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NXP Semiconductors MC9S12DG128CPVER
- Part No.:
- MC9S12DG128CPVER
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12DG128CPVER.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,170
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Product details
Overview
MC9S12DG128CPVER from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller with 128 KB on-chip Flash, 8 KB RAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz bus frequency, supports 5V I/O, and features 10-bit ATD converter, 8-channel PWM, and background debug interface. It targets automotive body control modules requiring robust real-time control and CAN network integration.
For engineers reviewing the MC9S12DG128CPVER datasheet, MC9S12DG128CPVER pinout, MC9S12DG128CPVER application, or MC9S12DG128CPVER equivalent, key selection criteria include its 80-pin QFP package, 5V tolerance, single CAN channel (CAN0), PLL-based clock generation, and AEC-Q100 qualification for automotive use.
Technical Context
The MC9S12DG128CPVER implements the HCS12 CPU core with 16-bit data path, 24-bit addressing, and instruction set backward-compatible with HC12. Its Clock and Reset Generator (CRG) block includes a PLL capable of generating up to 50 MHz internal clock from 4–8 MHz crystal input, with configurable divide-by-2 bus clock output.
It integrates a full MSCAN module compliant with ISO 11898-1, supporting both standard and extended frames, programmable bit timing, and three message buffers. The device uses an external 80-pin QFP package with dedicated VDDA/VSSA pins for analog supply and separate VDDPLL/VSSPLL rails for PLL stability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit address space and HC12 instruction compatibility |
| Flash Memory | 128 KB on-chip Flash with 2-bit backdoor security and row programming capability |
| RAM Size | 8 KB on-chip RAM, mapped in linear memory space for deterministic access |
| Max Bus Frequency | 25 MHz - determines maximum instruction throughput and peripheral timing margins |
| I/O Voltage | 5V-tolerant digital I/O - enables direct interfacing with legacy automotive sensors and actuators |
| CAN Interface | One MSCAN 2.0B module with three message buffers and programmable bit timing registers |
| ADC Resolution | 10-bit ATD converter with 16-channel multiplexed inputs and ±1 µA input leakage current |
| Package Type | 80-pin LQFP (lead-free, RoHS-compliant PVE variant), 12 × 12 mm body, 0.5 mm pitch |
Pinout & Package
MC9S12DG128CPVER is housed in an 80-pin Low-Profile Quad Flat Package (LQFP) with exposed thermal pad, designated as PVE (lead-free) per Freescale orderable part numbering. Pin assignments match the 80QFP derivative layout shown in Figure 2-2 of the Device User Guide (V02.17).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PT[7:0] | Port T I/O / IOC[7:0] | 8-bit general-purpose I/O port with interrupt-on-change capability for wake-up and sensor polling |
| PJ7 / TXCAN0 | CAN0 Transmit Output | Dedicated CAN0 high-speed differential transmitter output, requires external transceiver |
| PJ6 / RXCAN0 | CAN0 Receive Input | CAN0 differential receiver input, referenced to common-mode voltage range of external transceiver |
| PE7 / XCLKS | External Clock Select / System Clock Source | Selects oscillator mode (Colpitts/Pierce) or external clock input; critical for CRG initialization |
| VDDA / VSSA | Analog Power / Ground | Isolated analog supply domain for ATD reference and ADC operation; must be filtered independently |
| BKGD | Background Debug Serial Interface | Single-wire BDM interface for flash programming, debugging, and secure unsecuring via BDM pod |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Voltage Regulator (VREG) | Generates internal 2.5V core supply from 5V VDD; eliminates need for external regulator in cost-sensitive designs |
| MSCAN Module | Full CAN 2.0B compliance with automatic retransmission, error confinement, and three independent message buffers |
| Background Debug (BDM) | Single-pin serial interface enabling non-intrusive flash erase/program, real-time register inspection, and breakpoint control |
| Security Logic | Flash protection via 2-bit backdoor key; prevents unauthorized read-out while allowing field firmware updates via BDM |
| Low-Power Modes | Stop, Wait, and Pseudo-Stop modes reduce current draw to ≤10 µA (Stop) for battery-powered automotive modules |
| ATD Converter | 16-channel 10-bit ADC with software-selectable sample time, conversion trigger sources, and result alignment options |
Applications
| Body Control Module (BCM) | Engine Control Unit (ECU) Subsystem |
|---|---|
Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: Main system controller executing real-time state machines and coordinating CAN messages with gateway and sensor nodes. Use Value: Integrated CAN0 and 5V I/O eliminate level-shifting components; 128 KB Flash accommodates multi-feature firmware with diagnostic and calibration support. | Use Scenario: Secondary control node for throttle actuation, fuel pump monitoring, or emissions diagnostics in distributed engine management systems. IC Role / Device Role / Timing Role: Deterministic peripheral controller handling PWM-driven actuators and ATD-sampled sensor feedback with sub-100 µs latency. Use Value: HCS12 core delivers predictable interrupt response; MSCAN ensures reliable communication with primary ECU over shared CAN bus. |
| Instrument Cluster Display Controller | Aftermarket Telematics Gateway |
Use Scenario: Driving analog gauges and LCD displays using PWM outputs and SPI-connected display drivers. IC Role / Device Role / Timing Role: Real-time display refresh controller with synchronized PWM dimming and CAN message parsing for vehicle speed/RPM data. Use Value: 8-channel PWM provides independent brightness control for multiple LEDs; 10-bit ATD monitors panel temperature and supply voltage. | Use Scenario: Protocol translation between CAN bus and UART-based GPS/GSM modules in fleet tracking devices. IC Role / Device Role / Timing Role: Bridge processor managing CAN frame reception, data filtering, and serial forwarding with configurable baud rates. Use Value: Dual SCI interfaces (SCI0/SCI1) enable simultaneous GPS NMEA and GSM AT command handling; Flash security protects firmware IP. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12DJ128CPVE | Same HCS12 core and memory size, but adds J1850 BDLC interface and removes Byteflight support | Preferred for North American automotive diagnostics (SAE J1850 VPW) instead of CAN-only networks | Select when J1850 protocol support is required; otherwise, MC9S12DG128CPVER offers better CAN feature depth |
| S912XDP512J0VLH | Enhanced S12X core, 512 KB Flash, dual CAN channels, and higher max bus frequency (50 MHz) | Supports complex gateways requiring multiple CAN domains and larger firmware images | Choose for scalability beyond 128 KB Flash or dual-CAN topology; not drop-in compatible due to pin count and voltage requirements |
Compared with MC9S12DG128CPVER, MC9S12DJ128CPVE trades CAN flexibility for J1850 diagnostics capability, while S912XDP512J0VLH delivers significantly higher performance and memory at the cost of increased power, PCB area, and toolchain complexity.
Availability
MC9S12DG128CPVER is available at Aetrix Electronics and suitable for automotive body electronics, engine subsystems, and instrument cluster designs requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified silicon.
Supply support for MC9S12DG128CPVER 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The MC9S12DG128CPVER belongs to the HCS12 family, designed specifically for cost-sensitive, real-time automotive control applications where reliability, CAN integration, and 5V robustness are essential.
FAQ
What is the maximum operating frequency of the MC9S12DG128CPVER?
The MC9S12DG128CPVER supports a maximum bus clock frequency of 25 MHz, derived from its internal PLL operating up to 50 MHz. This frequency is achieved using a 4–8 MHz crystal input with appropriate PLL divider/multiplier settings, and it defines the timing budget for all on-chip peripherals including CAN, ATD, and PWM modules.
Does the MC9S12DG128CPVER support CAN FD or only classical CAN?
The MC9S12DG128CPVER supports only classical CAN 2.0B (ISO 11898-1) via its MSCAN module and does not implement CAN FD features such as flexible data-rate, extended payload, or CRC enhancements. Its CAN controller is limited to 1 Mbit/s nominal rate and 8-byte payloads per frame.
How is flash memory secured on the MC9S12DG128CPVER?
Flash security on the MC9S12DG128CPVER is implemented via a 2-bit backdoor key mechanism. When enabled, this prevents unauthorized read-out of Flash contents through BDM or other interfaces. Unsecuring requires successful transmission of the correct key sequence via BDM, after which full debug and programming access is restored.
What power supply configurations are required for the MC9S12DG128CPVER?
The MC9S12DG128CPVER requires four distinct supply domains: VDDX/VSSX for I/O drivers (5V), VDDR/VSSR for internal regulator input (5V), VDDA/VSSA for analog circuitry (5V), and VDDPLL/VSSPLL for PLL stability (5V). Each pair must be decoupled with low-ESR capacitors near respective pins to ensure noise immunity and startup reliability.
Is the MC9S12DG128CPVER pin-compatible with the MC9S12DT128?
No, the MC9S12DG128CPVER is not pin-compatible with the MC9S12DT128. While both belong to the HCS12 DT/DG/DJ family and share functional similarities, they differ in package (80-pin QFP vs. 112-pin LQFP), pin assignments (e.g., PJ7/PJ6 for CAN0 on DG128 vs. different mapping on DT128), and peripheral routing - requiring PCB redesign for substitution.
MC9S12DG128CPVER Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12DG128CPVER FAQ
1.How can I place an order for MC9S12DG128CPVER through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12DG128CPVER 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 MC9S12DG128CPVER reliable?
The price and inventory of MC9S12DG128CPVER are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12DG128CPVER is usually 5 days.
3.What payment methods are accepted for MC9S12DG128CPVER?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12DG128CPVER transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12DG128CPVER?
MC9S12DG128CPVER orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12DG128CPVER 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 MC9S12DG128CPVER?
For technical support, including MC9S12DG128CPVER datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12DG128CPVER requirements.
6.How does Aetrix verify that MC9S12DG128CPVER is sourced from the original manufacturer or authorized distributors?
All MC9S12DG128CPVER 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 MC9S12DG128CPVER meets industry standards.
7.What is the process for return or replacement of MC9S12DG128CPVER?
All MC9S12DG128CPVER units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12DG128CPVER, 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 MC9S12DG128CPVER part is unused and in its original packaging.
Return procedure for MC9S12DG128CPVER:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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