S912XEG384F1VAG - 16-bit S12X MCU 384KB Flash | NXP | 144-LQFP
MPN: S912XEG384F1VAG ✓ Hoạt độngS912XEG384F1VAG Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho S912XEG384F1VAG — 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 S912XEG384F1VAG (cùng hình factor và footprint) — khác nhau ở Package, ADC, Mounting Type, Operating Temperature, Supply Voltage.
S912XEG384J3CAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384J2CALR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384F1VALR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12XEG128MAA
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEQ512J2MAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384F1VAG Tỷ lệ tối đa & tính chất điện
| 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 |
| Nhiệt độ hoạt động | -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) |
| Hộp | 144-LQFP (20x20 mm) |
| Kiểu lắp đặt | Surface Mount |
| Automotive Qualified | Yes |
| Trạng thái RoHS | Compliant |
Cấu hình chân S912XEG384F1VAG
| Chân 1 | PE0 — Port E I/O / XIRQ interrupt |
| Chân 2 | PE1 — Port E I/O / IRQ interrupt |
| Chân 3 | PE2 — Port E I/O / TCLK input |
| Chân 4 | PE3 — Port E I/O |
| Chân 5 | PE4 — Port E I/O |
| Chân 6 | PE5 — Port E I/O |
| Chân 7 | PE6 — Port E I/O |
| Chân 8 | PE7 — Port E I/O |
| Chân 9 | VSS — Ground (digital) |
| Chân 10 | VDD — Digital supply (1.8V-5.5V) |
| Chân 11 | BKGD — Background Debug Mode pin |
| Chân 12 | RESET — External reset input (active low) |
| Chân 13 | TEST — Test mode (tie to VSS) |
| Chân 14 | VDDR — Regulator supply |
| Chân 15 | VSSX — Oscillator ground |
| Chân 16 | EXTAL — External oscillator input |
| Chân 17 | XTAL — External oscillator output |
| Chân 18 | VSSPLL — PLL ground |
| Chân 19 | VDDPLL — PLL supply |
| Chân 20 | PAD0 — Port AD I/O / AN0 |
| Chân 21 | PAD1 — Port AD I/O / AN1 |
| Chân 22 | PAD2 — Port AD I/O / AN2 |
| Chân 23 | PAD3 — Port AD I/O / AN3 |
| Chân 24 | PAD4 — Port AD I/O / AN4 |
| Chân 25 | PAD5 — Port AD I/O / AN5 |
| Chân 26 | PAD6 — Port AD I/O / AN6 |
| Chân 27 | PAD7 — Port AD I/O / AN7 |
| Chân 28 | PAD8 — Port AD I/O / AN8 |
| Chân 29 | PAD9 — Port AD I/O / AN9 |
| Chân 30 | PAD10 — Port AD I/O / AN10 |
| Chân 31 | PAD11 — Port AD I/O / AN11 |
| Chân 32 | PAD12 — Port AD I/O / AN12 |
| Chân 33 | PAD13 — Port AD I/O / AN13 |
| Chân 34 | PAD14 — Port AD I/O / AN14 |
| Chân 35 | PAD15 — Port AD I/O / AN15 |
| Chân 36 | VSSA — Analog ground |
| Chân 37 | VDDA — Analog supply (1.8V-5.5V) |
| Chân 38 | VRL — ADC reference low |
| Chân 39 | VRH — ADC reference high |
| Chân 40 | PS0 — Port S I/O / SCI0_TX |
| Chân 41 | PS1 — Port S I/O / SCI0_RX |
| Chân 42 | PS2 — Port S I/O / SPI0_SCK |
| Chân 43 | PS3 — Port S I/O / SPI0_MOSI |
| Chân 44 | PS4 — Port S I/O / SPI0_MISO |
| Chân 45 | PS5 — Port S I/O / SPI0_SS |
| Chân 46 | PS6 — Port S I/O |
| Chân 47 | PS7 — Port S I/O |
| Chân 48 | PT0 — Port T I/O / ECT channel 0 |
| Chân 49 | PT1 — Port T I/O / ECT channel 1 |
| Chân 50 | PT2 — Port T I/O / ECT channel 2 |
| Chân 51 | PT3 — Port T I/O / ECT channel 3 |
| Chân 52 | PT4 — Port T I/O / ECT channel 4 |
| Chân 53 | PT5 — Port T I/O / ECT channel 5 |
| Chân 54 | PT6 — Port T I/O / ECT channel 6 |
| Chân 55 | PT7 — Port T I/O / ECT channel 7 |
| Chân 56 | VSS — Ground (digital) |
| Chân 57 | VDD — Digital supply |
| Chân 58 | PJ0 — Port J I/O / SCL |
| Chân 59 | PJ1 — Port J I/O / SDA |
| Chân 60 | PJ2 — Port J I/O / TxCAN |
| Chân 61 | PJ3 — Port J I/O / RxCAN |
| Chân 62 | PJ4 — Port J I/O |
| Chân 63 | PJ5 — Port J I/O |
| Chân 64 | PJ6 — Port J I/O |
| Chân 65 | PJ7 — Port J I/O |
| Chân 66 | PK0 — Port K I/O / PWM channel |
| Chân 67 | PK1 — Port K I/O / PWM channel |
| Chân 68 | PK2 — Port K I/O / PWM channel |
| Chân 69 | PK3 — Port K I/O / PWM channel |
| Chân 70 | PK4 — Port K I/O / PWM channel |
| Chân 71 | PK5 — Port K I/O / PWM channel |
| Chân 72 | PK6 — Port K I/O / PWM channel |
| Chân 73 | PK7 — Port K I/O / PWM channel |
| Chân 74 | PA0 — Port A I/O / address/data |
| Chân 75 | PA1 — Port A I/O / address/data |
| Chân 76 | PA2 — Port A I/O / address/data |
| Chân 77 | PA3 — Port A I/O / address/data |
| Chân 78 | PA4 — Port A I/O / address/data |
| Chân 79 | PA5 — Port A I/O / address/data |
| Chân 80 | PA6 — Port A I/O / address/data |
| Chân 81 | PA7 — Port A I/O / address/data |
| Chân 82 | PB0 — Port B I/O / address |
| Chân 83 | PB1 — Port B I/O / address |
| Chân 84 | PB2 — Port B I/O / address |
| Chân 85 | PB3 — Port B I/O / address |
| Chân 86 | PB4 — Port B I/O / address |
| Chân 87 | PB5 — Port B I/O / address |
| Chân 88 | PB6 — Port B I/O / address |
| Chân 89 | PB7 — Port B I/O / address |
| Chân 90 | PC0 — Port C I/O / data |
| Chân 91 | PC1 — Port C I/O / data |
| Chân 92 | PC2 — Port C I/O / data |
| Chân 93 | PC3 — Port C I/O / data |
| Chân 94 | PC4 — Port C I/O / data |
| Chân 95 | PC5 — Port C I/O / data |
| Chân 96 | PC6 — Port C I/O / data |
| Chân 97 | PC7 — Port C I/O / data |
| Chân 98 | VSS — Ground (digital) |
| Chân 99 | VDD — Digital supply |
| Chân 100 | PM0 — Port M I/O |
| Chân 101 | PM1 — Port M I/O |
| Chân 102 | PM2 — Port M I/O |
| Chân 103 | PM3 — Port M I/O |
| Chân 104 | PM4 — Port M I/O |
| Chân 105 | PM5 — Port M I/O |
| Chân 106 | PM6 — Port M I/O |
| Chân 107 | PM7 — Port M I/O |
| Chân 108 | PP0 — Port P I/O / PWM |
| Chân 109 | PP1 — Port P I/O / PWM |
| Chân 110 | PP2 — Port P I/O / PWM |
| Chân 111 | PP3 — Port P I/O / PWM |
| Chân 112 | PP4 — Port P I/O / PWM |
| Chân 113 | PP5 — Port P I/O / PWM |
| Chân 114 | PP6 — Port P I/O / PWM |
| Chân 115 | PP7 — Port P I/O / PWM |
| Chân 116 | PQ0 — Port Q I/O |
| Chân 117 | PQ1 — Port Q I/O |
| Chân 118 | PQ2 — Port Q I/O |
| Chân 119 | PQ3 — Port Q I/O |
| Chân 120 | PQ4 — Port Q I/O |
| Chân 121 | PQ5 — Port Q I/O |
| Chân 122 | PQ6 — Port Q I/O |
| Chân 123 | PQ7 — Port Q I/O |
| Chân 124 | VSS — Ground (digital) |
| Chân 125 | VDD — Digital supply |
| Chân 126 | PS0 — Port S I/O (alternate) |
| Chân 127 | PS1 — Port S I/O (alternate) |
| Chân 128 | PH0 — Port H I/O / SPI1 |
| Chân 129 | PH1 — Port H I/O / SPI1 |
| Chân 130 | PH2 — Port H I/O / SPI1 |
| Chân 131 | PH3 — Port H I/O / SPI1 |
| Chân 132 | PH4 — Port H I/O / SPI1 |
| Chân 133 | PH5 — Port H I/O / SPI1 |
| Chân 134 | PH6 — Port H I/O / SPI1 |
| Chân 135 | PH7 — Port H I/O / SPI1 |
| Chân 136 | PI0 — Port I I/O |
| Chân 137 | PI1 — Port I I/O |
| Chân 138 | PI2 — Port I I/O |
| Chân 139 | PI3 — Port I I/O |
| Chân 140 | PI4 — Port I I/O |
| Chân 141 | PI5 — Port I I/O |
| Chân 142 | PI6 — Port I I/O |
| Chân 143 | PI7 — Port I I/O |
| Chân 144 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
S912XEG384F1VAG phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S912XEG384F1VAG — 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 | 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 |
Bảo phân biệt quan trọng
- XGATE co-processor offloads interrupts (vsMC9S12DP512CPVER)
- 144-LQFP matches body-controller pinout density (vsMC9S12XEG128MAA)
- F1 mask + 50 MHz bus for cost-sensitive designs (vsS912XEQ512J2MAL)
Ghi chú thiết kế
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.
Thông tin tuân thủ
RoHS and REACH compliant per NXP product page. AEC-Q100 qualified for automotive applications. Halogen-free status not specified in available data.
