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NXP Semiconductors S912XEQ512F1MAL
- Part No.:
- S912XEQ512F1MAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
S912XEQ512F1MAL.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,168
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Product details
Overview
S912XEQ512F1MAL from NXP Semiconductors (formerly Freescale) is a 16-bit automotive microcontroller featuring the CPU12X core, 512 KB on-chip Flash memory with ECC, 32 KB RAM, and integrated MSCAN, XGATE co-processor, and enhanced ATD. It delivers full CAN performance in body control modules and gateway applications at up to 50 MHz bus frequency with -40°C to 125°C operation.
For engineers reviewing the S912XEQ512F1MAL datasheet, S912XEQ512F1MAL pinout, S912XEQ512F1MAL application, or S912XEQ512F1MAL equivalent, key selection criteria include Flash ECC support, XGATE offloading capability for CAN/LIN, 144-pin LQFP package compatibility, and automotive-grade temperature range compliance.
Technical Context
The S912XEQ512F1MAL implements a dual-core architecture: the main CPU12X executes application code at up to 50 MHz bus speed while the programmable XGATE co-processor runs at 100 MHz and handles time-critical peripheral tasks-including full CAN mailbox management and LIN protocol framing-without CPU intervention.
It integrates a Memory Protection Unit (MPU) with eight configurable address regions (8-byte granularity), ECC-enabled Flash supporting 1-bit correction/2-bit detection, and a Frequency Modulated PLL (IPLL) for EMC-optimized clock generation. The device supports non-multiplexed external bus interface only in 144-pin LQFP and larger packages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | CPU12X 16-bit core, instruction-set compatible with MC9S12 except five removed fuzzy instructions. |
| Flash Memory | 512 KB with ECC: enables single-bit error correction and double-bit fault detection during read/program/erase cycles. |
| RAM | 32 KB on-chip RAM; supports fast data access without wait states for all peripherals and memory spaces. |
| XGATE Co-processor | Programmable RISC engine running at 100 MHz; handles CAN/LIN messaging, SPI transfers, and ATD triggers autonomously. |
| CAN Modules | 6-channel MSCAN (CAN0–CAN4 + CAN1): supports CAN 2.0A/B, up to 1 Mbps bit rate, and FULL-CAN operation with XGATE. |
| ADC | One 10-bit ATD module with 8-channel multiplexer; 3 µs conversion time; supports wake-up from STOP mode on analog threshold match. |
| Operating Temp | -40°C to 125°C ambient range: qualified for under-hood automotive body control and gateway applications. |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch); includes non-multiplexed external bus interface support. |
Pinout & Package
Package: 144-pin Low-Profile Quad Flat Pack (LQFP), 20 mm × 20 mm body, 0.5 mm pitch (Case No. 918-03). Includes dedicated VREG supply pins, separate I/O and core voltage domains, and external bus signals (AD[0:15], A[0:15], CS[0:7], RD, WR).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDX | Core & I/O Power Supply | Dual-supply design: VDD (core, 3.3V ±5%) and VDDX (I/O, 3.3–5.0V +10%) enable optimized EMC filtering and mixed-voltage interfacing. |
| RESET | Reset Input | Active-low asynchronous reset with internal pull-up; supports power-on reset (POR), low-voltage reset (LVR), and COP watchdog timeout. |
| MODA, MODB | Mode Selection | Configures boot mode (Normal, Special Bootstrap, Background Debug); determines reset vector source and BDM activation. |
| XTAL, EXTAL | Oscillator Interface | Connects to 4–16 MHz crystal for OSC_LCP; supports full-swing Pierce option up to 40 MHz for IPLL reference. |
| CS0–CS7 | Chip Select Outputs | Eight independent chip selects for glue-less interface to external memories; each configurable with wait-state timing or EWAIT deassertion. |
| PORST | Power-On Reset Output | Open-drain output asserting during POR sequence; used to synchronize external logic or reset companion ICs. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | 8 configurable address regions with 8-byte granularity; enforces no-write/no-execute policies and triggers non-maskable interrupt on violation. |
| ECC on Flash & D-Flash | 64-bit data + 8-bit syndrome per word enables real-time 1-bit correction and 2-bit detection-critical for ASIL-B functional safety compliance. |
| XGATE Co-processor | Offloads CAN/LIN protocol handling, SPI transfers, and ATD conversions; eliminates CPU polling and reduces ISR latency by >90%. |
| IPLL with Spread Spectrum | Internally filtered PLL with configurable frequency modulation reduces electromagnetic emissions without external components. |
| Enhanced ATD Wake-up | Converts analog inputs in STOP mode using internal oscillator; triggers wake-up on > or ≤ threshold match-enabling ultra-low-power sensor monitoring. |
| Background Debug (BDM) | Single-wire interface supporting non-intrusive memory access, flash programming, and security lock/unlock-essential for production programming and field updates. |
Applications
| Body Control Module (BCM) | Vehicle Gateway |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU managing PWM-driven power outputs, ATD-based sensor inputs, and LIN-connected slave nodes via integrated SCI modules. Use Value: XGATE handles LIN frame assembly/disassembly and CAN message routing, freeing CPU for real-time actuator control and diagnostics. |
Use Scenario: Protocol translation and message filtering between high-speed CAN-FD backbone and low-speed LIN subnetworks. IC Role / Device Role / Timing Role: Dual-bus bridge with six MSCAN modules and multiple SCI ports; performs header-based routing and priority arbitration. Use Value: Full CAN capability with XGATE-managed mailboxes enables concurrent handling of ≥32 CAN IDs and 8 LIN slaves without CPU overhead. |
| Smart Junction Box | Seat Control Unit |
|
Use Scenario: Distributed power distribution and load monitoring across chassis domains with fuseless solid-state switching. IC Role / Device Role / Timing Role: High-reliability controller executing current-sense ADC readings, thermal monitoring, and MOSFET gate drive sequencing. Use Value: MPU-enforced memory isolation prevents firmware corruption during transient overvoltage events; ECC ensures Flash integrity over 15+ year vehicle life. |
Use Scenario: Real-time adjustment of seat position, heating, and massage functions based on driver profile and cabin conditions. IC Role / Device Role / Timing Role: Sensor fusion hub integrating ATD (temperature, pressure), PWM (motor control), and CAN (HMI feedback) interfaces. Use Value: 10-bit ATD with 3 µs conversion and STOP-mode wake-up enables responsive thermal loop control while minimizing system power draw. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100MAB | 1 MB Flash, 64 KB RAM, 208-pin MAPBGA; adds ECT timer channels and extra I/O but lacks XGATE optimization for LIN. | Targeted at higher-complexity body controllers requiring >512 KB code space and external memory expansion. | Select when needing >512 KB Flash and non-multiplexed bus for external RAM/Flash; not drop-in due to package and pinout differences. |
| S912XDP512J1MAL | Same 512 KB Flash and 144-pin LQFP, but uses older S12XD architecture-no MPU, no ECC, no IPLL spread spectrum. | Suitable for cost-sensitive legacy designs where ASIL-B compliance or advanced EMC control is not required. | Choose only for backward-compatible upgrades where ECC, MPU, or IPLL features are unnecessary; pinout differs in debug and reset signaling. |
Compared with MC9S12XEP100MAB and S912XDP512J1MAL, the S912XEQ512F1MAL uniquely balances automotive-grade reliability (ECC, MPU, -40°C to 125°C), real-time offload capability (XGATE), and compact 144-pin LQFP packaging-making it optimal for new BCM and gateway designs requiring functional safety and low EMI.
Availability
S912XEQ512F1MAL is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, smart junction boxes, and seat control units requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for S912XEQ512F1MAL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep heritage in automotive microcontrollers dating to Motorola and Freescale.
The S12XE family-including S912XEQ512F1MAL-is designed specifically for automotive body electronics requiring enhanced system integrity: MPU, Flash ECC, and XGATE offload enable ASIL-B–capable implementations without external safety monitors.
FAQ
What is the maximum bus frequency supported by the S912XEQ512F1MAL?
The S912XEQ512F1MAL supports a maximum CPU bus frequency of 50 MHz and an XGATE bus frequency of 100 MHz. This is achieved using the internally filtered IPLL with optional spread-spectrum modulation, enabling deterministic real-time performance in automotive control loops without external clock components.
Does the S912XEQ512F1MAL include Error Correction Code (ECC) for Flash memory?
Yes, the S912XEQ512F1MAL includes ECC on its 512 KB Flash memory, providing single-bit error correction and double-bit error detection per 64-bit word. This ECC implementation is hardware-accelerated and active during all Flash operations-read, program, and erase-supporting functional safety requirements for ASIL-B systems.
How many CAN modules does the S912XEQ512F1MAL integrate, and what protocol versions are supported?
The S912XEQ512F1MAL integrates six MSCAN modules (CAN0–CAN4 plus CAN1), supporting CAN 2.0A and 2.0B protocols with standard and extended identifiers, up to 1 Mbps bit rate, and FULL-CAN operation when coordinated with the XGATE co-processor for mailbox management and filtering.
What is the role of the XGATE co-processor in the S912XEQ512F1MAL?
The XGATE co-processor in the S912XEQ512F1MAL is a programmable RISC engine running at 100 MHz that autonomously handles time-critical peripheral tasks-including CAN/LIN messaging, SPI transfers, and ATD conversions-freeing the main CPU12X core for application logic and reducing interrupt latency by over 90% in real-world automotive workloads.
Is the S912XEQ512F1MAL qualified for automotive under-hood applications?
Yes, the S912XEQ512F1MAL is qualified for operation from -40°C to +125°C ambient temperature and features automotive-specific enhancements including separate I/O and core voltage domains, enhanced EMC filtering, and robust reset supervision-making it suitable for under-hood body control and gateway applications.
S912XEQ512F1MAL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12X
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12X
- Core Size:
- 16-Bit
- Speed:
- 50MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 91
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S912XEQ512F1MAL FAQ
1.How can I place an order for S912XEQ512F1MAL through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEQ512F1MAL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for S912XEQ512F1MAL reliable?
The price and inventory of S912XEQ512F1MAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEQ512F1MAL is usually 5 days.
3.What payment methods are accepted for S912XEQ512F1MAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEQ512F1MAL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEQ512F1MAL?
S912XEQ512F1MAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEQ512F1MAL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for S912XEQ512F1MAL?
For technical support, including S912XEQ512F1MAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEQ512F1MAL requirements.
6.How does Aetrix verify that S912XEQ512F1MAL is sourced from the original manufacturer or authorized distributors?
All S912XEQ512F1MAL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S912XEQ512F1MAL meets industry standards.
7.What is the process for return or replacement of S912XEQ512F1MAL?
All S912XEQ512F1MAL units undergo pre-shipment inspection (PSI). If there is an issue with S912XEQ512F1MAL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The S912XEQ512F1MAL part is unused and in its original packaging.
Return procedure for S912XEQ512F1MAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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