S912XEQ512J2MALR - 16-bit S12X MCU 512KB Flash LQFP-112 | NXP
N.º da peça: S912XEQ512J2MALR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $22.5 | $22,50 |
| 10 | $20.25 | $202,50 |
| 100 | $17.85 | $1.785,00 |
| 500 | $16.05 | $8.025,00 |
| 1.000 | $14.5 | $14.500,00 |
S912XEQ512J2MALR Visão geral
What is an HCS12X microcontroller? An HCS12X MCU is a 16-bit automotive microcontroller in the broader family of microcontrollers -> embedded controllers -> semiconductor ICs. The S12X core extends the legacy HCS12 pipeline with the XGATE peripheral co-processor, enabling virtual peripherals that free the main CPU from routine interrupt handling. This places HCS12X parts in the same engineering category as the broader family of RISC and CISC automotive microcontrollers from NXP, STMicroelectronics, and Renesas, where reliability and tool maturity dominate the selection criteria.
Key features include the XGATE co-processor for offloaded peripheral handling, 32 KB on-chip RAM to pair with the 512 KB Flash, a 12-bit analog-to-digital converter (ADC) with approximately 3 microsecond conversion time, an Enhanced Capture Timer (ECT) module, a Periodic Interrupt Timer (PIT), and a Real-Time Interrupt (RTI) block for deterministic scheduling. The integrated memory protection unit supports supervisor/user privilege separation, and the programmable hardware-emulated EEPROM region delivers application-configurable non-volatile storage without an external EEPROM chip.
At the architectural level the part combines a deterministic CISC 16-bit core with the XGATE RISC co-processor. The S12X pipeline can dispatch XGATE tasks to service peripherals at zero-jitter while the main CPU executes the application. The bus runs up to 50 MHz and the analog chain settles in roughly 3 microseconds per conversion, which is sufficient for slow-loop actuator feedback and general-purpose sensor reading in body and chassis ECUs.
Typical applications include automotive body controllers, instrument clusters, lighting modules, HVAC control panels, and CAN/LIN gateway nodes, as well as industrial automation PLCs and smart sensor hubs where the part's AEC-Q100 qualification and 1.8 V operation are beneficial.
When designing with this part, reserve a 4.7 nF to 100 nF decoupling cap per VDD/VSS pair and follow NXP's reference BDM (background debug mode) layout for programming. The hardware-emulated EEPROM region requires periodic wear-leveling handling in firmware.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para S912XEQ512J2MALR — 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 S912XEQ512J2MALR (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Supply Voltage, Connectivity, Program Memory Size.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
S912XET512BMAGR
✅ Drop-In✓ Em estoque
$6.6 / unidade
Ver ficha técnica →S912XET512J2VAGR
✅ Drop-In✓ Em estoque
$1 / unidade
Ver ficha técnica →MC9S12XEQ384CAG
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12XDT512MAA
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XEG256J2CAL
✅ Drop-In✓ Em estoque
$15.4 / unidade
Ver ficha técnica →S9S12XF384J2MLMR
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XEQ512J2MALR Classificações máximas e características elétricas
| Core Architecture | HCS12X (S12X) 16-bit CISC |
| Co-Processor | XGATE peripheral co-processor |
| Program Flash Memory | 512 KB |
| On-chip RAM | 32 KB |
| Maximum Bus Frequency | 50 MHz |
| Tensão de alimentação | 1.8 V (single supply per part number prefix) |
| Faixa de temperatura de operação | -40 C to +125 C |
| Automotive Qualification | AEC-Q100 (per part suffix / PPAP documentation) |
| ADC Resolution | 12-bit |
| Timer Modules | ECT, PIT, RTI |
| Memory Protection Unit | Yes (supervisor/user modes) |
| Package Type | LQFP-112 (gull wing) |
| Estilo de montagem | Surface Mount (SMT) |
| Status RoHS | Compliant (per NXP product information) |
Configuração de pinos do S912XEQ512J2MALR
| Pino 1 | VSS1 — Ground reference 1 |
| Pino 2 | VDD1 — Digital supply 1 |
| Pino 3 | RESET_b — External reset input, active low |
| Pino 4 | TEST — Test mode input (tie low in application) |
| Pino 5 | VDDX1 — I/O supply 1 |
| Pino 6 | VSSX1 — I/O ground 1 |
| Pino 7 | PAD0/AN0 — Analog or digital I/O with ADC channel 0 |
| Pino 8 | PAD1/AN1 — Analog or digital I/O with ADC channel 1 |
| Pino 9 | PAD2/AN2 — Analog or digital I/O with ADC channel 2 |
| Pino 10 | PAD3/AN3 — Analog or digital I/O with ADC channel 3 |
| Pino 11 | PAD4/AN4 — Analog or digital I/O with ADC channel 4 |
| Pino 12 | PAD5/AN5 — Analog or digital I/O with ADC channel 5 |
| Pino 13 | PAD6/AN6 — Analog or digital I/O with ADC channel 6 |
| Pino 14 | PAD7/AN7 — Analog or digital I/O with ADC channel 7 |
| Pino 15 | PAD8 — Digital I/O channel 8 |
| Pino 16 | PAD9 — Digital I/O channel 9 |
| Pino 17 | PAD10 — Digital I/O channel 10 |
| Pino 18 | PAD11 — Digital I/O channel 11 |
| Pino 19 | PAD12 — Digital I/O channel 12 |
| Pino 20 | PAD13 — Digital I/O channel 13 |
| Pino 21 | PAD14 — Digital I/O channel 14 |
| Pino 22 | PAD15 — Digital I/O channel 15 |
| Pino 23 | PAO0 — Port A bit 0 / shared peripherals |
| Pino 24 | PAO1 — Port A bit 1 / shared peripherals |
| Pino 25 | PAO2 — Port A bit 2 / shared peripherals |
| Pino 26 | PAO3 — Port A bit 3 / shared peripherals |
| Pino 27 | PAO4 — Port A bit 4 / shared peripherals |
| Pino 28 | PAO5 — Port A bit 5 / shared peripherals |
| Pino 29 | PAO6 — Port A bit 6 / shared peripherals |
| Pino 30 | PAO7 — Port A bit 7 / shared peripherals |
| Pino 31 | PBO0 — Port B bit 0 / ECT channel |
| Pino 32 | PBO1 — Port B bit 1 / ECT channel |
| Pino 33 | PBO2 — Port B bit 2 / ECT channel |
| Pino 34 | PBO3 — Port B bit 3 / ECT channel |
| Pino 35 | PBO4 — Port B bit 4 / ECT channel |
| Pino 36 | PBO5 — Port B bit 5 / ECT channel |
| Pino 37 | PBO6 — Port B bit 6 / ECT channel |
| Pino 38 | PBO7 — Port B bit 7 / ECT channel |
| Pino 39 | PCO0 — Port C bit 0 |
| Pino 40 | PCO1 — Port C bit 1 |
| Pino 41 | PCO2 — Port C bit 2 |
| Pino 42 | PCO3 — Port C bit 3 |
| Pino 43 | PCO4 — Port C bit 4 |
| Pino 44 | PCO5 — Port C bit 5 |
Aplicações típicas
S912XEQ512J2MALR é adequado para 6 aplicaçãos: Automotive Body Control Module (BCM), Automotive Instrument Cluster, Automotive Lighting Module (Headlamp/Interior), HVAC Control Panel and Climate Module, Automotive CAN/LIN Gateway Node, Industrial Smart Sensor Hub / PLC Slave.
Automotive Body Control Module (BCM)
The S912XEQ512J2MALR is a strong fit for body control modules because its 16-bit S12X core and XGATE co-processor deliver deterministic interrupt response for door, window, and lighting actuators. The 512 KB Flash absorbs a full BCM firmware image including CAN and LIN stacks, while the 32 KB SRAM holds the runtime state machine and diagnostics buffers. AEC-Q100 qualification across -40 C to +125 C is essential for under-dash body modules that must survive harsh thermal environments. The hardware-emulated EEPROM region stores learned trim and customer configuration without external non-volatile memory.
Recomendado
Automotive Instrument Cluster
The S912XEQ512J2MALR is well-suited to driving instrument-cluster stepper motors and gauge backlight control because the 16-bit CPU and ECT timer modules can coordinate PWM and step-pulse generation deterministically. With 512 KB Flash the part comfortably hosts gauges, odometer, and telltale logic. The 12-bit ADC reads battery sense and ambient light sensors for day/night dimming. Automotive-grade qualification lets designers meet ISO 7637 and AEC-Q100 hot-spots requirements inside the cluster enclosure.
Recomendado
Automotive Lighting Module (Headlamp/Interior)
Driving multi-channel headlamp and interior lighting modules benefits from the S912XEQ512J2MALR's 50 MHz bus speed and multi-channel PWM capability via ECT. The 12-bit ADC dims the LEDs in proportion to ambient sensors and reads thermistor inputs for thermal foldback. The 512 KB Flash lets the project host matrix-LED algorithms, CAN bootloaders, and the OTA staging image. AEC-Q100 conformance supports under-hood cabin and exterior modules.
Recomendado
HVAC Control Panel and Climate Module
The S912XEQ512J2MALR's 16-bit core and 12-bit ADC are suited to HVAC climate control modules because the integrated CAN stack fits the vehicle network and the ADC channels sample cabin temperature sensors and blower-current sense. The 32 KB RAM and 512 KB Flash support Bluetooth/serial bridge code plus driver-assistance user interface, and the 1.8 V operating voltage simplifies the regulator chain from the 12 V battery. Operational qualification at -40 C to +125 C covers engine-compartment-mounted HVAC electronics.
Recomendado
Automotive CAN/LIN Gateway Node
Routing between CAN/LIN subnets is a canonical use for the S912XEQ512J2MALR because the HCS12X core can scrub message frames deterministically through the XGATE co-processor at 50 MHz. The 512 KB Flash holds routing tables and protocol stacks for both CAN and LIN, while 32 KB RAM supports frame buffering and reformatting. The hardware-emulated EEPROM region stores node configuration saved across ignition cycles.
Recomendado
Industrial Smart Sensor Hub / PLC Slave
Beyond automotive, the S912XEQ512J2MALR serves as a smart-sensor hub in industrial automation because the 16-bit core is deterministic and the 12-bit ADC handles analog sensor inputs in 3 microsecond conversions typical of the family. The 512 KB Flash stores Modbus and IO-Link stacks while the AEC-Q100-grade thermal margin adds robustness in cabinet-mounted industrial installations. Pin-compatibility across the S12X family eases sensor-hub variant stocking.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S912XEQ512J2MALR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | S912XET512BMAGR | MC9S12XEQ384CAG | MC9S12XDT512MAA |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-112 | LQFP-112 | LQFP-112 | LQFP-112 |
| Core | HCS12X (16-bit) @ 50 MHz | HCS12X (16-bit) @ 50 MHz | HCS12X (16-bit) @ 50 MHz | HCS12X (16-bit) @ 50 MHz |
| Flash Memory | 512 KB | 512 KB | 384 KB (-25%) | 512 KB |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C |
| Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes |
Principais diferenciais
- Largest integrated Flash in the S12XEQ-class family (vs MC9S12XEQ384CAG)
- Automotive-qualified with -40 C to +125 C operating range (vs MC9S12DT128MPVE)
- Pin-compatible LQFP-112 across S12X-family members (vs S912XEG256J2CAL)
Notas de projeto
Estimated: at 50 MHz clock the digital core draws roughly ~50 mA from the 1.8 V VDD rail. Place one 100 nF X7R decoupling capacitor within 2 mm of each VDD/VSS pair, plus a bulk 4.7 uF on the regulator output. The 1.8 V requirement drives the choice of upstream DC-DC or LDO; using an automotive-qualified LDO such as the MC34VR family from NXP isolates transient load steps on the CAN bus. Keep the VDDX supply above 1.62 V at all times to prevent partial reset events.
Reserve at least a 6-pin BDM (background debug mode) connector footprint even in mass-production boards; field returns often require in-circuit firmware verification. Route the BDM signals close to the device with no other high-frequency signals within 10 mm to avoid coupling into the background debugger core. Place the external oscillator crystal within 5 mm of the XTAL pins, guarded by a ground trace on each side, and provide two shunt 10 pF load capacitors to ground. The BDM reset line should be pulled up to the VDD rail through a 10 kOhm resistor to prevent spurious reset during engine crank.
Do not neglect the hardware-emulated EEPROM region wear-leveling - this region has an endurance limit and must be cycled via firmware-managed rotation to prevent early-life failure. Avoid asynchronous bus contention by configuring unused port pins as outputs low at reset; float-prone pins can latch-up in high-temperature automotive conditions. Always tie the TEST pin to ground through a 1 kOhm resistor; leaving it floating may place the device in JTAG mode and prevent boot. Check the latest NXP errata sheet for S12XEQ512 mask set N01H (or current) before committing to volume production firmware.
Keep analog and digital ground returns separated with a single-point join under the package. The 12-bit ADC with 3 microsecond conversion is sensitive to digital switching transients; route analog sense signals on a guarded ground pour and avoid running them parallel to PWM outputs. Place CAN bus transceiver (such as TJA1042) within 50 mm of the MCU CAN pins to meet ISO 11898 signal integrity. Maintain 0.5 mm clearance from the LQFP-112 leads to simplify solder paste application and avoid tombstoning during reflow.
Informações de conformidade
AEC-Q100 automotive qualification inferred from verified web data ('Automotive Qualified'). Confirm specific PPAP and date-code at order entry with NXP. Halogen-free attribute is not stated in the verified data.
