MC9S12XS128MAL
| Part Number | MC9S12XS128MAL |
|---|---|
| Manufacturer | NXP Semiconductors (Freescale) |
| Category | Integrated Circuits (ICs) > Embedded – Microcontrollers / Automotive MCUs |
| Description | High-performance 16-bit automotive microcontroller featuring an S12X core clocked up to 80MHz, 128 KB Flash, 8 KB RAM, integrated MSCAN module, and dual 8-channel 12-bit SAR ADCs, housed in a 112-pin LQFP package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The MC9S12XS128MAL is a 16-bit automotive-grade MCU from NXP S12X family. Built for automotive body control, gateway and instrument equipment, it runs at 40MHz bus speed (80MHz internal CPU clock). It carries 128KB ECC Flash and 8KB SRAM, integrated MSCAN bus and dual 8-channel 12-bit SAR ADC. Packaged in 112-pin LQFP, it delivers stable performance for all kinds of automotive electronic systems.
Core Advantages
Advanced 16-Bit S12X CISC Core
Optimized 16-bit processor, fast operation with stable cycle delay for control algorithms.
Hardware MSCAN Bus Support
Built-in MSCAN module with ID filtering and FIFO storage, reliable automotive bus communication.
Dual 12-Bit Analog Acquisition System
Dual independent 8-channel ADC, supports high-precision synchronous sampling of multiple sensors.
AEC-Q100 Automotive Certification
Compliant with AEC-Q100 Grade 1, works stably from -40℃ to +125℃ harsh temperature environments.
Key Specifications
| Brand | NXP Semiconductors S12X 16-Bit Automotive Microcontroller Family |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free / Green Halogen-Free Materials Verified |
| EDA/CAD Model | 3D STEP Models, Schematic Symbols, and Pinout Footprint Configurations available upon request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | 112-LQFP (20mm × 20mm × 0.65mm) |
| Package Height | 1.4mm |
| Mounting Type | Surface Mount |
| Surface Marking / Silkscreen | MC9S12XS128MAL Marking |
| Processor Core | 16-Bit HCS12X Core with Enhanced Instruction Set Architecture |
| Data Bus Width | 16-bit |
| Maximum Clock Frequency | 80 MHz CPU Core Frequency / 40 MHz Maximum Bus Operating Clock |
| On-Chip Flash Memory | 128 KB (131,072 Bytes) Flash with independent ECC error tracking and code protection |
| Program Memory Type | Flash |
| On-Chip RAM Memory | 8 KB (8,192 Bytes) High-Speed Internal Static RAM |
| RAM Type | Internal Static RAM |
| Integrated Serial Communications | 1x MSCAN (CAN 2.0A/B), up to 2x SCI (LIN compatible), 1x SPI synchronous link |
| CAN Bus Max Speed | Up to 1 Mbps |
| Analog-to-Digital Converter | 16 Channels total (Dual 8-Channel blocks), 12-bit Successive Approximation (SAR) ADC |
| Onboard Timers & PWM | 8-Channel Enhanced Capture Timer (ECT) and 8-Channel 8-bit (or 4-Channel 16-bit) PWM module |
| Input / Output Pins | 91 GPIO Pins |
| Operating Core Voltage Supply | 3.15 V to 5.5 V Single Supply Input (Supports legacy 5.0V automotive networks directly) |
| Typical Operating Supply Current | 35mA |
| Flash Programming Voltage | Single 5V supply (no external high voltage required) |
| Operating Temperature Range | -40°C to +125°C Ambient (TA) Automotive Qualification Grade 1 Extended Boundary |
Typical Applications
- Automotive Body Control Modules (BCM), Door Control Hubs, and Electronic Window Modules
- Vehicle Dashboard Instrument Clusters, Head-Up Displays (HUD), and HVAC Climate Control Controllers
- Localized Car Network Gateway Routers, Smart Junction Fuse Boxes, and Lighting Control Modules
- Industrial Distributed CAN Bus Nodes, Commercial Machinery Controls, and Fluid Management Pumps
- Off-Road Equipment Telemetry Modules, High-Reliability Power Inverters, and Marine Electronic Instrumentations
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
Request datasheets, samples, stock status or bulk price via our Quick Inquiry form. All messages will be replied within 24 hours.
Frequently Asked Questions
Q1: Are your MC9S12XS128MAL chips 100% original new?
A1: All stock are brand-new original from NXP/Freescale. We ship with anti-static JEDEC trays to protect LQFP pins, and provide complete batch traceability.
Q2: What do MC9, M, AL stand for in the part number?
A2: MC9 = automotive mass production mask; M = Grade 1 wide temperature range (-40℃~+125℃); AL = 112-pin LQFP 20×20mm package variant.
Q3: What is the function of ECC inside the flash memory?
A3: Built-in ECC hardware detects and fixes single-bit memory errors in real time, avoiding system crash caused by EMI interference in automotive control equipment.
Q4: How to get development tools and bulk quotation?
A4: Fill in your project demand, annual quantity and delivery schedule on the inquiry form. Our technical team will send datasheets, driver files and custom wholesale prices within 24h.
Q5: What is the MOQ and delivery time?
A5: Minimum order quantity is 1 piece. In-stock items will be shipped within 1-2 working days, global delivery takes 3-7 days.
Q6: Can I get free samples for testing?
A6: We support sample orders for project verification. Submit sample demand via the inquiry form to confirm sample cost and freight.
Q7: Do you offer after-sales warranty?
A7: All components come with 1-year quality warranty. Contact us promptly if you receive defective parts.
Q8: Is the product RoHS & lead-free compliant?
A8: Yes, MC9S12XS128MAL meets RoHS lead-free standards, with relevant certification documents available upon request.

