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NXP Semiconductors S912XEQ512F0MAL
- Part No.:
- S912XEQ512F0MAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
S912XEQ512F0MAL.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S912XEQ512F0MAL 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 operating at -40°C to 125°C with 50 MHz bus frequency.
For engineers reviewing the S912XEQ512F0MAL datasheet, S912XEQ512F0MAL pinout, S912XEQ512F0MAL application, or S912XEQ512F0MAL 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 S912XEQ512F0MAL implements a dual-bus architecture: the 16-bit CPU12X core runs at up to 50 MHz bus frequency while the XGATE co-processor operates at 100 MHz, enabling autonomous peripheral servicing without CPU intervention. Its Memory Protection Unit (MPU) defines eight address regions with 8-byte granularity and enforces no-write/no-execute policies.
It integrates four MSCAN modules supporting CAN 2.0A/B at up to 1 Mbps, six SCI interfaces with LIN-compliant break detection, and an enhanced ATD converter with 8/10/12-bit resolution across eight channels - all accessible via XGATE-triggered DMA transfers to eliminate wait states.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | CPU12X 16-bit core compatible with MC9S12 instruction set (excluding five fuzzy instructions); enables legacy code reuse with deterministic timing. |
| Flash Memory | 512 KB Flash with 64+8-bit ECC (1-bit correction / 2-bit detection); ensures data integrity in safety-critical automotive firmware storage. |
| RAM | 32 KB on-chip RAM; supports real-time XGATE data buffering and CPU stack operations without external memory latency. |
| Operating Temp | -40°C to 125°C ambient; qualified for under-hood automotive environments including body control units and gateways. |
| Bus Frequency | 50 MHz CPU bus / 100 MHz XGATE bus; enables high-throughput CAN message handling and sensor acquisition at full speed. |
| Peripherals | 4 × MSCAN, 6 × SCI (LIN-capable), 3 × SPI, 2 × IIC, 8-channel ATD, 8-channel PWM, ECT/TIM/PIT timers; supports multi-protocol vehicle networking. |
| Package | 144-pin LQFP (20×20 mm, 0.5 mm pitch); provides non-multiplexed external bus interface and 119 GPIOs with interrupt wake-up capability. |
Pinout & Package
144-pin LQFP package (case number 918-03), 20×20 mm body, 0.5 mm pitch, exposed thermal pad. Pinout validated per MC9S12XE Data Sheet Rev. 7 and Freescale Application Note AN3742.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate analog/digital/PLL supplies enable optimized EMC filtering and stable ADC/oscillator operation. |
| VSS, VSSA, VSSPLL | Ground returns | Dedicated ground planes reduce noise coupling between digital logic, analog converters, and PLL circuitry. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; triggers POR, COP timeout, or MPU violation recovery sequences. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports 4–16 MHz Pierce crystal; enables low-jitter clock generation for CAN bit timing accuracy. |
| MSCAN0_TX, MSCAN0_RX | CAN0 differential transceiver pins | Direct connection to ISO 11898-compliant CAN physical layer; supports 1 Mbps baud rate with loopback self-test mode. |
| SCI0_TX, SCI0_RX | LIN master/slave UART pins | Hardware LIN break detection and sync field generation; enables XGATE-managed LIN communication independent of CPU. |
| ATD0[0..7] | Analog input channels | Eight dedicated analog inputs with internal multiplexer; supports 10-bit conversion in 3 µs for battery voltage or temperature sensing. |
| PWM0..PWM7 | Pulse-width modulated outputs | Eight 8-bit or four 16-bit PWM channels with center/left-aligned modes; drives LED dimming or motor control with emergency shutdown input. |
Key Features
| Feature | Design Value |
|---|---|
| XGATE co-processor | Programmable in C, executes at 100 MHz, handles CAN/LIN messaging autonomously to free CPU for application logic. |
| Memory Protection Unit (MPU) | Eight configurable address regions with 8-byte granularity; enforces supervisor/user access control and triggers NMI on violation. |
| ECC-enabled Flash | 64+8-bit ECC per 64-bit word enables single-bit error correction and double-bit fault detection during runtime firmware execution. |
| Enhanced ATD converter | 8-channel, 8/10/12-bit resolution with internal oscillator; performs conversions in STOP mode and wakes CPU on threshold match. |
| Full-CAN with XGATE | Four MSCAN modules support unlimited mailboxes via XGATE offload; maintains backward compatibility with legacy S12 CAN drivers. |
| API timer | Asynchronous periodic interrupt active in Full Stop mode; provides ±10% accurate wake-up intervals from 0.2 ms to ~13 s for low-power scheduling. |
Applications
| Body Control Module | Gateway Controller |
|---|---|
|
Use Scenario: Centralized management of lighting, door locks, window lifts, and HVAC actuators in modern vehicle body electronics. IC Role / Device Role / Timing Role: Primary MCU executing body control firmware, managing power drivers via PWM, reading sensors via ATD, and coordinating CAN/LIN traffic. Use Value: XGATE offloads CAN/LIN protocol stacks, enabling deterministic response to switch inputs and sensor events while maintaining 50 MHz CPU throughput. |
Use Scenario: Protocol translation and message routing between high-speed CAN backbone and low-speed LIN subnetworks in vehicle architectures. IC Role / Device Role / Timing Role: Dual-interface bridge MCU with four MSCAN and six SCI modules, using XGATE to manage mailbox arbitration and frame forwarding. Use Value: Eliminates need for external protocol translators; supports simultaneous CAN FD readiness and legacy LIN 1.3/2.0 compliance in one chip. |
| Smart Junction Box | Chassis Domain Controller |
|
Use Scenario: Power distribution and load monitoring unit integrating fuse diagnostics, short-circuit protection, and energy metering functions. IC Role / Device Role / Timing Role: Real-time current/voltage sampling via ATD, PWM-controlled MOSFET gate drivers, and CAN-based telemetry reporting. Use Value: ECC Flash ensures firmware integrity during overvoltage transients; MPU prevents unauthorized access to safety-critical configuration registers. |
Use Scenario: Integrated control of suspension damping, brake-by-wire interfaces, and steering angle feedback in ADAS-enabled platforms. IC Role / Device Role / Timing Role: Safety-aware MCU running ASIL-B software partitions, leveraging MPU isolation and COP watchdog for fault containment. Use Value: 125°C rating allows placement near engine bays; API timer enables precise cyclic wake-up for sensor polling without external RTC. |
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 fifth CAN module and extended I/O (152 pins). | Targeted at flagship body controllers requiring larger code footprint and higher I/O count. | Select when >512 KB Flash or >119 GPIOs are required; not pin-compatible due to different package and pinout. |
| S912XDP512J0MAL | Same Flash/RAM, but uses older S12XD architecture without MPU, ECC, or enhanced XGATE; 144-pin LQFP. | Suitable for cost-sensitive legacy designs where system integrity features are not mandated. | Choose only if ECC, MPU, or XGATE enhancements are unnecessary; shares same package but lacks safety features. |
Compared with S912XEQ512F0MAL, MC9S12XEP100MAB offers greater memory and I/O scalability but requires PCB redesign, while S912XDP512J0MAL sacrifices system integrity for lower BOM cost and simpler qualification paths.
Availability
S912XEQ512F0MAL is available at Aetrix Electronics and suitable for automotive body control modules, gateway controllers, smart junction boxes, and chassis domain controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S912XEQ512F0MAL 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 markets, with deep heritage in automotive microcontrollers dating back to Motorola and Freescale.
The S12XE family was designed specifically for automotive body electronics and gateway applications demanding enhanced system integrity, including MPU-enforced memory partitioning, ECC-protected Flash, and XGATE-accelerated CAN/LIN processing.
FAQ
What is the maximum operating temperature range supported by the S912XEQ512F0MAL?
The S912XEQ512F0MAL is qualified for operation from -40°C to +125°C ambient temperature. This extended range meets AEC-Q100 Grade 1 requirements and enables deployment in under-hood locations such as junction boxes and gateway ECUs where thermal stress is significant. The S912XEQ512F0MAL achieves this through process optimization and on-chip thermal monitoring circuits integrated into its CRG and VREG modules.
Does the S912XEQ512F0MAL include hardware support for CAN FD?
The S912XEQ512F0MAL implements MSCAN modules compliant with CAN 2.0A/B only and does not support CAN FD data rates or extended frame formats. Its four MSCAN peripherals operate at up to 1 Mbps with standard/extended identifiers and 0–8 byte payloads. For CAN FD migration paths, designers should consider NXP's S32K series, as the S912XEQ512F0MAL's CAN controller architecture lacks the required arbitration/data phase separation and flexible data-rate switching logic.
How does the XGATE co-processor in the S912XEQ512F0MAL improve CAN performance?
The XGATE co-processor in the S912XEQ512F0MAL runs at 100 MHz and handles MSCAN message reception, transmission, filtering, and mailbox management independently of the CPU12X core. This offloading eliminates CPU polling or interrupt overhead, enabling full utilization of CAN bandwidth - up to 1 Mbps with zero message loss under sustained load. The S912XEQ512F0MAL leverages XGATE's DMA engine to move CAN data directly between buffers and peripherals without bus contention.
Is the S912XEQ512F0MAL pin-compatible with other S12XE family members?
The S912XEQ512F0MAL is pin-compatible within the 144-pin LQFP variant group of the S12XE family, including S912XEQ384 and S912XET256. All share identical mechanical dimensions, pin count, and signal mapping per the MC9S12XE Data Sheet Rev. 7. However, it is not pin-compatible with 208-pin MAPBGA or 112-pin LQFP variants due to differing pinouts and power/ground allocations.
What debugging interfaces are supported by the S912XEQ512F0MAL?
The S912XEQ512F0MAL supports Background Debug Mode (BDM) via a single-wire interface compliant with IEEE 1149.1 JTAG boundary-scan standards. It also integrates xDBG hardware debug logic with four comparators, 64-entry trace buffer, and tag-type breakpoints for both CPU12X and XGATE buses. These features enable non-intrusive flash programming, real-time variable inspection, and cycle-accurate simulation in CodeWarrior IDE.
S912XEQ512F0MAL 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:
S912XEQ512F0MAL FAQ
1.How can I place an order for S912XEQ512F0MAL through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEQ512F0MAL 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 S912XEQ512F0MAL reliable?
The price and inventory of S912XEQ512F0MAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEQ512F0MAL is usually 5 days.
3.What payment methods are accepted for S912XEQ512F0MAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEQ512F0MAL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEQ512F0MAL?
S912XEQ512F0MAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEQ512F0MAL 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 S912XEQ512F0MAL?
For technical support, including S912XEQ512F0MAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEQ512F0MAL requirements.
6.How does Aetrix verify that S912XEQ512F0MAL is sourced from the original manufacturer or authorized distributors?
All S912XEQ512F0MAL 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 S912XEQ512F0MAL meets industry standards.
7.What is the process for return or replacement of S912XEQ512F0MAL?
All S912XEQ512F0MAL units undergo pre-shipment inspection (PSI). If there is an issue with S912XEQ512F0MAL, 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 S912XEQ512F0MAL part is unused and in its original packaging.
Return procedure for S912XEQ512F0MAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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