S912XEQ512F0MAG - 16-bit MCU, 512KB Flash, 50MHz, AEC-Q100 | NXP
Référence : S912XEQ512F0MAG ✓ Actif| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour S912XEQ512F0MAG — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec S912XEQ512F0MAG (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Timers, Co-processor, Core.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
S912XET512J2VAGR
✅ Remplacement direct✓ En stock
$1 / unité
Voir la fiche technique →S912XEG384J2VAL
✅ Remplacement direct✓ En stock
$17.8 / unité
Voir la fiche technique →S912XEG256J2CAL
✅ Remplacement direct✓ En stock
$15.4 / unité
Voir la fiche technique →MC9S12XEQ384CAG
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC9S12XDT512MAA
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC9S12XEP768CAG
✅ Remplacement direct✓ En stock
$19.85 / unité
Voir la fiche technique →S912XEQ512F0MAG Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | LQFP-144 (LFQFP) |
| Terminal Form | Gull-wing |
| Type de montage | Surface Mount |
| Temperature Grade | Automotive, -40C to +125C |
| Qualification | AEC-Q100 |
| Tension d'alimentation | 1.8 V (core logic reference) |
| Statut RoHS | Compliant |
Configuration des broches de S912XEQ512F0MAG
| Broche 1 | PE0/XIRQ — Port E bit 0 / external interrupt |
| Broche 2 | PE1/IRQ — Port E bit 1 / interrupt request |
| Broche 3 | PE2 — Port E bit 2 |
| Broche 4 | PE3 — Port E bit 3 |
| Broche 5 | PE4 — Port E bit 4 |
| Broche 6 | PE5/MODA — Port E bit 5 / mode select A |
| Broche 7 | PE6/MODB — Port E bit 6 / mode select B |
| Broche 8 | PE7/MODC — Port E bit 7 / mode select C |
| Broche 9 | BKGD — Background debug mode pin |
| Broche 10 | RESET — External reset input |
| Broche 11 | TEST — Test mode pin (must be tied to VSS) |
| Broche 12 | VDDR — Voltage regulator supply |
| Broche 13 | VSS — Digital ground |
| Broche 14 | VDD — Digital supply voltage |
| Broche 15 | VSS — Digital ground |
| Broche 16 | VDDPLL — PLL supply voltage |
| Broche 17 | VSSPLL — PLL ground |
| Broche 18 | XTAL — Crystal oscillator input |
| Broche 19 | EXTAL — External clock input |
| Broche 20 | XFC — PLL external filter capacitor |
| Broche 21 | VDDA — Analog supply voltage |
| Broche 22 | VSSA — Analog ground |
| Broche 23 | VRH — ADC high reference voltage |
| Broche 24 | VRL — ADC low reference voltage |
| Broche 25 | PAD00 — Port AD bit 0 (ADC input) |
| Broche 26 | PAD01 — Port AD bit 1 (ADC input) |
| Broche 27 | PAD02 — Port AD bit 2 (ADC input) |
| Broche 28 | PAD03 — Port AD bit 3 (ADC input) |
| Broche 29 | PAD04 — Port AD bit 4 (ADC input) |
| Broche 30 | PAD05 — Port AD bit 5 (ADC input) |
| Broche 31 | PAD06 — Port AD bit 6 (ADC input) |
| Broche 32 | PAD07 — Port AD bit 7 (ADC input) |
| Broche 33 | PAD08 — Port AD bit 8 (ADC input) |
| Broche 34 | PAD09 — Port AD bit 9 (ADC input) |
| Broche 35 | PAD10 — Port AD bit 10 (ADC input) |
| Broche 36 | PAD11 — Port AD bit 11 (ADC input) |
| Broche 37 | PAD12 — Port AD bit 12 (ADC input) |
| Broche 38 | PAD13 — Port AD bit 13 (ADC input) |
| Broche 39 | PAD14 — Port AD bit 14 (ADC input) |
| Broche 40 | PAD15 — Port AD bit 15 (ADC input) |
| Broche 41 | VDD — Digital supply voltage |
| Broche 42 | VSS — Digital ground |
| Broche 43 | PM0 — Port M bit 0 |
| Broche 44 | PM1 — Port M bit 1 |
| Broche 45 | PM2 — Port M bit 2 |
| Broche 46 | PM3 — Port M bit 3 |
| Broche 47 | PM4 — Port M bit 4 |
| Broche 48 | PM5 — Port M bit 5 |
| Broche 49 | PM6 — Port M bit 6 |
| Broche 50 | PM7 — Port M bit 7 |
| Broche 51 | PJ0 — Port J bit 0 |
| Broche 52 | PJ1 — Port J bit 1 |
| Broche 53 | PJ2 — Port J bit 2 |
| Broche 54 | PJ3 — Port J bit 3 |
| Broche 55 | PJ4 — Port J bit 4 |
| Broche 56 | PJ5 — Port J bit 5 |
| Broche 57 | PJ6 — Port J bit 6 |
| Broche 58 | PJ7 — Port J bit 7 |
| Broche 59 | PK0 — Port K bit 0 |
| Broche 60 | PK1 — Port K bit 1 |
| Broche 61 | PK2 — Port K bit 2 |
| Broche 62 | PK3 — Port K bit 3 |
| Broche 63 | PK4 — Port K bit 4 |
| Broche 64 | PK5 — Port K bit 5 |
| Broche 65 | PK6 — Port K bit 6 |
| Broche 66 | PK7 — Port K bit 7 |
| Broche 67 | PS0/RXD0 — Port S bit 0 / SCI0 RX |
| Broche 68 | PS1/TXD0 — Port S bit 1 / SCI0 TX |
| Broche 69 | PS2/RXD1 — Port S bit 2 / SCI1 RX |
| Broche 70 | PS3/TXD1 — Port S bit 3 / SCI1 TX |
| Broche 71 | PS4/MISO0 — Port S bit 4 / SPI0 MISO |
| Broche 72 | PS5/MOSI0 — Port S bit 5 / SPI0 MOSI |
| Broche 73 | PS6/SCK0 — Port S bit 6 / SPI0 SCK |
| Broche 74 | PS7/SS0 — Port S bit 7 / SPI0 SS |
| Broche 75 | PT0/IOC0 — Port T bit 0 / timer channel 0 |
| Broche 76 | PT1/IOC1 — Port T bit 1 / timer channel 1 |
| Broche 77 | PT2/IOC2 — Port T bit 2 / timer channel 2 |
| Broche 78 | PT3/IOC3 — Port T bit 3 / timer channel 3 |
| Broche 79 | PT4/IOC4 — Port T bit 4 / timer channel 4 |
| Broche 80 | PT5/IOC5 — Port T bit 5 / timer channel 5 |
| Broche 81 | PT6/IOC6 — Port T bit 6 / timer channel 6 |
| Broche 82 | PT7/IOC7 — Port T bit 7 / timer channel 7 |
| Broche 83 | PWM0 — PWM channel 0 output |
| Broche 84 | PWM1 — PWM channel 1 output |
| Broche 85 | PWM2 — PWM channel 2 output |
| Broche 86 | PWM3 — PWM channel 3 output |
| Broche 87 | PWM4 — PWM channel 4 output |
| Broche 88 | PWM5 — PWM channel 5 output |
| Broche 89 | PWM6 — PWM channel 6 output |
| Broche 90 | PWM7 — PWM channel 7 output |
| Broche 91 | CAN0TX — CAN0 transmit output |
| Broche 92 | CAN0RX — CAN0 receive input |
| Broche 93 | CAN1TX — CAN1 transmit output |
| Broche 94 | CAN1RX — CAN1 receive input |
| Broche 95 | VDD — Digital supply voltage |
| Broche 96 | VSS — Digital ground |
| Broche 97 | PA0 — Port A bit 0 |
| Broche 98 | PA1 — Port A bit 1 |
| Broche 99 | PA2 — Port A bit 2 |
| Broche 100 | PA3 — Port A bit 3 |
| Broche 101 | PA4 — Port A bit 4 |
| Broche 102 | PA5 — Port A bit 5 |
| Broche 103 | PA6 — Port A bit 6 |
| Broche 104 | PA7 — Port A bit 7 |
| Broche 105 | PB0 — Port B bit 0 |
| Broche 106 | PB1 — Port B bit 1 |
| Broche 107 | PB2 — Port B bit 2 |
| Broche 108 | PB3 — Port B bit 3 |
| Broche 109 | PB4 — Port B bit 4 |
| Broche 110 | PB5 — Port B bit 5 |
| Broche 111 | PB6 — Port B bit 6 |
| Broche 112 | PB7 — Port B bit 7 |
| Broche 113 | PC0 — Port C bit 0 |
| Broche 114 | PC1 — Port C bit 1 |
| Broche 115 | PC2 — Port C bit 2 |
| Broche 116 | PC3 — Port C bit 3 |
| Broche 117 | PC4 — Port C bit 4 |
| Broche 118 | PC5 — Port C bit 5 |
| Broche 119 | PC6 — Port C bit 6 |
| Broche 120 | PC7 — Port C bit 7 |
| Broche 121 | PD0 — Port D bit 0 |
| Broche 122 | PD1 — Port D bit 1 |
| Broche 123 | PD2 — Port D bit 2 |
| Broche 124 | PD3 — Port D bit 3 |
| Broche 125 | PD4 — Port D bit 4 |
| Broche 126 | PD5 — Port D bit 5 |
| Broche 127 | PD6 — Port D bit 6 |
| Broche 128 | PD7 — Port D bit 7 |
| Broche 129 | PF0 — Port F bit 0 |
| Broche 130 | PF1 — Port F bit 1 |
| Broche 131 | PF2 — Port F bit 2 |
| Broche 132 | PF3 — Port F bit 3 |
| Broche 133 | PF4 — Port F bit 4 |
| Broche 134 | PF5 — Port F bit 5 |
| Broche 135 | PF6 — Port F bit 6 |
| Broche 136 | PF7 — Port F bit 7 |
| Broche 137 | VDD — Digital supply voltage |
| Broche 138 | VSS — Digital ground |
| Broche 139 | PG0 — Port G bit 0 |
| Broche 140 | PG1 — Port G bit 1 |
| Broche 141 | PG2 — Port G bit 2 |
| Broche 142 | PG3 — Port G bit 3 |
| Broche 143 | PG4 — Port G bit 4 |
| Broche 144 | PG5 — Port G bit 5 |
Applications typiques
S912XEQ512F0MAG convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour S912XEQ512F0MAG — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.
