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NXP Semiconductors MC9S12C128VPBE
- Part No.:
- MC9S12C128VPBE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
MC9S12C128VPBE.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 52TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,645
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Product details
Overview
MC9S12C128VPBE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 128 KB on-chip Flash, 8 KB RAM, and integrated CAN 2.0A/B controller, PWM, ATD10B8C 10-bit ADC with 8 channels, and BDM debug interface. It operates at up to 25 MHz core frequency with internal PLL clock generation and supports automotive-grade temperature range (−40°C to +105°C) in a 112-pin LQFP package.
For engineers reviewing the MC9S12C128VPBE datasheet, MC9S12C128VPBE pinout, MC9S12C128VPBE application, or MC9S12C128VPBE equivalent, this device is selected for embedded control in engine management, body electronics, and industrial motor drives where deterministic real-time response, CAN bus integration, and flash-based field-upgradability are required.
Technical Context
The MC9S12C128VPBE implements the S12 CPU core with 16-bit data/24-bit address architecture, supporting byte- and word-aligned memory access. Its memory map includes paged Flash (128 KB), RAM (8 KB), and register space mapped across 64 KB linear address space using PPAGE and RPAGE registers.
It integrates multiple peripherals including a scalable MSCAN module with message buffers and acceptance filtering, an 8-channel 10-bit ATD converter with configurable sample-and-hold timing, and a 16-bit timer module (TIM16B8CV1) with input capture, output compare, and PWM generation capabilities.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 24-bit addressing; enables deterministic interrupt latency and efficient C code execution in resource-constrained automotive ECUs. |
| Flash Memory | 128 KB on-chip Flash (S12FTS128K1V1); supports in-circuit programming and EEPROM emulation via Flash block wear-leveling. |
| RAM | 8 KB on-chip RAM; provides fast scratchpad storage for real-time variables, stack, and ISR context preservation. |
| CAN Interface | Scalable Controller Area Network (S12MSCANV2) compliant with ISO 11898-1; supports 32 message buffers, programmable bit timing, and hardware acceptance filtering. |
| ADC | ATD10B8C: 10-bit resolution, 8-channel analog input, 8 µs conversion time; suitable for sensor signal acquisition (e.g., throttle position, coolant temperature). |
| Operating Temperature | −40°C to +105°C; qualified for under-hood automotive applications per AEC-Q100 Grade 2 requirements. |
| Package | 112-pin LQFP (VPBE suffix); 20 mm × 20 mm footprint with 0.65 mm pitch; supports standard reflow assembly and thermal dissipation in compact ECU designs. |
Pinout & Package
MC9S12C128VPBE is housed in a 112-pin Low-Profile Quad Flat Package (LQFP) with exposed thermal pad, designed for surface-mount assembly and thermal management in automotive control modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 5 V supply domains (VDD1/VDD2) with separate analog/digital grounds (VSS1/VSS2) minimize noise coupling in mixed-signal operation. |
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU registers and initializes peripheral modules; compatible with external watchdog or power monitor ICs. |
| BKGD | Background Debug pin | Single-wire BDM interface for non-intrusive debugging, flash programming, and real-time variable inspection without halting CPU execution. |
| CANH / CANL | CAN differential bus lines | Direct connection to ISO 11898-compliant transceiver; supports 1 Mbps CAN FD-ready physical layer signaling with common-mode rejection. |
| PORT A–P pins | General-purpose I/O | Configurable as digital inputs/outputs, interrupt sources, or peripheral multiplexed functions (e.g., PWM, SCI, SPI); supports pull-up/pull-down and slew-rate control. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with EEPROM emulation | Enables firmware updates and parameter storage without external non-volatile memory, reducing BOM cost and board space. |
| Integrated MSCAN controller | Eliminates need for discrete CAN protocol ICs; reduces system latency and simplifies ECU communication stack implementation. |
| Background Debug Module (BDM) | Supports full-speed debugging, flash erase/program, and memory inspection via single-pin interface-no JTAG header required. |
| Programmable PLL clock generator | Derives 25 MHz core clock from 4–8 MHz crystal or ceramic resonator; allows flexible clock tree design without external clock ICs. |
| Low-power STOP/WAIT modes | Reduces current consumption to <10 µA in STOP mode; extends battery life in always-on vehicle modules like door controllers. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor signals in gasoline engine management systems. IC Role / Device Role / Timing Role: Primary controller executing fuel injection and spark timing algorithms with sub-millisecond jitter tolerance. Use Value: Integrated 10-bit ADC and CAN interface enable direct sensor interfacing and vehicle network communication without external signal conditioning or protocol translation. |
Use Scenario: Centralized control of lighting, window lift, mirror adjustment, and door lock functions in modern passenger vehicles. IC Role / Device Role / Timing Role: System coordinator managing distributed LIN/CAN nodes and executing state-machine logic for user inputs and safety interlocks. Use Value: 112-pin LQFP package provides sufficient I/O for multi-function actuator drivers while maintaining AEC-Q100 qualification for under-dash environments. |
| Industrial Motor Drive | Off-Road Vehicle Telematics |
Use Scenario: Closed-loop speed and torque control of 3-phase BLDC motors in agricultural and construction equipment. IC Role / Device Role / Timing Role: Real-time motion controller generating complementary PWM outputs with dead-time insertion and fault monitoring. Use Value: On-chip PWM8B6CV1 module delivers six independent PWM channels with synchronized triggers-reducing external gate driver complexity. |
Use Scenario: Data aggregation and wireless transmission of GPS, engine diagnostics, and payload status from heavy machinery to fleet management servers. IC Role / Device Role / Timing Role: Edge node processor handling CAN bus parsing, data formatting, and UART-to-Bluetooth/Wi-Fi bridging. Use Value: BDM debug interface and Flash memory support over-the-air firmware updates and field diagnostics without hardware rework. |
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, 512 KB Flash, 32 KB RAM, dual CAN, higher operating frequency (50 MHz). | Targeted at more complex real-time tasks requiring parallel processing (e.g., advanced motor control, multi-sensor fusion). | Select when needing >128 KB Flash, dual CAN, or offloading time-critical ISR tasks from main CPU. |
| S912XEQ512J2 | NXP's pin-compatible successor with enhanced debug, improved Flash endurance, and extended temperature range (−40°C to +125°C). | Designed for next-generation automotive platforms requiring longer product lifecycle and higher reliability margins. | Choose for new designs requiring long-term supply assurance and compatibility with modern toolchains (S32DS). |
Compared with MC9S12C128VPBE, the MC9S12XDP512 offers significantly higher memory and processing headroom for feature-rich ECUs, while the S912XEQ512J2 provides backward-compatible upgrade path with improved robustness and toolchain support-neither is pin-compatible, but both share architectural continuity for software migration.
Availability
MC9S12C128VPBE is available at Aetrix Electronics and suitable for engine control units, body electronics modules, and industrial motor drives requiring stable component supply across extended production lifecycles.
Supply support for MC9S12C128VPBE 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 focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in microcontrollers and automotive electronics.
The MC9S12C128VPBE belongs to the legacy HCS12 family, engineered specifically for cost-sensitive, high-reliability automotive control applications where deterministic real-time performance and CAN integration are essential.
FAQ
What is the maximum operating frequency of the MC9S12C128VPBE?
The MC9S12C128VPBE achieves a maximum core clock frequency of 25 MHz using its internal PLL, which can be configured to multiply an external 4–8 MHz crystal or resonator input. This frequency enables real-time execution of automotive control algorithms with predictable interrupt latency and cycle-accurate timing for PWM and CAN operations within the MC9S12C128VPBE architecture.
Does the MC9S12C128VPBE support in-system programming (ISP)?
Yes, the MC9S12C128VPBE supports in-system programming via its Background Debug Module (BDM) interface using standard Freescale/NXP BDM tools. The on-chip 128 KB Flash memory can be erased and reprogrammed without removing the device from the PCB, enabling field firmware updates and calibration adjustments directly through the BKGD pin on the MC9S12C128VPBE.
What is the role of the PPAGE register in the MC9S12C128VPBE memory architecture?
The PPAGE register in the MC9S12C128VPBE selects the current 64 KB page for program memory access, enabling the 16-bit CPU to address its full 128 KB Flash space using banked addressing. This paging mechanism allows efficient code placement and modular firmware design while maintaining compatibility with standard S12 toolchains and the MC9S12C128VPBE's memory map specification.
Can the MC9S12C128VPBE operate without an external crystal?
Yes, the MC9S12C128VPBE can operate using its internal RC oscillator in self-clock mode, though this limits accuracy and stability. For production automotive applications, an external 4–8 MHz crystal is required to drive the PLL for precise 25 MHz core clock generation-this configuration is mandatory to meet timing specifications for CAN, ADC, and PWM peripherals in the MC9S12C128VPBE.
How many CAN message buffers does the MC9S12C128VPBE support?
The MC9S12C128VPBE integrates the S12MSCANV2 module with 32 individually configurable message buffers, supporting both transmit and receive operations with hardware acceptance filtering and priority arbitration. This buffer count enables robust handling of multiple concurrent CAN identifiers and data rates up to 1 Mbps in automotive networks using the MC9S12C128VPBE.
MC9S12C128VPBE 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:
- CANbus, 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:
MC9S12C128VPBE FAQ
1.How can I place an order for MC9S12C128VPBE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12C128VPBE 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 MC9S12C128VPBE reliable?
The price and inventory of MC9S12C128VPBE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12C128VPBE is usually 5 days.
3.What payment methods are accepted for MC9S12C128VPBE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12C128VPBE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12C128VPBE?
MC9S12C128VPBE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12C128VPBE 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 MC9S12C128VPBE?
For technical support, including MC9S12C128VPBE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12C128VPBE requirements.
6.How does Aetrix verify that MC9S12C128VPBE is sourced from the original manufacturer or authorized distributors?
All MC9S12C128VPBE 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 MC9S12C128VPBE meets industry standards.
7.What is the process for return or replacement of MC9S12C128VPBE?
All MC9S12C128VPBE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12C128VPBE, 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 MC9S12C128VPBE part is unused and in its original packaging.
Return procedure for MC9S12C128VPBE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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