My Inquiry
My Account
NXP Semiconductors MC9S12DJ128MPVE
- Part No.:
- MC9S12DJ128MPVE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12DJ128MPVE.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,789
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MC9S12DJ128MPVE from Freescale Semiconductor is a 16-bit automotive microcontroller featuring 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 body control modules for LIN/CAN gateway functions and lighting control.
For engineers reviewing the MC9S12DJ128MPVE datasheet, MC9S12DJ128MPVE pinout, MC9S12DJ128MPVE application, or MC9S12DJ128MPVE equivalent, key selection criteria include CAN/J1850 coexistence, 112-pin LQFP package I/O mapping, 5V-tolerant analog/digital I/O, PLL-based bus speed scaling (up to 25 MHz), and BDM debug support for production firmware validation.
Technical Context
The MC9S12DJ128MPVE implements the CPU12 core with M68HC11 instruction set compatibility, 7-stage instruction queue, and enhanced indexed addressing. Its System Integration Module (SIM) manages clock generation via a PLL multiplier, COP watchdog, real-time interrupt, 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/SPI1), I²C bus controller, enhanced capture timer (ECT) with 8 input-capture/output-compare channels, and software-routable CAN0/CAN4 pins shared with J1850 and I²C signals - all coordinated through dedicated interrupt channels and wake-up capability from STOP/WAIT modes.
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 configurable page window |
| RAM / EEPROM | 8 KB on-chip RAM; 2 KB EEPROM mappable to any 2 KB boundary |
| ADC Resolution | Dual 10-bit ADC modules - 8-channel each, totaling 16 analog inputs with external trigger support |
| CAN Interfaces | Two CAN 2.0A/B software-compatible modules (CAN0 and CAN4), each with 5 receive/3 transmit buffers |
| J1850 BDLC | SAE J1850 Variable Pulse Width (10.4 kbps) module with byte-level RX/TX and 4× receive mode |
| Package & I/O | 112-pin LQFP; 91 total I/O lines including 22 interrupt-capable pins (Port H, P, J, IRQ, XIRQ) |
| Operating Voltage | 5 V I/O and analog supply; internal 5 V → 2.5 V regulator powers core logic |
Pinout & Package
MC9S12DJ128MPVE is housed in a 112-pin LQFP (case no. 987), 20 mm × 20 mm body, 0.4 mm lead pitch, with exposed thermal pad. Pin assignments follow the MC9S12D-Family standard layout; critical routing includes CAN0/CAN4 signal sharing with J1850/I²C pins and software-selectable peripheral port mapping (e.g., CAN0 on PM1:0 or PJ7:6).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PM0 / PJ6 | CAN0 RX / CAN4 RX | Primary CAN receive inputs; software-routable between PM and PJ ports per configuration |
| PM1 / PJ7 | CAN0 TX / CAN4 TX | Primary CAN transmit outputs; routing flexibility enables shared physical layer design |
| PS0–PS3 | SCI0 RX/TX, SCI1 RX/TX | Dedicated UART interfaces for diagnostics and inter-ECU communication |
| PP0–PP7 | PWM0–PWM7 / SPI2 signals | 8-channel PWM output with center/left-aligned modes; also serve as SPI2 MISO/MOSI/SS/SCK |
| PA0–PA7 | ADDR8–ADDR15 / DATA8–DATA15 | Multiplexed external bus interface for expanded memory or peripheral access |
| VDDA / VSSA / VRH / VRL | Analog power & reference | 5 V analog supply with dedicated high/low reference inputs for ADC accuracy |
| BKGD / MODC | Background Debug / Tag HI | Single-wire BDM interface for flash programming and real-time debugging without halting CPU |
Key Features
| Feature | Design Value |
|---|---|
| PLL Clock Generation | Configurable bus speed up to 25 MHz (50 MHz core equivalent); supports limp-home mode if external crystal fails |
| Wake-Up Interrupt Sources | 22 dedicated I/O pins (Port H, P, J, IRQ, XIRQ) enable low-power STOP/WAIT mode exit with sub-10 µs latency |
| Peripheral Routing Flexibility | CAN0/CAN4, SPI2, and J1850 signals share pins and can be remapped in software - reduces PCB layer count and simplifies variant designs |
| Memory Protection | Boot-sector Flash protection (2–16 KB) and EEPROM write-protection prevent inadvertent firmware corruption during field updates |
| On-Chip Debug Support | Hardware breakpoints, single-step execution, and register visibility via BDM eliminate need for external emulators in production test |
| Automotive Qualification | Rated for −40°C to +125°C ambient operation; meets AEC-Q100 stress test requirements for automotive electronics |
Applications
| Body Control Module (BCM) | Lighting Control Unit (LCU) |
|---|---|
Use Scenario: Centralized management of door locks, window lifts, mirror controls, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: MC9S12DJ128MPVE acts as the primary controller coordinating LIN slave nodes and CAN messages from gateway ECU. Use Value: Dual CAN interfaces allow simultaneous communication with powertrain and infotainment networks while J1850 supports legacy diagnostic tools. | Use Scenario: Adaptive headlight leveling, dynamic brake light sequencing, and LED dimming control based on vehicle speed and ambient light. IC Role / Device Role / Timing Role: MC9S12DJ128MPVE executes real-time PWM timing for precise LED current regulation and monitors photodiode inputs via 10-bit ADC. Use Value: 8-channel PWM with independent duty-cycle control enables synchronized multi-zone lighting without external driver ICs. |
| Climate Control Interface | Seat Position Memory System |
Use Scenario: HVAC panel with rotary encoder inputs, display backlighting, and CAN-based compressor control in premium vehicle cabins. IC Role / Device Role / Timing Role: MC9S12DJ128MPVE processes user inputs, drives segmented LCD via GPIO, and transmits temperature setpoints over CAN. Use Value: 16-channel ADC supports simultaneous reading of NTC thermistors, potentiometers, and Hall-effect sensors for closed-loop climate feedback. | Use Scenario: Driver seat position recall using motorized actuators, memory buttons, and non-volatile storage of user profiles. IC Role / Device Role / Timing Role: MC9S12DJ128MPVE monitors switch inputs, controls H-bridge drivers via PWM, and stores seat positions in on-chip EEPROM. Use Value: 2 KB EEPROM provides reliable, wear-leveled storage for up to 4 user profiles without external serial EEPROM. |
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 |
|---|---|---|---|
| MC9S12DG128CPVE | No J1850 BDLC module; identical Flash/RAM/EEPROM and CAN count | Suitable where legacy SAE J1850 diagnostics are not required | Select when cost reduction is prioritized and J1850 compatibility is unnecessary |
| S912XDP512J1MAL | Enhanced XGATE coprocessor, 512 KB Flash, 32 KB RAM, same pinout but higher voltage tolerance (5.5 V) | Supports more complex real-time tasks like sensor fusion or CAN FD preprocessing | Choose for next-generation platforms requiring scalability beyond MC9S12DJ128MPVE capabilities |
Compared with MC9S12DJ128MPVE, MC9S12DG128CPVE removes J1850 but retains full CAN functionality for simplified diagnostics, while S912XDP512J1MAL offers XGATE acceleration and larger memory for future-proofed designs - neither is pin-compatible, requiring PCB revision.
Availability
MC9S12DJ128MPVE is available at Aetrix Electronics and suitable for automotive body electronics, lighting control, and climate interface applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MC9S12DJ128MPVE 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
Freescale Semiconductor (now part of NXP Semiconductors) is a global leader in automotive and industrial microcontrollers, known for robust silicon design and long-term product support.
The MC9S12D-Family was engineered specifically for cost-sensitive automotive multiplexing systems, emphasizing scalable memory/peripheral configurations, CAN/J1850 interoperability, and production-ready debug infrastructure.
FAQ
What is the maximum bus speed supported by the MC9S12DJ128MPVE?
The MC9S12DJ128MPVE supports a maximum bus speed of 25 MHz, achieved via its integrated PLL circuit which multiplies the external crystal frequency. This corresponds to a 50 MHz core equivalent speed in single-chip mode and enables deterministic real-time response for automotive control loops. The MC9S12DJ128MPVE maintains this performance across its full −40°C to +125°C operating range.
Does the MC9S12DJ128MPVE support CAN FD or only classical CAN?
The MC9S12DJ128MPVE supports only Classical CAN (CAN 2.0A/B) at up to 1 Mbps - it does not implement CAN FD features such as flexible data-rate or extended payload. Its MSCAN12 module is software-compatible with earlier Freescale CAN peripherals but lacks the hardware enhancements required for CAN FD arbitration or data phase switching. For CAN FD, designers must select newer S32K or MagniV families.
How many analog input channels does the MC9S12DJ128MPVE provide?
The MC9S12DJ128MPVE integrates two 10-bit analog-to-digital converters (ATD0 and ATD1), each with 8 dedicated input channels, for a total of 16 analog inputs. These channels support external conversion triggers and share the same 5 V analog supply (VDDA/VSSA) and reference rails (VRH/VRL). Channel selection and sampling sequence are fully programmable via ATDCTL registers.
Is the MC9S12DJ128MPVE pin-compatible with other MC9S12D-Family members?
Yes, the MC9S12DJ128MPVE is fully pin-compatible with all 112-pin LQFP variants in the MC9S12D-Family, including MC9S12DT128MPVE and MC9S12DG128MPVE. This allows hardware reuse across memory/peripheral variants - for example, upgrading from 128 KB to 256 KB Flash requires only firmware and configuration changes, not PCB redesign.
What debug interface does the MC9S12DJ128MPVE use?
The MC9S12DJ128MPVE uses Freescale's single-wire Background Debug Mode (BDM) interface via the BKGD pin. This allows full in-circuit debugging - including flash programming, breakpoint setting, register inspection, and real-time variable monitoring - without halting system operation or requiring additional debug headers. BDM is supported by standard tools like P&E Micro Cyclone and CodeWarrior IDE.
MC9S12DJ128MPVE 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12DJ128MPVE FAQ
1.How can I place an order for MC9S12DJ128MPVE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12DJ128MPVE 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 MC9S12DJ128MPVE reliable?
The price and inventory of MC9S12DJ128MPVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12DJ128MPVE is usually 5 days.
3.What payment methods are accepted for MC9S12DJ128MPVE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12DJ128MPVE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12DJ128MPVE?
MC9S12DJ128MPVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12DJ128MPVE 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 MC9S12DJ128MPVE?
For technical support, including MC9S12DJ128MPVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12DJ128MPVE requirements.
6.How does Aetrix verify that MC9S12DJ128MPVE is sourced from the original manufacturer or authorized distributors?
All MC9S12DJ128MPVE 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 MC9S12DJ128MPVE meets industry standards.
7.What is the process for return or replacement of MC9S12DJ128MPVE?
All MC9S12DJ128MPVE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12DJ128MPVE, 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 MC9S12DJ128MPVE part is unused and in its original packaging.
Return procedure for MC9S12DJ128MPVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC9S12DJ128MPVE Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
