S912XDG128F2VAA - 16-bit S12X MCU 128KB Flash 80MHz 80-QFP | NXP
MPN: S912XDG128F2VAA ⚠ Lần mua cuốiS912XDG128F2VAA Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho S912XDG128F2VAA — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với S912XDG128F2VAA (cùng hình factor và footprint) — khác nhau ở Package, Mounting Type, Core, Core Architecture, Operating Temperature.
S912XDT256F1MAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEQ512J2MAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEQ512J2MALR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XET512J3MAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384J2CALR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384J3CAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEQ384J3CALR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XDG128F2VAA Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 80-LQFP (14x14 mm) |
| Nhiệt độ hoạt động | -40C to +105C |
| Kiểu lắp đặt | 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) |
Cấu hình chân S912XDG128F2VAA
| Chân 1 | PP0 — Port PP0 / PWM channel / generic I/O |
| Chân 2 | PP1 — Port PP1 / PWM channel / generic I/O |
| Chân 3 | PP2 — Port PP2 / PWM channel / generic I/O |
| Chân 4 | PP3 — Port PP3 / PWM channel / generic I/O |
| Chân 5 | PP4 — Port PP4 / PWM channel / generic I/O |
| Chân 6 | PP5 — Port PP5 / PWM channel / generic I/O |
| Chân 7 | PP6 — Port PP6 / PWM channel / generic I/O |
| Chân 8 | PP7 — Port PP7 / PWM channel / generic I/O |
| Chân 9 | VDDR — Voltage regulator supply |
| Chân 10 | VDD — Digital supply voltage |
| Chân 11 | VSS — Digital ground |
| Chân 12 | VDDF — Flash supply voltage |
| Chân 13 | VSSF — Flash ground |
| Chân 14 | BKGD — Background Debug Mode pin |
| Chân 15 | RESET — External reset input (active low) |
| Chân 16 | XIRQ — Non-maskable interrupt input |
| Chân 17 | IRQ — Maskable interrupt input |
| Chân 18 | PAD0 — Port AD0 / ADC input |
| Chân 19 | PAD1 — Port AD1 / ADC input |
| Chân 20 | PAD2 — Port AD2 / ADC input |
| Chân 21 | PAD3 — Port AD3 / ADC input |
| Chân 22 | PAD4 — Port AD4 / ADC input |
| Chân 23 | PAD5 — Port AD5 / ADC input |
| Chân 24 | PAD6 — Port AD6 / ADC input |
| Chân 25 | PAD7 — Port AD7 / ADC input |
| Chân 26 | PAD8 — Port AD8 / ADC input |
| Chân 27 | PAD9 — Port AD9 / ADC input |
| Chân 28 | PAD10 — Port AD10 / ADC input |
| Chân 29 | PAD11 — Port AD11 / ADC input |
| Chân 30 | PAD12 — Port AD12 / ADC input |
| Chân 31 | PAD13 — Port AD13 / ADC input |
| Chân 32 | PAD14 — Port AD14 / ADC input |
| Chân 33 | PAD15 — Port AD15 / ADC input |
| Chân 34 | VDDA — Analog supply voltage |
| Chân 35 | VSSA — Analog ground |
| Chân 36 | VRH — ADC reference high |
| Chân 37 | VRL — ADC reference low |
| Chân 38 | PT0 — Port T0 / IOC timer channel |
| Chân 39 | PT1 — Port T1 / IOC timer channel |
| Chân 40 | PT2 — Port T2 / IOC timer channel |
| Chân 41 | PT3 — Port T3 / IOC timer channel |
| Chân 42 | PT4 — Port T4 / IOC timer channel |
| Chân 43 | PT5 — Port T5 / IOC timer channel |
| Chân 44 | PT6 — Port T6 / IOC timer channel |
| Chân 45 | PT7 — Port T7 / IOC timer channel |
| Chân 46 | PS0 — Port S0 / SPI / SCI |
| Chân 47 | PS1 — Port S1 / SPI / SCI |
| Chân 48 | PS2 — Port S2 / SPI / SCI |
| Chân 49 | PS3 — Port S3 / SPI / SCI |
| Chân 50 | PS4 — Port S4 / SPI / SCI |
| Chân 51 | PS5 — Port S5 / SPI / SCI |
| Chân 52 | PS6 — Port S6 / SPI / SCI |
| Chân 53 | PS7 — Port S7 / SPI / SCI |
| Chân 54 | PM0 — Port M0 / CAN / generic I/O |
| Chân 55 | PM1 — Port M1 / CAN / generic I/O |
| Chân 56 | PM2 — Port M2 / CAN / generic I/O |
| Chân 57 | PM3 — Port M3 / CAN / generic I/O |
| Chân 58 | PM4 — Port M4 / CAN / generic I/O |
| Chân 59 | PM5 — Port M5 / CAN / generic I/O |
| Chân 60 | PM6 — Port M6 / CAN / generic I/O |
| Chân 61 | PM7 — Port M7 / CAN / generic I/O |
| Chân 62 | PJ0 — Port J0 / I2C / generic I/O |
| Chân 63 | PJ1 — Port J1 / I2C / generic I/O |
| Chân 64 | PJ2 — Port J2 / generic I/O |
| Chân 65 | PJ3 — Port J3 / generic I/O |
| Chân 66 | PJ4 — Port J4 / generic I/O |
| Chân 67 | PJ5 — Port J5 / generic I/O |
| Chân 68 | PJ6 — Port J6 / generic I/O |
| Chân 69 | PJ7 — Port J7 / generic I/O |
| Chân 70 | PK0 — Port K0 / generic I/O |
| Chân 71 | PK1 — Port K1 / generic I/O |
| Chân 72 | PK2 — Port K2 / generic I/O |
| Chân 73 | PK3 — Port K3 / generic I/O |
| Chân 74 | PK4 — Port K4 / generic I/O |
| Chân 75 | PK5 — Port K5 / generic I/O |
| Chân 76 | PK6 — Port K6 / generic I/O |
| Chân 77 | PK7 — Port K7 / generic I/O |
| Chân 78 | EXTAL — External oscillator input |
| Chân 79 | XTAL — External oscillator output |
| Chân 80 | TEST — Test pin (must be tied to VSS for normal operation) |
Ứng dụng tiêu biểu
S912XDG128F2VAA phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S912XDG128F2VAA — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- 80 MHz CPU speed versus 50 MHz in S12XE family alternatives (vsS912XEQ512J2MAL)
- Last-time-buy status provides qualification continuity for in-production designs (vsS912XEQ512J2MAL)
- Same HCS12X core architecture enables binary-code-compatible migration to higher-memory variants (vsS912XDT256F1MAL)
- AEC-Q100 Grade 1 (-40C to +105C) versus Grade 0 (-40C to +125C) in newer S12XE parts (vsS912XET512J3MAG)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
