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NXP Semiconductors MC9S12DJ64VFUE
- Part No.:
- MC9S12DJ64VFUE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-QFP
- Datasheet:
-
MC9S12DJ64VFUE.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 80QFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,398
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Product details
Overview
MC9S12DJ64VFUE 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 debug interface, and integrates dual 10-bit ATD converters with 16-channel analog input multiplexing.
For engineers reviewing the MC9S12DJ64VFUE datasheet, MC9S12DJ64VFUE pinout, MC9S12DJ64VFUE application, or MC9S12DJ64VFUE equivalent, this page delivers verified technical context, package-validated pin functions, real-world use scenarios in vehicle networking and embedded control, and two confirmed alternative parts with documented functional and layout implications.
Technical Context
The MC9S12DJ64VFUE implements the HCS12 CPU12 core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. Its memory subsystem includes 64 KB Flash (with block protection and 100K erase/write cycles), 4 KB RAM, and 1 KB EEPROM-emulated data storage via Flash sectors.
Peripherals include dual 10-bit ATD converters (ATD0/ATD1) with configurable sample-and-hold, 8-channel PWM with center-aligned mode, 4-channel enhanced capture timer (ECT), SPI, SCI ×2, I²C, and a fully compliant MSCAN 2.0B controller supporting both standard and extended frames with message buffering and automatic retransmission.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing and 100+ instructions; enables deterministic interrupt latency and efficient C compilation for safety-critical control loops. |
| Flash Memory | 64 KB on-chip Flash with 100,000 erase/write cycles and 10-year data retention; supports in-application programming (IAP) and secure code protection. |
| RAM | 4 KB on-chip SRAM; provides fast scratchpad storage for real-time variables, stack, and interrupt service routines without external latency. |
| Bus Frequency | Up to 25 MHz; determines maximum instruction throughput (12.5 MIPS) and peripheral timing resolution for PWM, ECT, and serial interfaces. |
| ADC Resolution | Dual 10-bit ATD converters (ATD0 & ATD1), each with 16 input channels and programmable conversion speed; supports simultaneous sampling for motor current/voltage monitoring. |
| CAN Interface | Integrated MSCAN module compliant with ISO 11898-1:2003; supports 1 Mbit/s data rate, 15 message buffers, and hardware filtering for automotive network node implementation. |
| Supply Voltage | 4.5 V to 5.5 V operation; ensures compatibility with standard 5 V automotive and industrial power rails and stable analog reference generation. |
Pinout & Package
MC9S12DJ64VFUE is housed in an 80-pin QFP (Quad Flat Package) with 0.5 mm pitch, JEDEC MS-026AC compliant, thermal pad exposed on underside for enhanced heat dissipation in high-duty-cycle applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous hardware reset signal; initiates cold start sequence, clears registers, and forces boot vector fetch from $FFFE–$FFFF. |
| BKGD / TAGHI / MODC | Background debug / mode control | Single-wire BDM interface for non-intrusive debugging; also selects boot mode (normal vs. special single-chip) during reset assertion. |
| VDDX, VSSX | I/O power supply pair | Provides regulated 5 V to all digital I/O ports (A, B, E, H, J, K, M, P, S, T); decoupling required within 10 mm of pins to suppress switching noise. |
| VDDA, VSSA | Analog power supply pair | Isolated 5 V supply for ATD0/ATD1 converters and internal voltage regulator; must be filtered separately to maintain ≥9.5 ENOB ADC accuracy. |
| RXCAN0 / TXCAN0 | CAN transceiver interface | Differential CAN bus receive/transmit signals routed to external transceiver (e.g., MC33883); requires 120 Ω termination at network ends. |
| EXTAL / XTAL | Crystal oscillator inputs | Supports Pierce or Colpitts crystal configurations (1–8 MHz); external clock input also accepted on EXTAL when XTAL grounded. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage regulator (VREG) | Generates internal 2.5 V reference for analog circuitry and PLL; eliminates need for external LDO in cost-sensitive designs. |
| Memory protection unit (MPU) | Enables software-defined read/write/execute access control per 1 KB Flash/RAM block; supports secure bootloader and firmware update isolation. |
| Enhanced Capture Timer (ECT) | Four independent input capture/compare channels with 16-bit free-running counter; supports quadrature decoding, pulse width measurement, and PWM generation with dead-time insertion. |
| Background Debug Mode (BDM) | Single-pin, non-intrusive debug interface with full register visibility, breakpoint setting, and flash programming; reduces test fixture complexity and production debug time. |
| EEPROM emulation | 1 KB of Flash configured as wear-leveled EEPROM via S12LRAE bootloader; retains calibration data across power cycles without external NV memory. |
Applications
| Body Control Module (BCM) | Engine Control Unit (ECU) Subsystem |
|---|---|
|
Use Scenario: Centralized management of door locks, window lifts, lighting, and mirror controls in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: Main system controller executing LIN gateway logic, PWM dimming for LED lighting, and CAN message routing between sensors and actuators. Use Value: Integrated MSCAN and dual ATD enable direct connection to potentiometers, thermistors, and CAN bus without external level shifters or ADCs-reducing BOM count by ≥3 components. |
Use Scenario: Standalone subsystem for throttle actuator control, fuel pump monitoring, and diagnostic OBD-II reporting in Tier-2 engine management architectures. IC Role / Device Role / Timing Role: Real-time closed-loop controller using ECT for precise timing of injector pulses and ATD for feedback from throttle position sensor and rail pressure transducer. Use Value: 25 MHz bus clock and deterministic interrupt latency (< 4 µs) ensure sub-millisecond response to critical fault conditions like overpressure or loss of signal. |
| Industrial PLC I/O Module | Off-Highway Vehicle Telematics Gateway |
|
Use Scenario: DIN-rail mounted remote I/O node collecting analog sensor data (temperature, pressure) and driving relay outputs in factory automation systems. IC Role / Device Role / Timing Role: Data acquisition and protocol translation hub interfacing with Modbus RTU over RS-485 (via SCI) and local analog inputs. Use Value: Dual ATD converters with hardware-triggered sampling allow synchronized acquisition across 16 channels-critical for vibration analysis and multi-sensor correlation. |
Use Scenario: Ruggedized telematics unit aggregating GPS, CAN bus diagnostics, and cellular modem status in construction and agricultural machinery. IC Role / Device Role / Timing Role: Message aggregator and watchdog supervisor managing CAN frame parsing, RTC-backed event logging, and safe shutdown sequencing during brown-out. Use Value: Built-in voltage regulator and wide 4.5–5.5 V operating range tolerate battery fluctuations common in off-road environments-eliminating need for external DC-DC pre-regulator. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12DG128F2V2 | 128 KB Flash, 8 KB RAM, same HCS12 core and peripheral set; adds second CAN channel and enhanced BDM with higher-speed programming. | Required for systems needing dual-CAN domains (e.g., powertrain + chassis networks) or larger firmware images with OTA update capability. | Select when future scalability or additional CAN bandwidth is needed; footprint differs (112-pin LQFP), requiring PCB redesign. |
| S912XDP512J1MAL | S12X derivative with 512 KB Flash, 32 KB RAM, XGATE co-processor, and enhanced ECT; pin-compatible with MC9S12DJ64VFUE in 80QFP package. | Needed for applications demanding >64 KB code space, real-time DSP-like tasks (e.g., motor FOC), or higher interrupt throughput. | Drop-in replacement for 80QFP layouts; leverages same toolchain but requires XGATE configuration and updated startup code. |
Compared with MC9S12DJ64VFUE, MC9S12DG128F2V2 offers double Flash/RAM and dual CAN but requires new PCB layout, while S912XDP512J1MAL provides scalable performance in identical 80QFP packaging-making it ideal for incremental feature upgrades without hardware revision.
Availability
MC9S12DJ64VFUE is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC I/O nodes, and off-highway telematics gateways requiring stable component supply, long-term lifecycle support, and traceable sourcing from authorized channels.
Supply support for MC9S12DJ64VFUE 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 microcontroller innovation dating back to Motorola's semiconductor division.
The MC9S12DJ64VFUE belongs to the HCS12 family, engineered specifically for cost-sensitive, high-reliability automotive body electronics and industrial control applications where CAN integration, Flash endurance, and BDM debug capability are essential design requirements.
FAQ
What is the maximum bus frequency supported by the MC9S12DJ64VFUE?
The MC9S12DJ64VFUE supports a maximum bus frequency of 25 MHz, achieved via its internal Phase-Locked Loop (PLL) that multiplies the external crystal or oscillator input. This frequency determines instruction execution speed (12.5 MIPS), peripheral timing resolution, and maximum CAN bit rate (1 Mbit/s). Operation above 25 MHz violates electrical specifications and may cause timing violations in ATD conversions or ECT captures.
Does the MC9S12DJ64VFUE include on-chip EEPROM memory?
The MC9S12DJ64VFUE does not contain dedicated EEPROM silicon but provides 1 KB of emulated EEPROM functionality using a protected region of its 64 KB Flash memory. This is implemented via the S12LRAE bootloader and supports byte-level writes with wear leveling, enabling reliable storage of calibration data, configuration parameters, and runtime counters across power cycles.
How many analog input channels does the MC9S12DJ64VFUE support?
The MC9S12DJ64VFUE integrates two independent 10-bit Analog-to-Digital Converters (ATD0 and ATD1), each supporting up to 16 analog input channels via multiplexed port pins. Combined, they provide 32 distinct analog inputs-though physical pin count limits concurrent usage to 16 unique pins shared between both modules, with flexible channel mapping controlled by ATDCTL registers.
Is the MC9S12DJ64VFUE pin-compatible with other HCS12 derivatives in the same package?
The MC9S12DJ64VFUE in 80-pin QFP is pin-compatible with the MC9S12D64 and MC9S12D32 derivatives sharing the same package variant, as confirmed in Freescale's Device User Guide V01.20. However, it is not compatible with higher-pin-count variants (e.g., 112-pin LQFP) or S12X-family parts-even if packaged identically-due to differences in peripheral signal assignment and register mapping.
What debug interface does the MC9S12DJ64VFUE use, and what tools support it?
The MC9S12DJ64VFUE uses the Background Debug Mode (BDM) interface, a single-wire, non-intrusive debug protocol accessible via the BKGD pin. It is supported by NXP's CodeWarrior Development Studio, P&E Micro's Multilink/Cyclone programmers, and third-party JTAG-to-BDM adapters. BDM enables full register visibility, flash programming, and real-time breakpoint execution without halting peripheral operation.
MC9S12DJ64VFUE 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12DJ64VFUE FAQ
1.How can I place an order for MC9S12DJ64VFUE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12DJ64VFUE 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 MC9S12DJ64VFUE reliable?
The price and inventory of MC9S12DJ64VFUE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12DJ64VFUE is usually 5 days.
3.What payment methods are accepted for MC9S12DJ64VFUE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12DJ64VFUE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12DJ64VFUE?
MC9S12DJ64VFUE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12DJ64VFUE 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 MC9S12DJ64VFUE?
For technical support, including MC9S12DJ64VFUE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12DJ64VFUE requirements.
6.How does Aetrix verify that MC9S12DJ64VFUE is sourced from the original manufacturer or authorized distributors?
All MC9S12DJ64VFUE 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 MC9S12DJ64VFUE meets industry standards.
7.What is the process for return or replacement of MC9S12DJ64VFUE?
All MC9S12DJ64VFUE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12DJ64VFUE, 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 MC9S12DJ64VFUE part is unused and in its original packaging.
Return procedure for MC9S12DJ64VFUE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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