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NXP Semiconductors MC9S12GC128VPBE
- Part No.:
- MC9S12GC128VPBE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
MC9S12GC128VPBE.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 52TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,214
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Product details
Overview
MC9S12GC128VPBE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 128 KB on-chip Flash, 8 KB RAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz core frequency with 5V tolerant I/O, internal voltage regulator (3.3V), and hardware BDM debug interface. Designed for automotive body electronics and industrial control, it supports real-time deterministic execution in harsh EMI environments.
For engineers reviewing the MC9S12GC128VPBE datasheet, MC9S12GC128VPBE pinout, MC9S12GC128VPBE application, or MC9S12GC128VPBE equivalent, key selection criteria include its 112-pin LQFP package, 10-bit 8-channel ADC with 7 µs conversion time, dual CAN interface, and S12 CPU core with 16-level interrupt nesting - all critical for legacy automotive ECU migration and cost-sensitive embedded control.
Technical Context
The MC9S12GC128VPBE implements the S12 CPU core with Harvard architecture, 16-bit data path, and 24-bit address space. It integrates a scalable CAN controller (S12MSCANV2), 16-bit timer module (TIM16B8CV1), and background debug module (BDMV4) supporting single-wire serial communication via BKGD pin.
Memory subsystem includes 128 KB Flash (S12FTS128K1V1), 8 KB RAM, and 512 B EEPROM emulation. Clock generation uses an internal PLL (CRGV4) with external crystal or ceramic resonator input, supporting multiple low-power modes including WAIT and STOP with wake-up on CAN, timer, or external interrupt.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 24-bit addressing and 16-level interrupt priority |
| Flash Memory | 128 KB on-chip Flash with 10K erase/write cycles and 10-year data retention |
| RAM | 8 KB on-chip SRAM, battery-backed option available via external circuitry |
| CAN Interface | Dual S12MSCANV2 modules compliant with ISO 11898-1, supporting CAN 2.0B protocol |
| ADC | 10-bit ATD10B8C with 8 input channels, 7 µs conversion time, and configurable sample-and-hold |
| Package | 112-pin LQFP (20 × 20 mm, 0.65 mm pitch), RoHS-compliant, lead-free |
| Supply Voltage | 5.0 V ±10% operation with internal 3.3 V regulator (VREG3V3V2) for core and peripherals |
Pinout & Package
MC9S12GC128VPBE is housed in a 112-pin LQFP package (20 × 20 mm, 0.65 mm pitch) with exposed thermal pad. Pin assignments follow the MC9S12GC family standard layout, supporting multiplexed I/O, dedicated CAN transceiver pins, and BDM debug interface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Separate analog/digital domains (VDDA/VSSA, VDDD/VSSD) enable noise-isolated ADC operation |
| BKGD | Background Debug pin | Single-wire BDM interface for flash programming and real-time debugging without JTAG |
| CAN0_TX / CAN0_RX | CAN controller channel 0 differential pair | Direct connection to external CAN transceiver; supports high-speed (1 Mbps) and fault-tolerant modes |
| AD0–AD7 | Analog input channels | Multiplexed with Port AD pins; support 0–5 V input range with internal reference (VRH/VRL) |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; triggers power-on, low-voltage, and watchdog resets |
Key Features
| Feature | Design Value |
|---|---|
| Hardware BDM Debug | On-chip BDMV4 enables flash programming, breakpoint setting, and register inspection via single BKGD pin |
| Dual CAN 2.0B Controllers | Two independent S12MSCANV2 modules allow gateway or redundant bus architectures without external ICs |
| Integrated Voltage Regulator | VREG3V3V2 provides stable 3.3 V core supply from 5 V rail, eliminating need for external LDO in most designs |
| Low-Power Modes | STOP mode draws <10 µA; WAIT mode retains RAM and wakes on CAN message or timer event |
| Flash Security | Secure memory protection prevents unauthorized read-out of Flash contents via BDM or boot-mode access |
Applications
| Automotive Body Control Module (BCM) | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: Main system MCU coordinating CAN messages from sensors/actuators and executing safety-critical logic. Use Value: Dual CAN interfaces simplify multi-bus topology; 128 KB Flash accommodates ASAM-compliant diagnostics and calibration data. |
Use Scenario: Closed-loop speed/torque control of 3-phase BLDC motors in factory automation systems. IC Role / Device Role / Timing Role: Real-time motor commutation engine using PWM8B6CV1 outputs and ADC feedback sampling. Use Value: 16-bit TIM16B8CV1 supports precise 3-phase timing; 10-bit ADC enables accurate current sensing at 7 µs per sample. |
| Heavy-Duty Vehicle Gateway | Off-Road Equipment Telematics Unit |
Use Scenario: Protocol translation between J1939 (powertrain) and LIN (cab controls) networks in trucks and buses. IC Role / Device Role / Timing Role: CAN-to-CAN bridge with message filtering, prioritization, and store-and-forward logic. Use Value: Two independent CAN controllers eliminate external protocol ICs; Flash memory stores routing tables and firmware updates. |
Use Scenario: GPS-enabled remote monitoring of hydraulic pressure, temperature, and engine runtime in construction equipment. IC Role / Device Role / Timing Role: Data acquisition node interfacing analog sensors, CAN bus, and cellular modem via UART. Use Value: 8 KB RAM buffers sensor logs during network outages; BDM interface enables field firmware updates via service port. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100MAG | Enhanced S12X core, 1 MB Flash, 64 KB RAM, additional CAN and LIN modules | Targets next-generation ECUs requiring higher code density and mixed-protocol support | Select when migrating from MC9S12GC128VPBE to higher performance with pin-compatible footprint upgrade path |
| S912ZVMC12F0MLFR | Z-series S12Z core, 128 KB Flash, integrated LINPHY, enhanced COP watchdog, and improved EMC immunity | Designed for modern automotive applications requiring LIN compliance and AEC-Q100 Grade 1 qualification | Choose for new designs needing LIN physical layer integration and extended temperature operation (-40°C to 125°C) |
Compared with MC9S12GC128VPBE, MC9S12XEP100MAG offers scalability for complex firmware, while S912ZVMC12F0MLFR delivers automotive-grade robustness and protocol integration - both require PCB layout review due to differing pinouts and power delivery requirements.
Availability
MC9S12GC128VPBE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, heavy-duty vehicle gateways, and off-road telematics requiring stable component supply across long product lifecycles.
Supply support for MC9S12GC128VPBE 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 microcontroller innovation.
The MC9S12GC family was designed specifically for cost-optimized automotive body electronics and industrial control applications, emphasizing reliability, CAN integration, and long-term supply stability in harsh environments.
FAQ
What is the maximum operating frequency of the MC9S12GC128VPBE?
The MC9S12GC128VPBE supports a maximum core clock frequency of 25 MHz, achieved via its internal PLL (CRGV4) using an external crystal or ceramic resonator. This frequency enables deterministic real-time response for automotive control loops and industrial timing-critical tasks while maintaining compatibility with legacy 5 V logic interfaces.
Does the MC9S12GC128VPBE include an integrated voltage regulator?
Yes, the MC9S12GC128VPBE integrates the VREG3V3V2 dual-output voltage regulator, generating a stable 3.3 V supply for the core and peripherals from a 5 V input. This eliminates the need for an external LDO in most applications and simplifies power design for automotive and industrial systems operating from nominal 5 V rails.
How many CAN interfaces does the MC9S12GC128VPBE support?
The MC9S12GC128VPBE includes two independent S12MSCANV2 modules compliant with CAN 2.0B specification. Each supports bit rates up to 1 Mbps, message filtering, and full mailbox buffering - enabling dual-bus architectures such as powertrain + body networks or redundant communication paths in safety-critical systems.
What debug interface does the MC9S12GC128VPBE use?
The MC9S12GC128VPBE uses the Background Debug Module (BDMV4) accessed via the single BKGD pin. This interface supports flash programming, real-time register inspection, breakpoint insertion, and memory read/write operations without requiring JTAG hardware, reducing debug connector footprint and BOM cost.
Is the MC9S12GC128VPBE pin-compatible with other MC9S12GC family members?
Yes, the MC9S12GC128VPBE shares the same 112-pin LQFP package and pinout with other MC9S12GC variants (e.g., MC9S12GC64, MC9S12GC32), enabling hardware reuse across different Flash/RAM configurations. However, software initialization must account for differences in memory size and peripheral enablement registers.
MC9S12GC128VPBE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 52-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- EBI/EMI, SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 35
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12GC128VPBE FAQ
1.How can I place an order for MC9S12GC128VPBE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12GC128VPBE 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 MC9S12GC128VPBE reliable?
The price and inventory of MC9S12GC128VPBE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12GC128VPBE is usually 5 days.
3.What payment methods are accepted for MC9S12GC128VPBE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12GC128VPBE transactions.
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4.How is shipping managed for MC9S12GC128VPBE?
MC9S12GC128VPBE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12GC128VPBE 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 MC9S12GC128VPBE?
For technical support, including MC9S12GC128VPBE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12GC128VPBE requirements.
6.How does Aetrix verify that MC9S12GC128VPBE is sourced from the original manufacturer or authorized distributors?
All MC9S12GC128VPBE 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 MC9S12GC128VPBE meets industry standards.
7.What is the process for return or replacement of MC9S12GC128VPBE?
All MC9S12GC128VPBE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12GC128VPBE, 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 MC9S12GC128VPBE part is unused and in its original packaging.
Return procedure for MC9S12GC128VPBE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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