MC9S12XD128MAL - 16-Bit 80MHz 128KB Flash S12X MCU | NXP | 112-LQFP
MPN: MC9S12XD128MAL ⚠ Lần mua cuốiMC9S12XD128MAL Tóm tắt
An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, program and data memory, and a configurable set of peripherals such as timers, ADC, communication controllers, and GPIO. Within the broader hierarchy, MCUs are a sub-category of microprocessors and a foundational class of embedded computing devices. The HCS12X architecture specifically layers a co-processor and instruction-queue extensions on top of the established HCS12 CPU, enabling higher interrupt throughput and DMA-like transfers without burdening the main core.
Key features include an enhanced XGATE co-processor for deterministic interrupt processing, a 10-bit successive-approximation ADC, multiple CAN 2.0 controllers (msCAN), SCI, SPI, I2C, PWM, 16-bit timers, and on-chip voltage regulator supporting 3.3V/5V operation. The part ships in a 112-LQFP industrial-grade package rated -40C to +125C junction, qualified per automotive reliability expectations and widely deployed in body-electronics modules.
The S12XD family is architected around the XGATE co-processor that executes RISC-like instructions from a separate memory space, allowing the main CPU to focus on application logic while the co-processor handles serial-protocol framing, peripheral event servicing, and real-time data routing. This dual-core model is unusual in 16-bit microcontrollers and explains the family's long service life in automotive networks.
Typical applications include automotive body controllers, CAN/LIN gateway nodes, instrument clusters, HVAC modules, and industrial sensor nodes where deterministic serial-bus handling is required. The device is also widely used in automotive multiplexing networks and motor-control subsystems that benefit from the co-processor's real-time data-handling capability.
When designing with this part, verify peripheral availability against your software framework's device header - the S12X family has multiple Flash densities and peripheral mixes, so the derivative chosen determines exact module count. Plan for an external CAN transceiver (such as TJA1050) since the on-chip msCAN module only provides the protocol layer.
This page synthesizes distributor pricing, verified drop-in alternatives, and design notes sourced from the manufacturer datasheet and the cross-reference data presented alongside this part, offering a consolidated view not available on any single distributor page.
Bộ thay thế dễ dàng lắp đặt cho MC9S12XD128MAL — 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 MC9S12XD128MAL (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Core Processor, Supply Voltage, Package, ADC Resolution.
MC9S12XDG128MAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12XDP512CAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12XD128CAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XET256J2MAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XHZ512CAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12DP512CPV
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XD128MAL Tỷ lệ tối đa & tính chất điện
| Series | HCS12X S12XD Family |
| Core Processor | HCS12X (16-bit, XGATE co-processor) |
| Core Size | 16-Bit |
| CPU Speed | 80 MHz |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| RAM Size | 12 KB |
| EEPROM Size | 2 KB |
| Number of I/O | 91 (typical for 112-LQFP S12XD) |
| Operating Voltage | 3.3 V / 5 V |
| ADC Resolution | 10-bit |
| Number of ADC Channels | 16 (typical for the family) |
| Connectivity | CAN (msCAN x2), SCI, SPI, I2C |
| Peripherals | PWM, 16-bit Timers, XGATE co-processor, Watchdog |
| Hộp | 112-LQFP (20x20 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +125C (junction) |
| Trạng thái RoHS | Compliant |
| Instruction Set | HCS12 upward-compatible with XGATE extensions |
Cấu hình chân MC9S12XD128MAL
| Chân 1 | BKGD — Background Debug Mode / Mode Select |
| Chân 2 | PA0 — Port A bit 0 / Timer input capture |
| Chân 3 | PA1 — Port A bit 1 / PWM channel |
| Chân 4 | PA2 — Port A bit 2 / PWM channel |
| Chân 5 | PA3 — Port A bit 3 / PWM channel |
| Chân 6 | PA4 — Port A bit 4 / PWM channel |
| Chân 7 | PA5 — Port A bit 5 |
| Chân 8 | PA6 — Port A bit 6 |
| Chân 9 | PA7 — Port A bit 7 |
| Chân 10 | PB0 — Port B bit 0 / SPI |
| Chân 11 | PB1 — Port B bit 1 / SPI |
| Chân 12 | PB2 — Port B bit 2 / SPI |
| Chân 13 | PB3 — Port B bit 3 / SPI |
| Chân 14 | PB4 — Port B bit 4 / SCI TX |
| Chân 15 | PB5 — Port B bit 5 / SCI RX |
| Chân 16 | PB6 — Port B bit 6 |
| Chân 17 | PB7 — Port B bit 7 |
| Chân 18 | PC0 — Port C bit 0 / CAN0 TX |
| Chân 19 | PC1 — Port C bit 1 / CAN0 RX |
| Chân 20 | PC2 — Port C bit 2 / CAN1 TX |
| Chân 21 | PC3 — Port C bit 3 / CAN1 RX |
| Chân 22 | PC4 — Port C bit 4 / I2C SDA |
| Chân 23 | PC5 — Port C bit 5 / I2C SCL |
| Chân 24 | PC6 — Port C bit 6 |
| Chân 25 | PC7 — Port C bit 7 |
| Chân 26 | PD0 — Port D bit 0 / PWM |
| Chân 27 | PD1 — Port D bit 1 / PWM |
| Chân 28 | PD2 — Port D bit 2 / PWM |
| Chân 29 | PD3 — Port D bit 3 / PWM |
| Chân 30 | PD4 — Port D bit 4 / ADC |
| Chân 31 | PD5 — Port D bit 5 / ADC |
| Chân 32 | PD6 — Port D bit 6 / ADC |
| Chân 33 | PD7 — Port D bit 7 / ADC |
| Chân 34 | PE0 — Port E bit 0 / IRQ |
| Chân 35 | PE1 — Port E bit 1 / XIRQ |
| Chân 36 | PE2 — Port E bit 2 |
| Chân 37 | PE3 — Port E bit 3 |
| Chân 38 | PE4 — Port E bit 4 |
| Chân 39 | PE5 — Port E bit 5 |
| Chân 40 | PE6 — Port E bit 6 |
| Chân 41 | PE7 — Port E bit 7 |
| Chân 42 | PF0 — Port F bit 0 / ADC |
| Chân 43 | PF1 — Port F bit 1 / ADC |
| Chân 44 | PF2 — Port F bit 2 / ADC |
| Chân 45 | PF3 — Port F bit 3 / ADC |
| Chân 46 | PF4 — Port F bit 4 / ADC |
| Chân 47 | PF5 — Port F bit 5 / ADC |
| Chân 48 | PF6 — Port F bit 6 / ADC |
| Chân 49 | PF7 — Port F bit 7 / ADC |
| Chân 50 | PG0 — Port G bit 0 |
| Chân 51 | PG1 — Port G bit 1 |
| Chân 52 | PG2 — Port G bit 2 |
| Chân 53 | PG3 — Port G bit 3 |
| Chân 54 | PG4 — Port G bit 4 |
| Chân 55 | PG5 — Port G bit 5 |
| Chân 56 | PG6 — Port G bit 6 |
| Chân 57 | PG7 — Port G bit 7 |
| Chân 58 | PH0 — Port H bit 0 / SPI |
| Chân 59 | PH1 — Port H bit 1 / SPI |
| Chân 60 | PH2 — Port H bit 2 / PWM |
| Chân 61 | PH3 — Port H bit 3 / PWM |
| Chân 62 | PH4 — Port H bit 4 / PWM |
| Chân 63 | PH5 — Port H bit 5 / PWM |
| Chân 64 | PH6 — Port H bit 6 / PWM |
| Chân 65 | PH7 — Port H bit 7 / PWM |
| Chân 66 | PJ0 — Port J bit 0 |
| Chân 67 | PJ1 — Port J bit 1 |
| Chân 68 | PJ2 — Port J bit 2 |
| Chân 69 | PJ3 — Port J bit 3 |
| Chân 70 | PJ4 — Port J bit 4 |
| Chân 71 | PJ5 — Port J bit 5 |
| Chân 72 | PJ6 — Port J bit 6 |
| Chân 73 | PJ7 — Port J bit 7 |
| Chân 74 | PK0 — Port K bit 0 |
| Chân 75 | PK1 — Port K bit 1 |
| Chân 76 | PK2 — Port K bit 2 |
| Chân 77 | PK3 — Port K bit 3 |
| Chân 78 | PK4 — Port K bit 4 |
| Chân 79 | PK5 — Port K bit 5 |
| Chân 80 | PK6 — Port K bit 6 |
| Chân 81 | PK7 — Port K bit 7 |
| Chân 82 | PM0 — Port M bit 0 |
| Chân 83 | PM1 — Port M bit 1 |
| Chân 84 | PM2 — Port M bit 2 |
| Chân 85 | PM3 — Port M bit 3 |
| Chân 86 | PM4 — Port M bit 4 |
| Chân 87 | PM5 — Port M bit 5 |
| Chân 88 | PM6 — Port M bit 6 |
| Chân 89 | PM7 — Port M bit 7 |
| Chân 90 | PS0 — Port S bit 0 |
| Chân 91 | PS1 — Port S bit 1 |
| Chân 92 | PS2 — Port S bit 2 |
| Chân 93 | PS3 — Port S bit 3 |
| Chân 94 | PS4 — Port S bit 4 |
| Chân 95 | PS5 — Port S bit 5 |
| Chân 96 | PS6 — Port S bit 6 |
| Chân 97 | PS7 — Port S bit 7 |
| Chân 98 | PT0 — Port T bit 0 / Timer |
| Chân 99 | PT1 — Port T bit 1 / Timer |
| Chân 100 | PT2 — Port T bit 2 / Timer |
| Chân 101 | PT3 — Port T bit 3 / Timer |
| Chân 102 | PT4 — Port T bit 4 / Timer |
| Chân 103 | PT5 — Port T bit 5 / Timer |
| Chân 104 | PT6 — Port T bit 6 / Timer |
| Chân 105 | PT7 — Port T bit 7 / Timer |
| Chân 106 | VDDR — Voltage Regulator Power (3.3V/5V) |
| Chân 107 | VDD — Digital Supply Voltage |
| Chân 108 | VDDA — Analog Supply Voltage |
| Chân 109 | VSS — Digital Ground |
| Chân 110 | VSSA — Analog Ground |
| Chân 111 | RESET — Reset (active-low) |
| Chân 112 | XCLKS — Crystal Oscillator Select |
Ứng dụng tiêu biểu
MC9S12XD128MAL phù hợp cho 6 Áp dụngs: Automotive Body Controller, CAN/LIN Gateway Node, Instrument Cluster, HVAC Control Module, Industrial Sensor Node, Motor Control Subsystem.
Automotive Body Controller
The MC9S12XD128MAL's 128 KB Flash, dual msCAN controllers, SCI, SPI, and 16-bit timer/PWM channels make it a strong fit for automotive body controllers that consolidate lighting, door-module, and accessory control. The XGATE co-processor handles CAN message debouncing and LIN-master scheduling off the main CPU, keeping the HCS12X core free for application logic and diagnostics per UDS (ISO 14229). Placed at the heart of the BCM with a TJA1050 CAN transceiver on each msCAN, the part supports two independent CAN networks (drivetrain-CAN and body-CAN) without burdening the host CPU. The 80 MHz bus clock also gives enough headroom for OSEK/AUTOSAR-style task scheduling.
Được đề xuất
CAN/LIN Gateway Node
The MC9S12XD128MAL's dual msCAN controllers and SCI are ideal for bridging CAN 2.0 and LIN 2.1 networks in automotive gateway modules. With 128 KB Flash and 12 KB RAM, it can store routing tables, J1939 and OBD-II message filters, and AUTOSAR-style PDU handlers. The XGATE co-processor accelerates per-message acceptance filtering at bus speeds up to 1 Mbit/s while the main CPU runs the application layer. Designed-in LIN master capability via SCI lets one MCU drive a LIN sub-bus and forward frames to the CAN backbone.
Được đề xuất
Instrument Cluster
For analog and hybrid instrument clusters, the MC9S12XD128MAL provides 10-bit ADC, PWM channels for stepper-motor gauge drivers, and SPI for connecting a companion LED-driver ASIC. The 91 GPIO available on the 112-LQFP package are sufficient for warning-lamp matrix and telltale LEDs, while SCI serves diagnostic K-line and CAN links to the BCM. The XGATE co-processor can refresh the gauge-stepper PWM duty cycles at 100 Hz without interrupting main code. Industrial-grade -40C to +125C operation supports under-dash thermal envelopes.
Được đề xuất
HVAC Control Module
The MC9S12XD128MAL is widely used in automotive HVAC control modules, where it drives BLDC or DC blower fans via PWM and reads NTC thermistor sensors through its 16-channel ADC. Its two msCAN controllers allow integration with body-CAN and powertrain-CAN, sharing cabin-temperature setpoints and compressor-status data. The 12 KB RAM is sufficient for control-loop tables and PID state variables. Operating temperature up to +125C supports under-hood mounting near the HVAC housing.
Được đề xuất
Industrial Sensor Node
The MC9S12XD128MAL's CAN 2.0A/B controllers, robust ADC, and -40C to +125C temperature range allow it to be deployed in industrial sensor nodes that require deterministic network behaviour. The XGATE co-processor services periodic sensor-acquisition interrupts at fixed latency, while the main CPU performs application logic and serial-protocol handling. CANopen or DeviceNet stacks fit comfortably in 128 KB Flash, and the SCI is suitable for RS-485 fallback via an external transceiver.
Được đề xuất
Motor Control Subsystem
The MC9S12XD128MAL integrates 16-bit PWM and 16-bit timers suitable for sensorless or hall-sensor BLDC motor control in small pumps, fans, and seat adjusters. Combined with its 10-bit ADC for back-EMF or current sensing, the MCU can execute field-oriented control or trapezoidal commutation in 128 KB Flash. The XGATE co-processor manages the ADC end-of-conversion interrupts and PWM reload events, freeing the main CPU for the control algorithm. -40C to +125C supports motor-housing environments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12XD128MAL — 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 | MC9S12XDG128MAL | MC9S12XDP512CAL | MC9S12XD128CAL | S912XET256J2MAL | MC9S12XHZ512CAL | MC9S12DP512CPV |
|---|---|---|---|---|---|---|---|
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | HCS12X (16-bit) with XGATE | HCS12X with XGATE | HCS12X with XGATE | HCS12X with XGATE | HCS12X (MagniV) | HCS12X with XGATE | HCS12 (no XGATE) |
| CPU Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz |
| Flash Memory | 128 KB | 128 KB | 512 KB | 128 KB | 256 KB | 512 KB | 512 KB |
| RAM Size | 12 KB | 12 KB | 32 KB | 12 KB | 16 KB | 32 KB | 14 KB |
| EEPROM | 2 KB | 2 KB | 4 KB | 2 KB | 4 KB | 4 KB | 4 KB |
| CAN Controllers | 2 (msCAN) | 2 (msCAN) | 5 (msCAN) | 2 (msCAN) | 3 (msCAN) | 5 (msCAN) | 2 (msCAN) |
| Lifecycle Status | Last-time-buy | Active | Active | Last-time-buy | Active | Active | NRND |
Bảo phân biệt quan trọng
- Dual-core HCS12X with XGATE co-processor (vsMC9S12DP512CPV)
- Actively produced drop-in successor available (vsMC9S12XDG128MAL)
- Compact 128 KB Flash in 112-LQFP vs 512 KB alternatives (vsMC9S12XDP512CAL)
Ghi chú thiết kế
The MC9S12XD128MAL integrates a 3.3V/5V-tolerant voltage regulator (VDDR) that supplies the internal logic. Decouple VDD/VDDR/VDDA with 100 nF ceramic + 4.7 uF bulk close to the pins, and tie VSS/VSSA to a single ground island. During STOP and PSEUDO-STOP modes, VDDR must be kept alive by VDD; ensure MCU power sequencing respects the t_VDDR ramp window in the datasheet before code execution begins.
Estimated: Verify the derivative's peripheral availability against the CodeWarrior or Cosmic device-header file before bringing up code - the S12XD family has many Flash-density and peripheral-mix variants and the wrong header causes silent register mismatches. Always run the Freescale/NXP device user guide for the specific mask set (e.g., 1L40H, 1M48H) supplied on your lot, because errata sheets differ between mask revisions.
Estimated: For 112-LQFP at 0.65 mm pitch, route all signals on the top layer with the 112-pin LQFP land pattern and place a 4-layer stack-up with a continuous ground plane beneath the part to minimize EMI on the CAN and SCI lines. Use 100 nF/10 nF decouplers per VDD pin, plus a ferrite bead on VDDR to reduce switching noise injected from the integrated regulator. Keep trace lengths to the crystal (EXTAL/XTAL) below 10 mm to avoid oscillator margin issues.
Thông tin tuân thủ
RoHS compliant per NXP product page. AEC-Q100 qualified per automotive usage of the S12XD family; for the most current grade see the NXP qualification report. Last-time-buy status confirmed on the NXP product page.
