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NXP Semiconductors S912XEP100J5MAGR
- Part No.:
- S912XEP100J5MAGR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
S912XEP100J5MAGR.pdf
- Description:
- IC MCU 16BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,961
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Product details
Overview
S912XEP100J5MAGR from NXP Semiconductors (formerly Freescale) is a 16-bit automotive microcontroller featuring the CPU12X core, 1 MB Flash, 64 KB RAM, and 4 KB emulated EEPROM. It integrates five MSCAN modules, dual ATD converters (8/10/12-bit, 16-channel), XGATE co-processor running at 100 MHz, Memory Protection Unit (MPU), and ECC-enabled Flash for fault-tolerant operation in body control modules.
For engineers reviewing the S912XEP100J5MAGR datasheet, S912XEP100J5MAGR pinout, S912XEP100J5MAGR application, or S912XEP100J5MAGR equivalent, this MCU delivers deterministic real-time performance with full CAN/LIN offload via XGATE, robust system integrity features (MPU/ECC/COP), and extended temperature support up to 125°C - critical for automotive ECU design and qualification.
Technical Context
The S912XEP100J5MAGR implements a 16-bit CPU12X core with 50 MHz bus frequency and an independent 100 MHz XGATE RISC co-processor optimized for peripheral servicing. Its memory subsystem includes 1 MB of Flash with 64+8-bit ECC (1-bit correction, 2-bit detection), 64 KB RAM, and 4 KB emulated EEPROM backed by 32 KB D-Flash.
It supports five fully independent MSCAN modules compliant with CAN 2.0A/B, each capable of 1 Mbps operation and enhanced by XGATE for FULL-CAN mailbox handling. The device operates across -40°C to 125°C with 3.3–5.0 V supply, separate I/O and core voltage regulators, and integrated clock monitoring, POR, LVD, and configurable windowed COP watchdog.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | CPU12X 16-bit core; instruction-set compatible with MC9S12 except five removed fuzzy instructions. |
| Max Bus Frequency | 50 MHz CPU bus; enables deterministic real-time execution with zero-wait-state access to all peripherals and memories. |
| Flash Memory | 1 MB with 64+8-bit ECC; provides single-bit error correction and double-bit error detection for ASIL-B-relevant firmware storage. |
| RAM | 64 KB SRAM; supports fast data buffering, XGATE task stacks, and real-time variable storage without external memory. |
| ADC Resolution | 8/10/12-bit ATD with 16-channel multiplexer; allows flexible sensor interface selection per channel for body electronics sensing. |
| MSCAN Modules | 5 independent CAN controllers; enables multi-bus gateway or distributed body controller architecture without external transceivers. |
| XGATE Performance | 100 MIPS RISC co-processor; handles CAN/LIN/SCI/SPI interrupts autonomously, freeing CPU for application logic. |
| Operating Temp | -40°C to +125°C; qualified for under-hood and powertrain-proximate automotive applications requiring extended thermal margin. |
Pinout & Package
Package: 208-pin MAPBGA (17 mm × 17 mm, case no. 1159A-01 issue B). Pinout validated per MC9S12XEP100 datasheet Rev. 9 and Freescale reference schematics for automotive body control designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDIO | Power Supply Inputs | Dual regulated supplies: VDD for core (3.3 V ±5%), VDDIO for I/O (3.3–5.0 V); enable EMC-optimized filtering and mixed-voltage interfacing. |
| RESET | Active-Low Reset Input | Asynchronous reset with internal pull-up; initiates POR sequence and clears MPU, registers, and peripheral states. |
| CRGCLK, EXTAL, XTAL | Oscillator Interface | Supports 4–16 MHz crystal (Pierce mode) or 2–40 MHz full-swing crystal; feeds IPLL for stable 50 MHz bus clock generation. |
| CAN0_TX / CAN0_RX | CAN Physical Layer Interface | Differential pair for CAN0 bus; requires external transceiver (e.g., TJA1042) to meet ISO 11898-2 physical layer compliance. |
| PORTH[7:0] | General-Purpose I/O Bank | 8-bit port with configurable pull-up/down, hysteresis, and drive strength; used for LED drivers, switch inputs, or PWM outputs in body control. |
| AD0[7:0] | Analog Input Multiplexer | 8 dedicated analog input pins for ATD0; supports simultaneous sampling of cabin temperature, battery voltage, and ambient light sensors. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | 8 programmable address regions with 8-byte granularity; enforces no-write/no-execute policies and triggers NMI on violation - essential for ASIL-B partitioning. |
| XGATE Co-Processor | Programmable in C; services all peripherals including CAN, LIN, SPI, and ATD without CPU intervention - reduces CPU load by >70% in gateway use cases. |
| ECC-Protected Flash | 64+8-bit ECC per 64-bit word; corrects single-bit faults and detects double-bit faults during read/write - meets ISO 26262 SEooC requirements for flash integrity. |
| Enhanced Capture Timer (ECT) | 8×16-bit channels with noise-immune delay counters and 16-bit capture buffers; enables precise timing of door lock actuator pulses or wiper motor commutation. |
| Full-CAN with XGATE | Up to 64 mailboxes per MSCAN module when XGATE-managed; eliminates CPU polling and supports concurrent message filtering, transmission, and timestamping. |
| API Timer | Trimmable ±10% accuracy, 0.2 ms–13 s range; provides low-power wake-up capability in Full Stop mode - extends battery life in always-on vehicle modules. |
Applications
| Body Control Module (BCM) | Vehicle Gateway |
|---|---|
|
Use Scenario: Centralized management of lighting, windows, locks, and HVAC actuators in modern passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU executing body control logic, driving PWM outputs for lamps/motors, and reading analog/digital sensors via ATD and GPIO. Use Value: Integrated 5x CAN, XGATE offload, and 125°C rating eliminate need for external CAN controllers or thermal derating - reducing BOM count and enabling compact under-dash placement. |
Use Scenario: Protocol translation between high-speed powertrain CAN, low-speed body CAN, and LIN subnetworks (e.g., mirror, seat, HVAC nodes). IC Role / Device Role / Timing Role: Real-time bridge MCU managing concurrent CAN frame routing, LIN master scheduling, and diagnostic message forwarding. Use Value: XGATE-managed FULL-CAN and LIN SCI modules handle >200 messages/sec with <10 µs jitter - meeting OEM gateway latency specs without software stack overhead. |
| Smart Junction Box | Roof Module Controller |
|
Use Scenario: Power distribution and load switching for 12V accessories (e.g., sunroof, rear defogger, USB chargers) with short-circuit and overtemperature protection. IC Role / Device Role / Timing Role: Safety-critical power manager using ECT for current-sense timing, PWM for soft-start control, and MPU to isolate driver firmware from application code. Use Value: ECC Flash and MPU enable ASIL-B compliance per ISO 26262 Part 6; 152 I/O pins support direct connection to 20+ smart FETs without glue logic. |
Use Scenario: Integrated control of panoramic sunroof, interior lighting, rain sensor, and automatic dimming mirror in premium roof modules. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog (light/temp), digital (rain), and LIN (mirror position) inputs while driving RGB LED strips via PWM. Use Value: Dual ATD converters with internal oscillator allow continuous analog monitoring during STOP mode; API timer enables 5-second wake-up for periodic status reporting 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 |
|---|---|---|---|
| S912XEP768J5MAGR | 768 KB Flash, 48 KB RAM, same 208-pin MAPBGA package and peripheral set (5x CAN, XGATE, MPU, ECC). | Targeted at cost-optimized BCMs with reduced firmware footprint; lacks 256 KB Flash headroom for future OTA updates. | Select when firmware size remains below 650 KB and long-term field update capacity is not required. |
| MC9S12XDP512CPV | 512 KB Flash, 32 KB RAM, 112-pin LQFP; no D-Flash or emulated EEPROM; only 3x CAN modules and no XGATE-enhanced LIN support. | Suitable for entry-level gateways or simple junction boxes where full CAN/LIN offload and ASIL-B memory protection are not mandated. | Choose for legacy platform reuse where PCB layout and toolchain compatibility outweigh advanced safety features. |
Compared with S912XEP100J5MAGR, the S912XEP768J5MAGR offers identical architecture and safety features at lower memory density, while the MC9S12XDP512CPV sacrifices XGATE, MPU, and ECC to reduce cost and package size - making it viable only for non-safety-critical or thermally constrained applications.
Availability
S912XEP100J5MAGR is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, smart junction boxes, and roof module controllers requiring stable component supply across extended temperature and long product lifecycles.
Supply support for S912XEP100J5MAGR 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 MCUs dating to Motorola's S12 lineage.
The S12XE family - including S912XEP100J5MAGR - was designed specifically for ASIL-B automotive body electronics, emphasizing system integrity (MPU/ECC/COP), real-time determinism (XGATE), and multi-bus integration (5x CAN + LIN) without compromising 16-bit cost-efficiency.
FAQ
What is the maximum operating temperature specification for the S912XEP100J5MAGR?
The S912XEP100J5MAGR is rated for operation from -40°C to +125°C ambient temperature. This extended grade is validated per AEC-Q100 Grade 0 and supports under-hood and power distribution module placements where thermal margins exceed standard industrial ranges. The device maintains full functionality - including Flash programming, CAN communication, and XGATE operation - across this full range.
Does the S912XEP100J5MAGR include hardware memory protection features?
Yes, the S912XEP100J5MAGR integrates a Memory Protection Unit (MPU) supporting eight definable address regions with 8-byte granularity. It enforces no-write and no-execute attributes and generates a non-maskable interrupt on access violation - a foundational feature for ASIL-B software partitioning and ISO 26262 compliance in automotive body control applications using the S912XEP100J5MAGR.
How many CAN interfaces does the S912XEP100J5MAGR support, and what protocol versions are implemented?
The S912XEP100J5MAGR supports five independent MSCAN modules, each compliant with CAN 2.0A and CAN 2.0B protocols. All modules support standard and extended identifiers, programmable bit rates up to 1 Mbps, and hardware FIFOs. When paired with the XGATE co-processor, they deliver FULL-CAN capability - enabling scalable mailbox management and deterministic message handling without CPU intervention in the S912XEP100J5MAGR.
What type of Flash memory technology and error correction is implemented in the S912XEP100J5MAGR?
The S912XEP100J5MAGR uses embedded Flash memory with 64 data bits plus 8 syndrome ECC bits per word. This configuration provides single-bit error correction and double-bit error detection during read operations - meeting ISO 26262 requirements for permanent memory integrity. The Flash also supports automated program/erase algorithms, security locking, and sense-amp margin tuning, all integral to the S912XEP100J5MAGR's functional safety architecture.
Is the XGATE co-processor in the S912XEP100J5MAGR programmable in C, and what peripherals can it service?
Yes, the XGATE co-processor in the S912XEP100J5MAGR is fully programmable in ANSI C using CodeWarrior development tools. It can autonomously service all on-chip peripherals - including MSCAN, LIN-capable SCIs, SPI, IIC, ATD, ECT, and PWM - transferring data to/from RAM without CPU wait states. This capability is central to the S912XEP100J5MAGR's real-time performance in automotive gateway and body control applications.
S912XEP100J5MAGR 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:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 64K 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:
S912XEP100J5MAGR FAQ
1.How can I place an order for S912XEP100J5MAGR through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEP100J5MAGR 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 S912XEP100J5MAGR reliable?
The price and inventory of S912XEP100J5MAGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEP100J5MAGR is usually 5 days.
3.What payment methods are accepted for S912XEP100J5MAGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEP100J5MAGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEP100J5MAGR?
S912XEP100J5MAGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEP100J5MAGR 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 S912XEP100J5MAGR?
For technical support, including S912XEP100J5MAGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEP100J5MAGR requirements.
6.How does Aetrix verify that S912XEP100J5MAGR is sourced from the original manufacturer or authorized distributors?
All S912XEP100J5MAGR 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 S912XEP100J5MAGR meets industry standards.
7.What is the process for return or replacement of S912XEP100J5MAGR?
All S912XEP100J5MAGR units undergo pre-shipment inspection (PSI). If there is an issue with S912XEP100J5MAGR, 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 S912XEP100J5MAGR part is unused and in its original packaging.
Return procedure for S912XEP100J5MAGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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