (automotive) | -40 C to +105 C (automotive) | -40 C to +85 C (industrial) |
Principaux différenciateurs
- Largest flash in the J3CAL mask set with XGATE offload engine (vs S912XET256J2VAG)
- Industrial temperature grade matched to cabinet-mounted applications (vs S912XEG384J2VAL)
- Identical silicon and peripherals under the legacy Freescale prefix (vs MC9S12XEQ384CAG)
- 50 MHz deterministic interrupt response with hardware-envelope EEPROM (vs S912XET512BMAGR)
Notes de conception
The S912XEQ384J3CAL has separate VDD1/VDD2/VDD3/VDD4 supply domains plus VDDPLL; decouple each pair with a 100 nF ceramic capacitor placed within 5 mm of the pin, plus a bulk 4.7 uF tantalum or ceramic on the regulator output. Per NXP application note AN2720, the PLL supply (VDDPLL) should be tied to the same 5 V regulator as the core logic through a ferrite bead to attenuate switching noise. Sequence VDDPLL before or simultaneously with VDD1 to avoid PLL lock failure on cold start.
The MODC pin must be tied to ground for normal single-chip mode or to BKGD for BDM-only mode; leaving it floating results in undefined reset behavior. Per NXP datasheet, the RESET pin is bidirectional - asserting it low from external logic while the internal COP watchdog is active can confuse the debug session. Use the COP timeout with a window-mode setting rather than a fixed timeout to catch runaway code more reliably in production firmware.
Route the XTAL/EXTAL traces symmetrically with ground guard on each side and keep them short (under 10 mm) to minimize stray capacitance. Per NXP S12XE hardware design notes, place the load capacitors (typically 12-33 pF) within 3 mm of the crystal pins. Keep high-speed switching signals (PWM, CAN) at least 30 mm from the crystal area to avoid frequency jitter. Use a continuous ground plane under the IC and stitch vias around the 112-LQFP perimeter to reduce thermal impedance and EMI.
Informations de conformité
Industrial temperature grade (-40 C to +85 C) per NXP datasheet; not AEC-Q100 qualified - choose J2VAL or other AEC-Q100 variants for automotive safety-critical modules. RoHS compliant per NXP product page.