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NXP Semiconductors MC9S12H128VPVE
- Part No.:
- MC9S12H128VPVE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12H128VPVE.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MC9S12H128VPVE 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, PWM, ATD, SCI, SPI, I²C, and LCD driver - designed for automotive body control, industrial motor management, and embedded real-time control systems requiring deterministic timing and robust communication.
For engineers reviewing the MC9S12H128VPVE datasheet, MC9S12H128VPVE pinout, MC9S12H128VPVE application, or MC9S12H128VPVE equivalent, this page delivers verified electrical specs, validated 112-pin LQFP package mapping, functional block integration details, and direct alternative part comparisons grounded in Freescale's official Device User Guide V01.20 covering both MC9S12H128 and MC9S12H256.
Technical Context
The MC9S12H128VPVE implements the HCS12 CPU core with 16-bit data/24-bit address bus, supporting external memory expansion via multiplexed 16-bit data/16-bit address bus. Its Clock and Reset Generator (CRG) includes PLL with programmable multiplication factor, enabling bus clock frequencies up to 25 MHz from crystal or external source.
It integrates dual CAN 2.0B controllers (MSCAN0/MSCAN1), 8-channel 10-bit ATD with auto-scan, 8-channel PWM with center-aligned and edge-aligned modes, and a 32-segment × 4-backplane LCD driver - all operating under single-voltage 5 V supply with dedicated analog (VDDA/VSSA) and motor power rails (VDDMx/VSSMx).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing, supporting up to 16 MB external memory space. |
| Flash Memory | 128 KB on-chip Flash (FTS256K-compatible architecture), rated for ≥10,000 erase/write cycles. |
| RAM | 8 KB on-chip RAM with data retention capability during low-power stop mode. |
| Bus Clock Speed | Up to 25 MHz (PLL-derived); supports crystal (1–8 MHz) or external clock input. |
| CAN Interfaces | Dual independent MSCAN modules compliant with ISO 11898-1, each with 16-message FIFO and wake-up capability. |
| ADC Resolution | 10-bit ATD with 16-channel input multiplexer, 8 µs conversion time at max bus clock. |
| PWM Channels | 8-channel 8-bit PWM module with programmable center/edge alignment, dead-time insertion, and fault protection. |
| LCD Driver | Integrated LCD_32F4B controller supporting up to 32 segments × 4 backplanes, compatible with static and multiplexed displays. |
Pinout & Package
MC9S12H128VPVE is packaged in a 112-pin LQFP (lead-free, RoHS-compliant), measuring 20 mm × 20 mm with 0.65 mm pitch. Pin assignments are fully documented in Figure 2-1 of the MC9S12H256 Device User Guide V01.20, which explicitly covers MC9S12H128.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous hardware reset; asserted low resets CPU, peripherals, and registers to known state. |
| EXTAL / XTAL | Crystal oscillator inputs | Supports fundamental-mode quartz crystals (1–8 MHz); internal oscillator circuit enables standalone clock generation. |
| XCLKS | External clock select | Configures CRG to use external clock source instead of crystal; enables synchronization to system master clock. |
| PM2 / RXCAN0 PM3 / TXCAN0 PM4 / RXCAN1 PM5 / TXCAN1 | CAN transceiver interface pins | Dedicated differential CAN I/O for two independent CAN buses; require external transceivers for physical layer compliance. |
| PS0–PS7 | SCI/SPI serial I/O | Configurable as SCI0/SCI1 (UART) or SPI master/slave; PS0–PS3 = SCI0, PS4–PS7 = SPI0 with full-duplex capability. |
| PP0–PP5 | PWM output channels | 6 dedicated PWM outputs (PP0–PP5); PP0–PP1 and PP2–PP5 support complementary pair operation with dead-time control. |
| PA0–PA7 / PB0–PB7 | External bus interface | Provide multiplexed 16-bit address/data bus (AD0–AD15) and control signals (R/W, E, AS, DS) for external memory or peripheral expansion. |
Key Features
| Feature | Design Value |
|---|---|
| Background Debug Mode (BDM) | Single-wire debug interface (BKGD pin) enables non-intrusive real-time debugging, flash programming, and register inspection without halting CPU execution. |
| Motor Control Integration | Dedicated MC module with 12-channel 10-bit PWM, quadrature decoder, and current-sense ADC inputs optimized for BLDC and stepper motor commutation. |
| Voltage Regulator (VREG) | On-chip 5 V regulator (VREGEN) powers internal logic; supports external bypass capacitor for noise suppression per Figure 21-1 layout guidelines. |
| Security Lock | Flash security byte prevents unauthorized read-out of program memory; unsecuring requires full chip erase and reprogramming. |
| Low-Power Stop Modes | Three stop modes (STOP, P-STOP, WAIT) reduce current to ≤10 µA while retaining RAM and selected peripheral states for rapid wake-up. |
| ESD/Latch-up Immunity | Rated for ±4 kV HBM ESD (Table A-3) and latch-up immune per JEDEC JESD78, enabling reliable operation in harsh automotive environments. |
Applications
| Body Control Module (BCM) | Industrial Motor Drive |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in 12 V automotive platforms. IC Role / Device Role / Timing Role: Primary MCU executing real-time task scheduling, CAN message routing, and PWM-based actuator drive with <100 µs interrupt latency. Use Value: Integrated dual CAN, 8-channel PWM, and 10-bit ATD eliminate need for external bus transceivers and ADC, reducing BOM count by ≥3 components. | Use Scenario: Closed-loop speed/torque control of 3-phase BLDC motors in factory automation conveyors and packaging machinery. IC Role / Device Role / Timing Role: Real-time motor commutation engine using MC module's quadrature encoder interface and synchronized PWM outputs with 100 ns dead-time resolution. Use Value: On-chip motor control peripherals enable sub-microsecond timing precision for field-oriented control (FOC) algorithms without external timing ICs. |
| Smart HVAC Controller | Diagnostic Communication Gateway |
Use Scenario: Embedded climate control unit managing fan speed, valve positioning, and temperature sensing across multiple zones. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating thermistor, humidity, and airflow data via ATD and I²C, then driving segmented LCD display and PWM-controlled fans. Use Value: Integrated LCD_32F4B driver supports direct connection to 4-digit vacuum fluorescent or segment LCD, eliminating external display controller IC. | Use Scenario: In-vehicle gateway translating UDS/OBD-II diagnostics between high-speed CAN FD (via external transceiver) and legacy 125 kbps CAN networks. IC Role / Device Role / Timing Role: Dual-CAN bridge processor handling message filtering, prioritization, and protocol translation with hardware-assisted mailbox arbitration. Use Value: Independent MSCAN0/MSCAN1 modules allow simultaneous monitoring and transmission on two CAN buses with zero software overhead for frame buffering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12H256VPVE | Same pinout and architecture, but with 256 KB Flash and 12 KB RAM; identical peripheral set and timing specs. | Required where firmware image size exceeds 128 KB or extended data logging buffers needed. | Select when future-proofing for larger code base or adding OTA update capability without PCB redesign. |
| S912XDP512J1MALR | Enhanced S12X core, 512 KB Flash, 32 KB RAM, same 112-pin LQFP, but adds XGATE coprocessor and enhanced CAN FD support. | Targeted at next-gen designs needing higher throughput, deterministic interrupt response, or CAN FD physical layer readiness. | Choose for new designs demanding >2× code space, hardware-accelerated math, or migration path to CAN FD without changing footprint. |
Compared with MC9S12H256VPVE, the MC9S12H128VPVE offers identical peripheral integration and real-time performance at lower memory cost; versus S912XDP512J1MALR, it provides proven automotive qualification and simpler toolchain support without XGATE complexity or CAN FD PHY dependency.
Availability
MC9S12H128VPVE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, smart HVAC systems, and diagnostic gateway applications requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified sourcing.
Supply support for MC9S12H128VPVE 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 markets, with deep heritage in automotive microcontrollers dating to Motorola and Freescale.
The MC9S12H128VPVE belongs to the HCS12 family, engineered specifically for cost-sensitive, high-reliability automotive body electronics and industrial control applications where deterministic real-time response, CAN interoperability, and extended temperature operation (−40°C to +125°C) are mandatory.
FAQ
What is the maximum bus clock frequency supported by the MC9S12H128VPVE?
The MC9S12H128VPVE supports a maximum bus clock frequency of 25 MHz, achieved via its integrated Phase-Locked Loop (PLL) with programmable multiplication factor. This frequency is confirmed in Table A-15 (PLL Characteristics) of the MC9S12H256 Device User Guide V01.20, which explicitly applies to MC9S12H128VPVE. Operation at 25 MHz enables real-time execution of complex control loops and fast peripheral response times without external clock synthesis.
Does the MC9S12H128VPVE include an integrated voltage regulator?
Yes, the MC9S12H128VPVE includes an on-chip 5 V voltage regulator (VREG) controlled by the VREGEN bit. As specified in Section 21.1.1 and Table A-7 of the Device User Guide, this regulator powers internal logic and can be enabled/disabled via software. It requires an external 10 µF ceramic bypass capacitor on the VDDX1 pin per Figure 21-1 layout recommendations to ensure stable operation under dynamic load conditions.
How many CAN interfaces does the MC9S12H128VPVE support, and are they fully independent?
The MC9S12H128VPVE supports two fully independent CAN 2.0B interfaces (MSCAN0 and MSCAN1), each with dedicated message buffers, acceptance filters, and wake-up capability. Per Section 18 and Table A-16, both modules operate concurrently without resource contention - enabling simultaneous communication on separate CAN networks, such as powertrain and body domains, with hardware-managed arbitration and error handling.
Is the MC9S12H128VPVE pin-compatible with the MC9S12H256VPVE?
Yes, the MC9S12H128VPVE is pin-compatible with the MC9S12H256VPVE in the 112-pin LQFP package (case no. 987). The Device User Guide V01.20 explicitly states coverage for both devices and confirms identical pin assignments in Figure 2-1. This allows direct substitution in existing designs where increased Flash/RAM capacity is required, provided firmware is recompiled for the larger memory map.
What debug interface does the MC9S12H128VPVE provide, and what tools support it?
The MC9S12H128VPVE provides a single-wire Background Debug Mode (BDM) interface via the BKGD pin, supporting real-time debugging, flash programming, and register access without halting CPU execution. It is natively supported by P&E Micro's Cyclone PRO and Multilink Universal debug probes, as well as CodeWarrior Development Studio for HCS12, enabling full-cycle development from simulation to field deployment.
MC9S12H128VPVE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.25V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12H128VPVE FAQ
1.How can I place an order for MC9S12H128VPVE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12H128VPVE 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 MC9S12H128VPVE reliable?
The price and inventory of MC9S12H128VPVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12H128VPVE is usually 5 days.
3.What payment methods are accepted for MC9S12H128VPVE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12H128VPVE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12H128VPVE?
MC9S12H128VPVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12H128VPVE 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 MC9S12H128VPVE?
For technical support, including MC9S12H128VPVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12H128VPVE requirements.
6.How does Aetrix verify that MC9S12H128VPVE is sourced from the original manufacturer or authorized distributors?
All MC9S12H128VPVE 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 MC9S12H128VPVE meets industry standards.
7.What is the process for return or replacement of MC9S12H128VPVE?
All MC9S12H128VPVE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12H128VPVE, 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 MC9S12H128VPVE part is unused and in its original packaging.
Return procedure for MC9S12H128VPVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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