S912XEQ384J3CALR - 16-bit 384KB Flash MCU, 112-LQFP | NXP (Tape & Reel)
N.º da peça: S912XEQ384J3CALR ✓ Ativo| Qtd. | Preço unitário | 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 |
S912XEQ384J3CALR Visão geral
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.
Alternativas drop-in para S912XEQ384J3CALR — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com S912XEQ384J3CALR (mesmo formato e footprint) — diferindo em Package, Flash Memory, Operating Temperature, Co-Processor, Core.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12XEQ384CAG
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XEG384J2VAL
✅ Drop-In✓ Em estoque
$17.8 / unidade
Ver ficha técnica →S912XET512BMAGR
✅ Drop-In✓ Em estoque
$6.6 / unidade
Ver ficha técnica →S912XET512J2VAGR
✅ Drop-In✓ Em estoque
$1 / unidade
Ver ficha técnica →S912XET256J2VAG
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →S9S12XF384J2MLMR
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XEQ384J3CALR Classificações máximas e características elétricas
| 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 |
| Encapsulamento | 112-LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount |
| Terminal Form | GULL WING |
| No. of Terminals | 112 |
| Temperatura de operação | -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 |
| Status RoHS | Compliant |
Configuração de pinos do S912XEQ384J3CALR
| Pino 1 | VDDR — Voltage regulator supply |
| Pino 2 | VDD1 — Core logic supply |
| Pino 3 | VSS1 — Ground reference |
| Pino 4 | VDD2 — I/O supply |
| Pino 5 | VSS2 — Ground reference |
| Pino 6 | RESET — External reset input (active low) |
| Pino 7 | MODC — Mode select for BDM/normal |
| Pino 8 | PAD0 — Port AD bit 0 / AN0 |
| Pino 9 | PAD1 — Port AD bit 1 / AN1 |
| Pino 10 | PAD2 — Port AD bit 2 / AN2 |
| Pino 11 | PAD3 — Port AD bit 3 / AN3 |
| Pino 12 | PAD4 — Port AD bit 4 / AN4 |
| Pino 13 | PAD5 — Port AD bit 5 / AN5 |
| Pino 14 | PAD6 — Port AD bit 6 / AN6 |
| Pino 15 | PAD7 — Port AD bit 7 / AN7 |
| Pino 16 | PAD8 — Port AD bit 8 / AN8 |
| Pino 17 | PAD9 — Port AD bit 9 / AN9 |
| Pino 18 | PAD10 — Port AD bit 10 / AN10 |
| Pino 19 | PAD11 — Port AD bit 11 / AN11 |
| Pino 20 | PAD12 — Port AD bit 12 / AN12 |
| Pino 21 | PAD13 — Port AD bit 13 / AN13 |
| Pino 22 | PAD14 — Port AD bit 14 / AN14 |
| Pino 23 | PAD15 — Port AD bit 15 / AN15 |
| Pino 24 | PAD16 — Port AD bit 16 / AN16 |
| Pino 25 | PAD17 — Port AD bit 17 / AN17 |
| Pino 26 | PAD18 — Port AD bit 18 / AN18 |
| Pino 27 | PAD19 — Port AD bit 19 / AN19 |
| Pino 28 | PAD20 — Port AD bit 20 / AN20 |
| Pino 29 | PAD21 — Port AD bit 21 / AN21 |
| Pino 30 | PAD22 — Port AD bit 22 / AN22 |
| Pino 31 | PAD23 — Port AD bit 23 / AN23 |
| Pino 32 | VDD3 — I/O supply |
| Pino 33 | VSS3 — Ground reference |
| Pino 34 | PA0 — Port A bit 0 |
| Pino 35 | PA1 — Port A bit 1 |
| Pino 36 | PA2 — Port A bit 2 |
| Pino 37 | PA3 — Port A bit 3 |
| Pino 38 | PA4 — Port A bit 4 |
| Pino 39 | PA5 — Port A bit 5 |
| Pino 40 | PA6 — Port A bit 6 |
| Pino 41 | PA7 — Port A bit 7 |
| Pino 42 | PB0 — Port B bit 0 |
| Pino 43 | PB1 — Port B bit 1 |
| Pino 44 | PB2 — Port B bit 2 |
| Pino 45 | PB3 — Port B bit 3 |
| Pino 46 | PB4 — Port B bit 4 |
| Pino 47 | PB5 — Port B bit 5 |
| Pino 48 | PB6 — Port B bit 6 |
| Pino 49 | PB7 — Port B bit 7 |
| Pino 50 | PC0 — Port C bit 0 |
| Pino 51 | PC1 — Port C bit 1 |
| Pino 52 | PC2 — Port C bit 2 |
| Pino 53 | PC3 — Port C bit 3 |
| Pino 54 | PC4 — Port C bit 4 |
| Pino 55 | PC5 — Port C bit 5 |
| Pino 56 | PC6 — Port C bit 6 |
| Pino 57 | PC7 — Port C bit 7 |
| Pino 58 | PE0 — Port E bit 0 / XIRQ |
| Pino 59 | PE1 — Port E bit 1 / IRQ |
| Pino 60 | PE2 — Port E bit 2 |
| Pino 61 | PE3 — Port E bit 3 |
| Pino 62 | PE4 — Port E bit 4 |
| Pino 63 | PE5 — Port E bit 5 |
| Pino 64 | PE6 — Port E bit 6 |
| Pino 65 | PE7 — Port E bit 7 |
| Pino 66 | PF0 — Port F bit 0 |
| Pino 67 | PF1 — Port F bit 1 |
| Pino 68 | PF2 — Port F bit 2 |
| Pino 69 | PF3 — Port F bit 3 |
| Pino 70 | PF4 — Port F bit 4 |
| Pino 71 | PF5 — Port F bit 5 |
| Pino 72 | PF6 — Port F bit 6 |
| Pino 73 | PF7 — Port F bit 7 |
| Pino 74 | PG0 — Port G bit 0 |
| Pino 75 | PG1 — Port G bit 1 |
| Pino 76 | PG2 — Port G bit 2 |
| Pino 77 | PG3 — Port G bit 3 |
| Pino 78 | PG4 — Port G bit 4 |
| Pino 79 | PG5 — Port G bit 5 |
| Pino 80 | PG6 — Port G bit 6 |
| Pino 81 | PG7 — Port G bit 7 |
| Pino 82 | PH0 — Port H bit 0 |
| Pino 83 | PH1 — Port H bit 1 |
| Pino 84 | PH2 — Port H bit 2 |
| Pino 85 | PH3 — Port H bit 3 |
| Pino 86 | PH4 — Port H bit 4 |
| Pino 87 | PH5 — Port H bit 5 |
| Pino 88 | PH6 — Port H bit 6 |
| Pino 89 | PH7 — Port H bit 7 |
| Pino 90 | PJ0 — Port J bit 0 |
| Pino 91 | PJ1 — Port J bit 1 |
| Pino 92 | PJ2 — Port J bit 2 |
| Pino 93 | PJ3 — Port J bit 3 |
| Pino 94 | PJ4 — Port J bit 4 |
| Pino 95 | PJ5 — Port J bit 5 |
| Pino 96 | PJ6 — Port J bit 6 |
| Pino 97 | PJ7 — Port J bit 7 |
| Pino 98 | BKGD — Background Debug Mode interface |
| Pino 99 | TCLK — Timer clock input |
| Pino 100 | XCLKS — Crystal oscillator mode select |
| Pino 101 | XTAL — Crystal oscillator output |
| Pino 102 | EXTAL — Crystal oscillator input |
| Pino 103 | VDDPLL — PLL supply |
| Pino 104 | VSSPLL — PLL ground |
| Pino 105 | VDD4 — I/O supply |
| Pino 106 | VSS4 — Ground reference |
| Pino 107 | CAN0TX — CAN0 transmit |
| Pino 108 | CAN0RX — CAN0 receive |
| Pino 109 | CAN1TX — CAN1 transmit |
| Pino 110 | CAN1RX — CAN1 receive |
| Pino 111 | NC — Not connected (per datasheet) |
| Pino 112 | VSS5 — Ground reference |
Aplicações típicas
S912XEQ384J3CALR é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S912XEQ384J3CALR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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) |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
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.
