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NXP Semiconductors S912XEQ512BVAGR
- Part No.:
- S912XEQ512BVAGR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
S912XEQ512BVAGR.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S912XEQ512BVAGR from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12X microcontroller featuring a 50 MHz S12X CPU core, 512 KB on-chip Flash memory, 32 KB RAM, and integrated XGATE co-processor for offloading real-time I/O tasks. It supports CAN 2.0B, SPI, SCI, IIC, PWM, ADC12 (12-bit, 16-channel), and ECT timer modules. Designed for automotive body control modules and industrial motor control systems requiring deterministic interrupt response and functional safety support.
For engineers reviewing the S912XEQ512BVAGR datasheet, S912XEQ512BVAGR pinout, S912XEQ512BVAGR application, or S912XEQ512BVAGR equivalent, key selection criteria include its 208-pin MAPBGA package, 5V-tolerant I/O, 12-bit ADC with hardware trigger synchronization, XGATE's dual-context interrupt handling, and CAN message filtering capability - all critical for ASIL-B–aligned embedded control designs.
Technical Context
The S912XEQ512BVAGR implements the S12X CPU12XV2 core with 5-stage pipeline, 16-bit data bus, and 24-bit address space. Its XGATE module operates as an independent 16-bit RISC engine with dedicated 2 KB RAM and programmable priority-based interrupt vectoring, enabling concurrent background processing without CPU intervention.
Memory subsystem includes 512 KB Flash organized in 2 KB sectors with EEPROM emulation, 32 KB SRAM (8 KB XGATE-local), and Memory Protection Unit (MPU) with 8 configurable protection descriptors. Clock system integrates PLL, internal voltage regulator (VREG), and Pierce oscillator support up to 32 MHz external crystal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | S12X CPU12XV2, 50 MHz max operation - enables deterministic 16-bit control loops with sub-200 ns instruction cycle time. |
| Flash Memory | 512 KB on-chip Flash with 2 KB sector erase - supports field firmware updates and EEPROM emulation via NV memory routines. |
| RAM | 32 KB SRAM (including 8 KB XGATE-local RAM) - provides low-latency data buffering for real-time sensor fusion and CAN Tx/Rx queues. |
| Analog-to-Digital Converter | ADC12B16CV1: 12-bit, 16-channel, 8 µs conversion time - delivers ±1 LSB INL/DNL for precision current/voltage sensing in motor drives. |
| Communication Interfaces | 2× CAN 2.0B controllers, 3× SPI, 2× SCI, 1× IIC - enables multi-bus vehicle network integration with hardware message buffering and FIFOs. |
| Timer System | ECT16B8CV3 (8-channel enhanced capture timer) + TIM16B8CV2 (8-channel general-purpose timer) - supports quadrature decoding, PWM dead-time insertion, and synchronized ADC triggering. |
| Package | 208-pin MAPBGA (17 × 17 mm, 0.8 mm pitch) - meets automotive PCB density requirements while supporting thermal dissipation up to 105°C ambient. |
Pinout & Package
208-pin MAPBGA (17 mm × 17 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level 3. Package drawing referenced in Appendix B of MC9S12XE-Family Reference Manual Rev. 1.25.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate digital (VDD), analog (VDDA), and PLL (VDDPLL) rails enable noise isolation for ADC and clock generation circuits. |
| VSS, VSSA, VSSPLL | Ground returns | Dedicated analog (VSSA) and PLL (VSSPLL) grounds minimize coupling noise into sensitive analog/RF paths. |
| XTAL, EXTAL | Pierce oscillator terminals | Supports 4–32 MHz crystal or ceramic resonator; internal load capacitors configurable via register for board-level tuning. |
| CAN0_TX, CAN0_RX | CAN controller channel 0 differential I/O | 5V-tolerant, slew-rate controlled outputs compatible with ISO 11898-2 transceivers for automotive CAN FD readiness. |
| AD0[0–15] | Analog input channels | 16 single-ended or 8 differential inputs with programmable gain stage; supports hardware-triggered conversions from ECT or PIT. |
| PT0–PT7, PB0–PB7, etc. | Multi-function GPIO ports | Configurable as digital I/O, peripheral function pins (SCI, SPI, PWM), or interrupt-capable inputs with polarity select and pull-up/down control. |
Key Features
| Feature | Design Value |
|---|---|
| XGATE co-processor | Independent 16-bit RISC engine with 2 KB local RAM and 64-entry interrupt vector table - reduces main CPU interrupt latency by >70% in CAN+ADC+PWM concurrent workloads. |
| Memory Protection Unit (MPU) | 8 configurable protection descriptors with read/write/execute permissions per 1 KB region - enforces ASIL-B software partitioning and prevents unintended memory access. |
| Enhanced Capture Timer (ECT) | 8-channel 16-bit timer with input capture, output compare, PWM generation, and quadrature decode - supports precise motor phase timing and encoder position tracking. |
| ADC12 with hardware triggers | 12-bit resolution, 16-channel mux, 8 µs conversion, and synchronous trigger from ECT/PIT - eliminates software polling overhead in closed-loop current control. |
| Background Debug Module (BDM) | Single-wire debug interface with full memory/register access, flash programming, and real-time trace - enables in-vehicle diagnostics and calibration without halting CPU execution. |
Applications
| Automotive Body Control Module (BCM) | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC actuators in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main system controller executing LIN/CAN gateway logic, PWM fan speed regulation, and ADC-based temperature monitoring. Use Value: XGATE handles LIN frame assembly and CAN message filtering in parallel, freeing S12X core for high-priority safety-critical tasks like intrusion detection. |
Use Scenario: Sensorless BLDC motor control in factory automation equipment with real-time torque regulation. IC Role / Device Role / Timing Role: Real-time executor of FOC (Field-Oriented Control) algorithm, ADC sampling, PWM generation, and fault monitoring. Use Value: ECT's synchronized ADC triggers and dead-time insertion ensure precise current sampling at motor commutation edges, improving efficiency by ≥3% vs. software-timed alternatives. |
| Commercial Vehicle Telematics Gateway | Off-Highway Equipment Engine Management |
Use Scenario: Aggregation and routing of J1939 CAN messages between engine, transmission, and telematics units in heavy-duty trucks. IC Role / Device Role / Timing Role: Dual-CAN gateway with message filtering, store-and-forward buffering, and secure OTA update handling. Use Value: MPU-enforced memory isolation separates J1939 stack from bootloader and application code, meeting ISO/SAE 21434 cybersecurity requirements. |
Use Scenario: Tier-2 engine control unit managing fuel injection timing, exhaust gas recirculation, and aftertreatment in diesel-powered construction machinery. IC Role / Device Role / Timing Role: Safety-certified controller implementing ASIL-B diagnostics, watchdog supervision, and redundant sensor validation. Use Value: Built-in CRC calculation unit and Flash error correction (ECC) detect and correct bit errors during runtime, ensuring compliance with ISO 26262 FMEDA targets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100VLQ | Same S12X core, 1024 KB Flash, 64 KB RAM, identical 208-pin MAPBGA package - higher memory capacity but no XGATE co-processor. | Lacks XGATE acceleration; requires CPU-managed CAN/ADC scheduling - less suitable for high-throughput real-time I/O. | Select when application demands larger program storage and deterministic CPU-only execution model. |
| S912XDP512J1MAG | Same 512 KB Flash, 32 KB RAM, and XGATE, but in 144-pin LQFP package - smaller footprint, lower I/O count (112 vs. 156), no CAN2 controller. | Reduced peripheral set and package size limit use to cost-sensitive, space-constrained non-automotive applications. | Select when board area is constrained and dual-CAN or high-channel-count ADC is not required. |
Compared with MC9S12XEP100VLQ, S912XEQ512BVAGR offers superior real-time I/O throughput via XGATE, while versus S912XDP512J1MAG it provides full automotive-grade I/O density and dual-CAN support - making it optimal for ASIL-B body electronics where both performance and interface completeness are mandatory.
Availability
S912XEQ512BVAGR is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor drive controllers, and commercial vehicle telematics gateways requiring stable component supply, long-term lifecycle support, and AEC-Q100 Grade 2 qualification.
Supply support for S912XEQ512BVAGR 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 microcontrollers, RF, and security technologies.
The S12X family - including S912XEQ512BVAGR - was designed specifically for automotive body electronics and industrial control applications demanding high reliability, functional safety (ASIL-B ready), and real-time determinism under harsh environmental conditions.
FAQ
What is the maximum operating frequency of the S912XEQ512BVAGR?
The S912XEQ512BVAGR operates at a maximum CPU frequency of 50 MHz, achieved using its integrated PLL with external crystal input (4–32 MHz). This frequency is sustained across the full industrial temperature range (−40°C to +105°C) and supports deterministic execution of control algorithms with predictable interrupt latency - a key requirement verified in S912XEQ512BVAGR automotive qualification testing.
Does the S912XEQ512BVAGR support AEC-Q100 qualification?
Yes, the S912XEQ512BVAGR is qualified to AEC-Q100 Grade 2 (−40°C to +105°C), with full test reports covering HTOL, TCT, ESD, and latch-up. This qualification applies specifically to the BVAGR variant in 208-pin MAPBGA packaging and is documented in NXP's official automotive product release documentation for the S12XE family.
How does the XGATE co-processor in the S912XEQ512BVAGR improve real-time performance?
The XGATE co-processor in the S912XEQ512BVAGR executes autonomous I/O tasks - such as CAN message filtering, SPI data streaming, and ADC result preprocessing - without CPU intervention. Benchmarks show it reduces S912XEQ512BVAGR main core interrupt load by up to 75% in dual-CAN + multi-channel ADC applications, directly improving worst-case response time for safety-critical functions.
What debugging interface does the S912XEQ512BVAGR provide?
The S912XEQ512BVAGR features a single-wire Background Debug Module (BDM) compliant with IEEE 1149.1 JTAG boundary-scan architecture. It supports full memory/register access, flash programming, real-time variable monitoring, and non-intrusive breakpoints - all accessible through standard NXP BDM debug probes used in production programming and field diagnostics of S912XEQ512BVAGR-based systems.
Is the S912XEQ512BVAGR pin-compatible with other S12XE family members?
No, the S912XEQ512BVAGR is not pin-compatible with other S12XE derivatives outside its specific 208-pin MAPBGA footprint group (e.g., S912XEQ512J1MAG uses 144-pin LQFP). Pin compatibility is limited to variants sharing the exact same package type and maskset - confirmed by NXP's S12XE ordering information appendix and validated against mechanical drawings in MC9S12XE-Family Reference Manual Rev. 1.25.
S912XEQ512BVAGR 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:
- 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 24x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S912XEQ512BVAGR FAQ
1.How can I place an order for S912XEQ512BVAGR through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEQ512BVAGR 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 S912XEQ512BVAGR reliable?
The price and inventory of S912XEQ512BVAGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEQ512BVAGR is usually 5 days.
3.What payment methods are accepted for S912XEQ512BVAGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEQ512BVAGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEQ512BVAGR?
S912XEQ512BVAGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEQ512BVAGR 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 S912XEQ512BVAGR?
For technical support, including S912XEQ512BVAGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEQ512BVAGR requirements.
6.How does Aetrix verify that S912XEQ512BVAGR is sourced from the original manufacturer or authorized distributors?
All S912XEQ512BVAGR 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 S912XEQ512BVAGR meets industry standards.
7.What is the process for return or replacement of S912XEQ512BVAGR?
All S912XEQ512BVAGR units undergo pre-shipment inspection (PSI). If there is an issue with S912XEQ512BVAGR, 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 S912XEQ512BVAGR part is unused and in its original packaging.
Return procedure for S912XEQ512BVAGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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