S912XEQ384J3CALR - 16-bit 384KB Flash MCU, 112-LQFP | NXP (Tape & Reel)
MPN: S912XEQ384J3CALR ✓ نشطS912XEQ384J3CALR نظرة عامة
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 S912XEQ384J3CALR, 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.
بدائل مباشرة لـ S912XEQ384J3CALR — 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 S912XEQ384J3CALR (نفس عامل الشكل والبصمة) — يختلف في Package, Operating Temperature, Core, Supply Voltage, Mounting Type.
MC9S12XEQ384CAG
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XEG384J2VAL
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XET512BMAGR
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XET512J2VAGR
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XET256J2VAG
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S9S12XF384J2MLMR
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XEQ384J3CALR الحدود القصوى والخصائص الكهربائية
| 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 |
| العلبة | 112-LQFP (20x20 mm) |
| نوع التركيب | Surface Mount |
| Terminal Form | GULL WING |
| No. of Terminals | 112 |
| درجة حرارة التشغيل | -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 |
| حالة RoHS | Compliant |
تكوين أطراف S912XEQ384J3CALR
| دبوس 1 | VDDR — Voltage regulator supply |
| دبوس 2 | VDD1 — Core logic supply |
| دبوس 3 | VSS1 — Ground reference |
| دبوس 4 | VDD2 — I/O supply |
| دبوس 5 | VSS2 — Ground reference |
| دبوس 6 | RESET — External reset input (active low) |
| دبوس 7 | MODC — Mode select for BDM/normal |
| دبوس 8 | PAD0 — Port AD bit 0 / AN0 |
| دبوس 9 | PAD1 — Port AD bit 1 / AN1 |
| دبوس 10 | PAD2 — Port AD bit 2 / AN2 |
| دبوس 11 | PAD3 — Port AD bit 3 / AN3 |
| دبوس 12 | PAD4 — Port AD bit 4 / AN4 |
| دبوس 13 | PAD5 — Port AD bit 5 / AN5 |
| دبوس 14 | PAD6 — Port AD bit 6 / AN6 |
| دبوس 15 | PAD7 — Port AD bit 7 / AN7 |
| دبوس 16 | PAD8 — Port AD bit 8 / AN8 |
| دبوس 17 | PAD9 — Port AD bit 9 / AN9 |
| دبوس 18 | PAD10 — Port AD bit 10 / AN10 |
| دبوس 19 | PAD11 — Port AD bit 11 / AN11 |
| دبوس 20 | PAD12 — Port AD bit 12 / AN12 |
| دبوس 21 | PAD13 — Port AD bit 13 / AN13 |
| دبوس 22 | PAD14 — Port AD bit 14 / AN14 |
| دبوس 23 | PAD15 — Port AD bit 15 / AN15 |
| دبوس 24 | PAD16 — Port AD bit 16 / AN16 |
| دبوس 25 | PAD17 — Port AD bit 17 / AN17 |
| دبوس 26 | PAD18 — Port AD bit 18 / AN18 |
| دبوس 27 | PAD19 — Port AD bit 19 / AN19 |
| دبوس 28 | PAD20 — Port AD bit 20 / AN20 |
| دبوس 29 | PAD21 — Port AD bit 21 / AN21 |
| دبوس 30 | PAD22 — Port AD bit 22 / AN22 |
| دبوس 31 | PAD23 — Port AD bit 23 / AN23 |
| دبوس 32 | VDD3 — I/O supply |
| دبوس 33 | VSS3 — Ground reference |
| دبوس 34 | PA0 — Port A bit 0 |
| دبوس 35 | PA1 — Port A bit 1 |
| دبوس 36 | PA2 — Port A bit 2 |
| دبوس 37 | PA3 — Port A bit 3 |
| دبوس 38 | PA4 — Port A bit 4 |
| دبوس 39 | PA5 — Port A bit 5 |
| دبوس 40 | PA6 — Port A bit 6 |
| دبوس 41 | PA7 — Port A bit 7 |
| دبوس 42 | PB0 — Port B bit 0 |
| دبوس 43 | PB1 — Port B bit 1 |
| دبوس 44 | PB2 — Port B bit 2 |
| دبوس 45 | PB3 — Port B bit 3 |
| دبوس 46 | PB4 — Port B bit 4 |
| دبوس 47 | PB5 — Port B bit 5 |
| دبوس 48 | PB6 — Port B bit 6 |
| دبوس 49 | PB7 — Port B bit 7 |
| دبوس 50 | PC0 — Port C bit 0 |
| دبوس 51 | PC1 — Port C bit 1 |
| دبوس 52 | PC2 — Port C bit 2 |
| دبوس 53 | PC3 — Port C bit 3 |
| دبوس 54 | PC4 — Port C bit 4 |
| دبوس 55 | PC5 — Port C bit 5 |
| دبوس 56 | PC6 — Port C bit 6 |
| دبوس 57 | PC7 — Port C bit 7 |
| دبوس 58 | PE0 — Port E bit 0 / XIRQ |
| دبوس 59 | PE1 — Port E bit 1 / IRQ |
| دبوس 60 | PE2 — Port E bit 2 |
| دبوس 61 | PE3 — Port E bit 3 |
| دبوس 62 | PE4 — Port E bit 4 |
| دبوس 63 | PE5 — Port E bit 5 |
| دبوس 64 | PE6 — Port E bit 6 |
| دبوس 65 | PE7 — Port E bit 7 |
| دبوس 66 | PF0 — Port F bit 0 |
| دبوس 67 | PF1 — Port F bit 1 |
| دبوس 68 | PF2 — Port F bit 2 |
| دبوس 69 | PF3 — Port F bit 3 |
| دبوس 70 | PF4 — Port F bit 4 |
| دبوس 71 | PF5 — Port F bit 5 |
| دبوس 72 | PF6 — Port F bit 6 |
| دبوس 73 | PF7 — Port F bit 7 |
| دبوس 74 | PG0 — Port G bit 0 |
| دبوس 75 | PG1 — Port G bit 1 |
| دبوس 76 | PG2 — Port G bit 2 |
| دبوس 77 | PG3 — Port G bit 3 |
| دبوس 78 | PG4 — Port G bit 4 |
| دبوس 79 | PG5 — Port G bit 5 |
| دبوس 80 | PG6 — Port G bit 6 |
| دبوس 81 | PG7 — Port G bit 7 |
| دبوس 82 | PH0 — Port H bit 0 |
| دبوس 83 | PH1 — Port H bit 1 |
| دبوس 84 | PH2 — Port H bit 2 |
| دبوس 85 | PH3 — Port H bit 3 |
| دبوس 86 | PH4 — Port H bit 4 |
| دبوس 87 | PH5 — Port H bit 5 |
| دبوس 88 | PH6 — Port H bit 6 |
| دبوس 89 | PH7 — Port H bit 7 |
| دبوس 90 | PJ0 — Port J bit 0 |
| دبوس 91 | PJ1 — Port J bit 1 |
| دبوس 92 | PJ2 — Port J bit 2 |
| دبوس 93 | PJ3 — Port J bit 3 |
| دبوس 94 | PJ4 — Port J bit 4 |
| دبوس 95 | PJ5 — Port J bit 5 |
| دبوس 96 | PJ6 — Port J bit 6 |
| دبوس 97 | PJ7 — Port J bit 7 |
| دبوس 98 | BKGD — Background Debug Mode interface |
| دبوس 99 | TCLK — Timer clock input |
| دبوس 100 | XCLKS — Crystal oscillator mode select |
| دبوس 101 | XTAL — Crystal oscillator output |
| دبوس 102 | EXTAL — Crystal oscillator input |
| دبوس 103 | VDDPLL — PLL supply |
| دبوس 104 | VSSPLL — PLL ground |
| دبوس 105 | VDD4 — I/O supply |
| دبوس 106 | VSS4 — Ground reference |
| دبوس 107 | CAN0TX — CAN0 transmit |
| دبوس 108 | CAN0RX — CAN0 receive |
| دبوس 109 | CAN1TX — CAN1 transmit |
| دبوس 110 | CAN1RX — CAN1 receive |
| دبوس 111 | NC — Not connected (per datasheet) |
| دبوس 112 | VSS5 — Ground reference |
التطبيقات النموذجية
S912XEQ384J3CALR مناسب لـ 6 التطبيقs: 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 S912XEQ384J3CALR 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.
موصى به
Instrument Cluster Peripherals
The S912XEQ384J3CALR 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.
موصى به
Industrial PLC Node Controller
The S912XEQ384J3CALR 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.
موصى به
HVAC Climate Control Module
The S912XEQ384J3CALR 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.
موصى به
Battery Management Slave Module
The S912XEQ384J3CALR 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.
موصى به
Motor Control Peripheral Board
The S912XEQ384J3CALR 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.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ S912XEQ384J3CALR — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | 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) |
أبرز الفروقات
- Largest flash in the J3CAL mask set with XGATE offload engine (مقابلS912XET256J2VAG)
- Industrial temperature grade matched to cabinet-mounted applications (مقابلS912XEG384J2VAL)
- Identical silicon and peripherals under the legacy Freescale prefix (مقابلMC9S12XEQ384CAG)
- 50 MHz deterministic interrupt response with hardware-envelope EEPROM (مقابلS912XET512BMAGR)
ملاحظات التصميم
The S912XEQ384J3CALR 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.
معلومات الامتثال
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.
