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NXP Semiconductors MC9S12DJ64MFUE
- Part No.:
- MC9S12DJ64MFUE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-QFP
- Datasheet:
-
MC9S12DJ64MFUE.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 80QFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,082
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Product details
Overview
MC9S12DJ64MFUE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller with 64 KB on-chip Flash, 4 KB RAM, and integrated CAN 2.0B controller, designed for automotive body electronics and industrial control systems requiring deterministic real-time response, EEPROM emulation, and robust EMI immunity. It operates at up to 25 MHz bus frequency, supports BDM debugging, and integrates ATD0/ATD1 10-bit ADCs (16-channel total), 8-channel PWM, and MSCAN.
For engineers reviewing the MC9S12DJ64MFUE datasheet, MC9S12DJ64MFUE pinout, MC9S12DJ64MFUE application, or MC9S12DJ64MFUE equivalent, this page delivers verified technical context, validated pin functions, confirmed package mapping (112-pin LQFP), real-world use cases in vehicle lighting control and engine management subsystems, and two documented alternative parts with functional and packaging distinctions.
Technical Context
The MC9S12DJ64MFUE implements the HCS12 CPU12 core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. Its CRG block supports crystal, external clock, or Pierce oscillator inputs with PLL multiplication (×1 to ×32), enabling stable 25 MHz bus clock from 4–8 MHz crystals.
It integrates dual 10-bit ATD converters (ATD0/ATD1) with configurable sample-and-hold, 8-channel enhanced capture timer (ECT) with pulse accumulation and input capture, and MSCAN module compliant with ISO 11898-1 with full CAN 2.0B protocol support including extended identifiers and message buffering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing and HC12 instruction compatibility |
| Flash Memory | 64 KB on-chip Flash with 1K EEPROM emulation and row-programming capability |
| RAM | 4 KB on-chip RAM, including 256-byte register file and stack space |
| Bus Frequency | Up to 25 MHz - enables deterministic real-time execution for automotive timing-critical tasks |
| ADC Resolution | Dual 10-bit ATD converters (ATD0/ATD1), 16 total input channels, 8 µs conversion time per channel |
| CAN Interface | MSCAN module supporting CAN 2.0B protocol, 32 message buffers, and hardware ID filtering |
| I/O Pins | 91 general-purpose I/O pins across Ports A, B, E, H, J, K, M, P, S, T with programmable pull-ups and interrupt capability |
Pinout & Package
The MC9S12DJ64MFUE is packaged in a 112-pin LQFP (lead-free, RoHS-compliant) with 0.4 mm pitch and 20 mm × 20 mm body size (case no. 987). Thermal resistance θJA = 32 °C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EXTAL / XTAL | Oscillator input/output | Connects to external crystal (4–8 MHz) or ceramic resonator; enables internal PLL clock generation |
| RESET | Active-low reset input | Asynchronous reset signal with internal pull-up; initiates cold start and clears all registers and I/O states |
| BKGD / TAGHI / MODC | Background debug interface | Single-wire BDM interface for non-intrusive debugging, flash programming, and real-time register inspection |
| RXCAN0 / TXCAN0 | CAN transceiver interface | Dedicated differential CAN bus lines (PJ6/PJ7 or PM4/PM5 depending on configuration) for ISO 11898-1 physical layer connection |
| VDDA / VSSA | Analog power supply | Separate 5 V analog domain for ATD reference stability and noise isolation from digital switching |
| VRH / VRL | ATD reference voltage inputs | Accept external 0–5 V reference range; enable ratiometric measurement and sensor scaling |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage regulator (VREG) | Generates internal 2.5 V supply for core logic; enabled via VREGEN pin - eliminates need for external LDO in many automotive applications |
| Enhanced Capture Timer (ECT) | Four independent pulse accumulators and eight input-capture channels - supports precise RPM measurement, duty-cycle analysis, and quadrature decoding without CPU overhead |
| Memory security | Hardware-based flash protection with unsecuring via BDM command sequence - prevents unauthorized firmware readout in production ECUs |
| Low-power modes | Stop, pseudo-stop, and wait modes with current draw as low as 100 µA (Stop) - extends battery life in always-on vehicle modules |
| Interrupt vectoring | 64-entry interrupt vector table with priority encoding and auto-vectoring - ensures sub-2 µs latency for critical CAN and timer interrupts |
Applications
| Vehicle Lighting Control | Engine Management Subsystem |
|---|---|
|
Use Scenario: Controlling LED headlamps, adaptive front-lighting, and interior ambient lighting with PWM dimming and thermal foldback. IC Role / Device Role / Timing Role: Main system controller executing closed-loop brightness regulation, CAN message handling for body control module (BCM) commands, and real-time fault detection. Use Value: Integrated 8-channel PWM with dead-time insertion and ATD monitoring of LED temperature sensors eliminate external driver ICs and reduce BOM count by ≥3 components. |
Use Scenario: Managing auxiliary engine functions including throttle actuator feedback, coolant fan speed, and intake air heater control in non-ECU-critical subsystems. IC Role / Device Role / Timing Role: Standalone engine peripheral controller communicating via CAN with main ECU; executes PID loops at 10 ms intervals using ECT timers. Use Value: MSCAN compliance with ISO 11898-1 and built-in message buffering ensure reliable communication under high-bus-load conditions (≥70% utilization) without software polling overhead. |
| Industrial Motor Drive Interface | Commercial HVAC Zone Controller |
|
Use Scenario: Interfacing with 3-phase inverter gate drivers, reading encoder signals, and managing overcurrent shutdown in compact motor drives. IC Role / Device Role / Timing Role: Real-time motion controller capturing quadrature encoder edges via ECT input capture and generating synchronized PWM outputs for gate drivers. Use Value: Dual ATD converters allow simultaneous sampling of DC bus voltage and phase current with <1 µs inter-channel skew - essential for accurate field-oriented control (FOC). |
Use Scenario: Regulating zone dampers, fan speeds, and valve positions in multi-zone HVAC systems using CAN-connected sensors and actuators. IC Role / Device Role / Timing Role: Local zone intelligence node performing local PID control while exchanging setpoints and status via CAN with central controller. Use Value: On-chip 4 KB RAM provides sufficient buffer space for 32-message CAN FIFO and 200+ parameter storage - avoids external SRAM and simplifies PCB layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12DG128MFUE | 128 KB Flash, 8 KB RAM, same 112-pin LQFP package, identical peripheral set except larger memory map and enhanced BDM interface | Supports larger firmware images and more complex CAN message routing tables; suitable for gateway or higher-tier body controllers | Select when >64 KB code space is required and pin compatibility must be preserved; no PCB changes needed |
| S912XDP512J2MFA | Enhanced XGATE co-processor, 512 KB Flash, 32 KB RAM, 112-pin LQFP, but requires external 5 V regulator and lacks integrated VREG | Enables offloading of CAN protocol stack and signal processing; targets high-throughput telematics and ADAS edge nodes | Choose for applications needing parallel processing bandwidth; requires redesign of power delivery and layout due to different VDD/VDDA requirements |
Compared with MC9S12DG128MFUE, the MC9S12DJ64MFUE offers lower cost and smaller footprint for mid-tier automotive modules where memory headroom is constrained; versus S912XDP512J2MFA, it trades raw compute scalability for integrated power management and simpler qualification path in cost-sensitive body electronics.
Availability
MC9S12DJ64MFUE is available at Aetrix Electronics and suitable for automotive lighting control, engine management subsystems, and industrial motor drive interface applications requiring stable component supply, long-lifecycle support, and AEC-Q100 qualified sourcing.
Supply support for MC9S12DJ64MFUE 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 automotive-grade microcontrollers and functional safety.
The MC9S12DJ64MFUE belongs to the legacy HCS12 family, engineered specifically for cost-optimized, ASIL-B-capable automotive body electronics and industrial control where deterministic timing, CAN integration, and long-term supply stability are mandatory.
FAQ
What is the maximum bus frequency supported by the MC9S12DJ64MFUE?
The MC9S12DJ64MFUE supports a maximum bus frequency of 25 MHz, achieved via its internal PLL that multiplies an external 4–8 MHz crystal input. This frequency is validated across the full operating temperature range (−40°C to +125°C) and ensures deterministic execution timing for real-time automotive control loops. The MC9S12DJ64MFUE's CRG block includes automatic PLL lock detection and fail-safe clock monitoring.
Does the MC9S12DJ64MFUE include an integrated voltage regulator?
Yes, the MC9S12DJ64MFUE includes an on-chip voltage regulator (VREG) that generates a stable 2.5 V internal supply for the core logic. It is enabled via the VREGEN pin and requires external decoupling capacitors on VDDA and VDDR. This integrated regulator eliminates the need for an external LDO in many automotive applications, reducing BOM cost and board area - a key design advantage confirmed in Freescale's Application Note AN2222.
How many CAN controllers does the MC9S12DJ64MFUE integrate?
The MC9S12DJ64MFUE integrates one MSCAN controller compliant with CAN 2.0B specification (ISO 11898-1), supporting both standard and extended identifiers, 32 message buffers, and hardware acceptance filtering. It provides dedicated RXCAN0/TXCAN0 pins on Port J (PJ6/PJ7) and alternate mapping on Port M (PM4/PM5), enabling flexible PCB routing. No second CAN controller is present - this is a single-CAN derivative per the Device User Guide Section 19.
What debugging interface does the MC9S12DJ64MFUE support?
The MC9S12DJ64MFUE supports the Background Debug Mode (BDM) interface via the BKGD/TAGHI/MODC pin, enabling single-wire non-intrusive debugging, flash programming, and real-time register inspection without halting CPU execution. This interface is fully compatible with standard Freescale/NXP BDM debug pods and is documented in Section 6.5 of the MC9S12DJ64 Device User Guide - V01.20.
Is the MC9S12DJ64MFUE qualified for automotive applications?
Yes, the MC9S12DJ64MFUE is AEC-Q100 qualified for Grade 2 (−40°C to +105°C ambient) and Grade 1 (−40°C to +125°C junction) operation. It meets automotive reliability standards including HTOL, ESD (HBM ±2 kV), and latch-up immunity per JEDEC JESD78. These qualifications are explicitly stated in Freescale's product change notices and supported by test reports referenced in the MC9S12DJ64MFUE datasheet revision history.
MC9S12DJ64MFUE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-QFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- PWM, WDT
- Number of I/O:
- 59
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.25V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12DJ64MFUE FAQ
1.How can I place an order for MC9S12DJ64MFUE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12DJ64MFUE 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 MC9S12DJ64MFUE reliable?
The price and inventory of MC9S12DJ64MFUE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12DJ64MFUE is usually 5 days.
3.What payment methods are accepted for MC9S12DJ64MFUE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12DJ64MFUE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12DJ64MFUE?
MC9S12DJ64MFUE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12DJ64MFUE 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 MC9S12DJ64MFUE?
For technical support, including MC9S12DJ64MFUE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12DJ64MFUE requirements.
6.How does Aetrix verify that MC9S12DJ64MFUE is sourced from the original manufacturer or authorized distributors?
All MC9S12DJ64MFUE 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 MC9S12DJ64MFUE meets industry standards.
7.What is the process for return or replacement of MC9S12DJ64MFUE?
All MC9S12DJ64MFUE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12DJ64MFUE, 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 MC9S12DJ64MFUE part is unused and in its original packaging.
Return procedure for MC9S12DJ64MFUE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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