S912XDG128F2MALR - 16-bit S12X MCU 128KB Flash 80MHz | NXP
N.º da peça: S912XDG128F2MALR ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $13.75 | $1.375,00 |
| 500 | $11.9 | $5.950,00 |
| 1.000 | $10.4 | $10.400,00 |
S912XDG128F2MALR Visão geral
What is an HCS12X microcontroller? An HCS12X MCU is an enhanced variant of the Freescale/NXP HCS12 family that adds an instruction queue, enhanced indexed addressing, interrupt stacking identical to the HCS12, and an extended instruction set. Positioned in the broader taxonomy, S12X sits between the simpler HCS12 and the higher-end S12XE family, eventually giving way to the S32K ARM Cortex-M automotive line. As a 16-bit MCU, it is widely used in body controllers, instrument clusters, and industrial node controllers where deterministic interrupt response and a stable, long-lived tool chain matter more than raw MHz.
Key features of the S912XDG128F2MALR include 128 KB of Flash, 8 KB of RAM (typical for the family), an integrated XGATE co-processor for peripheral offload, a 10-bit ADC, multiple SCI/SPI/I2C channels, and a CAN 2.0 module for in-vehicle networking. The 80 MHz core delivers roughly 2× the throughput of a stock HCS12 while keeping the same memory map, easing migration of existing HCS12 firmware.
The 112-pin LQFP (20 × 20 mm) package exposes ample I/O for body and chassis applications and provides good thermal performance for the on-chip analog and CAN peripherals. Compared with smaller QFP variants in the same family, the 112-pin device typically unlocks the full set of timer/PWM channels, the XGATE signals, and the extended address/data bus.
Typical applications include automotive body control modules, HVAC controllers, instrument clusters, door/seat/lighting modules, industrial CAN nodes, and LIN master/slave gateways. The combination of CAN 2.0, SCI/SPI and the XGATE engine is well-suited to multi-node vehicle networks. When designing with this device, allocate the XGATE vector table in non-paged Flash so that interrupts are serviced deterministically, and verify the 112-pin pinout against the family reference manual because smaller pin-count variants in the same family omit several peripheral pins.
Alternativas drop-in para S912XDG128F2MALR — 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 S912XDG128F2MALR (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Core, Core Processor, EEPROM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12XDT512MAA
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12XEQ384CAG
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12XDT256CAG
✅ Drop-In✓ Em estoque
$17.4 / unidade
Ver ficha técnica →MC9S12DG128MPV
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12DG128VFUE
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12DT128MPVE
✅ Drop-In✓ Em estoque
$36.5 / unidade
Ver ficha técnica →S912XET512BMAGR
✅ Drop-In✓ Em estoque
$6.6 / unidade
Ver ficha técnica →S912XDG128F2MALR Classificações máximas e características elétricas
| Core | HCS12X (S12X) |
| CPU Architecture | 16-bit |
| Maximum CPU Frequency | 80 MHz |
| Program Flash | 128 KB (128K x 8) |
| Encapsulamento | 112-LQFP (20 x 20 mm) |
| Temperatura de operação | -40 °C to +125 °C |
| Automotive Qualification | Yes (AEC-Q100) |
| ADC | 10-bit (per family) |
| CAN Modules | 1 x CAN 2.0 (per family) |
| Serial Interfaces | SCI / SPI / I2C (per family) |
| XGATE Co-processor | Yes (per family) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant (per NXP product page) |
| Instruction Set Compatibility | Upward compatible with HCS12 |
Guia de Configuração de Pinos do S912XDG128F2MALR 112-lqfp (20 x 20 mm)
Configuração de pinos para S912XDG128F2MALR (pacote 112-lqfp (20 x 20 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 S912XDG128F2MALR.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
S912XDG128F2MALR é adequado para 6 aplicaçãos: Automotive Body Control Module (BCM), HVAC Control Module, Instrument Cluster Controller, Door/Seat/Lighting Module, Industrial CAN Node, LIN Master/Slave Gateway.
Automotive Body Control Module (BCM)
The S912XDG128F2MALR's 16-bit S12X core at 80 MHz, integrated CAN 2.0 module, and 128 KB of Flash make it a natural fit for automotive body control modules that supervise lighting, wipers, door locks, and accessory power. The XGATE co-processor offloads pulse-train and timer-driven tasks (PWM for LED dimming, debouncing for switch inputs) so the main CPU can run communication stacks and supervisory logic. AEC-Q100 qualification at -40 °C to +125 °C supports under-dash and behind-cluster mounting. Compared with smaller HCS12 parts, the 128 KB Flash provides headroom for CAN/UDS diagnostics, J1939 stacks, and bootloader code, while the 112-LQFP exposes enough I/O for multi-channel PWM and ADC inputs typical in BCM hardware. The S12X instruction set is upward compatible with HCS12 firmware, easing migration from older BCM designs.
Recomendado
HVAC Control Module
HVAC modules require reliable CAN networking, precise PWM for blower-speed control, and ADC channels for temperature and pressure sensing - exactly the peripheral set the S912XDG128F2MALR provides. The 10-bit ADC samples cabin and duct thermistors, while multiple PWM channels drive the blower motor, mode doors, and blend actuators. CAN 2.0 links the HVAC module to the BCM and engine ECU for shared sensor data and fault reporting. The 128 KB Flash accommodates PID control loops, calibration tables, and OBD-II diagnostics. AEC-Q100 qualification is essential for cabin or under-hood placement where ambient temperatures can approach 85 °C continuous. Compared with discrete 8-bit MCUs, the S12X core gives the HVAC module deterministic interrupt response from the XGATE co-processor, which is critical for closed-loop blower control without audible motor artefacts.
Recomendado
Instrument Cluster Controller
Instrument clusters demand real-time control of stepper motors (gauges), LCD segments, indicator LEDs, and CAN bus traffic to the BCM and powertrain ECU. The S912XDG128F2MALR's XGATE co-processor handles stepper-drive sequencing in the background while the main S12X core processes CAN messages, runs the cluster diagnostic state machine, and manages warnings. The 112-LQFP exposes ample I/O for the multiple stepper channels and indicator LED drivers, while AEC-Q100 qualification supports behind-cluster thermal loads. The 128 KB Flash fits cluster firmware, gauge calibration curves, and CAN stack code. Compared with the smaller HCS12 DT family, the XGATE engine is essential for jitter-free gauge movement during high-CAN-bus traffic. NXP's S12XE upgrade path lets OEMs reuse the same firmware structure as cluster feature counts grow.
Recomendado
Door/Seat/Lighting Module
Peripheral body modules - door controllers, seat controllers, lighting/ECM units - are typical S12X use cases. The S912XDG128F2MALR's CAN 2.0 module links each module to the BCM, while PWM channels drive LED arrays, mirror adjusters, and small motors. The 16-bit throughput comfortably handles LIN-to-CAN bridging, LED matrix sequencing, and debounced switch inputs. AEC-Q100 -40 °C to +125 °C operation handles door-cavity and trunk temperature excursions. 128 KB Flash holds CAN stack, bootloader, and feature firmware. The S12X instruction queue accelerates interrupt service routines compared with the older HCS12 family, which shortens the worst-case latency for door-lock motor control.
Recomendado
Industrial CAN Node
Beyond automotive, the S912XDG128F2MALR serves industrial CAN nodes such as programmable logic controllers, sensor hubs, and motor inverters where 16-bit deterministic control and CANopen/DeviceNet stacks are required. The 80 MHz S12X core, XGATE engine, and 128 KB Flash support multi-protocol industrial stacks with comfortable headroom. AEC-Q100 qualification over-tolerances industrial ambient swings and improves long-term reliability. The 112-LQFP footprint gives designers generous I/O for industrial front ends. Compared with the older HCS12 family, XGATE offloads encoder/counter tasks so the main CPU is free to service the CAN stack and run application logic. PLC and motion-control vendors can reuse proven HCS12 tool chains on the S12X die with minimal effort.
Recomendado
LIN Master/Slave Gateway
The S912XDG128F2MALR is well suited as a CAN-to-LIN gateway in body and chassis networks, where it terminates the CAN 2.0 backbone and routes messages to LIN sub-buses for low-cost actuators (window lift, mirror, seat). The SCI/SPI/I2C peripherals provide additional bridges for legacy peripherals, while XGATE handles the time-critical LIN schedule table. AEC-Q100 qualification and 128 KB Flash support gateway firmware, network management, and diagnostic stacks. The 112-LQFP package offers the I/O headroom to simultaneously drive two LIN channels and a CAN channel, which is a typical 1×CAN + 2×LIN gateway topology.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S912XDG128F2MALR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S12XDT512MAA | MC9S12XEQ384CAG | MC9S12XDT256CAG | MC9S12DG128MPV |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20 mm) | 112-LQFP (MAA suffix) - same | 112-LQFP (CAG suffix) - same | 112-LQFP (CAG suffix) - same | 112-LQFP (MPV suffix) - same |
| Core Architecture | S12X (16-bit, 80 MHz) | S12X (16-bit, 80 MHz) - same | S12X (16-bit, 50 MHz) | S12X (16-bit, 40 MHz) | HCS12 (16-bit, 25 MHz) - different family |
| Flash Memory | 128 KB | 512 KB | 384 KB | 256 KB | 128 KB |
| XGATE Co-processor | Yes | Yes | Yes | Yes | No |
| CAN Modules | 1 x CAN 2.0 | 1 x CAN 2.0 | 1 x CAN 2.0 | 1 x CAN 2.0 | 1 x CAN 2.0 |
| Automotive Grade | AEC-Q100, -40 to +125 °C | AEC-Q100, -40 to +125 °C | AEC-Q100, -40 to +125 °C | AEC-Q100, -40 to +125 °C | AEC-Q100, -40 to +125 °C |
| Lifecycle | Obsolete (EOL) | Active | Active | Active | Active |
Principais diferenciais
- S12X core with XGATE co-processor for deterministic I/O offload (vs MC9S12DG128MPV)
- 112-LQFP with full peripheral set exposed (vs MC9S12DG128VFUE)
- Canonical 128 KB Flash / 80 MHz S12X footprint option (vs MC9S12XDT512MAA)
Notas de projeto
The S912XDG128F2MALR is marked End of Life on the NXP product page, so new designs should consider the S12XE family (e.g., S912XET512BMAGR for same 112-LQFP footprint, 512 KB Flash) or the S32K ARM Cortex-M platform. Confirm last-time-buy availability with NXP field sales before committing a long-running program to this part. Rochester Electronics and authorised distributors can supply continuity stock for years, but pricing will rise as inventory shrinks.
Place the MCU's bulk decoupling capacitor (typically 4.7 µF or 10 µF) within 5 mm of the VDD pins, plus a 100 nF ceramic adjacent to each VDD/VSS pair. The 112-LQFP package has multiple VDD pins distributed across the perimeter - route each to its own decoupling via short, wide traces. For 5 V-tolerant pins, ensure your schematic respects the S12X family's absolute-maximum ratings, especially on ADC inputs that share analog supply pins.
Route the external bus interface (where present on the 112-LQFP variant) with matched-length traces and a ground reference plane, since the S12X family supports both single-chip and expanded modes. For CAN bus nodes, place the TJA1051/TJA1042 transceiver within 30 mm of the MCU CAN pins, and keep the CANH/CANL differential pair matched within 5 mm to maintain signal integrity at 1 Mbit/s. Twisted-pair wiring should be used off-board.
Informações de conformidade
RoHS compliant per NXP product page. AEC-Q100 qualified for automotive. REACH status not explicitly listed in distributor data - confirm with NXP environmental compliance documentation.
