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NXP Semiconductors MC9S12XDT512CAL
- Part No.:
- MC9S12XDT512CAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12XDT512CAL.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:296
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Product details
Overview
MC9S12XDT512CAL from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12X microcontroller featuring a dual-core architecture with S12X CPU and XGATE co-processor, 512 KB on-chip Flash, 32 KB RAM, and integrated CAN 2.0B, SPI, IIC, SCI, PWM, ATD, and ECT peripherals. It operates at up to 50 MHz core frequency and supports automotive-grade temperature range (–40°C to +125°C) in a 112-pin LQFP package.
For engineers reviewing the MC9S12XDT512CAL datasheet, MC9S12XDT512CAL pinout, MC9S12XDT512CAL application, or MC9S12XDT512CAL equivalent, key selection criteria include dual-core real-time offload capability, 512 KB Flash with EEPROM emulation, CAN 2.0B compliance, and qualification for automotive powertrain and chassis control systems requiring ASIL-B functional safety support.
Technical Context
The MC9S12XDT512CAL implements the S12X CPU core with 5-stage pipeline and XGATE RISC co-processor for autonomous peripheral handling - enabling deterministic response to time-critical events without CPU intervention. Its memory subsystem includes 512 KB Flash (with 2 KB EEPROM emulation), 32 KB RAM, and 8 KB XGATE program RAM.
Peripheral integration includes two independent CAN 2.0B controllers, six SCI modules, three SPI interfaces, two IIC buses, 16-channel 10-bit ATD converters with external trigger support, eight-channel PWM with center-aligned mode, and enhanced capture timer with input capture/output compare functionality - all mapped into a unified memory space via S12XMMCV2 memory mapping controller.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12X 16-bit CPU + XGATE 16-bit RISC co-processor for autonomous peripheral servicing |
| Max Core Frequency | 50 MHz - enables real-time control loop execution at ≤200 ns instruction cycle |
| Flash Memory | 512 KB - supports in-application programming (IAP) and EEPROM emulation for data logging |
| RAM Size | 32 KB - sufficient for RTOS stacks, CAN message buffers, and sensor fusion algorithms |
| CAN Interfaces | 2 × CAN 2.0B controllers - compliant with ISO 11898-1, supporting baud rates up to 1 Mbps |
| ADC Resolution | 10-bit ATD with 16 channels - provides 1.25 mV LSB at 5 V reference for precision analog sensing |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive applications per AEC-Q100 Grade 1 |
| Package | 112-pin LQFP (16 × 16 mm, 0.4 mm pitch) - compatible with standard reflow assembly and automotive PCB layout rules |
Pinout & Package
MC9S12XDT512CAL is housed in a 112-pin Low-Profile Quad Flat Package (LQFP) with 0.4 mm lead pitch, designed for automotive-grade thermal and mechanical reliability. Pin assignments follow the S12XD family pinout standard defined in Freescale Document MC9S12XDP512RMV2 Rev. 2.21, Appendix B.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 5 V domains: digital (VDD/VSS) and analog (VDDA/VSSA) for noise isolation in mixed-signal operation |
| EXTAL / XTAL | Clock oscillator inputs | Supports external crystal (4–33 MHz) or ceramic resonator; enables precise timing for CAN bit sampling and ADC conversion clocks |
| CAN0TX / CAN0RX | CAN 0 differential transmitter/receiver | Direct interface to CAN transceiver (e.g., MC33883); supports dominant/recessive level detection per ISO 11898 |
| CAN1TX / CAN1RX | CAN 1 differential transmitter/receiver | Independent second CAN bus for gateway or redundancy architectures; isolated from CAN0 in register mapping and interrupt vectors |
| SCI0TX / SCI0RX | Serial communication interface 0 | Full-duplex UART supporting LIN 2.2 physical layer when configured with 16× oversampling and break detection |
| PWM0–PWM7 | Pulse-width modulation outputs | Eight independent channels with programmable dead-time insertion - suitable for 3-phase motor control or LED dimming |
| AN0–AN15 | Analog input channels | 16 single-ended or 8 differential inputs; internal 1.25 V reference selectable for ratiometric sensor measurements |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; triggers full system initialization including PLL lock and memory controller reset |
Key Features
| Feature | Design Value |
|---|---|
| XGATE Co-Processor | Offloads CAN, SCI, SPI, and ATD interrupt servicing from main CPU - reduces latency to <1 µs and frees S12X core for application logic |
| EEPROM Emulation | 2 KB Flash sector configured as EEPROM with wear-leveling and atomic write support - eliminates need for external serial EEPROM in data logging |
| CAN 2.0B Compliance | Two independent CAN controllers with message objects, acceptance filtering, and automatic retransmission - meets AUTOSAR CAN Driver requirements |
| Background Debug Module (BDM) | Single-wire debug interface supporting flash programming, breakpoint setting, and real-time variable monitoring - enables production-line calibration and field firmware updates |
| Security Features | Flash protection via security byte, COP watchdog with windowed timeout, and clock monitor - satisfies basic automotive security requirements per ISO/SAE 21434 |
| Low-Power Modes | Stop, Wait, and Freeze modes with wake-up on CAN message, SCI activity, or external interrupt - extends battery life in always-on vehicle modules |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and OBD-II diagnostics in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Primary engine management controller executing closed-loop PID control at 10 ms intervals with sub-millisecond jitter tolerance. Use Value: Dual-core architecture ensures deterministic CAN message handling while S12X executes combustion algorithms - meeting ASIL-B timing constraints per ISO 26262. | Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicle body networks. IC Role / Device Role / Timing Role: Gateway node aggregating LIN slave data and routing commands over CAN backbone with configurable message prioritization. Use Value: Integrated dual CAN controllers and six SCI modules eliminate external protocol translators - reducing BOM cost and board space by 35% vs discrete solution. |
| Electric Power Steering (EPS) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Torque assist computation, motor phase current sensing, and fault detection in brushless DC steering motors. IC Role / Device Role / Timing Role: Safety-critical actuator controller with redundant ADC sampling and PWM generation synchronized to rotor position feedback. Use Value: 16-channel 10-bit ATD with external trigger from ECT module enables precise current sampling aligned to PWM zero-crossings - improving torque ripple by ≤12%. | Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS domain controller. IC Role / Device Role / Timing Role: Edge-processing node performing time-of-flight calculations, CAN message filtering, and sensor health monitoring. Use Value: XGATE co-processor handles high-frequency CAN message reception and timestamping independently - freeing CPU for FFT-based signal analysis on raw sensor streams. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XDP512MAL | Same die, 112-pin LQFP but rated for –40°C to +105°C industrial temp range; lacks AEC-Q100 Grade 1 qualification | Not approved for under-hood automotive use; limited to cabin electronics or industrial control | Select only if operating ambient stays below 105°C and automotive qualification is not required |
| S912XEQ512J2MAG | NXP's later-generation S12XE family part with identical pinout, 512 KB Flash, but enhanced CAN FD support and improved ESD immunity (±8 kV HBM) | Enables future CAN FD migration path while maintaining software compatibility via S12X toolchain | Choose for new designs targeting extended CAN bandwidth or higher robustness; requires minor register-level adaptation |
Compared with MC9S12XDT512CAL, MC9S12XDP512MAL trades automotive qualification for lower cost in non-automotive settings, while S912XEQ512J2MAG offers forward-compatible CAN FD readiness and stronger ESD performance - both retain identical memory map and peripheral register layout for minimal porting effort.
Availability
MC9S12XDT512CAL is available at Aetrix Electronics and suitable for automotive powertrain control, body electronics, electric power steering, and ADAS sensor hub applications requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.
Supply support for MC9S12XDT512CAL 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 markets, with roots in Freescale's automotive MCU heritage.
The MC9S12XDT512CAL belongs to the HCS12X family - engineered specifically for automotive real-time control applications demanding functional safety, deterministic timing, and high peripheral integration in harsh environments.
FAQ
What is the maximum operating frequency of the MC9S12XDT512CAL?
The MC9S12XDT512CAL supports a maximum core frequency of 50 MHz, achieved using its internal PLL with external crystal input (typically 8–16 MHz). This allows instruction execution at 20 ns per cycle, enabling tight real-time control loops in automotive applications such as engine management and EPS. The MC9S12XDT512CAL's PLL lock time and stability meet AEC-Q100 Grade 1 requirements across the full temperature range.
Does the MC9S12XDT512CAL support CAN FD?
No, the MC9S12XDT512CAL implements two CAN 2.0B controllers compliant with ISO 11898-1, supporting data rates up to 1 Mbps but not CAN FD features like flexible data rate or extended payload. For CAN FD capability, consider the pin-compatible S912XEQ512J2MAG, which maintains the same footprint and memory map while adding CAN FD support. The MC9S12XDT512CAL remains ideal for legacy CAN-based automotive networks where FD migration is not yet required.
How is EEPROM functionality implemented on the MC9S12XDT512CAL?
The MC9S12XDT512CAL provides 2 KB of emulated EEPROM using a dedicated Flash sector with built-in wear-leveling and atomic write routines in ROM-resident firmware. This eliminates the need for external serial EEPROM in applications like calibration storage or event logging. The MC9S12XDT512CAL's EEPROM emulation supports byte-level writes, 100K-cycle endurance, and data retention exceeding 10 years at 125°C - validated per AEC-Q100 stress testing protocols.
What debug interface does the MC9S12XDT512CAL use?
The MC9S12XDT512CAL uses the Background Debug Mode (BDM) single-wire interface, accessible via the BKGD pin. This interface supports full-speed debugging, flash programming, register inspection, and real-time variable monitoring without halting peripheral operation. The MC9S12XDT512CAL's BDM implementation is compatible with standard P&E Micro and Segger J-Link adapters, and supports production-line programming via UART-based bootloader when BDM is disabled for security.
Is the MC9S12XDT512CAL qualified for automotive applications?
Yes, the MC9S12XDT512CAL is AEC-Q100 Grade 1 qualified (–40°C to +125°C) and designed for automotive powertrain, chassis, and body control applications. It includes hardware features required for functional safety, including clock monitor, COP watchdog with windowed timeout, Flash security byte, and ESD protection rated to ±2 kV HBM. The MC9S12XDT512CAL's qualification documentation and test reports are available through NXP's official automotive support portal.
MC9S12XDT512CAL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12X
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12X
- Core Size:
- 16-Bit
- Speed:
- 80MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, LINbus, 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:
- 20K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.5V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12XDT512CAL FAQ
1.How can I place an order for MC9S12XDT512CAL through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12XDT512CAL 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 MC9S12XDT512CAL reliable?
The price and inventory of MC9S12XDT512CAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12XDT512CAL is usually 5 days.
3.What payment methods are accepted for MC9S12XDT512CAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12XDT512CAL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12XDT512CAL?
MC9S12XDT512CAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12XDT512CAL 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 MC9S12XDT512CAL?
For technical support, including MC9S12XDT512CAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12XDT512CAL requirements.
6.How does Aetrix verify that MC9S12XDT512CAL is sourced from the original manufacturer or authorized distributors?
All MC9S12XDT512CAL 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 MC9S12XDT512CAL meets industry standards.
7.What is the process for return or replacement of MC9S12XDT512CAL?
All MC9S12XDT512CAL units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12XDT512CAL, 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 MC9S12XDT512CAL part is unused and in its original packaging.
Return procedure for MC9S12XDT512CAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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