S912XDG128F2VAA - 16-bit S12X MCU 128KB Flash 80MHz 80-QFP | NXP
MPN: S912XDG128F2VAA ⚠ רכישה אחרונהS912XDG128F2VAA סקירה
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (typically Flash), working memory (RAM), non-volatile data storage (EEPROM), and a configurable set of digital and analog peripherals. The S12X family sits within NXP's broader S12 portfolio (S08 -> S12 -> S12X -> S12XE -> S12XS), itself part of the Freescale/NXP 16-bit automotive MCU hierarchy. S12X MCUs are deployed in body and chassis ECUs where deterministic interrupt latency, robust on-chip Flash, and AEC-Q100 reliability are required.
The S912XDG128F2VAA differentiates itself through its XGATE co-processor, an auxiliary RISC engine that offloads interrupt-driven tasks from the main S12X CPU, freeing the CPU for application logic. Combined with up to 8 KB EEPROM and a 10-bit successive-approximation ADC, this part is suited to logic and control applications where deterministic response to peripheral events is mandatory. The 80-QFP package provides generous I/O count for body, chassis, and HVAC ECUs.
Typical applications include automotive body control modules, instrument clusters, HVAC climate controllers, and industrial CAN-node controllers where the S12X's robust CAN/CAN-FD peripherals and large Flash programming form the headroom for layered AUTOSAR or customer-specific software stacks. Designers moving from older HCS12 parts benefit from binary code compatibility for most peripherals.
Key design considerations include supply rail decoupling at each VDD/VSS pair, crystal load capacitor selection per the oscillator datasheet, and ensuring the BGND pin is pulled high during normal operation to avoid accidental background-debug-mode entry. The wide automotive temperature range requires derating timing budgets for the worst-case corner.
This page consolidates distributor pricing, qualified drop-in variants within the S12X family, and practical design notes derived from the manufacturer datasheet - data not found on any single distributor or competitor page.
חלופות תחליף ישיר עבור S912XDG128F2VAA — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם S912XDG128F2VAA (אותו גורם צורה וטביעת רגל) — שונים ב Package, Mounting Type, Core, Core Architecture, Operating Temperature.
S912XDT256F1MAL
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEQ512J2MAL
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEQ512J2MALR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XET512J3MAG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEG384J2CALR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEG384J3CAGR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEQ384J3CALR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XDG128F2VAA דירוגים מרביים ומאפיינים חשמליים
| Manufacturer | NXP Semiconductors |
| Series | HCS12X S12X |
| Core | HCS12X (16-bit S12X CPU with XGATE co-processor) |
| Core Size | 16-Bit |
| CPU Speed | 80 MHz |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| מארז | 80-LQFP (14x14 mm) |
| טמפרטורת פעולה | -40C to +105C |
| סוג הרכבה | Surface Mount |
| Peripherals | POR, PWM, SCI, SPI, I2C, CAN, Timers, ADC |
| ADC | 10-bit successive-approximation |
| Connectivity | CAN, SCI (UART), SPI, I2C |
| Automotive Qualified | Yes (AEC-Q100, -40C to +105C) |
תצורת פינים של S912XDG128F2VAA
| פין 1 | PP0 — Port PP0 / PWM channel / generic I/O |
| פין 2 | PP1 — Port PP1 / PWM channel / generic I/O |
| פין 3 | PP2 — Port PP2 / PWM channel / generic I/O |
| פין 4 | PP3 — Port PP3 / PWM channel / generic I/O |
| פין 5 | PP4 — Port PP4 / PWM channel / generic I/O |
| פין 6 | PP5 — Port PP5 / PWM channel / generic I/O |
| פין 7 | PP6 — Port PP6 / PWM channel / generic I/O |
| פין 8 | PP7 — Port PP7 / PWM channel / generic I/O |
| פין 9 | VDDR — Voltage regulator supply |
| פין 10 | VDD — Digital supply voltage |
| פין 11 | VSS — Digital ground |
| פין 12 | VDDF — Flash supply voltage |
| פין 13 | VSSF — Flash ground |
| פין 14 | BKGD — Background Debug Mode pin |
| פין 15 | RESET — External reset input (active low) |
| פין 16 | XIRQ — Non-maskable interrupt input |
| פין 17 | IRQ — Maskable interrupt input |
| פין 18 | PAD0 — Port AD0 / ADC input |
| פין 19 | PAD1 — Port AD1 / ADC input |
| פין 20 | PAD2 — Port AD2 / ADC input |
| פין 21 | PAD3 — Port AD3 / ADC input |
| פין 22 | PAD4 — Port AD4 / ADC input |
| פין 23 | PAD5 — Port AD5 / ADC input |
| פין 24 | PAD6 — Port AD6 / ADC input |
| פין 25 | PAD7 — Port AD7 / ADC input |
| פין 26 | PAD8 — Port AD8 / ADC input |
| פין 27 | PAD9 — Port AD9 / ADC input |
| פין 28 | PAD10 — Port AD10 / ADC input |
| פין 29 | PAD11 — Port AD11 / ADC input |
| פין 30 | PAD12 — Port AD12 / ADC input |
| פין 31 | PAD13 — Port AD13 / ADC input |
| פין 32 | PAD14 — Port AD14 / ADC input |
| פין 33 | PAD15 — Port AD15 / ADC input |
| פין 34 | VDDA — Analog supply voltage |
| פין 35 | VSSA — Analog ground |
| פין 36 | VRH — ADC reference high |
| פין 37 | VRL — ADC reference low |
| פין 38 | PT0 — Port T0 / IOC timer channel |
| פין 39 | PT1 — Port T1 / IOC timer channel |
| פין 40 | PT2 — Port T2 / IOC timer channel |
| פין 41 | PT3 — Port T3 / IOC timer channel |
| פין 42 | PT4 — Port T4 / IOC timer channel |
| פין 43 | PT5 — Port T5 / IOC timer channel |
| פין 44 | PT6 — Port T6 / IOC timer channel |
| פין 45 | PT7 — Port T7 / IOC timer channel |
| פין 46 | PS0 — Port S0 / SPI / SCI |
| פין 47 | PS1 — Port S1 / SPI / SCI |
| פין 48 | PS2 — Port S2 / SPI / SCI |
| פין 49 | PS3 — Port S3 / SPI / SCI |
| פין 50 | PS4 — Port S4 / SPI / SCI |
| פין 51 | PS5 — Port S5 / SPI / SCI |
| פין 52 | PS6 — Port S6 / SPI / SCI |
| פין 53 | PS7 — Port S7 / SPI / SCI |
| פין 54 | PM0 — Port M0 / CAN / generic I/O |
| פין 55 | PM1 — Port M1 / CAN / generic I/O |
| פין 56 | PM2 — Port M2 / CAN / generic I/O |
| פין 57 | PM3 — Port M3 / CAN / generic I/O |
| פין 58 | PM4 — Port M4 / CAN / generic I/O |
| פין 59 | PM5 — Port M5 / CAN / generic I/O |
| פין 60 | PM6 — Port M6 / CAN / generic I/O |
| פין 61 | PM7 — Port M7 / CAN / generic I/O |
| פין 62 | PJ0 — Port J0 / I2C / generic I/O |
| פין 63 | PJ1 — Port J1 / I2C / generic I/O |
| פין 64 | PJ2 — Port J2 / generic I/O |
| פין 65 | PJ3 — Port J3 / generic I/O |
| פין 66 | PJ4 — Port J4 / generic I/O |
| פין 67 | PJ5 — Port J5 / generic I/O |
| פין 68 | PJ6 — Port J6 / generic I/O |
| פין 69 | PJ7 — Port J7 / generic I/O |
| פין 70 | PK0 — Port K0 / generic I/O |
| פין 71 | PK1 — Port K1 / generic I/O |
| פין 72 | PK2 — Port K2 / generic I/O |
| פין 73 | PK3 — Port K3 / generic I/O |
| פין 74 | PK4 — Port K4 / generic I/O |
| פין 75 | PK5 — Port K5 / generic I/O |
| פין 76 | PK6 — Port K6 / generic I/O |
| פין 77 | PK7 — Port K7 / generic I/O |
| פין 78 | EXTAL — External oscillator input |
| פין 79 | XTAL — External oscillator output |
| פין 80 | TEST — Test pin (must be tied to VSS for normal operation) |
יישומים טיפוסיים
S912XDG128F2VAA מתאים עבור 7 יישוםs: Automotive Body Control Module (BCM), HVAC Climate Controller, Instrument Cluster Display Controller, Industrial CAN-Node Controller, Chassis Sensor Cluster ECU, Automotive Lighting Controller (Front/Rear Lamp ECU), Electric Power Steering (EPS) Auxiliary Controller.
Automotive Body Control Module (BCM)
The S912XDG128F2VAA fits BCM applications because its 80 MHz HCS12X core with XGATE co-processor offloads interrupt-driven tasks (door locks, lighting, wipers) from the main CPU, freeing CPU bandwidth for application logic. The 128 KB Flash accommodates body-control firmware including CAN/CAN-FD stacks, lighting PWM control, and LIN master scheduling. AEC-Q100 Grade 1 (-40C to +105C) qualification ensures operation across cabin and under-hood thermal zones. Place the MCU adjacent to the CAN transceiver with TVS protection on the bus pins; the wide operating voltage tolerates load-dump transients typical of 12V automotive rails.
מומלץ
HVAC Climate Controller
For HVAC control modules the S912XDG128F2VAA's 128 KB Flash and S12X deterministic interrupt response support multi-zone climate algorithms, PWM blower control, and CAN/LIN communication with the body network. The 10-bit ADC reads cabin and evaporator thermistors with adequate resolution for setpoint control; PWM channels drive the blower and mode-door actuators. AEC-Q100 Grade 1 supports mounting near the HVAC plenum. Place 100 nF decoupling at each VDD/VSS pair and route the crystal traces short and guarded to avoid noise pickup from the blower FET bridge.
מומלץ
Instrument Cluster Display Controller
The S912XDG128F2VAA suits instrument cluster applications because its S12X core drives stepper-motor gauge pointers, LCD segments, and CAN-FD communication with the body network simultaneously. XGATE handles gauge sweep timing independently of main-CPU diagnostics and warning-lamp logic. The 80-QFP exposes sufficient I/O for speedometer, tachometer, fuel, and temperature gauges plus telltale lamps. AEC-Q100 Grade 1 covers under-dash thermal exposure. Provide bulk + ceramic decoupling near each analog supply pin to keep gauge-stepper drive noise out of the ADC reference.
מומלץ
Industrial CAN-Node Controller
In industrial CANopen or DeviceNet nodes, the S912XDG128F2VAA provides 128 KB Flash for CANopen stack, application firmware, and object dictionary, while the S12X core's deterministic interrupt response guarantees message timing. The part operates from the 24V industrial bus through an external regulator, with -40C to +105C tolerating cabinet and outdoor enclosures. Use the S12X CAN module with hardware acceptance filters to offload bus traffic from the CPU; XGATE handles time-critical sync messages. Add a 120 ohm termination resistor and TVS protection per CAN node design.
מומלץ
Chassis Sensor Cluster ECU
For a chassis-mounted sensor cluster (wheel-speed, steering-angle, yaw-rate aggregation), the S912XDG128F2VAA's 80 MHz S12X CPU aggregates multiple SPI sensor streams and publishes them on CAN-FD. XGATE offloads sensor data acquisition, leaving the main CPU for diagnostics and safety checks. 128 KB Flash covers the sensor-fusion algorithm and UDS diagnostic stack; AEC-Q100 Grade 1 ensures survival under chassis thermal and vibration stress. Mount the MCU on a four-layer PCB with a continuous ground plane under the package for vibration and EMI resilience.
מומלץ
Automotive Lighting Controller (Front/Rear Lamp ECU)
The S912XDG128F2VAA's rich PWM and GPIO resources make it well-suited to a lighting controller that drives LED strings, matrix-beam drivers, and indicator lamps. 128 KB Flash holds adaptive-headlamp algorithms and LIN/CAN communication firmware. The S12X core generates precise PWM dimming without flicker, while XGATE handles LIN message scheduling. AEC-Q100 Grade 1 covers headlamp-module operating temperatures. Provide flyback protection on each PWM output and route the high-current LED traces away from the MCU analog pins.
מומלץ
Electric Power Steering (EPS) Auxiliary Controller
As an auxiliary controller in an EPS system, the S912XDG128F2VAA aggregates torque sensor data, communicates with the main EPS MCU over CAN-FD, and drives fault indicators. XGATE ensures deterministic torque-signal sampling independent of CPU diagnostics load. 128 KB Flash accommodates UDS, ISO 14229, and torque-monitoring firmware; AEC-Q100 Grade 1 covers under-hood operation. Provide separate analog and digital grounds tied at a single point to avoid ground-loop noise coupling into the torque-sensor ADC readings.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור S912XDG128F2VAA — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | S912XDT256F1MAL | S912XEQ512J2MAL | S912XET512J3MAG | S912XEG384J2CAL |
|---|---|---|---|---|---|
| Package | 80-LQFP (14x14 mm) | 80-LQFP | 80-LQFP | 80-LQFP | 80-LQFP |
| Brand | 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) |
| CPU Speed | 80 MHz | 80 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Size | 128 KB | 256 KB | 512 KB | 512 KB | 384 KB |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +125C | -40C to +125C | -40C to +125C |
| Automotive Qualified | Yes (AEC-Q100 Grade 1) | Yes (AEC-Q100 Grade 1) | Yes (AEC-Q100 Grade 0) | Yes (AEC-Q100 Grade 0) | Yes (AEC-Q100 Grade 0) |
| Lifecycle Status | Last-time-buy | Last-time-buy | Active | Active | Active |
מבדילים עיקריים
- 80 MHz CPU speed versus 50 MHz in S12XE family alternatives (לעומתS912XEQ512J2MAL)
- Last-time-buy status provides qualification continuity for in-production designs (לעומתS912XEQ512J2MAL)
- Same HCS12X core architecture enables binary-code-compatible migration to higher-memory variants (לעומתS912XDT256F1MAL)
- AEC-Q100 Grade 1 (-40C to +105C) versus Grade 0 (-40C to +125C) in newer S12XE parts (לעומתS912XET512J3MAG)
הערות תכנון
The S912XDG128F2VAA requires separate decoupling on each VDD/VSS pair and a 4.7 uF bulk on VDDR3 with a 100 nF ceramic within 5 mm. Place the bulk capacitor first and the ceramic closest to the pin. Tie VDDR pin to VDD through a ferrite bead for additional noise isolation. The internal voltage regulator on VDDR powers the core; do not connect external loads to VDDR. Per the NXP S12XDGV1 datasheet, rise and run-to-ground noise on VDD must remain below 50 mVpp to avoid Flash programming failures.
Although the 80-LQFP is rated -40C to +105C, sustained operation at maximum CPU utilization in an enclosed ECU may push the junction close to the thermal limit. Provide thermal vias under the exposed pad on a four-layer PCB with a 2 oz copper inner plane. For under-cabbed mounting where ambient may reach 85C, derate CPU duty cycle by 20 percent at maximum ambient. Validate the thermal design with thermocouple measurements on a prototype ECU operating in the target environment.
Route the EXTAL/XTAL traces short (under 10 mm) and symmetric, away from switching signals and the PWM outputs. Place load capacitors (typically 22 pF for an 8 MHz crystal multiplied internally) within 2 mm of the oscillator pins with a continuous ground reference. Keep CAN bus traces routed as a differential pair with 120 ohm impedance and a single 120 ohm termination resistor at each end. Use a four-layer PCB with a continuous ground plane to control EMC emissions for body and chassis modules.
Do not leave the BKGD pin floating during normal operation - leave it high or pulled up through a resistor. Floating BKGD may unintentionally enter background-debug mode. The TEST pin must be tied to VSS for normal operation; leaving TEST floating can cause undefined behavior. Avoid driving RESET low during Flash programming or the part may enter an erroneous reset state. Use the NXP S12XDGV1 reference manual BGND section for the correct BDM interface circuit.
The CAN bus signals require a 120 ohm differential impedance with TVS protection (e.g., NXP PESD1CAN) at the bus connector. Place the TVS within 10 mm of the connector. For SPI signals to sensors, route as a bus with series 33 ohm resistors at the driver end to dampen reflections; keep stubs under 5 mm. Avoid routing analog (PAD) and digital (PT/PS/PM) signals across the same region - assign cross-contamination to different PCB layers.
מידע על תאימות
AEC-Q100 Grade 1 qualified per the Mouser product listing stating Automotive Qualified. RoHS and lead-free per NXP product page. Halogen-free status and detailed RoHS exemption list not specified in the verified web data - set to unknown.
