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NXP Semiconductors MC9S12H256VPVE
- Part No.:
- MC9S12H256VPVE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12H256VPVE.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,065
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Product details
Overview
MC9S12H256VPVE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller with 256 KB on-chip Flash EEPROM, 12 KB RAM, and integrated CAN 2.0B controllers, PWM motor control, LCD driver, and 10-bit ATD converter. It operates at up to 50 MHz bus speed, supports external memory expansion via multiplexed 16-bit address/data bus, and targets automotive body electronics and industrial motor control systems.
For engineers reviewing the MC9S12H256VPVE datasheet, MC9S12H256VPVE pinout, MC9S12H256VPVE application, or MC9S12H256VPVE equivalent, key selection considerations include its dual MSCAN interface, 32-segment LCD driver capability, 8-channel PWM with dead-time insertion, 16-channel 10-bit ADC with configurable sample time, and background debug mode via BKGD pin.
Technical Context
The MC9S12H256VPVE implements the HCS12 CPU core with 16-bit data path, von Neumann architecture, and 24-bit addressing. Its Clock and Reset Generator (CRG) supports crystal oscillator input (1–8 MHz), PLL multiplication (up to 50 MHz bus clock), and multiple low-power modes including Stop and Wait.
Peripheral integration includes two independent MSCAN modules compliant with ISO 11898-1, a 16-channel 10-bit ATD with programmable conversion sequence and scan modes, and a dedicated PWM Motor Control (MC) block supporting six full-bridge outputs with synchronous modulation and fault protection logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit address space and 16 MB linear memory map |
| Flash Memory | 256 KB on-chip Flash EEPROM with 100K write/erase cycles and 10-year data retention |
| RAM Size | 12 KB on-chip SRAM with data retention in low-power modes |
| Bus Speed | Up to 50 MHz system bus clock derived from PLL with ±1% accuracy over temperature |
| ADC Resolution | 10-bit successive approximation ATD with 16 input channels and 8 µs max conversion time per channel |
| CAN Interfaces | Dual independent MSCAN modules supporting CAN 2.0B protocol with message objects and hardware filtering |
| PWM Channels | 8-channel PWM subsystem with center-aligned and edge-aligned modes, programmable dead-time, and fault shutdown |
| LCD Driver | 32-segment × 4-common LCD controller with internal charge pump and contrast control |
Pinout & Package
This device is housed in a 112-pin LQFP package (case no. 987) with 0.4 mm lead pitch, exposed thermal pad, and RoHS-compliant finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous reset signal with internal pull-up; initiates cold start or recovery from failure |
| BKGD | Background debug pin | Single-wire BDM interface for non-intrusive debugging, flash programming, and real-time register access |
| EXTAL / XTAL | Oscillator input/output | Connects to external crystal or ceramic resonator (1–8 MHz); drives internal oscillator circuitry |
| XCLKS | External clock select | Configures CRG to use external clock source instead of crystal; enables bypass mode for precision timing |
| PM2 / RXCAN0 PM3 / TXCAN0 PM4 / RXCAN1 PM5 / TXCAN1 | CAN transceiver I/O | Dedicated pins for two independent CAN physical layers; require external transceivers for bus connection |
| PS0–PS7 | SCI/SPI serial interface | Configurable as SCI0/SCI1 (UART) or SPI master/slave; supports full-duplex communication at up to 1 Mbps |
| PP0–PP5 | PWM output channels | Drive external gate drivers or power stages; support complementary outputs with programmable dead-time insertion |
| PA0–PA7 / PB0–PB7 | Multiplexed address/data bus | Form 16-bit external bus interface (AD15:0) for connecting external memory or peripherals in expanded mode |
Key Features
| Feature | Design Value |
|---|---|
| Dual MSCAN Controllers | Enables redundant or multi-bus automotive networks with independent message buffers and hardware ID filtering |
| Integrated LCD Driver | Drives up to 128 segments without external bias circuitry; reduces BOM cost and PCB area in instrument cluster designs |
| Motor Control PWM Block | Provides six full-bridge gate drive signals with synchronized modulation, current sensing inputs, and hardware fault shutdown |
| Background Debug Mode (BDM) | Allows live debugging, flash reprogramming, and register inspection without halting real-time operation or requiring JTAG |
| On-chip Voltage Regulator | Generates stable 2.5 V internal supply for analog blocks (ATD, VREF) from 5 V rail; improves noise immunity and simplifies power design |
| Security Lock Feature | Prevents unauthorized read-out of Flash contents via BDM or external bus; protects firmware IP in production units |
Applications
| Automotive Body Control Module | Industrial HVAC Motor Controller |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and climate functions in passenger vehicles. IC Role / Device Role / Timing Role: Main system MCU coordinating CAN messaging between submodules and executing real-time actuator control loops. Use Value: Dual MSCAN interfaces enable simultaneous communication with powertrain and infotainment networks while maintaining deterministic response under bus load. | Use Scenario: Variable-speed blower and compressor control in commercial HVAC systems with thermal protection and energy optimization. IC Role / Device Role / Timing Role: Motor control MCU managing PWM generation, current feedback sampling, and fault detection for three-phase inverter stages. Use Value: Integrated 8-channel PWM with dead-time control and synchronous update eliminates need for external gate driver logic and reduces timing skew. |
| Tractor Instrument Cluster | Medical Infusion Pump Controller |
Use Scenario: Displaying engine parameters, hydraulic pressure, and GPS-guided steering data on segmented LCD panels in agricultural machinery. IC Role / Device Role / Timing Role: Primary display controller with integrated LCD driver and CAN-based sensor data acquisition. Use Value: On-chip 32×4 LCD driver supports direct connection to multiplexed displays without external bias ICs or external capacitors. | Use Scenario: Precision fluid delivery control requiring motor sequencing, pressure monitoring, and alarm handling in Class II medical devices. IC Role / Device Role / Timing Role: Safety-critical controller managing stepper/servo motor motion, ATD-based pressure transducer readings, and user interface events. Use Value: Hardware security lock prevents firmware tampering; 10-bit ATD with programmable sample time ensures accurate analog measurement across varying sensor impedances. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XDP512 | Enhanced XGATE co-processor, larger Flash (512 KB), higher bus speed (80 MHz), additional CAN and LIN modules | Targeted at more complex automotive gateway or ADAS-adjacent applications requiring parallel processing | Select when needing real-time offload of communication stacks or increased code space for OTA updates |
| S912ZVMC25F0MLFR | ZVM family with S12Z core, integrated LINPHY, enhanced ESD robustness (±8 kV HBM), smaller 64-pin QFP option | Optimized for cost-sensitive, space-constrained motor control nodes with LIN diagnostics | Choose for new designs prioritizing footprint reduction, LIN compliance, and automotive AEC-Q100 Grade 1 qualification |
Compared with MC9S12H256VPVE, the MC9S12XDP512 offers greater compute headroom and peripheral density for scalable platforms, while the S912ZVMC25F0MLFR provides modern automotive qualification and smaller packaging at the expense of legacy peripheral compatibility and Flash size.
Availability
MC9S12H256VPVE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, instrumentation clusters, and medical infusion pump designs requiring stable component supply and long-term lifecycle support.
Supply support for MC9S12H256VPVE 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The MC9S12H256VPVE belongs to the legacy HCS12 microcontroller family designed specifically for cost-effective, high-reliability automotive body electronics and industrial control where deterministic real-time performance and CAN integration are essential.
FAQ
What is the maximum operating frequency of the MC9S12H256VPVE?
The MC9S12H256VPVE achieves a maximum bus clock frequency of 50 MHz using its internal Phase-Locked Loop (PLL), which multiplies an external crystal input (1–8 MHz). This frequency governs instruction execution, peripheral timing, and external bus operations. The core runs at bus clock speed, delivering up to 25 million instructions per second (MIPS) under typical conditions.
Does the MC9S12H256VPVE support in-circuit debugging?
Yes, the MC9S12H256VPVE supports Background Debug Mode (BDM) via the BKGD pin, enabling non-intrusive in-circuit debugging, flash programming, and real-time register inspection without halting program execution. It requires a compatible BDM interface tool and does not support JTAG or SWD protocols.
How many CAN controllers are integrated into the MC9S12H256VPVE?
The MC9S12H256VPVE integrates two independent MSCAN 2.0B controllers (MSCAN0 and MSCAN1), each with its own set of message buffers, acceptance filters, and interrupt vectors. They operate concurrently and can be configured for different bit rates and message priorities, supporting multi-network automotive architectures.
What type of LCD interface does the MC9S12H256VPVE provide?
The MC9S12H256VPVE includes a dedicated LCD_32F4B driver supporting up to 32 segments and 4 commons (128 segments total), with internal charge pump, programmable contrast, and static/dynamic drive modes. It requires no external bias components and is optimized for automotive instrument clusters and industrial panel meters.
Is the MC9S12H256VPVE pin-compatible with other HCS12 devices?
No, the MC9S12H256VPVE is not universally pin-compatible with other HCS12 devices. While it shares the 112-pin LQFP footprint with MC9S12H128, differences in peripheral mapping (e.g., dual CAN vs single CAN, LCD pin assignments) and power pin distribution mean PCB layout must be verified per device. Migration requires schematic and layout review.
MC9S12H256VPVE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- LCD, POR, PWM, WDT
- Number of I/O:
- 85
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 12K 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:
MC9S12H256VPVE FAQ
1.How can I place an order for MC9S12H256VPVE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12H256VPVE 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 MC9S12H256VPVE reliable?
The price and inventory of MC9S12H256VPVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12H256VPVE is usually 5 days.
3.What payment methods are accepted for MC9S12H256VPVE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12H256VPVE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12H256VPVE?
MC9S12H256VPVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12H256VPVE 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 MC9S12H256VPVE?
For technical support, including MC9S12H256VPVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12H256VPVE requirements.
6.How does Aetrix verify that MC9S12H256VPVE is sourced from the original manufacturer or authorized distributors?
All MC9S12H256VPVE 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 MC9S12H256VPVE meets industry standards.
7.What is the process for return or replacement of MC9S12H256VPVE?
All MC9S12H256VPVE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12H256VPVE, 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 MC9S12H256VPVE part is unused and in its original packaging.
Return procedure for MC9S12H256VPVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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