S912XET512J3MAGR - 16-Bit 50MHz 512KB Flash MCU | NXP
N.º da peça: S912XET512J3MAGR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.95 | $259,50 |
| 100 | $22.1 | $2.210,00 |
| 500 | $18.75 | $9.375,00 |
| 1.000 | $16.4 | $16.400,00 |
S912XET512J3MAGR Visão geral
The HCS12X is a high-performance 16-bit microcontroller architecture that doubles internal data paths to 32 bits in selected operations while retaining the established S12 instruction set and tool chain. The XGATE auxiliary processor offloads interrupt servicing and peripheral data movement, allowing the main CPU to focus on application logic and reducing average interrupt latency by up to 50% compared with single-core S12 devices. This dual-processor approach delivers 32-bit-class performance with the deterministic response and code density of a 16-bit controller, fitting squarely within the broader category of automotive microcontrollers and embedded MCU ICs.
Key features include 512 KB program Flash, 32 KB RAM, 4 KB EEPROM emulation area, CAN, SPI, SCI, I2C peripherals, plus a memory protection unit with supervisor/user modes for system integrity. The 12-bit ADC supports up to 24 channels with sequential scan capability, while the ECT delivers input capture, output compare, and pulse-width modulation functions. Multiple PWM channels and timer resources support motor control and switch-mode power conversion.
Typical applications include automotive body controllers, instrument clusters, HVAC control modules, seat and mirror controllers, industrial sensor hubs, and CAN-based distributed control nodes. The wide operating temperature range and AEC-Q100 qualification make this device suitable for under-hood and chassis environments where reliability under thermal stress is mandatory.
When designing with this device, ensure adequate decoupling on the 5V analog supply pins (VDDA/VSSA), route the CAN bus through a high-speed transceiver, and connect the BKGD pin to a secure debug header. The 144-pin LQFP provides ample I/O for mid-complexity body and chassis systems without requiring BGA routing complexity.
This page synthesizes NXP manufacturer specifications, distributor pricing, drop-in same-family alternatives, and PCB layout guidance not found in the datasheet summary, giving procurement and design engineers a single decision-ready reference.
Alternativas drop-in para S912XET512J3MAGR — 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 S912XET512J3MAGR (mesmo formato e footprint) — diferindo em Package, Operating Temperature, EEPROM, Flash Memory, Core Architecture.
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 ⚠️ Especificações não verificadas✓ Em estoque
$1 / unidade
Ver ficha técnica →MC9S12XEQ384CAG
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XET256J2VAG
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →S9S12XF384J2MLMR
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12XDT512MAA
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12DT128MPVE
✅ Drop-In✓ Em estoque
$36.5 / unidade
Ver ficha técnica →S912XET512J3MAGR Classificações máximas e características elétricas
| Product Series | HCS12X (S12XE family) |
| Core Architecture | 16-bit S12X CPU with XGATE co-processor |
| Bus Speed / Clock Frequency | 50 MHz |
| Program Memory | 512 KB Flash (512K x 8) |
| RAM | 32 KB |
| EEPROM | Hardware-emulated via Flash |
| ADC Resolution | 12-bit |
| ADC Conversion Time | 3 microseconds |
| Operating Voltage | 1.8 V core / 5 V I/O |
| Temperatura de operação | -40C to +125C (automotive grade) |
| Encapsulamento | 144-LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount (LFQFP, gull-wing) |
| Peripherals | CAN, SPI, SCI, I2C, ECT, PIT, RTI |
| Memory Protection | MPU with supervisor/user modes |
| Automotive Qualification | AEC-Q100 |
| Status RoHS | Compliant |
Guia de Configuração de Pinos do S912XET512J3MAGR 144-lqfp (20x20 mm)
Configuração de pinos para S912XET512J3MAGR (pacote 144-lqfp (20x20 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para S912XET512J3MAGR.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
S912XET512J3MAGR é adequado para 6 aplicaçãos: Automotive Body Control Module (BCM), Industrial CAN Sensor Hub, HVAC Control Module, Seat and Mirror Controller, Instrument Cluster Display Driver, Battery Management Slave Module.
Automotive Body Control Module (BCM)
The S912XET512J3MAGR is well suited to automotive BCM designs because its 512 KB Flash (per NXP S12XE datasheet) holds full body-control firmware plus OBD-II diagnostic stacks, and the XGATE co-processor keeps CAN-bus interrupt latency low at the 50 MHz bus speed. Multi-channel CAN/SPI/SCI/I2C peripherals give designers native connectivity to seat modules, mirror drivers, and door zones without external bridges. The -40C to +125C AEC-Q100 temperature range permits placement in harsh under-hood or cabin environments. Power dissipation remains low thanks to the 1.8V core with 5V I/O, easing thermal management in sealed BCM enclosures.
Recomendado
Industrial CAN Sensor Hub
For distributed CAN sensor nodes in industrial automation, the S912XET512J3MAGR provides AEC-Q100-grade reliability that exceeds typical industrial temperature requirements, allowing one qualified part to serve both automotive and industrial controller SKUs. The 12-bit ADC (with 3 microsecond conversion time per datasheet) easily handles multi-channel analog sensor reading from temperature, pressure, and flow transducers, while the 50 MHz bus speed supports tight control loops. Multiple PWM channels generated by the Enhanced Capture Timer enable local motor or solenoid actuation. The 144-LQFP footprint gives generous GPIO for distributed system expansion.
Recomendado
HVAC Control Module
The S912XET512J3MAGR fits HVAC control modules where mixed-signal integration cuts the bill of materials: 12-bit ADC channels read temperature and pressure sensors, PWM channels from the Enhanced Capture Timer drive blower motors and blend-door actuators, and CAN connects the module to the vehicle body network. The S12X CPU at 50 MHz provides ample processing headroom for the closed-loop control algorithms, while XGATE offloads periodic timer interrupts. AEC-Q100 qualification and the wide -40C to +125C range let engineers target the part directly at under-dash HVAC units with long-term supply confidence.
Recomendado
Seat and Mirror Controller
In motorized seat and mirror modules, the S912XET512J3MAGR drives multiple DC motors and position sensors with its ECT-based PWM channels while communicating with the BCM via CAN or LIN transceivers. The XGATE co-processor is valuable for real-time end-of-travel detection and anti-pinch algorithms because it services the encoder and current-sense interrupts deterministically without CPU stall. With 512 KB Flash, room remains for vendor-specific calibration tables and diagnostics. The 144-LQFP package provides generous headroom for option-package pin assignments across vehicle trim levels.
Recomendado
Instrument Cluster Display Driver
The S912XET512J3MAGR can drive segment or dot-matrix instrument clusters by using its ECT for precise gauge driving waveforms, while the SPI peripheral shifts data to external display drivers or TFT controllers. The 50 MHz bus rate ensures gauge pointer and warning-indicator updates stay synchronized to vehicle bus messages received over CAN. AEC-Q100 qualification matches automotive cluster thermal requirements (sun-baked dashboards approach +125C). 512 KB Flash is sufficient for cluster graphics tables, multi-language firmware, and on-board diagnostics without external memory.
Recomendado
Battery Management Slave Module
Battery management slave modules in xEV powertrains use the S912XET512J3MAGR's 12-bit ADC to sample individual cell voltages and module temperatures with the documented 3 microsecond conversion time, while CAN isolation transceivers link the slave to the master BMS controller. The S12X MPU with supervisor/user modes isolates calibration code from the application layer, increasing functional safety capability for ISO 262ASIL-A designs. AEC-Q100 screening of the part ensures predictable behavior through the high-temperature and vibration profiles experienced in battery pack housing.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S912XET512J3MAGR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | S912XET512BMAGR | S912XET512J2VAGR | MC9S12XEQ384CAG | S912XET256J2VAG | S9S12XF384J2MLMR |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same |
| Core / Family | S12XE 16-bit @ 50 MHz + XGATE | S12XE 16-bit @ 50 MHz + XGATE | S12XE 16-bit @ 50 MHz + XGATE | S12XE 16-bit @ 50 MHz + XGATE | S12XE 16-bit @ 50 MHz + XGATE | S12XE 16-bit @ 50 MHz + XGATE |
| Flash Memory | 512 KB | 512 KB | 512 KB | 384 KB | 256 KB | 384 KB |
| RAM | 32 KB | 32 KB | 32 KB | 24 KB | 32 KB | 32 KB |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| Automotive Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| Estimated Unit Price (USD, qty 1) | 28.50 | 27.20 | 27.80 | 24.50 | 21.40 | 26.10 |
Principais diferenciais
- Largest flash density in the S12XE 144-LQFP pinout (vs MC9S12XEQ384CAG)
- XGATE co-processor retained from S12XE family (vs MC9S12DT128MPVE)
- Active in production with current distributor stock (vs S912XET256J2VAG)
Notas de projeto
The S912XET512J3MAGR operates from a 5V I/O supply with an internal 1.8V voltage regulator for the core. Decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each pin pair, and place a bulk 4.7 microfarad tantalum or ceramic on VDDA/VSSA for the 12-bit ADC analog supply. According to the S12XE family datasheet, the analog supply must be low-noise to preserve ADC accuracy; adding a ferrite bead between digital and analog 5V rails is recommended for mixed-signal body-control boards.
The 144-LQFP package requires careful escape routing on the top layer due to 0.5 mm pitch leads. Use a 4-layer stack-up with continuous ground plane beneath the device to minimize EMI and provide thermal spreading. Route the 50 MHz ECT/PWM outputs away from ADC analog inputs to reduce coupling, and keep the BKGD/MODC debug clock trace short; long traces increase radiated emissions and can compromise background debug mode reliability during in-circuit programming.
Common mistakes when prototyping with the S912XET512J3MAGR include omitting the external reset capacitor on the RESET pin, neglecting the PLL filter network, and leaving the XGATE module clock gated off when it is configured in firmware. Each of these causes subtle boot failures or runtime exceptions that are difficult to trace without an oscilloscope on the ECLK pin. Designers should also confirm VDD is monotonic at power-up; the S12XE family datasheet specifies a minimum rise time for clean POR.
At continuous full 50 MHz operation across all peripherals, the 144-LQFP package dissipates on the order of 0.4 W to 0.6 W, well within the rated thermal envelope. However, in sealed automotive enclosures without airflow, ambient can exceed +85C, so verify with a junction-temperature calculation. The thermal pad of the LQFP is connected to GND; stitching vias under the exposed pad (where present) significantly reduce junction-to-ambient thermal resistance for high-temperature applications such as battery management slave modules.
Informações de conformidade
AEC-Q100 qualified per NXP S12XE product family datasheet. RoHS and REACH compliance confirmed by authorized distributor listings. Halogen-free status not explicitly stated in the cited data; confirm on manufacturer datasheet if required by your program.
