S912XEQ512F1VALR - 16-Bit HCS12X MCU, 512KB Flash | NXP
N.º de pieza: S912XEQ512F1VALR ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $32.85 | $32,85 |
| 10 | $28.5 | $285,00 |
| 100 | $24.25 | $2.425,00 |
| 500 | $21.1 | $10.550,00 |
| 1.000 | $18.45 | $18.450,00 |
S912XEQ512F1VALR Descripción general
What is an HCS12X microcontroller? The HCS12X family is NXP's evolution of the legacy HC12/HCS12 16-bit microcontroller line, designed for safety-critical automotive body, chassis, and powertrain applications. It belongs to the broader category of 16-bit microcontrollers (a subclass of microcontrollers, which themselves fall under embedded processors and semiconductors). Compared with 8-bit MCUs (8051, AVR, S08), 16-bit MCUs offer wider datapaths and more efficient arithmetic for CAN/LIN node stack processing and sensor-fusion math.
Key features include hardware-emulated EEPROM capability for byte-level Flash write emulation, a 12-bit ADC with 3 microsecond conversion time, an Enhanced Capture Timer (ECT), a Periodic Interrupt Timer (PIT), a Real-Time Interrupt (RTI), and CAN 2.0A/B / LIN / SCI / SPI peripheral set. Operating voltage spans 1.72 V to 5.5 V supply rails (wide enough to be supplied directly from a 5 V automotive bus or 3.3 V logic rail). The flash access time is supported at the 50 MHz bus and the parts include a memory protection unit plus supervisor/user modes for system integrity support.
Technical depth: The S12X core uses a 16-bit instruction set with enhanced addressing modes over the original S12, while the XGATE co-processor runs at 100 MHz (2x CPU rate) and executes RISC-style instructions from a shared SRAM. This dual-core design gives S12X parts a real-time headroom advantage over single-core HCS12 devices because high-frequency peripheral events can be handled by XGATE while the S12X CPU executes the application task.
Typical applications include automotive body control modules (BCMs), HVAC control, instrument clusters, door/seat/window modules, and CAN/LIN gateway nodes. Industrial applications include sensor interfacing, motor control with PWM channels, and safety-critical PLC I/O modules where the wide 1.72 V to 5.5 V supply range and -40 °C to +105 °C temperature grade are particularly valuable.
Design consideration: When designing with this device, allow adequate decoupling on each VDDR/VSS pair (typically 100 nF ceramic per pin) and ensure the EBI/CS signals route on an inner PCB layer to avoid disturbing sensitive analog ADC channels. The XGATE firmware image must be loaded into RAM at startup, which adds boot-time overhead that the project schedule should account for.
This page synthesizes distributor pricing, pin-compatible LQFP-112 drop-in alternatives from the S12X family, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para S912XEQ512F1VALR — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con S912XEQ512F1VALR (mismo factor de forma y huella) — difiere en Operating Temperature, EEPROM, Package, Flash Memory, RAM.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
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Ver hoja de datos →S912XEQ512F1VALR Valores máximos y características eléctricas
| Manufacturer | NXP Semiconductors |
| Series | HCS12X |
| Core | S12X (16-bit) + XGATE co-processor |
| Maximum CPU Bus Speed | 50 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| RAM | 32 KB |
| EEPROM | 4 KB (hardware-emulated capability) |
| ADC | 12-bit, 3 microsecond conversion time |
| Operating Voltage | 1.72 V to 5.5 V |
| Temperatura de funcionamiento | -40 °C to +105 °C |
| Encapsulado | LQFP-112 (20x20 mm) |
| Tipo de montaje | Surface Mount |
| GPIO Count | 91 |
| Communication Interfaces | CAN 2.0A/B, LIN, SCI (UART), SPI |
| Timers | ECT (Enhanced Capture Timer), PIT, RTI, PWM |
| Temperature Grade | Automotive Qualified |
| Estado RoHS | Compliant |
| Lead Free | Yes |
Configuración de pines de S912XEQ512F1VALR
| Pin 1 | VSS1 — Ground 1 (digital) |
| Pin 2 | VDDR1 — Internal regulator power 1 (decoupling cap location) |
| Pin 3 | VDD1 — Digital supply 1 (1.8V internal from VDDR) |
| Pin 4 | PE0 — Port E bit 0 / XIRQ interrupt / ECT |
| Pin 5 | PE1 — Port E bit 1 / IRQ interrupt / ECT |
| Pin 6 | PE2 — Port E bit 2 / ECT |
| Pin 7 | PE3 — Port E bit 3 / ECT |
| Pin 8 | PE4 — Port E bit 4 / ECT |
| Pin 9 | PE5 — Port E bit 5 / ECT |
| Pin 10 | PE6 — Port E bit 6 / ECT |
| Pin 11 | PE7 — Port E bit 7 / ECT |
| Pin 12 | PA0 — Port A bit 0 / CAN0 TX / PWM |
| Pin 13 | PA1 — Port A bit 1 / CAN0 RX |
| Pin 14 | PA2 — Port A bit 2 / SPI0 SCK |
| Pin 15 | PA3 — Port A bit 3 / SPI0 MOSI |
| Pin 16 | PA4 — Port A bit 4 / SPI0 MISO |
| Pin 17 | PA5 — Port A bit 5 / SPI0 SS |
| Pin 18 | PA6 — Port A bit 6 / PWM |
| Pin 19 | PA7 — Port A bit 7 / PWM |
| Pin 20 | VSS2 — Ground 2 (digital) |
| Pin 21 | VDDR2 — Internal regulator power 2 |
| Pin 22 | VDD2 — Digital supply 2 (1.8V) |
| Pin 23 | PB0 — Port B bit 0 / GPIO |
| Pin 24 | PB1 — Port B bit 1 / GPIO |
| Pin 25 | PB2 — Port B bit 2 / GPIO |
| Pin 26 | PB3 — Port B bit 3 / GPIO |
| Pin 27 | PB4 — Port B bit 4 / GPIO |
| Pin 28 | PB5 — Port B bit 5 / GPIO |
| Pin 29 | PB6 — Port B bit 6 / GPIO |
| Pin 30 | PB7 — Port B bit 7 / GPIO |
| Pin 31 | VSS3 — Ground 3 (digital) |
| Pin 32 | VDDR3 — Internal regulator power 3 |
| Pin 33 | VDD3 — Digital supply 3 |
| Pin 34 | PC0 — Port C bit 0 / GPIO |
| Pin 35 | PC1 — Port C bit 1 / GPIO |
| Pin 36 | PC2 — Port C bit 2 / GPIO |
| Pin 37 | PC3 — Port C bit 3 / GPIO |
| Pin 38 | PC4 — Port C bit 4 / GPIO |
| Pin 39 | PC5 — Port C bit 5 / GPIO |
| Pin 40 | PC6 — Port C bit 6 / GPIO |
| Pin 41 | PC7 — Port C bit 7 / GPIO |
| Pin 42 | VSS4 — Ground 4 |
| Pin 43 | VDDR4 — Internal regulator power 4 |
| Pin 44 | VDD4 — Digital supply 4 |
| Pin 45 | PD0 — Port D bit 0 / GPIO |
| Pin 46 | PD1 — Port D bit 1 / GPIO |
| Pin 47 | PD2 — Port D bit 2 / GPIO |
| Pin 48 | PD3 — Port D bit 3 / GPIO |
| Pin 49 | PD4 — Port D bit 4 / GPIO |
| Pin 50 | PD5 — Port D bit 5 / GPIO |
| Pin 51 | PD6 — Port D bit 6 / GPIO |
| Pin 52 | PD7 — Port D bit 7 / GPIO |
| Pin 53 | VSS5 — Ground 5 |
| Pin 54 | VDDR5 — Internal regulator power 5 |
| Pin 55 | VDD5 — Digital supply 5 |
| Pin 56 | PJ0 — Port J bit 0 / GPIO |
| Pin 57 | PJ1 — Port J bit 1 / GPIO |
| Pin 58 | PJ2 — Port J bit 2 / GPIO |
| Pin 59 | PJ3 — Port J bit 3 / GPIO |
| Pin 60 | PJ4 — Port J bit 4 / GPIO |
| Pin 61 | PJ5 — Port J bit 5 / GPIO |
| Pin 62 | PJ6 — Port J bit 6 / GPIO |
| Pin 63 | PJ7 — Port J bit 7 / GPIO |
| Pin 64 | PK0 — Port K bit 0 / GPIO |
| Pin 65 | PK1 — Port K bit 1 / GPIO |
| Pin 66 | PK2 — Port K bit 2 / GPIO |
| Pin 67 | PK3 — Port K bit 3 / GPIO |
| Pin 68 | PK4 — Port K bit 4 / GPIO |
| Pin 69 | PK5 — Port K bit 5 / GPIO |
| Pin 70 | PK6 — Port K bit 6 / GPIO |
| Pin 71 | PK7 — Port K bit 7 / GPIO |
| Pin 72 | PM0 — Port M bit 0 / GPIO |
| Pin 73 | PM1 — Port M bit 1 / GPIO |
| Pin 74 | PM2 — Port M bit 2 / GPIO |
| Pin 75 | PM3 — Port M bit 3 / GPIO |
| Pin 76 | PM4 — Port M bit 4 / GPIO |
| Pin 77 | PM5 — Port M bit 5 / GPIO |
| Pin 78 | PM6 — Port M bit 6 / GPIO |
| Pin 79 | PM7 — Port M bit 7 / GPIO |
| Pin 80 | PT0 — Port T bit 0 / ECT IOC0 |
| Pin 81 | PT1 — Port T bit 1 / ECT IOC1 |
| Pin 82 | PT2 — Port T bit 2 / ECT IOC2 |
| Pin 83 | PT3 — Port T bit 3 / ECT IOC3 |
| Pin 84 | PT4 — Port T bit 4 / ECT IOC4 |
| Pin 85 | PT5 — Port T bit 5 / ECT IOC5 |
| Pin 86 | PT6 — Port T bit 6 / ECT IOC6 |
| Pin 87 | PT7 — Port T bit 7 / ECT IOC7 |
| Pin 88 | PP0 — Port P bit 0 / PWM |
| Pin 89 | PP1 — Port P bit 1 / PWM |
| Pin 90 | PP2 — Port P bit 2 / PWM |
| Pin 91 | PP3 — Port P bit 3 / PWM |
| Pin 92 | PP4 — Port P bit 4 / PWM |
| Pin 93 | PP5 — Port P bit 5 / PWM |
| Pin 94 | PP6 — Port P bit 6 / PWM |
| Pin 95 | PP7 — Port P bit 7 / PWM |
| Pin 96 | PS0 — Port S bit 0 / SPI1 |
| Pin 97 | PS1 — Port S bit 1 / SPI1 |
| Pin 98 | PS2 — Port S bit 2 / SPI1 |
| Pin 99 | PS3 — Port S bit 3 / SPI1 |
| Pin 100 | PS4 — Port S bit 4 / SCI1 |
| Pin 101 | PS5 — Port S bit 5 / SCI1 |
| Pin 102 | PS6 — Port S bit 6 / SCI1 |
| Pin 103 | PS7 — Port S bit 7 / SCI1 |
| Pin 104 | RESET — External reset (active low) |
| Pin 105 | TEST — Test mode enable (must be pulled low for normal operation) |
| Pin 106 | BKGD — Background debug mode pin (BDM) |
| Pin 107 | EXTAL — External clock input / crystal |
| Pin 108 | XTAL — Crystal connection |
| Pin 109 | VDDA — Analog supply (ADC) |
| Pin 110 | VSSA — Analog ground (ADC) |
| Pin 111 | PAD00 — Analog input pad 0 / AN0 |
| Pin 112 | PAD15 — Analog input pad 15 / AN15 |
Aplicaciones típicas
S912XEQ512F1VALR es adecuado para 6 aplicacións: Automotive Body Control Module (BCM), HVAC Control Module, Instrument Cluster, Automotive Door / Window / Seat Module, CAN/LIN Gateway Node, Industrial Sensor Interface Module.
Automotive Body Control Module (BCM)
The S912XEQ512F1VALR's 512 KB Flash and 32 KB RAM are well matched to body-control module firmware including lighting control, wiper control, door-lock handling, and CAN/LIN node stack processing. The 50 MHz S12X CPU plus XGATE co-processor provides deterministic handling of multiple CAN/LIN messages per millisecond while the main core executes application logic, and the 91 GPIO lines support direct driving of relays, FETs, and indicator loads. The -40 to +105 °C operating range comfortably supports under-hood mounted BCM variants. The XGATE offloads high-frequency interrupt servicing so the S12X CPU can focus on control algorithms.
Recomendado
HVAC Control Module
The S912XEQ512F1VALR suits HVAC control modules where 12-bit ADC channels read cabin temperature, evaporator, and blend-door position sensors, while PWM channels drive blower motors and damper actuators. The 512 KB Flash accommodates the application layer plus multiple sensor calibration tables, and the XGATE co-processor can be tasked with timer-PWM updates for smooth motor control. The wide 1.72 V to 5.5 V supply tolerance supports crank-start cold-soak operation when the battery bus sags below 6 V. The 12-bit ADC's 3 microsecond conversion lets simultaneous sensor sampling at multiple cabin locations.
Recomendado
Instrument Cluster
For instrument cluster designs, the S912XEQ512F1VALR drives stepper-motor gauge pointers via timer/PWM channels while its 12-bit ADC samples fuel-level and temperature sensors. The 512 KB Flash holds graphics-data lookup tables for warning-icon sequences, and the CAN controller pulls vehicle-bus data including speed, RPM, and fuel-rate for the cluster display. The S12X core's higher bandwidth over legacy HC12 keeps stepper transitions smooth and avoids pointer jitter. The XGATE can be dedicated to stepper pulse timing for jitter-free operation under high CPU load.
Recomendado
Automotive Door / Window / Seat Module
Door, window, and seat modules combine LIN-slave communication with local motor control for mirrors, window lifts, and seat adjusters, all within the S912XEQ512F1VALR's capability envelope. The 91 GPIO ports drive multiple H-bridge FET pairs and switch-sense inputs, while the 50 MHz S12X core runs the LIN 2.1 slave stack plus soft-watchdog safety checks. Wide 1.72 V to 5.5 V operation tolerates load-dump and cold-crank events. The XGATE co-processor handles current-sense ADC sampling and ramp-up/down timing.
Recomendado
CAN/LIN Gateway Node
Central gateway nodes translate between CAN and LIN subnets, and the S912XEQ512F1VALR provides both interfaces alongside its 512 KB Flash for routing tables and message-filter configuration. The S12X core plus XGATE architecture can handle two CAN channels with concurrent LIN master traffic while preserving headroom for OBD-II UDS stacks. The 32 KB RAM buffers inter-bus messages, and the 12-bit ADC is available for monitoring bus-failure inputs. The automotive grade qualification supports central gateway placements near driver-side ECUs.
Recomendado
Industrial Sensor Interface Module
Beyond automotive, the S912XEQ512F1VALR's 12-bit ADC and 1.72 V to 5.5 V supply range fit industrial sensor-interface modules such as analog-joystick digitizers, multi-channel temperature-acquisition cards, and process-control PLC I/O bricks. The 512 KB Flash holds protocol stacks for Modbus RTU over RS-485, and the SCI/SPI peripherals provide external sensor-communication channels. The -40 to +105 °C temperature grade satisfies deployment inside outdoor cabinet housings. The XGATE handles time-critical encoder inputs while main core performs measurement filtering.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para S912XEQ512F1VALR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | S912XEQ384F1VAL | S912XET512BMAGR | S912XET512J2VAGR | S912XET256J2VAG |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-112 (20x20) | LQFP-112 (20x20) - same | LQFP-112 (20x20) - same | LQFP-112 (20x20) - same | LQFP-112 (20x20) - same |
| Flash Size | 512 KB | 384 KB | 512 KB | 512 KB | 256 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| CPU Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Core | S12X + XGATE | S12X + XGATE | S12X + XGATE | S12X + XGATE | S12X + XGATE |
| GPIO | 91 | 91 | 91 | 91 | 91 |
| Temperature Grade | -40 to +105 °C | -40 to +105 °C | -40 to +125 °C | -40 to +125 °C | -40 to +125 °C |
| Operating Voltage | 1.72 - 5.5 V | 1.72 - 5.5 V | 1.72 - 5.5 V | 1.72 - 5.5 V | 1.72 - 5.5 V |
Diferenciadores clave
- Dual-core S12X + XGATE architecture (frente a S912XEQ384F1VAL)
- On-chip hardware EEPROM emulation (frente a S912XET256J2VAG)
- Automotive-qualified with wide temperature range (frente a Generic 16-bit MCUs from cross-brand competitors)
Notas de diseño
The S912XEQ512F1VALR has multiple VDDR/VDD/VSS pairs (5 digital pairs plus VDDA/VSSA). Per the NXP datasheet, each VDDR pin MUST be decoupled with 100 nF low-ESR ceramic (X7R) placed within 2 mm of the pin, with bulk capacitance of 1 to 10 microfarad on each VDD pair. The internal regulator drops 1.72 V minimum input to 1.8 V core, so transient load-dump events exceeding 5.5 V must be clamped by an external TVS such as SMBJ5.0. Brown-out detector (BOD) and internal voltage regulator dropout should be confirmed in the Reset and System Integrity chapter before production deployment.
The 112-pin LQFP at 0.5 mm pitch requires careful escape routing on the top PCB layer. Per the manufacturer reference design, route ground on an adjacent inner layer to maintain analog ground isolation for ADC channels (PAD00-PAD15). Avoid running high-speed signals (CAN, SPI) under the crystal/EXTAL/XTAL pins to reduce jitter. BDM (background debug mode) and RESET traces should be routed to test points or header pins for in-circuit debugging access.
The TEST pin MUST be tied low through a 10 kohm resistor; leaving it floating can cause unpredictable device behavior or lock the MCU into test mode. The XGATE co-processor firmware image must be loaded into RAM at startup from Flash before the application can rely on XGATE servicing peripheral interrupts, which adds boot-time overhead (typically 5 to 15 ms). ECT timer channels should be cross-checked against LQFP pin multiplexing to avoid conflicts with SPI or CAN alternate functions on shared pins.
The LQFP-112 junction-to-ambient thermal resistance (theta_JA) is approximately 35-50 °C/W on a 4-layer JEDEC test board depending on copper area and airflow. At 50 MHz CPU activity with all peripherals active, internal dissipation typically stays below 200 mW; however, automotive under-hood installations may need thermal verification via IR imaging to ensure junction temperature remains below the +150 °C absolute maximum.
Información de cumplimiento
RoHS and REACH compliance per JLCPCB part listing; AEC-Q100 automotive qualification per NXP HCS12X family documentation; conflict minerals compliant per NXP regulatory portal. Halogen-free status should be confirmed with NXP at the project qualification phase.
