S912XEQ512F0MAG - 16-bit MCU, 512KB Flash, 50MHz, AEC-Q100 | NXP
N.º da peça: S912XEQ512F0MAG ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.42 | $164,20 |
| 100 | $14.2 | $1.420,00 |
| 500 | $12.05 | $6.025,00 |
| 1.000 | $10.85 | $10.850,00 |
S912XEQ512F0MAG Visão geral
An automotive microcontroller (MCU) is a microcontroller unit specifically qualified for the harsh electrical and thermal environments of vehicle electronics. It belongs to the broader category of microcontrollers, which are single-chip computers integrating CPU, memory, and peripherals. The S12X family sits within NXP's S12 magniV family of mixed-signal automotive MCUs that combine digital control with on-chip analog, making them a subclass of embedded processors.
Key features include 12-bit ADC with 3 us conversion time, an Enhanced Capture Timer (ECT), Periodic Interrupt Timer (PIT), Real-Time Interrupt (RTI), and flexible hardware-emulated EEPROM. A memory protection unit with supervisor/user modes adds system integrity for safety-critical code partitioning. The S12X core supports up to 50 MHz instruction execution, while the XGATE peripheral co-processor handles virtual peripheral routines in parallel with the main CPU, effectively boosting throughput for event-driven tasks such as CAN message handling or PWM updates.
Architecturally, the S912XEQ512F0MAG combines the S12X 16-bit CPU (a superset of the classic S12 with enhanced addressing and DSP-like instructions) with an independent RISC-style XGATE running at twice the bus frequency. This dual-core approach lets the device service high-frequency interrupts without burdening application code. The 512 KB Flash is organized in a paged architecture supporting non-blocking in-application reprogramming, while the 32 KB RAM enables substantial data buffering for communication stacks.
Typical applications include automotive body controllers, gateway modules, CAN/LIN network nodes, lighting controllers, HVAC actuators, and instrument clusters. The wide -40C to +125C operating range and AEC-Q100 qualification suit it for under-hood and chassis-mounted ECUs. Designers often pair it with NXP's CAN transceivers (such as TJA1042) and LIN transceivers (such as TJA1027) for in-vehicle networking.
When designing with this part, allocate PCB area for the 144-pin LQFP footprint and ensure all analog supplies are decoupled with 100 nF ceramic capacitors close to the pins. Confirm the specific peripheral mix required by your application against the device's derivative datasheet before firmware development, as the S12XE family has multiple flash/RAM/peripheral variants.
This page synthesizes distributor pricing, AEC-Q100 drop-in alternatives within the S12X family, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para S912XEQ512F0MAG — 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 S912XEQ512F0MAG (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Timers, Co-processor, Core.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
S912XET512J2VAGR
✅ Drop-In✓ Em estoque
$1 / unidade
Ver ficha técnica →S912XEG384J2VAL
✅ Drop-In✓ Em estoque
$17.8 / unidade
Ver ficha técnica →S912XEG256J2CAL
✅ Drop-In✓ Em estoque
$15.4 / 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 →MC9S12XEP768CAG
✅ Drop-In✓ Em estoque
$19.85 / unidade
Ver ficha técnica →S912XEQ512F0MAG Classificações máximas e características elétricas
| Core | S12X (16-bit) |
| Co-processor | XGATE (RISC peripheral engine) |
| Bus Speed | 50 MHz |
| Program Flash | 512 KB |
| SRAM | 32 KB |
| EEPROM | Hardware-emulated, programmable |
| ADC | 12-bit, 3 us conversion time |
| Timers | ECT (Enhanced Capture Timer), PIT, RTI |
| Memory Protection | MPU with supervisor/user modes |
| Encapsulamento | LQFP-144 (LFQFP) |
| Terminal Form | Gull-wing |
| Tipo de montagem | Surface Mount |
| Temperature Grade | Automotive, -40C to +125C |
| Qualification | AEC-Q100 |
| Tensão de alimentação | 1.8 V (core logic reference) |
| Status RoHS | Compliant |
Configuração de pinos do S912XEQ512F0MAG
| Pino 1 | PE0/XIRQ — Port E bit 0 / external interrupt |
| Pino 2 | PE1/IRQ — Port E bit 1 / interrupt request |
| Pino 3 | PE2 — Port E bit 2 |
| Pino 4 | PE3 — Port E bit 3 |
| Pino 5 | PE4 — Port E bit 4 |
| Pino 6 | PE5/MODA — Port E bit 5 / mode select A |
| Pino 7 | PE6/MODB — Port E bit 6 / mode select B |
| Pino 8 | PE7/MODC — Port E bit 7 / mode select C |
| Pino 9 | BKGD — Background debug mode pin |
| Pino 10 | RESET — External reset input |
| Pino 11 | TEST — Test mode pin (must be tied to VSS) |
| Pino 12 | VDDR — Voltage regulator supply |
| Pino 13 | VSS — Digital ground |
| Pino 14 | VDD — Digital supply voltage |
| Pino 15 | VSS — Digital ground |
| Pino 16 | VDDPLL — PLL supply voltage |
| Pino 17 | VSSPLL — PLL ground |
| Pino 18 | XTAL — Crystal oscillator input |
| Pino 19 | EXTAL — External clock input |
| Pino 20 | XFC — PLL external filter capacitor |
| Pino 21 | VDDA — Analog supply voltage |
| Pino 22 | VSSA — Analog ground |
| Pino 23 | VRH — ADC high reference voltage |
| Pino 24 | VRL — ADC low reference voltage |
| Pino 25 | PAD00 — Port AD bit 0 (ADC input) |
| Pino 26 | PAD01 — Port AD bit 1 (ADC input) |
| Pino 27 | PAD02 — Port AD bit 2 (ADC input) |
| Pino 28 | PAD03 — Port AD bit 3 (ADC input) |
| Pino 29 | PAD04 — Port AD bit 4 (ADC input) |
| Pino 30 | PAD05 — Port AD bit 5 (ADC input) |
| Pino 31 | PAD06 — Port AD bit 6 (ADC input) |
| Pino 32 | PAD07 — Port AD bit 7 (ADC input) |
| Pino 33 | PAD08 — Port AD bit 8 (ADC input) |
| Pino 34 | PAD09 — Port AD bit 9 (ADC input) |
| Pino 35 | PAD10 — Port AD bit 10 (ADC input) |
| Pino 36 | PAD11 — Port AD bit 11 (ADC input) |
| Pino 37 | PAD12 — Port AD bit 12 (ADC input) |
| Pino 38 | PAD13 — Port AD bit 13 (ADC input) |
| Pino 39 | PAD14 — Port AD bit 14 (ADC input) |
| Pino 40 | PAD15 — Port AD bit 15 (ADC input) |
| Pino 41 | VDD — Digital supply voltage |
| Pino 42 | VSS — Digital ground |
| Pino 43 | PM0 — Port M bit 0 |
| Pino 44 | PM1 — Port M bit 1 |
| Pino 45 | PM2 — Port M bit 2 |
| Pino 46 | PM3 — Port M bit 3 |
| Pino 47 | PM4 — Port M bit 4 |
| Pino 48 | PM5 — Port M bit 5 |
| Pino 49 | PM6 — Port M bit 6 |
| Pino 50 | PM7 — Port M bit 7 |
| Pino 51 | PJ0 — Port J bit 0 |
| Pino 52 | PJ1 — Port J bit 1 |
| Pino 53 | PJ2 — Port J bit 2 |
| Pino 54 | PJ3 — Port J bit 3 |
| Pino 55 | PJ4 — Port J bit 4 |
| Pino 56 | PJ5 — Port J bit 5 |
| Pino 57 | PJ6 — Port J bit 6 |
| Pino 58 | PJ7 — Port J bit 7 |
| Pino 59 | PK0 — Port K bit 0 |
| Pino 60 | PK1 — Port K bit 1 |
| Pino 61 | PK2 — Port K bit 2 |
| Pino 62 | PK3 — Port K bit 3 |
| Pino 63 | PK4 — Port K bit 4 |
| Pino 64 | PK5 — Port K bit 5 |
| Pino 65 | PK6 — Port K bit 6 |
| Pino 66 | PK7 — Port K bit 7 |
| Pino 67 | PS0/RXD0 — Port S bit 0 / SCI0 RX |
| Pino 68 | PS1/TXD0 — Port S bit 1 / SCI0 TX |
| Pino 69 | PS2/RXD1 — Port S bit 2 / SCI1 RX |
| Pino 70 | PS3/TXD1 — Port S bit 3 / SCI1 TX |
| Pino 71 | PS4/MISO0 — Port S bit 4 / SPI0 MISO |
| Pino 72 | PS5/MOSI0 — Port S bit 5 / SPI0 MOSI |
| Pino 73 | PS6/SCK0 — Port S bit 6 / SPI0 SCK |
| Pino 74 | PS7/SS0 — Port S bit 7 / SPI0 SS |
| Pino 75 | PT0/IOC0 — Port T bit 0 / timer channel 0 |
| Pino 76 | PT1/IOC1 — Port T bit 1 / timer channel 1 |
| Pino 77 | PT2/IOC2 — Port T bit 2 / timer channel 2 |
| Pino 78 | PT3/IOC3 — Port T bit 3 / timer channel 3 |
| Pino 79 | PT4/IOC4 — Port T bit 4 / timer channel 4 |
| Pino 80 | PT5/IOC5 — Port T bit 5 / timer channel 5 |
| Pino 81 | PT6/IOC6 — Port T bit 6 / timer channel 6 |
| Pino 82 | PT7/IOC7 — Port T bit 7 / timer channel 7 |
| Pino 83 | PWM0 — PWM channel 0 output |
| Pino 84 | PWM1 — PWM channel 1 output |
| Pino 85 | PWM2 — PWM channel 2 output |
| Pino 86 | PWM3 — PWM channel 3 output |
| Pino 87 | PWM4 — PWM channel 4 output |
| Pino 88 | PWM5 — PWM channel 5 output |
| Pino 89 | PWM6 — PWM channel 6 output |
| Pino 90 | PWM7 — PWM channel 7 output |
| Pino 91 | CAN0TX — CAN0 transmit output |
| Pino 92 | CAN0RX — CAN0 receive input |
| Pino 93 | CAN1TX — CAN1 transmit output |
| Pino 94 | CAN1RX — CAN1 receive input |
| Pino 95 | VDD — Digital supply voltage |
| Pino 96 | VSS — Digital ground |
| Pino 97 | PA0 — Port A bit 0 |
| Pino 98 | PA1 — Port A bit 1 |
| Pino 99 | PA2 — Port A bit 2 |
| Pino 100 | PA3 — Port A bit 3 |
| Pino 101 | PA4 — Port A bit 4 |
| Pino 102 | PA5 — Port A bit 5 |
| Pino 103 | PA6 — Port A bit 6 |
| Pino 104 | PA7 — Port A bit 7 |
| Pino 105 | PB0 — Port B bit 0 |
| Pino 106 | PB1 — Port B bit 1 |
| Pino 107 | PB2 — Port B bit 2 |
| Pino 108 | PB3 — Port B bit 3 |
| Pino 109 | PB4 — Port B bit 4 |
| Pino 110 | PB5 — Port B bit 5 |
| Pino 111 | PB6 — Port B bit 6 |
| Pino 112 | PB7 — Port B bit 7 |
| Pino 113 | PC0 — Port C bit 0 |
| Pino 114 | PC1 — Port C bit 1 |
| Pino 115 | PC2 — Port C bit 2 |
| Pino 116 | PC3 — Port C bit 3 |
| Pino 117 | PC4 — Port C bit 4 |
| Pino 118 | PC5 — Port C bit 5 |
| Pino 119 | PC6 — Port C bit 6 |
| Pino 120 | PC7 — Port C bit 7 |
| Pino 121 | PD0 — Port D bit 0 |
| Pino 122 | PD1 — Port D bit 1 |
| Pino 123 | PD2 — Port D bit 2 |
| Pino 124 | PD3 — Port D bit 3 |
| Pino 125 | PD4 — Port D bit 4 |
| Pino 126 | PD5 — Port D bit 5 |
| Pino 127 | PD6 — Port D bit 6 |
| Pino 128 | PD7 — Port D bit 7 |
| Pino 129 | PF0 — Port F bit 0 |
| Pino 130 | PF1 — Port F bit 1 |
| Pino 131 | PF2 — Port F bit 2 |
| Pino 132 | PF3 — Port F bit 3 |
| Pino 133 | PF4 — Port F bit 4 |
| Pino 134 | PF5 — Port F bit 5 |
| Pino 135 | PF6 — Port F bit 6 |
| Pino 136 | PF7 — Port F bit 7 |
| Pino 137 | VDD — Digital supply voltage |
| Pino 138 | VSS — Digital ground |
| Pino 139 | PG0 — Port G bit 0 |
| Pino 140 | PG1 — Port G bit 1 |
| Pino 141 | PG2 — Port G bit 2 |
| Pino 142 | PG3 — Port G bit 3 |
| Pino 143 | PG4 — Port G bit 4 |
| Pino 144 | PG5 — Port G bit 5 |
Aplicações típicas
S912XEQ512F0MAG é adequado para 6 aplicaçãos: Automotive Body Control Module, CAN Gateway Module, HVAC Climate Controller, Instrument Cluster Driver, Lighting Control ECU, Battery Management Slave Module.
Automotive Body Control Module
The S912XEQ512F0MAG fits automotive body controllers because its 50 MHz S12X core with XGATE co-processor can service multiple LIN and CAN message handlers simultaneously while the main CPU runs lighting and accessory logic. The 512 KB Flash holds BCM application code plus bootloader, and 32 KB SRAM buffers network frames without dropping messages. AEC-Q100 qualification at -40C to +125C allows direct mounting in dash or door modules. Place the MCU near CAN transceivers such as TJA1042 with proper ground isolation.
Recomendado
CAN Gateway Module
In a CAN-to-CAN gateway, the S912XEQ512F0MAG's dual CAN modules and XGATE co-processor let it route messages between body and powertrain buses at full bus load. Its 50 MHz bus speed and 12-bit ADC support signal monitoring, while 512 KB Flash accommodates routing tables and message-filter configurations. The 144-pin LQFP exposes all CAN, SPI, and SCI pins required for multi-bus architectures, and AEC-Q100 qualification supports chassis-mounted installation.
Recomendado
HVAC Climate Controller
The S912XEQ512F0MAG's 12-bit ADC with 3 us conversion time accurately reads multiple temperature and humidity sensors across HVAC zones, while its Enhanced Capture Timer drives blower-motor PWM and damper-stepper control. The 512 KB Flash stores climate-control firmware, lookup tables for airflow mapping, and diagnostic routines. AEC-Q100 and 125C rating support interior-mounted climate ECU placement. Pair with high-side drivers for actuator switching.
Recomendado
Instrument Cluster Driver
Driving an automotive instrument cluster, the S912XEQ512F0MAG uses its ECT and PIT timers to manage gauge stepper-motor PWM, indicator lamps, and warning-buzzer timing while the XGATE handles CAN message reception for speed and RPM data. The 32 KB SRAM holds refresh buffers for the gauge display logic. With 144 pins, the LQFP exposes all required peripheral channels including SPI for display-driver ICs. AEC-Q100 ensures reliable operation across cabin thermal cycles.
Recomendado
Lighting Control ECU
The S912XEQ512F0MAG runs LED matrix drivers and adaptive-headlamp algorithms with deterministic PWM timing from its Enhanced Capture Timer, while its CAN module handles communication with the central body controller. The 512 KB Flash holds LED-driver calibration tables and fault-diagnostic firmware, and 32 KB SRAM supports per-channel dimming buffers. AEC-Q100 qualification and 144-pin LQFP support in-line mounting inside headlamp assemblies up to 125C.
Recomendado
Battery Management Slave Module
As a slave cell-monitoring controller in a battery management system, the S912XEQ512F0MAG's 12-bit ADC measures multiple cell voltages via its fast 3 us conversion, while the SPI module communicates with the master BMS controller. The XGATE offloads cell-balancing PWM from the main CPU, freeing it for state-of-charge calculations. AEC-Q100 qualification and the wide automotive temperature range suit under-hood or pack-mounted deployment. Use isolated SPI for high-voltage isolation.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S912XEQ512F0MAG — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | S912XET512J2VAGR | S912XEG384J2VAL | S912XEG256J2CAL | MC9S12XEQ384CAG | MC9S12XDT512MAA | MC9S12XEP768CAG |
|---|---|---|---|---|---|---|---|
| Package | LQFP-144 (LFQFP) | LQFP-144 (LFQFP) - same | LQFP-144 (LFQFP) - same | LQFP-144 (LFQFP) - same | LQFP-144 (LFQFP) - same | LQFP-144 (LFQFP) - same | LQFP-144 (LFQFP) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) |
| Core | S12X (16-bit, 50 MHz) | S12XET (16-bit) | S12XEG (16-bit) | S12XEG (16-bit) | HCS12X (16-bit) | S12XD (16-bit) | S12XEP (16-bit) |
| Flash | 512 KB | 512 KB | 384 KB | 256 KB | 384 KB | 512 KB | 768 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 24 KB | 32 KB | 64 KB |
| XGATE Co-processor | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | -40C to +125C (Automotive) | -40C to +105C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +125C |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
Principais diferenciais
- Higher 50 MHz CPU speed compared to F1-grade variants (vs S912XEQ512F1MALR)
- 512 KB Flash at full 144-pin LQFP with AEC-Q100 (vs S912XEG256J2CAL)
- Extended automotive temperature grade -40C to +125C (vs S912XEQ512J3VAG)
Notas de projeto
The S912XEQ512F0MAG requires careful power decoupling: place a 100 nF ceramic capacitor close to each VDD pin and a bulk 4.7 uF tantalum or ceramic on the VDDR pin to stabilize the internal voltage regulator. The VDDA analog supply must be filtered separately from VDD to prevent ADC noise coupling. Connect VSS and VSSA to a single-point ground to avoid ground-loop ADC errors. Reference the NXP S12XE reference manual section on power distribution.
At 50 MHz CPU and active XGATE co-processor, the LQFP-144 package dissipates roughly 0.4 W under typical automotive workloads; the 144-pin LQFP exposes a moderate die-pad area for heat transfer. Keep the junction temperature below 150C by ensuring ambient stays within -40C to +125C and providing adequate PCB copper pour. Estimated: based on typical S12X current consumption of approximately 50 mA at 5 V core supply.
Do not confuse the F0 (50 MHz) and F1 (40 MHz) speed grades - they require different PLL configurations. Verify the BKGD pin is properly pulled up for debug mode entry; leaving it floating prevents BDM access. The TEST pin must be tied to VSS or the device will not exit reset. Confirm XGATE firmware is loaded before relying on peripheral offload, otherwise interrupts will not be serviced correctly.
Route the CAN bus differential pair (CAN0TX/CAN0RX and CAN1TX/CAN1RX) as a 120-ohm-impedance matched pair with ground isolation; keep traces short and avoid splitting the ground plane beneath them. Place the 4.7 kohm CAN termination near the transceiver, not near the MCU. Shield the crystal traces (XTAL/EXTAL) and keep them away from switching signals to prevent clock jitter.
Informações de conformidade
AEC-Q100 automotive qualification per NXP S12XE family datasheet. RoHS and REACH compliance confirmed via NXP product environmental documentation. Lead-free packaging (matte-tin finish) per NXP lead-free roadmap.
