S912XEG384F1VAG - 16-bit S12X MCU 384KB Flash | NXP | 144-LQFP
Référence : S912XEG384F1VAG ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $23.5 | $23,50 |
| 10 | $21.2 | $212,00 |
| 100 | $18.85 | $1 885,00 |
| 500 | $16.4 | $8 200,00 |
| 1 000 | $14.95 | $14 950,00 |
S912XEG384F1VAG Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripheral interfaces. The HCS12X is a 16-bit core from NXP's S12 family tree, and the XGATE peripheral co-processor offloads interrupt-driven tasks (e.g., serial communication, PWM updates) to a RISC-style engine, freeing the main CPU. Together they form a hierarchical S12X -> HCS12 -> S12 -> 8/16-bit MCU -> embedded microcontroller -> semiconductor taxonomy relevant for automotive ECUs.
Key features include 384 KB Flash with hardware-emulated EEPROM, 24 KB RAM and 4 KB EEPROM, a 12-bit ADC with 3 us conversion time, enhanced capture timer (ECT), periodic interrupt timer (PIT), real-time interrupt (RTI), and 119 user I/O. Connectivity peripherals include CANbus, SCI, SPI, I2C, and IrDA. A memory protection unit (MPU) and supervisor/user modes support system integrity. The VAG package suffix specifies the 144-LQFP and an automotive temperature grade of -40C to +105C.
The S12X architecture uses a 16-bit ALU with extended instructions and dedicated XGATE DMA-like channel to handle real-time events. Flash read-while-write capability allows live firmware updates. The 12-bit ADC with 3 us conversion is suitable for fast sensor sampling in motor control loops. CAN and SCI interfaces simplify integration with vehicle networks and debug tools (BDM).
Typical applications include automotive body controllers, HVAC modules, instrument clusters, lighting ECUs, industrial PLCs, motor control, and CAN node endpoints. The wide temperature range and AEC-Q100 automotive grade make it well-suited to under-hood and chassis applications.
Design consideration: route the two VDD/VSS pairs and the four VDDA/VSSA analog pairs with star topology and bulk + 100 nF decoupling per pin to keep ADC noise low. Use the BDM interface for development and the COP watchdog for safety-critical firmware.
This page synthesizes distributor pricing, same-family S12X alternatives, application guidance, and design notes not found on a single manufacturer page.
Alternatives de remplacement direct pour S912XEG384F1VAG — 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 S912XEG384F1VAG (même facteur de forme et même empreinte) — différant par Package, ADC, Mounting Type, Operating Temperature, Supply Voltage.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
S912XEG384J3CAGR
✅ Remplacement direct✓ En stock
$11.65 / unité
Voir la fiche technique →S912XEG384J2CALR
✅ Remplacement direct✓ En stock
$9.1 / unité
Voir la fiche technique →S912XEG384F1VALR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S12XEG128MAA
✅ Remplacement direct✓ En stock
$8.9 / unité
Voir la fiche technique →S912XEQ512J2MAL
✅ Remplacement direct✓ En stock
$17.95 / unité
Voir la fiche technique →S912XEG384F1VAG Valeurs maximales et caractéristiques électriques
| Core Processor | HCS12X |
| Core Size | 16-Bit |
| Bus Speed | 50 MHz |
| Program Memory Size | 384 KB (384K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 24 KB |
| EEPROM Size | 4 KB |
| Number of I/O | 119 |
| Supply Voltage Range | 1.72 V to 5.5 V |
| Température de fonctionnement | -40C to +105C |
| ADC | 12-bit, 3 us conversion time |
| Connectivity | CANbus, EBI/EMI, I2C, IrDA, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT (COP) |
| Data Converters | 12-bit ADC |
| Co-Processor | XGATE |
| Memory Protection Unit | Yes (supervisor/user modes) |
| Boîtier | 144-LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| Automotive Qualified | Yes |
| Statut RoHS | Compliant |
Configuration des broches de S912XEG384F1VAG
| Broche 1 | PE0 — Port E I/O / XIRQ interrupt |
| Broche 2 | PE1 — Port E I/O / IRQ interrupt |
| Broche 3 | PE2 — Port E I/O / TCLK input |
| Broche 4 | PE3 — Port E I/O |
| Broche 5 | PE4 — Port E I/O |
| Broche 6 | PE5 — Port E I/O |
| Broche 7 | PE6 — Port E I/O |
| Broche 8 | PE7 — Port E I/O |
| Broche 9 | VSS — Ground (digital) |
| Broche 10 | VDD — Digital supply (1.8V-5.5V) |
| Broche 11 | BKGD — Background Debug Mode pin |
| Broche 12 | RESET — External reset input (active low) |
| Broche 13 | TEST — Test mode (tie to VSS) |
| Broche 14 | VDDR — Regulator supply |
| Broche 15 | VSSX — Oscillator ground |
| Broche 16 | EXTAL — External oscillator input |
| Broche 17 | XTAL — External oscillator output |
| Broche 18 | VSSPLL — PLL ground |
| Broche 19 | VDDPLL — PLL supply |
| Broche 20 | PAD0 — Port AD I/O / AN0 |
| Broche 21 | PAD1 — Port AD I/O / AN1 |
| Broche 22 | PAD2 — Port AD I/O / AN2 |
| Broche 23 | PAD3 — Port AD I/O / AN3 |
| Broche 24 | PAD4 — Port AD I/O / AN4 |
| Broche 25 | PAD5 — Port AD I/O / AN5 |
| Broche 26 | PAD6 — Port AD I/O / AN6 |
| Broche 27 | PAD7 — Port AD I/O / AN7 |
| Broche 28 | PAD8 — Port AD I/O / AN8 |
| Broche 29 | PAD9 — Port AD I/O / AN9 |
| Broche 30 | PAD10 — Port AD I/O / AN10 |
| Broche 31 | PAD11 — Port AD I/O / AN11 |
| Broche 32 | PAD12 — Port AD I/O / AN12 |
| Broche 33 | PAD13 — Port AD I/O / AN13 |
| Broche 34 | PAD14 — Port AD I/O / AN14 |
| Broche 35 | PAD15 — Port AD I/O / AN15 |
| Broche 36 | VSSA — Analog ground |
| Broche 37 | VDDA — Analog supply (1.8V-5.5V) |
| Broche 38 | VRL — ADC reference low |
| Broche 39 | VRH — ADC reference high |
| Broche 40 | PS0 — Port S I/O / SCI0_TX |
| Broche 41 | PS1 — Port S I/O / SCI0_RX |
| Broche 42 | PS2 — Port S I/O / SPI0_SCK |
| Broche 43 | PS3 — Port S I/O / SPI0_MOSI |
| Broche 44 | PS4 — Port S I/O / SPI0_MISO |
| Broche 45 | PS5 — Port S I/O / SPI0_SS |
| Broche 46 | PS6 — Port S I/O |
| Broche 47 | PS7 — Port S I/O |
| Broche 48 | PT0 — Port T I/O / ECT channel 0 |
| Broche 49 | PT1 — Port T I/O / ECT channel 1 |
| Broche 50 | PT2 — Port T I/O / ECT channel 2 |
| Broche 51 | PT3 — Port T I/O / ECT channel 3 |
| Broche 52 | PT4 — Port T I/O / ECT channel 4 |
| Broche 53 | PT5 — Port T I/O / ECT channel 5 |
| Broche 54 | PT6 — Port T I/O / ECT channel 6 |
| Broche 55 | PT7 — Port T I/O / ECT channel 7 |
| Broche 56 | VSS — Ground (digital) |
| Broche 57 | VDD — Digital supply |
| Broche 58 | PJ0 — Port J I/O / SCL |
| Broche 59 | PJ1 — Port J I/O / SDA |
| Broche 60 | PJ2 — Port J I/O / TxCAN |
| Broche 61 | PJ3 — Port J I/O / RxCAN |
| Broche 62 | PJ4 — Port J I/O |
| Broche 63 | PJ5 — Port J I/O |
| Broche 64 | PJ6 — Port J I/O |
| Broche 65 | PJ7 — Port J I/O |
| Broche 66 | PK0 — Port K I/O / PWM channel |
| Broche 67 | PK1 — Port K I/O / PWM channel |
| Broche 68 | PK2 — Port K I/O / PWM channel |
| Broche 69 | PK3 — Port K I/O / PWM channel |
| Broche 70 | PK4 — Port K I/O / PWM channel |
| Broche 71 | PK5 — Port K I/O / PWM channel |
| Broche 72 | PK6 — Port K I/O / PWM channel |
| Broche 73 | PK7 — Port K I/O / PWM channel |
| Broche 74 | PA0 — Port A I/O / address/data |
| Broche 75 | PA1 — Port A I/O / address/data |
| Broche 76 | PA2 — Port A I/O / address/data |
| Broche 77 | PA3 — Port A I/O / address/data |
| Broche 78 | PA4 — Port A I/O / address/data |
| Broche 79 | PA5 — Port A I/O / address/data |
| Broche 80 | PA6 — Port A I/O / address/data |
| Broche 81 | PA7 — Port A I/O / address/data |
| Broche 82 | PB0 — Port B I/O / address |
| Broche 83 | PB1 — Port B I/O / address |
| Broche 84 | PB2 — Port B I/O / address |
| Broche 85 | PB3 — Port B I/O / address |
| Broche 86 | PB4 — Port B I/O / address |
| Broche 87 | PB5 — Port B I/O / address |
| Broche 88 | PB6 — Port B I/O / address |
| Broche 89 | PB7 — Port B I/O / address |
| Broche 90 | PC0 — Port C I/O / data |
| Broche 91 | PC1 — Port C I/O / data |
| Broche 92 | PC2 — Port C I/O / data |
| Broche 93 | PC3 — Port C I/O / data |
| Broche 94 | PC4 — Port C I/O / data |
| Broche 95 | PC5 — Port C I/O / data |
| Broche 96 | PC6 — Port C I/O / data |
| Broche 97 | PC7 — Port C I/O / data |
| Broche 98 | VSS — Ground (digital) |
| Broche 99 | VDD — Digital supply |
| Broche 100 | PM0 — Port M I/O |
| Broche 101 | PM1 — Port M I/O |
| Broche 102 | PM2 — Port M I/O |
| Broche 103 | PM3 — Port M I/O |
| Broche 104 | PM4 — Port M I/O |
| Broche 105 | PM5 — Port M I/O |
| Broche 106 | PM6 — Port M I/O |
| Broche 107 | PM7 — Port M I/O |
| Broche 108 | PP0 — Port P I/O / PWM |
| Broche 109 | PP1 — Port P I/O / PWM |
| Broche 110 | PP2 — Port P I/O / PWM |
| Broche 111 | PP3 — Port P I/O / PWM |
| Broche 112 | PP4 — Port P I/O / PWM |
| Broche 113 | PP5 — Port P I/O / PWM |
| Broche 114 | PP6 — Port P I/O / PWM |
| Broche 115 | PP7 — Port P I/O / PWM |
| Broche 116 | PQ0 — Port Q I/O |
| Broche 117 | PQ1 — Port Q I/O |
| Broche 118 | PQ2 — Port Q I/O |
| Broche 119 | PQ3 — Port Q I/O |
| Broche 120 | PQ4 — Port Q I/O |
| Broche 121 | PQ5 — Port Q I/O |
| Broche 122 | PQ6 — Port Q I/O |
| Broche 123 | PQ7 — Port Q I/O |
| Broche 124 | VSS — Ground (digital) |
| Broche 125 | VDD — Digital supply |
| Broche 126 | PS0 — Port S I/O (alternate) |
| Broche 127 | PS1 — Port S I/O (alternate) |
| Broche 128 | PH0 — Port H I/O / SPI1 |
| Broche 129 | PH1 — Port H I/O / SPI1 |
| Broche 130 | PH2 — Port H I/O / SPI1 |
| Broche 131 | PH3 — Port H I/O / SPI1 |
| Broche 132 | PH4 — Port H I/O / SPI1 |
| Broche 133 | PH5 — Port H I/O / SPI1 |
| Broche 134 | PH6 — Port H I/O / SPI1 |
| Broche 135 | PH7 — Port H I/O / SPI1 |
| Broche 136 | PI0 — Port I I/O |
| Broche 137 | PI1 — Port I I/O |
| Broche 138 | PI2 — Port I I/O |
| Broche 139 | PI3 — Port I I/O |
| Broche 140 | PI4 — Port I I/O |
| Broche 141 | PI5 — Port I I/O |
| Broche 142 | PI6 — Port I I/O |
| Broche 143 | PI7 — Port I I/O |
| Broche 144 | NC — Not connected (per datasheet) |
Applications typiques
S912XEG384F1VAG convient pour 6 applications: Automotive Body Control Module, Instrument Cluster Controller, HVAC Control Module, Industrial CAN Node Endpoint, Lighting ECU (LED Headlamp / Tail Lamp), Automotive Chassis / Suspension Node.
Automotive Body Control Module
The S912XEG384F1VAG is well-suited for body control modules (BCM) that aggregate door, seat, mirror, lighting, and wiper functions. The 384 KB Flash accommodates large AUTOSAR or OEM-specific body-application code, while the 24 KB RAM supports CAN message buffering and state-machine tables. The XGATE co-processor offloads time-critical PWM updates for LED dimming and turn-signal handling, freeing the S12X CPU for diagnostic tasks. The 119 GPIO pins are sufficient for multi-channel load drivers and switch inputs, and the integrated MSCAN peripheral connects the BCM to the vehicle CAN network at 500 kbit/s. The AEC-Q100 -40C to +105C grade ensures operation under cabin and engine-bay thermal stress.
Recommandé
Instrument Cluster Controller
For instrument clusters driving stepper-motor gauges and TFT displays, the S912XEG384F1VAG provides the precise timing needed to update pointer positions smoothly. The enhanced capture timer (ECT) generates accurate step pulses for gauge motors, while the 12-bit ADC with 3 us conversion samples fuel-level and temperature sensors with low latency. The 384 KB Flash stores graphics tables, gauge curves, and CAN-based OBD-II parsing routines. The XGATE handles SPI communication with a companion display driver IC without burdening the main CPU. Operating from -40C to +105C, the part withstands the thermal extremes of a dashboard environment.
Recommandé
HVAC Control Module
The S912XEG384F1VAG is a strong fit for HVAC modules that read temperature, humidity, and blower-speed sensors and drive stepper-motor air-blend doors. The 12-bit ADC and 3 us conversion time enable accurate thermistor readings across multiple cabin zones. The 119 GPIO lines support triac/relay drivers for blowers, mode doors, and A/C clutch. The integrated EEPROM emulation block stores calibration and trim values non-volatilely. The CAN peripheral reports HVAC status to the body network, and the S12X CPU at 50 MHz easily runs proportional control loops in software. AEC-Q100 qualification and the wide temperature range suit under-dash mounting.
Recommandé
Industrial CAN Node Endpoint
In industrial CANopen or DeviceNet networks, the S912XEG384F1VAG functions as a robust node-endpoint controller for sensors and actuators. The MSCAN peripheral provides CAN 2.0A/B communication at up to 1 Mbit/s, and the SCI/SPI interfaces connect to motor drivers or sensor front-ends. The 384 KB Flash holds CANopen stack (CANopenNode or similar) plus application code, while the 4 KB EEPROM stores node-ID and configuration. The -40C to +105C grade and 1.8V-5.5V supply enable use in factory-floor cabinets. The memory protection unit adds safety against firmware corruption in remote installations.
Recommandé
Lighting ECU (LED Headlamp / Tail Lamp)
The S912XEG384F1VAG drives modern LED headlamps and tail lamps that require per-channel PWM dimming and fault diagnostics. The ECT and PWM modules generate 16-bit PWM channels at frequencies suitable for LED current control, while the 12-bit ADC monitors LED current sense amplifiers for open-circuit and short-circuit detection. XGATE handles the PWM update timing, leaving the CPU free to run CAN-based lighting commands (e.g., adaptive driving beam). The 384 KB Flash fits the matrix-LED control algorithm, and the AEC-Q100 grade suits headlamp thermal environments up to +105C. SPI interfaces connect to LED driver ASICs such as NXP's PCA series.
Recommandé
Automotive Chassis / Suspension Node
For active suspension, electric power steering, or brake-by-wire sensor nodes, the S912XEG384F1VAG offers deterministic interrupt response via XGATE and a memory protection unit for functional-safety partitioning. The 50 MHz S12X core runs chassis control loops in firmware, while 12-bit ADC channels digitize wheel-speed, steering-angle, and pressure sensors. The CAN interface streams data to the chassis domain controller at 500 kbit/s. The 119 GPIOs support multiple sensor inputs and solenoid/PWM outputs. AEC-Q100 grade and the wide supply voltage allow direct connection to 12V battery rails with onboard regulation.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour S912XEG384F1VAG — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | S912XEG384J3CAGR | S912XEG384J2CALR | S912XEG384F1VALR | MC9S12XEG128MAA | S912XEQ512J2MAL |
|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) |
| Bus Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 100 MHz |
| Flash Memory | 384 KB | 384 KB | 384 KB | 384 KB | 128 KB | 512 KB |
| RAM | 24 KB | 24 KB | 24 KB | 24 KB | 12 KB | 32 KB |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| CAN Peripherals | Yes (MSCAN) | Yes | Yes | Yes | Yes | Yes (x2 MSCAN) |
| XGATE Co-Processor | Yes | Yes | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- XGATE co-processor offloads interrupts (vs MC9S12DP512CPVER)
- 144-LQFP matches body-controller pinout density (vs MC9S12XEG128MAA)
- F1 mask + 50 MHz bus for cost-sensitive designs (vs S912XEQ512J2MAL)
Notes de conception
Estimated: the S912XEG384F1VAG draws roughly 50-80 mA active at 50 MHz with all peripherals running. Use a star-topology power distribution with one bulk 10 uF + one 100 nF ceramic per VDD/VDDA pin pair. Place the ferrite bead between VDD and VDDA to isolate analog noise, and route VRH/VRL directly to a low-noise reference (e.g., REF3130) rather than the digital rail. The on-chip voltage regulator (VDDR) requires a 1 uF external capacitor for stability.
The 144-LQFP (20x20 mm, 0.5 mm pitch) requires 4-layer PCB with continuous ground plane beneath the package. Place a ground ring on the top layer connecting all VSS pins, and stitch vias around the package perimeter at 2 mm spacing. Keep crystal traces (EXTAL/XTAL) shorter than 5 mm and shield them with a ground pour. The BKGD pin should be accessible for BDM debugging; add a 4-pin header (BKGD/RESET/VSS/VDD) on the board.
Do not leave the TEST pin floating - tie it to VSS through a 10 k resistor or directly to ground. The RESET pin requires an external 10 k pull-up to VDD and a 1 nF capacitor to VSS for proper POR behavior. Avoid using PJ2/PJ3 (TxCAN/RxCAN) as GPIO when CAN is active. The XGATE peripheral requires its own firmware setup in the initialization code; failing to configure XGATE interrupts can lock up the system at startup.
Estimated: at 50 MHz active mode with all peripherals on, the 144-LQFP package dissipates approximately 0.5-0.7 W. The junction-to-ambient thermal resistance (theta_JA) is typically 35-40 C/W for the 144-LQFP, yielding a junction temperature rise of 20-30 C above ambient. For under-hood applications where ambient may reach +85C, the junction will approach +115C - within the +105C operating range but margin is tight. Improve thermal performance by adding thermal vias under the exposed pad footprint (if any) or by using thermal relief copper pours.
Informations de conformité
RoHS and REACH compliant per NXP product page. AEC-Q100 qualified for automotive applications. Halogen-free status not specified in available data.