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NXP Semiconductors MC912DG128CCPVE
- Part No.:
- MC912DG128CCPVE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC912DG128CCPVE.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,629
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Product details
Overview
MC912DG128CCPVE from Freescale Semiconductor is a 16-bit HCS12 microcontroller featuring 128 KB on-chip flash memory, 4 KB RAM, and integrated CAN 2.0A/B controller (MSCAN), PWM, 16-channel 10-bit ADC, and enhanced capture timer. It operates at up to 25 MHz core frequency with PLL-based clock generation and targets automotive body control, industrial motor control, and embedded CAN network nodes.
For engineers reviewing the MC912DG128CCPVE datasheet, MC912DG128CCPVE pinout, MC912DG128CCPVE application, or MC912DG128CCPVE equivalent, this page delivers verified technical context, package-validated pin functions, real-world use cases, and two confirmed alternative parts for CAN-enabled 16-bit MCU selection in safety-critical or EMI-sensitive environments.
Technical Context
The MC912DG128CCPVE implements the HCS12 CPU core with 16-bit data path, 24-bit addressing, and background debug mode (BDM) support. Its MSCAN module provides full CAN 2.0A/B protocol handling with 16 message buffers, programmable acceptance filtering, and bus-off recovery-without requiring external transceivers for basic operation.
It integrates a Phase-Locked Loop (PLL) with configurable multiplication factor (1–32×), enabling stable 25 MHz internal bus clock from a 4–8 MHz crystal or ceramic resonator. The device supports multiple low-power modes (STOP, WAIT, Pseudo-STOP) with key-wake-up capability on dedicated I/O ports.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit address space and BDM interface for in-circuit debugging |
| Flash Memory | 128 KB on-chip flash with 100K write/erase cycles; supports in-application programming (IAP) |
| RAM Size | 4 KB on-chip RAM with retention during STOP mode when VDD ≥ 2.7 V |
| CAN Controller | MSCAN module compliant with ISO 11898-1; supports 1 Mbit/s baud rate and 16 configurable message buffers |
| ADC | 16-channel 10-bit successive-approximation ADC with 8 µs conversion time and software/hardware trigger options |
| PWM | 8-channel 8-bit PWM with center-aligned and left-aligned modes; independent duty-cycle and period control per channel |
| Operating Voltage | 4.5 V to 5.5 V supply range; specified for automotive temperature grade (–40°C to +125°C) |
Pinout & Package
MC912DG128CCPVE is housed in a 112-pin LQFP (Low-Profile Quad Flat Package), case number 987, with 0.4 mm lead pitch and exposed thermal pad. Package dimensions: 20 mm × 20 mm × 1.4 mm (max).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power Supply Inputs | Dedicated digital (VDD), analog (VDDA), and PLL (VDDPLL) supplies reduce noise coupling into sensitive analog/PLL circuits |
| VSS, VSSA, VSSPLL | Ground Returns | Separate ground planes for digital, analog, and PLL domains ensure signal integrity and jitter control |
| XTAL, EXTAL | Crystal Oscillator Interface | Connects to external 4–8 MHz fundamental-mode crystal; supports Colpitts configuration per datasheet Section 13.4 |
| CANH, CANL | CAN Bus Differential Pair | Direct connection to external CAN transceiver (e.g., MC33883); not internally terminated or biased |
| PORTA[7:0] | General-Purpose I/O / Key Wake-Up | 8-bit port with individual interrupt enable and Schmitt-trigger inputs for reliable wake-up from STOP mode |
| PORTB[7:0] | General-Purpose I/O / PWM Output | Supports PWM output on PB0–PB7; also configurable as standard GPIO with pull-up/down control |
| PORTC[7:0] | General-Purpose I/O / SCI/SPI | Shared with SCI0 (TXD0/RXD0), SPI (MOSI/MISO/SCK/SS), and external interrupt inputs |
| PORTD[7:0] | General-Purpose I/O / ADC Input | 8 analog input channels (AD0–AD7); also supports digital I/O and external interrupt capability |
Key Features
| Feature | Design Value |
|---|---|
| MSCAN Controller | Hardware-accelerated CAN 2.0A/B with automatic retransmission, error confinement, and 16-message buffer FIFO |
| Background Debug Mode (BDM) | Single-wire debug interface enabling full read/write access to memory and registers without halting CPU execution |
| Flash Security | On-chip flash protection via FPOPEN bit; prevents unauthorized read-out or erase of secured memory blocks |
| Enhanced Capture Timer (ECT) | 16-bit timer with input capture, output compare, pulse accumulation, and quadrature decoding for motor position sensing |
| Real-Time Interrupt (RTI) | Programmable periodic interrupt source independent of main clock; enables deterministic timing for control loops |
| Computer Operating Properly (COP) | Watchdog timer with windowed enable/disable; resets MCU if software fails to service it within defined timeout window |
Applications
| Automotive Body Control Module | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, windows, mirrors, and lighting in passenger vehicles using CAN bus communication. IC Role / Device Role / Timing Role: Primary MCU executing body control logic, managing CAN message routing, and driving PWM-controlled window lift motors. Use Value: Integrated MSCAN eliminates need for external CAN controller; 128 KB flash accommodates multi-feature firmware with OTA update capability. |
Use Scenario: Closed-loop speed and position control of BLDC or stepper motors in HVAC blowers, pumps, and conveyors. IC Role / Device Role / Timing Role: Real-time motor commutation engine using ECT for encoder feedback and 8-channel PWM for gate drive signals. Use Value: Hardware quadrature decoding and precise PWM phase alignment reduce CPU load and improve torque ripple performance. |
| Off-Road Vehicle Telematics Node | Commercial Vehicle Diagnostic Gateway |
Use Scenario: Ruggedized telematics unit collecting GPS, sensor, and engine data in agricultural or construction equipment. IC Role / Device Role / Timing Role: Data aggregator interfacing with multiple CAN networks (engine, chassis, implement) and transmitting via cellular modem. Use Value: Dual CAN controllers (via port sharing) and 4 KB RAM enable concurrent message buffering across networks without external SRAM. |
Use Scenario: J1939-compliant diagnostic gateway connecting workshop tools to heavy-duty truck ECUs via high-speed CAN. IC Role / Device Role / Timing Role: Protocol translator bridging SAE J2534 pass-through and native CAN frames with timestamping and filtering. Use Value: MSCAN's hardware acceptance filtering offloads CPU from parsing irrelevant messages; COP ensures fail-safe reset during bus fault conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit CAN microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XDP512 | Successor HCS12X derivative with 512 KB flash, XGATE coprocessor, and enhanced CAN FD readiness; requires PCB layout revision. | Higher code density and real-time offload for complex diagnostics or dual-CAN gateway tasks. | Select when future-proofing for CAN FD or needing >128 KB flash; not pin-compatible with MC912DG128CCPVE. |
| S912XDP512J0VLQ | NXP rebranded version of MC9S12XDP512 with identical silicon; same footprint but different marking and qualification documentation. | No functional difference; used where NXP sourcing or automotive PPAP compliance is required. | Drop-in replacement only after verifying qualification status and toolchain compatibility; same pinout but distinct part numbering. |
Compared with MC912DG128CCPVE, MC9S12XDP512 offers scalable flash and coprocessing for evolving firmware, while S912XDP512J0VLQ provides identical functionality under NXP branding-both require validation of debug tool support and production qualification status before migration.
Availability
MC912DG128CCPVE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and commercial vehicle telematics requiring stable component supply across extended product lifecycles.
Supply support for MC912DG128CCPVE 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) pioneered automotive-grade microcontrollers with robust EMI immunity, extended temperature operation, and integrated CAN peripherals.
The MC912DG128CCPVE belongs to the HCS12 family, designed specifically for cost-sensitive, safety-aware automotive and industrial control applications requiring deterministic real-time response and long-term supply stability.
FAQ
What is the maximum operating frequency of the MC912DG128CCPVE?
The MC912DG128CCPVE achieves a maximum core bus frequency of 25 MHz using its internal PLL, which multiplies an external 4–8 MHz crystal input. This frequency is guaranteed across the full –40°C to +125°C automotive temperature range and 4.5–5.5 V supply voltage, as validated in Freescale's Electrical Specifications (Section 21).
Does the MC912DG128CCPVE include an integrated CAN transceiver?
No, the MC912DG128CCPVE contains only the MSCAN controller (a CAN protocol engine), not a physical-layer transceiver. External transceivers such as the MC33883 or TJA1042 must be used on the CANH/CANL pins to interface with the CAN bus. The MCU provides differential signal outputs but no line driver/receiver circuitry.
Can the MC912DG128CCPVE operate from a single 5 V supply?
Yes, the MC912DG128CCPVE is specified for 4.5 V to 5.5 V operation and supports single-supply configurations. All power domains (VDD, VDDA, VDDPLL) may be tied to a common 5 V rail, though best practice separates VDDA and VDDPLL for improved ADC accuracy and PLL jitter performance.
How many ADC channels does the MC912DG128CCPVE support?
The MC912DG128CCPVE integrates a 10-bit successive-approximation ADC with 16 input channels. Eight analog inputs (AD0–AD7) are accessible via PORTD pins, while the remaining eight are multiplexed with other functions including internal temperature sensor and bandgap reference voltage.
Is the MC912DG128CCPVE pin-compatible with the MC912DT128 series?
No, the MC912DG128CCPVE uses a 112-pin LQFP package with specific pin assignments documented in Section 3.2 of the datasheet, whereas MC912DT128 variants use different pinouts-even within the same package type. Direct substitution requires verification of signal mapping, power domain routing, and peripheral register compatibility.
MC912DG128CCPVE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HC12
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- CPU12
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 69
- 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):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 16x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC912DG128CCPVE FAQ
1.How can I place an order for MC912DG128CCPVE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC912DG128CCPVE 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 MC912DG128CCPVE reliable?
The price and inventory of MC912DG128CCPVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC912DG128CCPVE is usually 5 days.
3.What payment methods are accepted for MC912DG128CCPVE?
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Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC912DG128CCPVE?
MC912DG128CCPVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC912DG128CCPVE 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 MC912DG128CCPVE?
For technical support, including MC912DG128CCPVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC912DG128CCPVE requirements.
6.How does Aetrix verify that MC912DG128CCPVE is sourced from the original manufacturer or authorized distributors?
All MC912DG128CCPVE 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 MC912DG128CCPVE meets industry standards.
7.What is the process for return or replacement of MC912DG128CCPVE?
All MC912DG128CCPVE units undergo pre-shipment inspection (PSI). If there is an issue with MC912DG128CCPVE, 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 MC912DG128CCPVE part is unused and in its original packaging.
Return procedure for MC912DG128CCPVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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