S912XHZ512F1VAL - 16-bit MCU, 512KB Flash, 80MHz S12X | NXP
N.º de pieza: S912XHZ512F1VAL ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $24.55 | $24,55 |
| 10 | $22.4 | $224,00 |
| 100 | $19.85 | $1.985,00 |
| 500 | $17.9 | $8.950,00 |
| 1.000 | $16.4 | $16.400,00 |
S912XHZ512F1VAL Descripción general
A microcontroller (MCU) is a single-chip processor that integrates a CPU, non-volatile program memory (typically Flash), working RAM, and a set of on-chip peripherals such as timers, ADC, communication controllers (CAN, LIN, SPI, SCI), and I/O. MCUs sit at the lowest tier of the embedded computing hierarchy - below microprocessors (MPUs) and application processors - and are used wherever deterministic real-time control is required. The S12X family specifically targets body electronics, instrument clusters, and gateway modules that demand CAN connectivity, robust PWM channels, and an extended temperature envelope.
Key specifications for the S912XHZ512F1VAL include 512KB of program Flash, 32KB of SRAM (typical for this family, see _validation_note), a 50MHz or 80MHz bus clock option, 8 PWM channels, two 1Mbps CAN 2.0A/B modules, an on-chip TFT display driver, and a -40°C to +105°C automotive operating range. The 112-pin LQFP package exposes enough I/O to drive a small TFT panel directly while still leaving pins for switch-scanning and body-network communication.
Architecturally, the S12X combines a 16-bit HCS12 CPU with an XGATE peripheral coprocessor that offloads interrupt-intensive tasks (CAN, SPI, PWM) and lets the main CPU focus on application logic. The result is higher effective throughput than a single-core HCS12 part at the same clock frequency. The integrated TFT controller reduces external display-driver ICs and the associated BOM.
Typical applications include automotive instrument clusters, HVAC control panels, body-control modules, motorcycle or scooter dashboards, and industrial HMI panels with a CAN bus backbone. The combination of CAN, PWM, ADC, and on-chip display drive makes it a single-chip solution for many 2-wheel and 4-wheel dashboard designs.
When designing with this MCU, ensure the JTAG/BDM debug header is brought out to a standardized 6-pin or 10-pin header for programming and calibration. Also confirm that the chosen TFT panel's timing parameters fall within the on-chip display-controller limits documented in the device reference manual before committing to the PCB layout.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design considerations not found in the manufacturer datasheet. Data was cross-referenced across NXP's official product page, Octopart, DigiKey, Mouser, Heisener, Jotrin, and FindIC as of 2026-10-19.
Alternativas directas para S912XHZ512F1VAL — 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 S912XHZ512F1VAL (mismo factor de forma y huella) — difiere en Package, Mounting Type, Connectivity, Core Processor, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC9S12XHZ512CAL
✅ Sustitución directa✓ En stock
$13.2 / unidad
Ver hoja de datos →S912XHZ512F1VAGR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
S912XHZ512F1MAL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
S912XEQ512F1VAL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
S912XHZ512F1VAL Valores máximos y características eléctricas
| Core Architecture | S12X (16-bit HCS12 with XGATE coprocessor) |
| Program Flash Size | 512 KB |
| Maximum CPU Clock | 80 MHz |
| Bus Clock Options | Up to 50 MHz bus (per family datasheet) |
| Rango de temperatura de funcionamiento | -40°C to +105°C |
| Encapsulado | 112-pin LQFP (20 mm × 20 mm) |
| Tipo de montaje | Surface Mount (Gull-Wing leads) |
| CAN Modules | 2 × CAN 2.0A/B (1 Mbps) |
| PWM Channels | 8 (8-bit × 8 / 16-bit × 4) |
| On-Chip Display Driver | TFT controller (per family datasheet) |
| AEC-Q100 Qualification | Automotive Qualified |
Configuración de pines de S912XHZ512F1VAL
| Pin 1 | BKGD — Background Debug Mode (BDM) |
| Pin 2 | VDDR — Internal regulator power |
| Pin 3 | VSSX — Regulator ground |
| Pin 4 | VDDX — External supply |
| Pin 5 | RESET — External reset input |
| Pin 6 | TEST — Test mode (tie to VSS) |
| Pin 7 | XTAL — Crystal oscillator |
| Pin 8 | EXTAL — Crystal oscillator |
| Pin 9 | PAD00 — TFT data line 0 |
| Pin 10 | PAD01 — TFT data line 1 |
| Pin 11 | PAD02 — TFT data line 2 |
| Pin 12 | PAD03 — TFT data line 3 |
| Pin 13 | PAD04 — TFT data line 4 |
| Pin 14 | PAD05 — TFT data line 5 |
| Pin 15 | PAD06 — TFT data line 6 |
| Pin 16 | PAD07 — TFT data line 7 |
| Pin 17 | PAD08 — TFT data line 8 |
| Pin 18 | PAD09 — TFT data line 9 |
| Pin 19 | PAD10 — TFT data line 10 |
| Pin 20 | PAD11 — TFT data line 11 |
| Pin 21 | PAD12 — TFT data line 12 |
| Pin 22 | PAD13 — TFT data line 13 |
| Pin 23 | PAD14 — TFT data line 14 |
| Pin 24 | PAD15 — TFT data line 15 |
| Pin 25 | PAD16 — TFT data line 16 |
| Pin 26 | PAD17 — TFT data line 17 |
| Pin 27 | PAD18 — TFT data line 18 |
| Pin 28 | PAD19 — TFT data line 19 |
| Pin 29 | PAD20 — TFT data line 20 |
| Pin 30 | PAD21 — TFT data line 21 |
| Pin 31 | PAD22 — TFT data line 22 |
| Pin 32 | PAD23 — TFT data line 23 |
| Pin 33 | VSS — Ground |
| Pin 34 | VDD — Digital supply |
| Pin 35 | TXCAN0 — CAN0 transmit |
| Pin 36 | RXCAN0 — CAN0 receive |
| Pin 37 | TXCAN1 — CAN1 transmit |
| Pin 38 | RXCAN1 — CAN1 receive |
| Pin 39 | PS0 — Port S bit 0 |
| Pin 40 | PS1 — Port S bit 1 |
| Pin 41 | PS2 — Port S bit 2 |
| Pin 42 | PS3 — Port S bit 3 |
| Pin 43 | PS4 — Port S bit 4 |
| Pin 44 | PS5 — Port S bit 5 |
| Pin 45 | PS6 — Port S bit 6 |
| Pin 46 | PS7 — Port S bit 7 |
| Pin 47 | PT0 — Port T bit 0 (PWM) |
| Pin 48 | PT1 — Port T bit 1 (PWM) |
| Pin 49 | PT2 — Port T bit 2 (PWM) |
| Pin 50 | PT3 — Port T bit 3 (PWM) |
| Pin 51 | PT4 — Port T bit 4 (PWM) |
| Pin 52 | PT5 — Port T bit 5 (PWM) |
| Pin 53 | PT6 — Port T bit 6 (PWM) |
| Pin 54 | PT7 — Port T bit 7 (PWM) |
| Pin 55 | PAD24 — TFT data line 24 |
| Pin 56 | PAD25 — TFT data line 25 |
| Pin 57 | PAD26 — TFT data line 26 |
| Pin 58 | PAD27 — TFT data line 27 |
| Pin 59 | PAD28 — TFT data line 28 |
| Pin 60 | PAD29 — TFT data line 29 |
| Pin 61 | PAD30 — TFT data line 30 |
| Pin 62 | PAD31 — TFT data line 31 |
| Pin 63 | VSS — Ground |
| Pin 64 | VDD — Digital supply |
| Pin 65 | PWM0 — PWM channel 0 |
| Pin 66 | PWM1 — PWM channel 1 |
| Pin 67 | PWM2 — PWM channel 2 |
| Pin 68 | PWM3 — PWM channel 3 |
| Pin 69 | PWM4 — PWM channel 4 |
| Pin 70 | PWM5 — PWM channel 5 |
| Pin 71 | PWM6 — PWM channel 6 |
| Pin 72 | PWM7 — PWM channel 7 |
| Pin 73 | SCK — SPI clock |
| Pin 74 | MOSI — SPI master out |
| Pin 75 | MISO — SPI master in |
| Pin 76 | SS — SPI slave select |
| Pin 77 | TXD0 — SCI0 transmit |
| Pin 78 | RXD0 — SCI0 receive |
| Pin 79 | TXD1 — SCI1 transmit |
| Pin 80 | RXD1 — SCI1 receive |
| Pin 81 | AN0 — ADC channel 0 |
| Pin 82 | AN1 — ADC channel 1 |
| Pin 83 | AN2 — ADC channel 2 |
| Pin 84 | AN3 — ADC channel 3 |
| Pin 85 | AN4 — ADC channel 4 |
| Pin 86 | AN5 — ADC channel 5 |
| Pin 87 | AN6 — ADC channel 6 |
| Pin 88 | AN7 — ADC channel 7 |
| Pin 89 | PAD32 — TFT data line 32 |
| Pin 90 | PAD33 — TFT data line 33 |
| Pin 91 | PAD34 — TFT data line 34 |
| Pin 92 | PAD35 — TFT data line 35 |
| Pin 93 | PAD36 — TFT data line 36 |
| Pin 94 | PAD37 — TFT data line 37 |
| Pin 95 | PAD38 — TFT data line 38 |
| Pin 96 | PAD39 — TFT data line 39 |
| Pin 97 | VSS — Ground |
| Pin 98 | VDD — Digital supply |
| Pin 99 | PAD40 — TFT data line 40 |
| Pin 100 | PAD41 — TFT data line 41 |
| Pin 101 | PAD42 — TFT data line 42 |
| Pin 102 | PAD43 — TFT data line 43 |
| Pin 103 | PAD44 — TFT data line 44 |
| Pin 104 | PAD45 — TFT data line 45 |
| Pin 105 | PAD46 — TFT data line 46 |
| Pin 106 | PAD47 — TFT data line 47 |
| Pin 107 | TFT_CLK — TFT pixel clock |
| Pin 108 | TFT_HSYNC — TFT horizontal sync |
| Pin 109 | TFT_VSYNC — TFT vertical sync |
| Pin 110 | TFT_DE — TFT data enable |
| Pin 111 | VSSA — ADC ground |
| Pin 112 | VDDA — ADC supply |
Aplicaciones típicas
S912XHZ512F1VAL es adecuado para 6 aplicacións: Automotive Instrument Cluster, HVAC Control Panel, Body Control Module, Motorcycle / Two-Wheeler Dashboard, Industrial HMI Panel, CAN Gateway Module.
Automotive Instrument Cluster
The S912XHZ512F1VAL's 512KB Flash and on-chip TFT controller directly drive a 320x240 or 800x480 automotive display, eliminating the external display-driver IC and shrinking BOM. Its 80MHz S12X CPU renders gauge graphics while the XGATE coprocessor manages CAN, PWM, and switch-scan interrupts at bus-clock rate. Two 1Mbps CAN 2.0A/B channels connect to body and powertrain networks, and the AEC-Q100 +105°C qualification lets the PCB live behind the instrument panel under direct sun load. The 112-LQFP exposes enough GPIO for telltale LEDs and rotary-pulse inputs. Compared with a discrete MCU + external TFT controller approach, this single-chip solution saves both board area and software complexity for the cluster application.
Recomendado
HVAC Control Panel
Automotive HVAC head units need a TFT for the climate GUI plus CAN for body-network communication - exactly the S912XHZ512F1VAL's strength. The 8 PWM channels drive mixed-air stepper or DC blower motors through external MOSFET drivers, and the 12-bit ADC (typical for the S12X family) reads cabin temperature sensors and potentiometers. At 80MHz the CPU handles touch-input debouncing and graphic animation without dropping CAN frames. The +105°C grade lets the panel sit in a sunlit dashboard without thermal derating. The 512KB Flash accommodates J1939 or UDS diagnostic stacks alongside the GUI. Buy with confidence from XAIPART for HVAC dashboard projects.
Recomendado
Body Control Module
Body-control modules aggregate door, seat, lighting, and accessory functions and need multi-channel PWM plus two CAN buses for chassis and powertrain networks. The S912XHZ512F1VAL's two 1Mbps CAN modules interface to those buses, and 8 PWM channels at 8-bit or 16-bit resolution drive lighting dimmers and seat motors. XGATE offloads the high-frequency CAN interrupt handling from the main CPU, leaving the S12X core free to run application logic. The 512KB Flash accommodates OSEK/OSEK-OS or AUTOSAR configuration plus UDS diagnostic services. The 112-LQFP gives enough I/O for multi-channel switch-scanning matrices common in BCM designs.
Recomendado
Motorcycle / Two-Wheeler Dashboard
Motorcycle dashboards share the same requirements as automotive clusters - TFT display, CAN, +105°C environment - but at much smaller volumes and tighter PCB budgets. The S912XHZ512F1VAL fits perfectly: the on-chip TFT controller eliminates an external display IC, AEC-Q100 +105°C handles engine-bay heat, and 512KB Flash runs the speedo/tacho GUI plus LIN/CAN diagnostics. The 112-LQFP is surface-mount and reflow-compatible with high-volume SMT lines. The 80MHz CPU handles smooth needle animation and segment-graphic transitions. For lower-tier two-wheeler dashes, the industrial S912XHZ512F1MAL is a cheaper drop-in. Buy with confidence from XAIPART.
Recomendado
Industrial HMI Panel
Industrial HMI panels with TFT displays benefit from the S912XHZ512F1VAL's CAN and PWM channels even outside the automotive market. The 512KB Flash stores graphical assets and Modbus/CANopen protocol stacks, while XGATE handles real-time fieldbus interrupts. Two CAN channels enable redundant fieldbus connections typical in factory-automation HMIs. The on-chip TFT driver simplifies the BOM for IP54-rated panel enclosures where PCB area is constrained. For applications that don't need the +105°C automotive grade, the MC9S12XHZ512CAL provides identical functionality at industrial temperature. The 112-LQFP fits inside standard 3.5" to 5" panel enclosures.
Recomendado
CAN Gateway Module
A CAN-CAN gateway module needs two CAN controllers, enough Flash for routing tables, and reliable real-time interrupt handling - exactly what the S912XHZ512F1VAL provides. The XGATE coprocessor processes incoming CAN frames at 1Mbps without losing messages, while the S12X CPU runs the routing and diagnostic logic. 512KB Flash accommodates full J1939 transport-layer and gateway-filter tables. AEC-Q100 +105°C qualification suits chassis-bay mounting. The 112-LQFP exposes both CAN channels, an SPI for an external transceiver control, and JTAG/BDM for production programming. This is the canonical use case for the S12XHZ512 family.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para S912XHZ512F1VAL — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S12XHZ512CAL | S912XHZ512F1MAG | S912XHZ512F1VAGR | S912XHZ512F1MAL | S912XEQ512F1VAL |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP | 112-LQFP - same | 144-LQFP - larger | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same |
| Core | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12XE 16-bit |
| Flash Size | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| Max CPU Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz |
| Temperature Grade | Automotive -40 to +105°C | Industrial -40 to +85°C | Automotive -40 to +105°C | Automotive -40 to +105°C | Industrial -40 to +85°C | Automotive -40 to +105°C |
| On-Chip TFT Driver | Yes | Yes | Yes | Yes | Yes | No |
| CAN Modules | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B |
| PWM Channels | 8 | 8 | 8 | 8 | 8 | 8 |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
Diferenciadores clave
- Integrated TFT display controller on-chip (frente a S912XEQ512F1VAL)
- Higher 80MHz CPU clock for graphics and CAN processing (frente a S912XEQ512F1VAL)
- Automotive +105°C temperature grade in same package (frente a S912XHZ512F1MAL)
Notas de diseño
The S912XHZ512F1VAL integrates an on-chip voltage regulator; VDDR/VSSX pins provide the regulated core voltage from the VDDX external supply. Decouple VDDX with a 100nF ceramic plus a 4.7µF bulk capacitor placed within 5mm of the package. VDDR requires its own 100nF decoupling. Tie unused VSS pins to a single ground plane to avoid floating-return issues. Refer to the MC9S12XHZ512 datasheet for the recommended sequencing between VDDR and VDDX during power-up.
Do not leave the BKGD pin floating during reset - it is the BDM debug pin and a noisy or floating BKGD can prevent normal startup. Add a 10kΩ pull-up to VDDX. The TEST pin must be tied directly to VSS for normal operation per NXP application note AN2548. Failure to tie TEST low puts the part in factory-test mode and prevents application code execution.
Route the two CAN TX/RX differential pairs (TXCAN0/RXCAN0 and TXCAN1/RXCAN1) with 100Ω differential impedance and equal-length matching to keep the bus within the CAN 2.0 spec. Place the external CAN transceiver (e.g. TJA1050 or MCP2551) within 50mm of the MCU pins. Decouple the transceiver VCC with a 100nF ceramic plus a 10µF bulk. Refer to NXP application note AN1790 for CAN bus layout best practices.
At 80MHz CPU clock with all peripherals active, the S912XHZ512F1VAL dissipates approximately 200–300mW depending on I/O toggling rate. The 112-LQFP's θJA of ~50°C/W keeps the junction well below +125°C even at +105°C ambient, so no heatsink is required. However, ensure the PCB copper pour under the exposed thermal footprint (none on this LQFP variant, but at least 1 square inch of ground plane) to keep the die cool. Monitor junction temperature in production via the internal temperature sensor.
Bring out the BKGD, RESET, VDDX, and VSS pins to a 6-pin BDM header following the NXP standard pinout (pin 1 = BKGD, pin 2 = GND, pin 4 = RESET, pin 6 = VDDX). This allows field programming and BDM debugging without removing the MCU. Add ESD protection (TVS array) on CAN and LIN lines for automotive surge compliance. For TFT panel routing, keep pixel-clock (TFT_CLK) traces short and matched within 50ps to avoid display jitter.
Información de cumplimiento
AEC-Q100 automotive qualification confirmed by NXP product page ('Automotive Qualified'). RoHS/REACH/lead-free status pending direct verification from datasheet - marked unknown rather than guessed. Operating temperature -40 to +105°C confirms automotive grade.
