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NXP Semiconductors S912XEP768J5MAG
- Part No.:
- S912XEP768J5MAG
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
S912XEP768J5MAG.pdf
- Description:
- IC MCU 16BIT 768KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,275
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Product details
Overview
S912XEP768J5MAG from NXP Semiconductors (formerly Freescale) is a 16-bit automotive microcontroller featuring the CPU12X core, 768 KB Flash, 48 KB RAM, and Memory Protection Unit (MPU) with ECC for system integrity. It integrates five MSCAN modules, dual ATD converters (10-bit, 16-channel), and an enhanced XGATE co-processor running at 100 MIPS to offload CAN/LIN communication in body control units.
For engineers reviewing the S912XEP768J5MAG datasheet, S912XEP768J5MAG pinout, S912XEP768J5MAG application, or S912XEP768J5MAG equivalent, key selection criteria include its -40°C to 125°C operating range, 50 MHz bus frequency, 208-pin MAPBGA package, and full CAN/LIN gateway capability enabled by XGATE-assisted peripheral handling.
Technical Context
The S912XEP768J5MAG implements a 16-bit CPU12X core with enhanced indexed addressing and large data segment access independent of PPAGE, delivering deterministic real-time performance without fuzzy instructions (MEM, WAV, etc.). Its IPLL clock generator supports frequency modulation for EMC reduction and enables fast wake-up from STOP mode via self-clock operation.
XGATE operates at 100 MHz-twice the CPU bus frequency-with full programmability in C and dedicated interrupt levels to service high-priority tasks like CAN mailbox management. The MPU defines eight address regions with 8-byte granularity, enforcing no-write/no-execute policies and triggering non-maskable interrupts on violations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | CPU12X 16-bit core compatible with MC9S12 instruction set (excluding 5 fuzzy instructions); enables legacy code reuse with deterministic timing. |
| Flash Memory | 768 KB Flash with 64+8-bit ECC (1-bit correction, 2-bit detection); ensures reliable firmware storage in automotive environments. |
| RAM | 48 KB on-chip RAM; sufficient for real-time task stacks, XGATE buffers, and CAN message queues in multi-bus gateways. |
| Operating Voltage | 3.3 V ±5% / +10% to 5.0 V +10%; supports direct connection to automotive battery rails with minimal external regulation. |
| Temperature Range | -40°C to 125°C ambient; qualified for under-hood and powertrain-adjacent body control module placement. |
| Bus Frequency | 50 MHz maximum CPU bus frequency; delivers 25 MIPS throughput for time-critical sensor polling and PWM generation. |
| CAN Modules | 5 integrated MSCAN modules (CAN0–CAN4); enables concurrent communication across multiple vehicle domains (body, chassis, infotainment). |
| XGATE Performance | 100 MIPS RISC co-processor; handles full CAN protocol stack and LIN framing independently, freeing CPU for application logic. |
Pinout & Package
Package: 208-pin MAPBGA (17 mm × 17 mm, case no 1159A-01 issue B), RoHS-compliant, with exposed thermal pad for enhanced heat dissipation in sealed automotive enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDIO | Power supply inputs | Dual-supply architecture separates core and I/O domains for optimized EMC filtering and noise isolation. |
| VREG_IN, VREG_OUT | On-chip voltage regulator interface | Enables internal 3.3 V or 5 V regulation; eliminates need for external LDOs in cost-sensitive body modules. |
| RESET | Active-low reset input | Accepts external reset signals and responds to internal POR, LVD, COP timeout, and MPU violation events. |
| OSC1/OSC2 | Clock crystal connections | Supports 4–16 MHz Pierce oscillator or 2–40 MHz full-swing crystal; provides stable timing source for IPLL lock. |
| MSCAN0_TX/MSCAN0_RX | CAN0 differential transceiver pins | Direct interface to ISO 11898-2 physical layer; requires only external CAN transceiver and common-mode choke. |
| PORTH[7:0] | General-purpose I/O port | Configurable as digital input/output with hysteresis, pull-up/down, and drive strength control; supports wake-up from STOP/WAIT. |
| XGATE_IRQ | XGATE interrupt request output | Signals CPU when XGATE completes critical tasks (e.g., CAN message processing), enabling low-latency handoff. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | 8 configurable address regions with 8-byte granularity; enforces supervisor/user memory access separation and prevents unauthorized code execution. |
| ECC on Flash & D-Flash | 64+8-bit ECC per 64-bit word enables single-bit correction and double-bit detection during read/write; meets ASIL-B functional safety requirements. |
| XGATE Co-processor | Programmable in C with dual interrupt levels; offloads CAN/LIN protocol handling, ATD conversions, and SPI transfers without CPU intervention. |
| Enhanced MSCAN | 5 modules supporting CAN 2.0A/B, 1 Mbps bit rate, 16-bit time stamping, and FULL-CAN capability when paired with XGATE. |
| Flexible Clock Generation | IPLL with spread-spectrum option reduces EMI; supports fast wake-up from STOP mode using internal self-clock for immediate program execution. |
| Emulated EEPROM (EEE) | 4 KB D-Flash-based EEE with automatic buffer-to-flash transfer on reset; eliminates need for external serial EEPROM in body control applications. |
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 executing application logic, managing PWM-driven power drivers, and reading analog sensors via ATD. Use Value: MPU and ECC ensure firmware integrity during voltage transients; XGATE handles CAN/LIN traffic so CPU remains available for real-time actuator control. |
Use Scenario: Protocol translation between high-speed CAN-FD backbone and low-speed LIN subnets for mirror, seat, and climate subsystems. IC Role / Device Role / Timing Role: Dual-bus bridge with five CAN controllers and multiple SCI modules configured as LIN masters/slaves. Use Value: XGATE executes full CAN protocol stack and LIN frame assembly concurrently, enabling <100 µs latency between bus domains. |
| Roof Module Controller | Smart Junction Box |
|
Use Scenario: Integrated control of sunroof, panoramic roof, and overhead console switches/sensors in premium vehicle trims. IC Role / Device Role / Timing Role: Real-time sensor fusion hub using ATD inputs and PWM outputs, with CAN diagnostics and LIN local comms. Use Value: 10-bit ATD with 3 µs conversion time captures fast-changing potentiometer and Hall-effect signals; API timer enables precise 1–5 s timeout for anti-pinch logic. |
Use Scenario: Power distribution and load monitoring unit replacing mechanical fuses with intelligent electronic switching in engine bay junction boxes. IC Role / Device Role / Timing Role: High-reliability power manager using ECT timers for current sensing, PWM for MOSFET gate drive, and CAN for fault reporting. Use Value: ECC-protected Flash ensures fail-safe boot code persistence; 125°C rating allows operation in high-ambient under-hood environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100MAL | 1 MB Flash, 64 KB RAM, identical 208-pin MAPBGA package and peripheral set; higher memory density for complex diagnostics and OTA update buffers. | Preferred for next-gen BCMs requiring larger bootloader partitions and extended UDS diagnostic services. | Select when future-proofing for software-defined vehicle features without changing PCB layout. |
| S912XEQ512J2MAG | 512 KB Flash, 32 KB RAM, same CPU12X core and XGATE; offered in 144-pin LQFP (20×20 mm) instead of 208-pin MAPBGA. | Suitable for space-constrained modules where thermal performance is less critical than footprint. | Choose for cost-sensitive interior modules where reduced Flash/RAM suffices and MAPBGA rework is undesirable. |
Compared with S912XEP768J5MAG, MC9S12XEP100MAL offers greater firmware headroom for evolving OEM requirements, while S912XEQ512J2MAG trades memory and package size for lower assembly cost and simpler thermal design-neither is pin-compatible, but both share identical peripheral register maps and XGATE toolchain support.
Availability
S912XEP768J5MAG is available at Aetrix Electronics and suitable for automotive body control, gateway systems, and smart junction box designs requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 Grade 1 qualification.
Supply support for S912XEP768J5MAG 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 expertise in automotive-grade MCUs and functional safety compliance.
The S12XE family-including S912XEP768J5MAG-is engineered for automotive body electronics demanding high system integrity, real-time responsiveness, and robustness against voltage transients, EMI, and temperature extremes.
FAQ
What is the maximum operating temperature specification for the S912XEP768J5MAG?
The S912XEP768J5MAG is rated for operation from -40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 1 requirements for under-hood and powertrain-proximate automotive applications. This rating applies specifically to the 208-pin MAPBGA variant and is validated across full voltage and frequency ranges.
Does the S912XEP768J5MAG support CAN FD or only classical CAN 2.0?
The S912XEP768J5MAG supports only classical CAN 2.0A/B protocols up to 1 Mbps, as implemented in its five MSCAN modules. It does not include CAN FD controllers or transceivers; CAN FD capability requires newer S32K or MPC57xx families from NXP.
How many XGATE interrupt levels does the S912XEP768J5MAG support?
The S912XEP768J5MAG supports two XGATE interrupt levels-high and low priority-enabling deterministic handling of time-critical tasks such as CAN message reception and LIN frame transmission while allowing background processing of less urgent operations.
Is the S912XEP768J5MAG pin-compatible with earlier S12XD family devices?
No, the S912XEP768J5MAG is not pin-compatible with S12XD devices. While it maintains high software compatibility with the S12XD family, its 208-pin MAPBGA package and expanded peripheral set require a new PCB layout. Pin compatibility exists only within the S12XE family's 208-pin variants.
What debug interface does the S912XEP768J5MAG use, and is it supported by modern tools?
The S912XEP768J5MAG uses the single-wire Background Debug Mode (BDM) interface, fully supported by legacy CodeWarrior IDE and third-party tools from P&E Micro and iSystem. While not SWD or JTAG, BDM enables non-intrusive memory access, flash programming, and real-time debugging of both CPU12X and XGATE cores.
S912XEP768J5MAG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-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:
- 119
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S912XEP768J5MAG FAQ
1.How can I place an order for S912XEP768J5MAG through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEP768J5MAG 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 S912XEP768J5MAG reliable?
The price and inventory of S912XEP768J5MAG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEP768J5MAG is usually 5 days.
3.What payment methods are accepted for S912XEP768J5MAG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEP768J5MAG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEP768J5MAG?
S912XEP768J5MAG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEP768J5MAG 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 S912XEP768J5MAG?
For technical support, including S912XEP768J5MAG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEP768J5MAG requirements.
6.How does Aetrix verify that S912XEP768J5MAG is sourced from the original manufacturer or authorized distributors?
All S912XEP768J5MAG 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 S912XEP768J5MAG meets industry standards.
7.What is the process for return or replacement of S912XEP768J5MAG?
All S912XEP768J5MAG units undergo pre-shipment inspection (PSI). If there is an issue with S912XEP768J5MAG, 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 S912XEP768J5MAG part is unused and in its original packaging.
Return procedure for S912XEP768J5MAG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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