S912XEQ512F0MAG - 16-bit MCU, 512KB Flash, 50MHz, AEC-Q100 | NXP
MPN: S912XEQ512F0MAG ✓ AktifS912XEQ512F0MAG Ringkasan
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.
Alternatif penggantian untuk S912XEQ512F0MAG — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian S912XEQ512F0MAG (sama faktor bentuk dan footprint) — berbeda di dalam Package, Operating Temperature, Timers, Co-processor, Core.
S912XET512J2VAGR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEG384J2VAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEG256J2CAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XEQ384CAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XDT512MAA
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XEP768CAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEQ512F0MAG Rating Maksimal & Karakteristik Listrik
| 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 |
| Paket | LQFP-144 (LFQFP) |
| Terminal Form | Gull-wing |
| Tipe Mounting | Surface Mount |
| Temperature Grade | Automotive, -40C to +125C |
| Qualification | AEC-Q100 |
| Tegangan Pemuat | 1.8 V (core logic reference) |
| Status RoHS | Compliant |
Konfigurasi Pin S912XEQ512F0MAG
| Pin produk 1 | PE0/XIRQ — Port E bit 0 / external interrupt |
| Pin produk 2 | PE1/IRQ — Port E bit 1 / interrupt request |
| Pin produk 3 | PE2 — Port E bit 2 |
| Pin produk 4 | PE3 — Port E bit 3 |
| Pin produk 5 | PE4 — Port E bit 4 |
| Pin produk 6 | PE5/MODA — Port E bit 5 / mode select A |
| Pin produk 7 | PE6/MODB — Port E bit 6 / mode select B |
| Pin produk 8 | PE7/MODC — Port E bit 7 / mode select C |
| Pin produk 9 | BKGD — Background debug mode pin |
| Pin produk 10 | RESET — External reset input |
| Pin produk 11 | TEST — Test mode pin (must be tied to VSS) |
| Pin produk 12 | VDDR — Voltage regulator supply |
| Pin produk 13 | VSS — Digital ground |
| Pin produk 14 | VDD — Digital supply voltage |
| Pin produk 15 | VSS — Digital ground |
| Pin produk 16 | VDDPLL — PLL supply voltage |
| Pin produk 17 | VSSPLL — PLL ground |
| Pin produk 18 | XTAL — Crystal oscillator input |
| Pin produk 19 | EXTAL — External clock input |
| Pin produk 20 | XFC — PLL external filter capacitor |
| Pin produk 21 | VDDA — Analog supply voltage |
| Pin produk 22 | VSSA — Analog ground |
| Pin produk 23 | VRH — ADC high reference voltage |
| Pin produk 24 | VRL — ADC low reference voltage |
| Pin produk 25 | PAD00 — Port AD bit 0 (ADC input) |
| Pin produk 26 | PAD01 — Port AD bit 1 (ADC input) |
| Pin produk 27 | PAD02 — Port AD bit 2 (ADC input) |
| Pin produk 28 | PAD03 — Port AD bit 3 (ADC input) |
| Pin produk 29 | PAD04 — Port AD bit 4 (ADC input) |
| Pin produk 30 | PAD05 — Port AD bit 5 (ADC input) |
| Pin produk 31 | PAD06 — Port AD bit 6 (ADC input) |
| Pin produk 32 | PAD07 — Port AD bit 7 (ADC input) |
| Pin produk 33 | PAD08 — Port AD bit 8 (ADC input) |
| Pin produk 34 | PAD09 — Port AD bit 9 (ADC input) |
| Pin produk 35 | PAD10 — Port AD bit 10 (ADC input) |
| Pin produk 36 | PAD11 — Port AD bit 11 (ADC input) |
| Pin produk 37 | PAD12 — Port AD bit 12 (ADC input) |
| Pin produk 38 | PAD13 — Port AD bit 13 (ADC input) |
| Pin produk 39 | PAD14 — Port AD bit 14 (ADC input) |
| Pin produk 40 | PAD15 — Port AD bit 15 (ADC input) |
| Pin produk 41 | VDD — Digital supply voltage |
| Pin produk 42 | VSS — Digital ground |
| Pin produk 43 | PM0 — Port M bit 0 |
| Pin produk 44 | PM1 — Port M bit 1 |
| Pin produk 45 | PM2 — Port M bit 2 |
| Pin produk 46 | PM3 — Port M bit 3 |
| Pin produk 47 | PM4 — Port M bit 4 |
| Pin produk 48 | PM5 — Port M bit 5 |
| Pin produk 49 | PM6 — Port M bit 6 |
| Pin produk 50 | PM7 — Port M bit 7 |
| Pin produk 51 | PJ0 — Port J bit 0 |
| Pin produk 52 | PJ1 — Port J bit 1 |
| Pin produk 53 | PJ2 — Port J bit 2 |
| Pin produk 54 | PJ3 — Port J bit 3 |
| Pin produk 55 | PJ4 — Port J bit 4 |
| Pin produk 56 | PJ5 — Port J bit 5 |
| Pin produk 57 | PJ6 — Port J bit 6 |
| Pin produk 58 | PJ7 — Port J bit 7 |
| Pin produk 59 | PK0 — Port K bit 0 |
| Pin produk 60 | PK1 — Port K bit 1 |
| Pin produk 61 | PK2 — Port K bit 2 |
| Pin produk 62 | PK3 — Port K bit 3 |
| Pin produk 63 | PK4 — Port K bit 4 |
| Pin produk 64 | PK5 — Port K bit 5 |
| Pin produk 65 | PK6 — Port K bit 6 |
| Pin produk 66 | PK7 — Port K bit 7 |
| Pin produk 67 | PS0/RXD0 — Port S bit 0 / SCI0 RX |
| Pin produk 68 | PS1/TXD0 — Port S bit 1 / SCI0 TX |
| Pin produk 69 | PS2/RXD1 — Port S bit 2 / SCI1 RX |
| Pin produk 70 | PS3/TXD1 — Port S bit 3 / SCI1 TX |
| Pin produk 71 | PS4/MISO0 — Port S bit 4 / SPI0 MISO |
| Pin produk 72 | PS5/MOSI0 — Port S bit 5 / SPI0 MOSI |
| Pin produk 73 | PS6/SCK0 — Port S bit 6 / SPI0 SCK |
| Pin produk 74 | PS7/SS0 — Port S bit 7 / SPI0 SS |
| Pin produk 75 | PT0/IOC0 — Port T bit 0 / timer channel 0 |
| Pin produk 76 | PT1/IOC1 — Port T bit 1 / timer channel 1 |
| Pin produk 77 | PT2/IOC2 — Port T bit 2 / timer channel 2 |
| Pin produk 78 | PT3/IOC3 — Port T bit 3 / timer channel 3 |
| Pin produk 79 | PT4/IOC4 — Port T bit 4 / timer channel 4 |
| Pin produk 80 | PT5/IOC5 — Port T bit 5 / timer channel 5 |
| Pin produk 81 | PT6/IOC6 — Port T bit 6 / timer channel 6 |
| Pin produk 82 | PT7/IOC7 — Port T bit 7 / timer channel 7 |
| Pin produk 83 | PWM0 — PWM channel 0 output |
| Pin produk 84 | PWM1 — PWM channel 1 output |
| Pin produk 85 | PWM2 — PWM channel 2 output |
| Pin produk 86 | PWM3 — PWM channel 3 output |
| Pin produk 87 | PWM4 — PWM channel 4 output |
| Pin produk 88 | PWM5 — PWM channel 5 output |
| Pin produk 89 | PWM6 — PWM channel 6 output |
| Pin produk 90 | PWM7 — PWM channel 7 output |
| Pin produk 91 | CAN0TX — CAN0 transmit output |
| Pin produk 92 | CAN0RX — CAN0 receive input |
| Pin produk 93 | CAN1TX — CAN1 transmit output |
| Pin produk 94 | CAN1RX — CAN1 receive input |
| Pin produk 95 | VDD — Digital supply voltage |
| Pin produk 96 | VSS — Digital ground |
| Pin produk 97 | PA0 — Port A bit 0 |
| Pin produk 98 | PA1 — Port A bit 1 |
| Pin produk 99 | PA2 — Port A bit 2 |
| Pin produk 100 | PA3 — Port A bit 3 |
| Pin produk 101 | PA4 — Port A bit 4 |
| Pin produk 102 | PA5 — Port A bit 5 |
| Pin produk 103 | PA6 — Port A bit 6 |
| Pin produk 104 | PA7 — Port A bit 7 |
| Pin produk 105 | PB0 — Port B bit 0 |
| Pin produk 106 | PB1 — Port B bit 1 |
| Pin produk 107 | PB2 — Port B bit 2 |
| Pin produk 108 | PB3 — Port B bit 3 |
| Pin produk 109 | PB4 — Port B bit 4 |
| Pin produk 110 | PB5 — Port B bit 5 |
| Pin produk 111 | PB6 — Port B bit 6 |
| Pin produk 112 | PB7 — Port B bit 7 |
| Pin produk 113 | PC0 — Port C bit 0 |
| Pin produk 114 | PC1 — Port C bit 1 |
| Pin produk 115 | PC2 — Port C bit 2 |
| Pin produk 116 | PC3 — Port C bit 3 |
| Pin produk 117 | PC4 — Port C bit 4 |
| Pin produk 118 | PC5 — Port C bit 5 |
| Pin produk 119 | PC6 — Port C bit 6 |
| Pin produk 120 | PC7 — Port C bit 7 |
| Pin produk 121 | PD0 — Port D bit 0 |
| Pin produk 122 | PD1 — Port D bit 1 |
| Pin produk 123 | PD2 — Port D bit 2 |
| Pin produk 124 | PD3 — Port D bit 3 |
| Pin produk 125 | PD4 — Port D bit 4 |
| Pin produk 126 | PD5 — Port D bit 5 |
| Pin produk 127 | PD6 — Port D bit 6 |
| Pin produk 128 | PD7 — Port D bit 7 |
| Pin produk 129 | PF0 — Port F bit 0 |
| Pin produk 130 | PF1 — Port F bit 1 |
| Pin produk 131 | PF2 — Port F bit 2 |
| Pin produk 132 | PF3 — Port F bit 3 |
| Pin produk 133 | PF4 — Port F bit 4 |
| Pin produk 134 | PF5 — Port F bit 5 |
| Pin produk 135 | PF6 — Port F bit 6 |
| Pin produk 136 | PF7 — Port F bit 7 |
| Pin produk 137 | VDD — Digital supply voltage |
| Pin produk 138 | VSS — Digital ground |
| Pin produk 139 | PG0 — Port G bit 0 |
| Pin produk 140 | PG1 — Port G bit 1 |
| Pin produk 141 | PG2 — Port G bit 2 |
| Pin produk 142 | PG3 — Port G bit 3 |
| Pin produk 143 | PG4 — Port G bit 4 |
| Pin produk 144 | PG5 — Port G bit 5 |
Aplikasi Umum
S912XEQ512F0MAG cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk S912XEQ512F0MAG — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Higher 50 MHz CPU speed compared to F1-grade variants (vsS912XEQ512F1MALR)
- 512 KB Flash at full 144-pin LQFP with AEC-Q100 (vsS912XEG256J2CAL)
- Extended automotive temperature grade -40C to +125C (vsS912XEQ512J3VAG)
Catatan Desain
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.
Informasi Konformitas
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.
