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NXP Semiconductors MC9S12DJ128VPVE
- Part No.:
- MC9S12DJ128VPVE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12DJ128VPVE.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,997
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Product details
Overview
MC9S12DJ128VPVE from NXP (formerly Freescale) is a 16-bit automotive microcontroller featuring CPU12 core, 128KB Flash EEPROM, 8KB RAM, 2KB EEPROM, dual 10-bit ADCs (16-channel total), two CAN 2.0A/B modules, J1850 BDLC interface, and 8-channel PWM - deployed in vehicle body control modules for lighting, door lock, and window lift systems.
For engineers reviewing the MC9S12DJ128VPVE datasheet, MC9S12DJ128VPVE pinout, MC9S12DJ128VPVE application, or MC9S12DJ128VPVE equivalent, key selection criteria include CAN/J1850 coexistence, 112-pin LQFP package compatibility, 5V-tolerant I/O with 2.5V core logic, and background debug mode (BDM) support for in-vehicle firmware updates.
Technical Context
The MC9S12DJ128VPVE implements the HCS12 instruction set with upward compatibility to M68HC11, including identical interrupt stacking and programmer's model. Its System Integration Module (SIM) manages clock generation via PLL (enabling 25 MHz bus speed), reset control, interrupt routing, and multiplexed external bus interface supporting both 16-bit wide and 8-bit narrow modes.
Peripheral integration includes two asynchronous SCI ports, two SPI interfaces (SPI0 and SPI1), I²C bus, enhanced capture timer (ECT) with 8 input-capture/output-compare channels, and flexible CAN routing: CAN0 on PM1:0 and CAN4 on PJ7:6 - both software-reconfigurable to alternate pins (PM5:4, PM7:6) per device variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit core with M68HC11 instruction set compatibility and HCS12 instruction queue |
| Flash Memory | 128 KB Flash EEPROM with 16 KB fixed boot sector and 8 × 16 KB page window for firmware partitioning |
| RAM / EEPROM | 8 KB RAM mappable to 8 KB boundary; 2 KB EEPROM mappable to 2 KB boundary for parameter storage |
| CAN Interfaces | Two CAN 2.0A/B software-compatible modules (CAN0 and CAN4), each with 5 receive + 3 transmit buffers |
| Analog Peripherals | Dual 10-bit ADC modules (ATD0/ATD1), supporting up to 16 total channels with external trigger capability |
| Package & Supply | 112-pin LQFP (Pb-free, RoHS-compliant); 5 V I/O tolerance, 2.5 V core logic supply, internal 5 V → 2.5 V regulator |
| Operating Range | -40°C to +125°C ambient temperature; 25 MHz bus speed (50 MHz CPU equivalent) in single-chip mode |
Pinout & Package
MC9S12DJ128VPVE uses a 112-pin LQFP package (case no. 987) with 20 mm × 20 mm body, 0.65 mm lead pitch, and exposed thermal pad. Pin functions are fully defined in Freescale document MC9S12D-FamilyPP Rev 6.1, Figures 1 and 5.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA0–PA7 | Address/Data Bus (AD0–AD7) | Multiplexed 8-bit data/low-order address lines in narrow bus mode; supports 8-bit memory interfacing |
| PM0/PM1 | CAN0 RX/TX | Dedicated differential CAN transceiver interface for primary CAN network (CAN0) |
| PJ6/PJ7 | CAN4 RX/TX | Secondary CAN interface (CAN4), software-routable to PM5:4 or PM7:6 for layout flexibility |
| PS0–PS3 | SCI0 RX/TX, SCI1 RX/TX | Two independent UART channels supporting diagnostic logging and ECU-to-ECU communication |
| PP0–PP7 | PWM0–PWM7 / SPI2 | 8-channel PWM outputs (center/left-aligned, programmable period/duty); also supports SPI2 in 112-pin variant |
| PAD0–PAD15 | ADC Inputs (AN0–AN15) | 16 analog inputs shared across two 8-channel 10-bit ADC modules; supports external conversion trigger |
| PE0–PE7 | Interrupt-capable I/O (IRQ, XIRQ, R/W, etc.) | Includes edge-sensitive wake-up inputs (H, P, J ports) enabling STOP/WAIT mode exit on signal change |
Key Features
| Feature | Design Value |
|---|---|
| Single-wire BDM debug | Enables in-system programming and real-time debugging via BKGD pin without dedicated JTAG header |
| Flexible CAN routing | CAN0 and CAN4 pins can be remapped in software to alternate port pins (e.g., PM5:4), easing PCB layout reuse |
| PLL-based clock scaling | Phase-locked loop allows dynamic adjustment of bus speed (up to 25 MHz) to balance performance vs. power consumption |
| Wake-up interrupt capability | 22 GPIO pins (Port H:8, Port P:8, Port J:4, IRQ/XIRQ) support edge-triggered wake-up from low-power STOP/WAIT modes |
| J1850 BDLC compliance | SAE J1850 Variable Pulse Width (10.4 kbps) interface for legacy vehicle diagnostics and body control networks |
Applications
| Body Control Module (BCM) | Power Window Controller |
|---|---|
Use Scenario: Centralized management of lighting, wipers, locks, and mirrors in modern passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing CAN message arbitration, PWM-driven LED dimming, and ADC-based sensor monitoring (e.g., rain/light sensors). Use Value: Dual CAN modules enable simultaneous communication with engine and chassis networks; J1850 interface maintains backward compatibility with legacy diagnostic tools. | Use Scenario: Motorized window lift system requiring precise position sensing, anti-pinch detection, and LIN/CAN gateway functionality. IC Role / Device Role / Timing Role: Real-time motor control MCU using ECT timers for encoder counting and PWM for H-bridge drive, with ADC sampling current/voltage for stall detection. Use Value: 10-bit dual ADC enables simultaneous sampling of motor current and battery voltage; 8-channel PWM supports multi-motor coordination and soft-start profiles. |
| Door Module Controller | Roof Console Interface |
Use Scenario: Integrated door module handling mirror folding, window lift, interior lighting, and keyless entry RF reception. IC Role / Device Role / Timing Role: Peripheral-rich MCU managing multiple serial interfaces (SCI for RF module, SPI for EEPROM, I²C for ambient light sensor), GPIO for switch scanning, and PWM for LED backlighting. Use Value: 112-pin LQFP provides sufficient I/O for 8+ switches, 4+ LEDs, motor drivers, and sensor interfaces; 5V-tolerant I/O eliminates level-shifting for legacy automotive sensors. | Use Scenario: Overhead console with sunroof control, map lights, garage door opener, and ambient light-sensing dimming. IC Role / Device Role / Timing Role: Low-power application MCU using STOP mode between button presses, waking on Port H/P interrupts, and driving PWM-controlled RGB LEDs. Use Value: Wake-up interrupt capability on 22 pins ensures responsive UI while maintaining <10 µA standby current; internal 2.5 V regulator simplifies power design with single 5 V rail. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12DG128VPVE | No J1850 BDLC module; retains dual CAN, dual ADC, same memory and package | Suitable where SAE J1850 diagnostics are not required, e.g., newer CAN-only architectures | Select MC9S12DG128VPVE when J1850 is unnecessary and cost reduction is prioritized |
| S912XDP512J1MAL | Enhanced XGATE coprocessor, 512 KB Flash, 32 KB RAM, same 112-pin LQFP but higher temp grade (–40°C to +150°C) | Targeted at powertrain or transmission control where extended temperature operation and deterministic offload are critical | Choose S912XDP512J1MAL for next-generation designs needing higher compute headroom and extended thermal range |
Compared with MC9S12DJ128VPVE, MC9S12DG128VPVE removes J1850 hardware to reduce die size and cost, while S912XDP512J1MAL upgrades memory, adds XGATE acceleration, and extends temperature rating - making it suitable for safety-critical domains beyond body electronics.
Availability
MC9S12DJ128VPVE is available at Aetrix Electronics and suitable for automotive body control, power window systems, and door module applications requiring stable component supply across extended product lifecycles.
Supply support for MC9S12DJ128VPVE 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 company formed from the spin-off of Freescale Semiconductor and Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MC9S12D-Family was designed by Freescale (now NXP) specifically for cost-sensitive, high-reliability automotive multiplexing applications - emphasizing CAN/J1850 interoperability, scalable memory, and robust debug infrastructure for Tier 1 ECU development.
FAQ
What is the maximum bus speed supported by the MC9S12DJ128VPVE?
The MC9S12DJ128VPVE supports a maximum bus speed of 25 MHz in single-chip mode (equivalent to 50 MHz CPU clock), achieved via its integrated PLL circuit. This speed is validated over the full –40°C to +125°C operating temperature range and enables real-time execution of CAN message handling, PWM generation, and ADC conversions without pipeline stalls.
Does the MC9S12DJ128VPVE support in-circuit debugging?
Yes, the MC9S12DJ128VPVE supports single-wire background debug mode (BDM) via the MODC/TAGHI/BKGD pin (Pin 57 in 112-pin LQFP). This allows full read/write memory access, register inspection, breakpoint setting, and flash programming without halting real-time peripheral operation - essential for validating CAN timing and PWM behavior in live vehicle environments.
How many CAN modules does the MC9S12DJ128VPVE integrate, and what are their capabilities?
The MC9S12DJ128VPVE integrates two CAN 2.0A/B software-compatible modules: CAN0 (on PM0/PM1) and CAN4 (on PJ6/PJ7). Each supports 1 Mbps operation, five receive and three transmit buffers, flexible identifier filtering (2×32-bit, 4×16-bit, or 8×8-bit), and dedicated interrupt channels for RX, TX, error, and wake-up - enabling concurrent communication on separate vehicle networks.
Can the MC9S12DJ128VPVE operate with an external 8-bit memory interface?
Yes, the MC9S12DJ128VPVE supports an 8-bit narrow bus mode via its multiplexed external bus interface (MEBI), allowing connection to single 8-bit-wide memory devices such as SRAM or EPROM. This reduces system cost and board space versus full 16-bit data buses while retaining full 1 MB external address space for program and data expansion.
What ADC resolution and channel count does the MC9S12DJ128VPVE provide?
The MC9S12DJ128VPVE includes two 10-bit analog-to-digital converters (ATD0 and ATD1), configurable as either one 16-channel module or two independent 8-channel modules. Each supports external conversion triggers, sample-and-hold, and programmable conversion sequences - delivering 10-bit precision across all 16 inputs (PAD0–PAD15) for sensor monitoring in automotive body control applications.
MC9S12DJ128VPVE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- PWM, WDT
- Number of I/O:
- 91
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.25V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12DJ128VPVE FAQ
1.How can I place an order for MC9S12DJ128VPVE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12DJ128VPVE 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 MC9S12DJ128VPVE reliable?
The price and inventory of MC9S12DJ128VPVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12DJ128VPVE is usually 5 days.
3.What payment methods are accepted for MC9S12DJ128VPVE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12DJ128VPVE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12DJ128VPVE?
MC9S12DJ128VPVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12DJ128VPVE 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 MC9S12DJ128VPVE?
For technical support, including MC9S12DJ128VPVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12DJ128VPVE requirements.
6.How does Aetrix verify that MC9S12DJ128VPVE is sourced from the original manufacturer or authorized distributors?
All MC9S12DJ128VPVE 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 MC9S12DJ128VPVE meets industry standards.
7.What is the process for return or replacement of MC9S12DJ128VPVE?
All MC9S12DJ128VPVE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12DJ128VPVE, 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 MC9S12DJ128VPVE part is unused and in its original packaging.
Return procedure for MC9S12DJ128VPVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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