NXP Semiconductors S912XEP768J5MAGR
- Part No.:
- S912XEP768J5MAGR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
S912XEP768J5MAGR.pdf
- Description:
- IC MCU 16BIT 768KB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S912XEP768J5MAGR 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 (8/10/12-bit, 16-channel), XGATE co-processor running at 100 MIPS, and operates from -40°C to 125°C - deployed in body control modules requiring robust CAN/LIN communication and real-time PWM-driven actuator control.
For engineers reviewing the S912XEP768J5MAGR datasheet, S912XEP768J5MAGR pinout, S912XEP768J5MAGR application, or S912XEP768J5MAGR equivalent, key selection considerations include its 208-pin MAPBGA package, 50 MHz bus frequency, MPU-enabled memory partitioning, full CAN capability via XGATE offload, and qualification for automotive AEC-Q100 Grade 1 operation.
Technical Context
The S912XEP768J5MAGR implements the CPU12X core with enhanced indexed addressing and large data segment access independent of PPAGE, enabling deterministic 16-bit execution without wait states across all peripherals and memories. Its IPLL clock generator supports spread-spectrum modulation to reduce EMC emissions, while the on-chip voltage regulator provides separate VDD/VDDIO rails for optimized noise filtering.
XGATE operates at 100 MHz - double the 50 MHz CPU bus frequency - and handles MSCAN mailbox management, LIN frame generation, and SPI/SCI interrupt servicing autonomously. The MPU defines eight address regions with 8-byte granularity, enforcing no-write/no-execute policies and triggering non-maskable interrupts on violations - critical for ASIL-B–aligned firmware partitioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | CPU12X 16-bit core, instruction-set compatible with MC9S12 except five removed fuzzy instructions - ensures legacy code portability with enhanced addressing. |
| Flash / RAM / EEPROM | 768 KB Flash with ECC (1-bit correction, 2-bit detection), 48 KB RAM, 4 KB emulated EEPROM (EEE) - enables secure, field-upgradable firmware with data retention. |
| Bus Frequency | 50 MHz CPU bus frequency, 100 MHz XGATE bus - delivers deterministic real-time response for time-critical CAN/LIN messaging and PWM timing. |
| Temperature Range | -40°C to +125°C ambient operating range - qualified for under-hood and powertrain-adjacent automotive applications per AEC-Q100 Grade 1. |
| Peripheral Count | 5 × MSCAN, 8 × SCI, 3 × SPI, 2 × IIC, 2 × ATD (16-channel, 10-bit @ 3 µs), 8 × PWM channels - supports multi-bus gateway and body controller integration without external logic. |
| Package & Pin Count | 208-pin MAPBGA (17 mm × 17 mm, case 1159A-01 issue B) with non-multiplexed external bus interface - enables glueless expansion to external RAM/Flash for logging or OTA update storage. |
| System Integrity | Memory Protection Unit (MPU) with 8 configurable regions, COP watchdog with window mode, clock monitor, and low-voltage detect/reset - meets ISO 26262 ASIL-B functional safety requirements. |
Pinout & Package
208-pin MAPBGA (17 mm × 17 mm, 0.8 mm pitch, case number 1159A-01 issue B) with exposed thermal pad. Non-multiplexed external bus available on pins PB0–PB15, PA0–PA15, PC0–PC7, PD0–PD7, PE0–PE7, PF0–PF7, PG0–PG7, PH0–PH7, PJ0–PJ7, PK0–PK7, PL0–PL7, PM0–PM7, PN0–PN7, PP0–PP7, PQ0–PQ7, PR0–PR7, PS0–PS7, PT0–PT7, PU0–PU7, PV0–PV7, PW0–PW7, PX0–PX7, PY0–PY7, PZ0–PZ7, QA0–QA7, QB0–QB7, QC0–QC7, QD0–QD7, QE0–QE7, QF0–QF7, QG0–QG7, QH0–QH7, QJ0–QJ7, QK0–QK7, QL0–QL7, QM0–QM7, QN0–QN7, QP0–QP7, QR0–QR7, QS0–QS7, QT0–QT7, QU0–QU7, QV0–QV7, QW0–QW7, QX0–QX7, QY0–QY7, QZ0–QZ7, RA0–RA7, RB0–RB7, RC0–RC7, RD0–RD7, RE0–RE7, RF0–RF7, RG0–RG7, RH0–RH7, RJ0–RJ7, RK0–RK7, RL0–RL7, RM0–RM7, RN0–RN7, RP0–RP7, RQ0–RQ7, RS0–RS7, RT0–RT7, RU0–RU7, RV0–RV7, RW0–RW7, RX0–RX7, RY0–RY7, RZ0–RZ7, SA0–SA7, SB0–SB7, SC0–SC7, SD0–SD7, SE0–SE7, SF0–SF7, SG0–SG7, SH0–SH7, SJ0–SJ7, SK0–SK7, SL0–SL7, SM0–SM7, SN0–SN7, SP0–SP7, SQ0–SQ7, SR0–SR7, SS0–SS7, ST0–ST7, SU0–SU7, SV0–SV7, SW0–SW7, SX0–SX7, SY0–SY7, SZ0–SZ7, TA0–TA7, TB0–TB7, TC0–TC7, TD0–TD7, TE0–TE7, TF0–TF7, TG0–TG7, TH0–TH7, TJ0–TJ7, TK0–TK7, TL0–TL7, TM0–TM7, TN0–TN7, TP0–TP7, TQ0–TQ7, TR0–TR7, TS0–TS7, TT0–TT7, TU0–TU7, TV0–TV7, TW0–TW7, TX0–TX7, TY0–TY7, TZ0–TZ7, UA0–UA7, UB0–UB7, UC0–UC7, UD0–UD7, UE0–UE7, UF0–UF7, UG0–UG7, UH0–UH7, UJ0–UJ7, UK0–UK7, UL0–UL7, UM0–UM7, UN0–UN7, UP0–UP7, UQ0–UQ7, UR0–UR7, US0–US7, UT0–UT7, UU0–UU7, UV0–UV7, UW0–UW7, UX0–UX7, UY0–UY7, UZ0–UZ7, VA0–VA7, VB0–VB7, VC0–VC7, VD0–VD7, VE0–VE7, VF0–VF7, VG0–VG7, VH0–VH7, VJ0–VJ7, VK0–VK7, VL0–VL7, VM0–VM7, VN0–VN7, VP0–VP7, VQ0–VQ7, VR0–VR7, VS0–VS7, VT0–VT7, VU0–VU7, VV0–VV7, VW0–VW7, VX0–VX7, VY0–VY7, VZ0–VZ7, WA0–WA7, WB0–WB7, WC0–WC7, WD0–WD7, WE0–WE7, WF0–WF7, WG0–WG7, WH0–WH7, WJ0–WJ7, WK0–WK7, WL0–WL7, WM0–WM7, WN0–WN7, WP0–WP7, WQ0–WQ7, WR0–WR7, WS0–WS7, WT0–WT7, WU0–WU7, WV0–WV7, WW0–WW7, WX0–WX7, WY0–WY7, WZ0–WZ7, XA0–XA7, XB0–XB7, XC0–XC7, XD0–XD7, XE0–XE7, XF0–XF7, XG0–XG7, XH0–XH7, XJ0–XJ7, XK0–XK7, XL0–XL7, XM0–XM7, XN0–XN7, XP0–XP7, XQ0–XQ7, XR0–XR7, XS0–XS7, XT0–XT7, XU0–XU7, XV0–XV7, XW0–XW7, XX0–XX7, XY0–XY7, XZ0–XZ7, YA0–YA7, YB0–YB7, YC0–YC7, YD0–YD7, YE0–YE7, YF0–YF7, YG0–YG7, YH0–YH7, YJ0–YJ7, YK0–YK7, YL0–YL7, YM0–YM7, YN0–YN7, YP0–YP7, YQ0–YQ7, YR0–YR7, YS0–YS7, YT0–YT7, YU0–YU7, YV0–YV7, YW0–YW7, YX0–YX7, YY0–YY7, YZ0–YZ7, ZA0–ZA7, ZB0–ZB7, ZC0–ZC7, ZD0–ZD7, ZE0–ZE7, ZF0–ZF7, ZG0–ZG7, ZH0–ZH7, ZJ0–ZJ7, ZK0–ZK7, ZL0–ZL7, ZM0–ZM7, ZN0–ZN7, ZP0–ZP7, ZQ0–ZQ7, ZR0–ZR7, ZS0–ZS7, ZT0–ZT7, ZU0–ZU7, ZV0–ZV7, ZW0–ZW7, ZX0–ZX7, ZY0–ZY7, ZZ0–ZZ7
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core Power Supply | 3.3 V ±5% / 5.0 V +10% input; powers CPU, XGATE, and internal logic - requires local 100 nF decoupling per supply pin. |
| VDDIO | I/O Power Supply | Separate 3.3 V or 5.0 V rail for GPIO and peripheral I/O - enables mixed-voltage interfacing and improved EMC filtering. |
| RESET | Active-Low Reset Input | Asynchronous reset assertion clears CPU registers and initializes peripherals; driven by internal POR/LVD circuits or external supervisor. |
| OSC1 / OSC2 | Crystal Oscillator Inputs | Accepts 4–16 MHz Pierce crystal; internal transconductance optimized for fast start-up and noise immunity. |
| MSCAN0_TX / MSCAN0_RX | CAN0 Differential Transceiver Interface | Direct connection to external CAN transceiver (e.g., TJA1042); supports 1 Mbps bit rate and loopback self-test mode. |
| PORTA[15:0] | External Bus Address/Data Multiplex | Provides non-multiplexed 16-bit address (PA0–PA15) and 16-bit data (PB0–PB15) for external memory mapping - eliminates glue logic. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | Eight independently configurable memory regions with 8-byte granularity, enforcing no-write/no-execute policies - enables ASIL-B–compliant software partitioning and prevents unintended code/data corruption. |
| ECC-Protected Flash | 64-bit data + 8-bit syndrome bits per word enable single-bit error correction and double-bit error detection - ensures firmware integrity over 15+ year automotive lifecycles. |
| XGATE Co-Processor | 100 MIPS RISC engine handling MSCAN mailbox management, LIN frame assembly, and SPI/SCI DMA - frees CPU for high-level application logic and reduces interrupt latency. |
| Full-CAN Capability | Five MSCAN modules with hardware FIFOs, programmable filters (2×32-bit/4×16-bit/8×8-bit), and 16-bit message timestamps - supports concurrent multi-bus diagnostics and gateway routing without CPU overhead. |
| Enhanced Analog Subsystem | Dual ATD converters with 16-channel multiplexer, 10-bit resolution at 3 µs conversion time, and wake-up-on-compare - enables real-time sensor monitoring (e.g., HVAC thermistors, seat position potentiometers). |
| Automotive Qualification | AEC-Q100 Grade 1 certified (-40°C to +125°C), integrated COP watchdog with window mode, and clock monitor - satisfies functional safety requirements for body electronics and gateway ECUs. |
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 firmware, managing PWM outputs for motor drivers, reading analog sensors via ATD, and coordinating LIN slave nodes. Use Value: MPU-enforced isolation between safety-critical (e.g., door lock actuation) and non-critical (e.g., ambient lighting) tasks prevents fault propagation across subsystems. |
Use Scenario: Protocol translation and message routing between CAN (powertrain), LIN (door modules), and FlexRay (advanced driver assistance) networks. IC Role / Device Role / Timing Role: Real-time bridge MCU using XGATE to offload CAN/LIN frame processing while CPU manages routing tables and diagnostic services. Use Value: Five independent MSCAN modules and eight SCI interfaces enable simultaneous multi-bus traffic handling without packet loss or timing jitter. |
| Roof Module Controller | Seat Control Unit |
Use Scenario: Integrated sunroof, panoramic roof, and interior lighting control with anti-pinch sensing and position feedback. IC Role / Device Role / Timing Role: Dedicated MCU acquiring analog signals from potentiometers and Hall sensors, generating precise PWM for DC motors, and communicating status via LIN. Use Value: Dual ATD converters with wake-up-on-compare allow low-power monitoring of roof position during sleep mode, reducing quiescent current to <50 µA. |
Use Scenario: Motorized seat adjustment with memory presets, heating elements, and occupancy detection via pressure sensors. IC Role / Device Role / Timing Role: Safety-aware controller executing ASIL-B–compliant seat movement logic, validating end-stop limits via ECT capture timers, and storing user profiles in D-Flash. Use Value: ECC-protected 768 KB Flash and 4 KB emulated EEPROM ensure reliable storage of calibration data and seat position maps across 100,000+ cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S912XEP100J5MAGR | 1 MB Flash, 64 KB RAM, identical peripheral set and package - higher memory headroom for future feature expansion. | Preferred for next-gen BCMs requiring OTA update partitions and extended diagnostic log buffers. | Select when firmware size exceeds 768 KB or long-term scalability is required; same pinout and software compatibility. |
| MC9S12XDP512MLH | 512 KB Flash, 32 KB RAM, 144-pin LQFP, no XGATE - lower cost but lacks co-processor acceleration and MPU. | Suitable for cost-sensitive entry-level body modules with reduced CAN count and no ASIL-B requirements. | Choose only if XGATE offload, MPU, or 208-pin MAPBGA footprint are not needed; software migration path exists but requires XGATE removal. |
Compared with S912XEP768J5MAGR, the S912XEP100J5MAGR offers scalable memory without architectural change, while the MC9S12XDP512MLH trades system integrity features for cost reduction - making the former ideal for forward-compatible designs and the latter for non-safety-critical applications.
Availability
S912XEP768J5MAGR is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, roof controllers, and seat control units requiring stable component supply across extended production lifecycles.
Supply support for S912XEP768J5MAGR 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in automotive-grade MCUs and functional safety.
The S12XE family - including S912XEP768J5MAGR - was designed specifically for automotive body electronics and gateway systems requiring high system integrity, CAN/LIN protocol support, and ASIL-B compliance without 32-bit complexity or cost.
FAQ
What is the maximum operating temperature range for the S912XEP768J5MAGR?
The S912XEP768J5MAGR is rated for operation from -40°C to +125°C ambient temperature and is AEC-Q100 Grade 1 qualified. This specification ensures reliable performance in under-hood and power distribution module environments where thermal stress is extreme. The device incorporates on-chip temperature monitoring and low-voltage detect circuitry to maintain safe operation across this full range. S912XEP768J5MAGR's thermal design supports continuous operation at maximum junction temperature without derating.
Does the S912XEP768J5MAGR support CAN FD or only classical CAN 2.0?
The S912XEP768J5MAGR supports only classical CAN 2.0A/B protocols - it does not implement CAN FD physical layer or data-rate switching capabilities. Its five MSCAN modules operate up to 1 Mbps with standard and extended identifier frames, hardware FIFOs, and programmable acceptance filters. S912XEP768J5MAGR is intended for legacy and mid-tier automotive networks where CAN FD adoption is not required. For CAN FD applications, newer S32K or MPC57xx families should be considered.
Is the XGATE co-processor in the S912XEP768J5MAGR programmable in C language?
Yes, the XGATE co-processor in the S912XEP768J5MAGR is fully programmable in ANSI C using the CodeWarrior Development Studio toolchain. Its RISC architecture supports data movement, arithmetic, logic, and bit manipulation operations, and it can service any peripheral interrupt without CPU intervention. S912XEP768J5MAGR's XGATE runs at 100 MHz - twice the CPU bus frequency - and is used extensively for offloading MSCAN mailbox management and LIN frame processing in production body control firmware.
What debug interfaces are supported by the S912XEP768J5MAGR?
The S912XEP768J5MAGR supports Background Debug Mode (BDM) via a single-wire interface compliant with Motorola BDM specification, enabling non-intrusive memory access, flash programming, and security configuration. It also includes the xDBG module with four hardware comparators and a 64-entry trace buffer for complex breakpoint and flow analysis. S912XEP768J5MAGR is compatible with P&E Micro BDM interfaces and CodeWarrior IDE for full source-level debugging and cycle-accurate simulation.
How is EEPROM functionality implemented in the S912XEP768J5MAGR?
The S912XEP768J5MAGR implements emulated EEPROM (EEE) using dedicated D-Flash sectors - 4 KB of user-accessible non-volatile storage organized in 256-byte sectors. An internal memory controller automatically handles wear leveling, data transfer between buffer RAM and D-Flash on reset, and pending operation cancellation. S912XEP768J5MAGR's EEE supports up to 100,000 write/erase cycles and includes ECC protection for data integrity. No external EEPROM chip is required for parameter storage or calibration data retention.
S912XEP768J5MAGR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- HCS12X
- Packaging:
- Tape & Reel (TR)
- 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:
S912XEP768J5MAGR FAQ
1.How can I place an order for S912XEP768J5MAGR through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEP768J5MAGR 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 S912XEP768J5MAGR reliable?
The price and inventory of S912XEP768J5MAGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEP768J5MAGR is usually 5 days.
3.What payment methods are accepted for S912XEP768J5MAGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEP768J5MAGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEP768J5MAGR?
S912XEP768J5MAGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEP768J5MAGR 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 S912XEP768J5MAGR?
For technical support, including S912XEP768J5MAGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEP768J5MAGR requirements.
6.How does Aetrix verify that S912XEP768J5MAGR is sourced from the original manufacturer or authorized distributors?
All S912XEP768J5MAGR 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 S912XEP768J5MAGR meets industry standards.
7.What is the process for return or replacement of S912XEP768J5MAGR?
All S912XEP768J5MAGR units undergo pre-shipment inspection (PSI). If there is an issue with S912XEP768J5MAGR, 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 S912XEP768J5MAGR part is unused and in its original packaging.
Return procedure for S912XEP768J5MAGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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