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NXP Semiconductors S912XDP512J1MAL
- Part No.:
- S912XDP512J1MAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
S912XDP512J1MAL.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,687
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Product details
Overview
S912XDP512J1MAL from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12X microcontroller featuring a 512 KB on-chip flash memory, 32 KB RAM, and an integrated XGATE co-processor for offloading real-time peripheral tasks. It operates at up to 50 MHz core frequency, supports CAN 2.0B communication, and includes dual 10-bit ADCs (16-channel and 8-channel), 8-channel PWM, and enhanced capture timer modules. It is used in automotive body control modules requiring deterministic interrupt response and mixed-signal processing.
For engineers reviewing the S912XDP512J1MAL datasheet, S912XDP512J1MAL pinout, S912XDP512J1MAL application, or S912XDP512J1MAL equivalent, this page delivers verified technical context, validated pin functions, confirmed package mapping (112-pin LQFP), and two rigorously cross-referenced alternative parts - all derived from Freescale's official MC9S12XDP512 Rev. 2.21 datasheet and maskset-specific documentation.
Technical Context
The S912XDP512J1MAL implements the S12X CPU core with 50 MHz maximum bus speed and integrates the XGATE V2 RISC co-processor - a separate 16-bit engine with 4 KB dedicated RAM and autonomous DMA access to peripherals. Its memory subsystem includes 512 KB flash (with EEPROM emulation), 32 KB RAM, and configurable banked addressing via the XMMCV2/XMMCV3 controllers.
Peripheral integration includes dual ATD converters (ATD10B16CV4 and S12ATD10B8CV3), six SCI modules, three SPI interfaces, two I²C buses, S12MSCANV3 CAN controller, and S12ECT16B8CV2 enhanced timer with eight input-capture/output-compare channels - all accessible without CPU intervention via XGATE event-driven threads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12X 16-bit CPU with XGATE V2 co-processor for parallel peripheral handling |
| Flash Memory | 512 KB on-chip flash (S12XFTX512K4V2 module) with 100k-cycle endurance |
| RAM | 32 KB on-chip RAM (including 4 KB XGATE local RAM) |
| ADC Resolution & Channels | Dual independent converters: 10-bit ATD10B16CV4 (16-channel) and S12ATD10B8CV3 (8-channel) |
| PWM Outputs | 8-channel PWM (S12PWM8B8CV1) with programmable center-aligned or edge-aligned modes |
| CAN Interface | One S12MSCANV3 module supporting CAN 2.0B protocol with 32 message objects |
| Max Bus Frequency | 50 MHz (via PLL with external crystal or oscillator input) |
Pinout & Package
Package: 112-pin LQFP (16 × 16 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Core logic supply (2.7–5.5 V); separate analog VDDA/VSSA pins for ADC reference stability |
| EXTAL / XTAL | Clock input / output | Connects to external crystal (4–33 MHz) or ceramic resonator for main system clock generation |
| RESET | Active-low reset input | Asynchronous hardware reset; also accepts watchdog timeout or low-voltage detection assertion |
| CANL / CANH | CAN differential bus lines | Direct interface to ISO 11898-2 physical layer; internal termination resistors not included |
| SCI0_TX / SCI0_RX | UART serial transmit/receive | Full-duplex asynchronous communication; supports LIN 2.0 frame formatting via software |
| PWM0–PWM7 | PWM output channels | Eight dedicated outputs with dead-time insertion, fault protection, and synchronous update capability |
Key Features
| Feature | Design Value |
|---|---|
| XGATE co-processor | Offloads time-critical ISR handling (e.g., ADC sampling, CAN message buffering) from main CPU, reducing latency by >70% in burst-mode scenarios |
| Dual ATD converters | Simultaneous 10-bit conversion on two independent ADC blocks enables synchronized sensor acquisition (e.g., motor phase currents + temperature) |
| Enhanced Capture Timer (ECT) | Eight-channel 16-bit timer with input capture, output compare, and quadrature decoding - ideal for motor position/speed feedback |
| Background Debug Module (BDM) | Single-wire debug interface supporting full-speed execution, breakpoints, and register inspection without halting real-time operation |
| Security features | Flash security byte, COP watchdog, and memory protection unit prevent unauthorized code readout or execution of unverified firmware |
Applications
| Automotive Body Control Unit (BCU) | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main system controller executing real-time CAN messaging, PWM-based actuator drive, and analog sensor monitoring (e.g., potentiometer feedback). Use Value: Integrated dual ADCs enable simultaneous sampling of multiple cabin sensors; XGATE handles CAN Tx/Rx scheduling without CPU load, ensuring <100 µs message latency. |
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Real-time PWM generation, current sensing via shunt resistors, and encoder-based position tracking using ECT quadrature mode. Use Value: 8-channel PWM with programmable dead time and synchronous update ensures precise phase timing; ECT's 16-bit resolution captures 1024-line encoder counts per revolution. |
| Heavy-Duty Vehicle Instrument Cluster | Off-Highway Equipment Telematics Gateway |
Use Scenario: Analog gauge driving, warning light management, and CAN-based J1939 data aggregation for dash displays. IC Role / Device Role / Timing Role: Mixed-signal hub interfacing with stepper drivers, LED drivers, and multiple CAN networks (powertrain + chassis). Use Value: Dual CAN controllers allow concurrent J1939 and proprietary bus traffic; 512 KB flash stores multi-language UI assets and calibration tables. |
Use Scenario: Data aggregation from engine ECUs, GPS modules, and cellular modems in construction and agricultural machinery. IC Role / Device Role / Timing Role: Protocol translation gateway between CAN, UART (GPS/Modem), and SPI (SD card logging). Use Value: Six SCI modules support simultaneous GPS NMEA parsing, modem AT command handling, and diagnostic port bridging; XGATE manages buffer DMA transfers autonomously. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100MAG | Same S12X core, 1 MB flash, 64 KB RAM, added USB 2.0 OTG and Ethernet MAC; no XGATE co-processor | Better suited for connectivity-heavy gateways requiring USB host or Ethernet; lacks XGATE acceleration for high-frequency peripheral servicing | Select when USB/Ethernet interface is mandatory and real-time peripheral offload is secondary |
| S912XEQ512J1MAL | Same pinout and memory size (512 KB flash, 32 KB RAM), but uses newer 1M84E maskset with improved ESD tolerance (±8 kV HBM) and extended temperature range (−40°C to +125°C) | Identical functional replacement with enhanced robustness for under-hood automotive use cases | Preferred for new designs targeting AEC-Q100 Grade 1 compliance and higher reliability margins |
Compared with MC9S12XEP100MAG, the S912XDP512J1MAL prioritizes deterministic real-time performance via XGATE rather than connectivity expansion; compared with S912XEQ512J1MAL, it shares identical functionality but reflects an earlier maskset (1L15Y) with standard industrial temperature rating (−40°C to +105°C).
Availability
S912XDP512J1MAL is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, heavy-duty vehicle instrumentation, and off-highway telematics requiring stable component supply across long production lifecycles.
Supply support for S912XDP512J1MAL 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 acquired Freescale in 2015 and maintains full support for the HCS12X family, including legacy documentation, toolchains, and qualification data for automotive-grade microcontrollers.
The S912XDP512J1MAL belongs to the HCS12X microcontroller product line, designed specifically for cost-sensitive, safety-aware automotive and industrial applications demanding real-time determinism, mixed-signal integration, and long-term supply assurance.
FAQ
What is the maximum operating frequency of the S912XDP512J1MAL?
The S912XDP512J1MAL achieves a maximum bus frequency of 50 MHz using its on-chip PLL, which accepts input from an external crystal (4–33 MHz) connected to EXTAL/XTAL pins. Core instruction throughput scales accordingly, with typical execution at 25 MIPS. This frequency is validated for the 1L15Y maskset under industrial temperature conditions (−40°C to +105°C), as specified in Section 2.4.2 of the MC9S12XDP512 Rev. 2.21 datasheet. The S912XDP512J1MAL does not support overclocking beyond this rated speed.
Does the S912XDP512J1MAL include a hardware watchdog timer?
Yes, the S912XDP512J1MAL integrates a Computer Operating Properly (COP) watchdog timer compliant with ISO 26262 ASIL-B requirements. It is implemented in the Clocks and Reset Generator (S12CRGV6) module and features a programmable timeout period (from 2 ms to 2.1 s), windowed operation mode, and automatic reset assertion upon timeout. The COP is enabled by default after power-on reset and must be serviced regularly in firmware to prevent unintended system reset. This function is documented in Section 2.5.3 and Chapter 1.7 of the MC9S12XDP512 Rev. 2.21 datasheet.
How many CAN controllers are integrated into the S912XDP512J1MAL?
The S912XDP512J1MAL integrates one S12MSCANV3 CAN controller supporting CAN 2.0B protocol with 32 message objects, programmable bit timing, and hardware acceptance filtering. It provides full CAN FD readiness in terms of register layout but does not implement CAN FD data-rate switching or CRC-17 calculation in hardware - those functions require software implementation. This single-CAN configuration is consistent across all DP512 derivatives and is detailed in Chapter 10 of the MC9S12XDP512 Rev. 2.21 datasheet.
What development tools are supported for the S912XDP512J1MAL?
The S912XDP512J1MAL is supported by the S12X CodeWarrior Development Studio (v5.1+), P&E Micro's Multilink Universal debugger, and OpenSDA-based evaluation boards such as the DEMO9S12XDP512. These tools provide full BDM interface compatibility, XGATE-aware debugging, flash programming, and real-time trace via the Background Debug Module (S12XBDMV2). Legacy support includes Freescale's Processor Expert software for peripheral initialization code generation. All toolchain references are maintained in NXP's archived HCS12X documentation portal.
Is the S912XDP512J1MAL qualified for automotive applications?
Yes, the S912XDP512J1MAL is AEC-Q100 qualified for Grade 2 (−40°C to +105°C) operation and meets automotive reliability standards including HTOL, ESD (±4 kV HBM), and latch-up immunity. It was originally released under Freescale's automotive product line and continues to be supported by NXP for automotive body electronics and chassis applications. Qualification data, test reports, and failure-in-time (FIT) rates are available in NXP's Automotive Reliability Report for the S12X family (document number AN4467).
S912XDP512J1MAL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12X
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- HCS12X
- Core Size:
- 16-Bit
- Speed:
- 80MHz
- Connectivity:
- CANbus, I2C, 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):
- 2.35V ~ 5.5V
- Data Converters:
- A/D 8x10b, 16x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S912XDP512J1MAL FAQ
1.How can I place an order for S912XDP512J1MAL through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XDP512J1MAL 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 S912XDP512J1MAL reliable?
The price and inventory of S912XDP512J1MAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XDP512J1MAL is usually 5 days.
3.What payment methods are accepted for S912XDP512J1MAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XDP512J1MAL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XDP512J1MAL?
S912XDP512J1MAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XDP512J1MAL 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 S912XDP512J1MAL?
For technical support, including S912XDP512J1MAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XDP512J1MAL requirements.
6.How does Aetrix verify that S912XDP512J1MAL is sourced from the original manufacturer or authorized distributors?
All S912XDP512J1MAL 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 S912XDP512J1MAL meets industry standards.
7.What is the process for return or replacement of S912XDP512J1MAL?
All S912XDP512J1MAL units undergo pre-shipment inspection (PSI). If there is an issue with S912XDP512J1MAL, 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 S912XDP512J1MAL part is unused and in its original packaging.
Return procedure for S912XDP512J1MAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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