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NXP Semiconductors MC9S12C32VPBE16
- Part No.:
- MC9S12C32VPBE16
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
MC9S12C32VPBE16.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 52TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,268
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Product details
Overview
MC9S12C32VPBE16 from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 32 KB on-chip Flash, 2 KB RAM, and a 25 MHz bus speed. It integrates an 8-channel 10-bit ADC, dual CAN 2.0A/B controllers, PWM, SPI, SCI, and BDM debug interface. Designed for automotive body electronics and industrial control systems requiring deterministic real-time response.
For engineers reviewing the MC9S12C32VPBE16 datasheet, MC9S12C32VPBE16 pinout, MC9S12C32VPBE16 application, or MC9S12C32VPBE16 equivalent, this page delivers verified electrical specs, package mapping, functional module coverage (ATD10B8C, S12MSCANV2, TIM16B8CV1), and validated alternative options for migration or second-sourcing.
Technical Context
The MC9S12C32VPBE16 implements the S12 CPU core with 16-bit data path and 24-bit addressing, supporting up to 128 KB addressable memory space. Its clock system includes a PLL with configurable multiplication factor (e.g., 2×, 4×, 5×) enabling 25 MHz internal bus operation from a 4–8 MHz crystal.
Peripheral integration follows the HCS12 modular architecture: ATD10B8C provides 8 analog inputs with 10-bit resolution and 7 µs conversion time; S12MSCANV2 supports CAN 2.0A/B protocol with message buffering and error handling; PIM9C32 manages port I/O configuration including pull-up/pull-down and slew rate control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 24-bit address bus and 16 MB linear address space |
| Flash Memory | 32 KB on-chip Flash (S12FTS32KV1 module) with EEPROM emulation support |
| RAM | 2 KB on-chip RAM for variables, stack, and buffers |
| Max Bus Speed | 25 MHz - determines instruction throughput and peripheral timing margins |
| ADC Resolution | 10-bit ATD10B8C with 8 input channels and programmable sample-and-hold |
| CAN Controllers | Dual independent S12MSCANV2 modules compliant with ISO 11898-1 (CAN 2.0A/B) |
| Debug Interface | Background Debug Module (BDMV4) with single-wire BKGD pin and flash programming capability |
Pinout & Package
MC9S12C32VPBE16 is housed in a 112-pin LQFP (16 × 16 mm, 0.4 mm pitch) package per Appendix C of the MC9S12C Family Reference Manual Rev 01.24. Pin assignments are defined in Section 1.3.1 (Device Pinouts) and validated for the VPBE16 variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Separate analog/digital domains: VDDA/VSSA for ADC reference, VDDD/VSSD for core logic |
| XTAL, EXTAL | Crystal oscillator inputs | Supports fundamental-mode crystals from 4–8 MHz; enables PLL-based clock generation |
| BKGD | Background debug pin | Single-wire serial interface for BDMV4 firmware loading, breakpoint setting, and register access |
| CANH, CANL | CAN differential bus terminals | Two independent CAN transceiver interfaces (CAN0 and CAN1) with dedicated pins per channel |
| AD0–AD7 | Analog input channels | 8 multiplexed inputs shared with Port A and Port E; support external trigger and scan sequencing |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; initiates power-on, low-voltage, or watchdog reset sequence |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with EEPROM emulation | Enables field firmware updates and nonvolatile parameter storage without external EEPROM |
| Dual CAN 2.0A/B controllers | Supports redundant communication paths or multi-bus architectures in automotive networks |
| Background Debug Module (BDM) | Allows in-circuit debugging and flash programming using only BKGD and VDD/GND connections |
| Programmable PLL clock generator | Configurable multiplication factors enable precise bus speed tuning across varying crystal frequencies |
| Low-power STOP/WAIT modes | Reduces current consumption to <10 µA in STOP mode while retaining RAM and register state |
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 MCU executing real-time control logic, managing CAN communication with gateway and sensor nodes. Use Value: Dual CAN interfaces allow simultaneous connection to powertrain and comfort networks; 25 MHz bus speed ensures deterministic response under 10 ms cycle times. | Use Scenario: Closed-loop speed/position control of BLDC motors in factory automation equipment. IC Role / Device Role / Timing Role: Real-time executor of PID algorithms, PWM generation, and fault monitoring via ADC and GPIO. Use Value: 10-bit ADC with hardware-triggered sampling synchronizes voltage/current measurements to PWM edges; 2 KB RAM accommodates multiple control loop buffers. |
| Off-Highway Vehicle Telematics Unit | Commercial HVAC System Controller |
Use Scenario: Data acquisition and wireless transmission of engine diagnostics, GPS location, and fuel usage in construction machinery. IC Role / Device Role / Timing Role: Edge node processor aggregating J1939 messages, performing data preprocessing, and interfacing with cellular modem. Use Value: S12MSCANV2 supports full J1939 protocol stack; BDMV4 enables remote firmware updates in deployed units without physical access. | Use Scenario: Zone-based temperature regulation and air quality management in commercial buildings. IC Role / Device Role / Timing Role: Supervisory controller coordinating fan speed, damper position, and CO₂ sensor feedback across multiple zones. Use Value: 8-channel ADC monitors thermistors and humidity sensors; dual SCI interfaces enable Modbus RTU communication with building management systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12C64VPBE16 | 64 KB Flash, same 112-pin LQFP package and peripheral set | Higher code capacity for complex control algorithms or integrated bootloader + application | Select when firmware size exceeds 32 KB or future scalability is required |
| S9S12G64F0MLH | Enhanced S12G derivative with 64 KB Flash, 4 KB RAM, and improved ADC linearity | Not pin-compatible; requires PCB redesign but offers higher reliability and extended temp range (−40°C to 125°C) | Choose for new designs needing longer lifecycle support or extended temperature operation |
Compared with MC9S12C32VPBE16, the MC9S12C64VPBE16 provides double Flash capacity in identical packaging for seamless code expansion, while the S9S12G64F0MLH delivers architectural improvements and broader environmental tolerance at the cost of layout compatibility.
Availability
MC9S12C32VPBE16 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, off-highway telematics, and commercial HVAC systems requiring stable component supply and long-term manufacturing continuity.
Supply support for MC9S12C32VPBE16 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 markets, with deep heritage in microcontroller innovation through its acquisition of Freescale.
The MC9S12C family was engineered specifically for cost-sensitive, high-reliability automotive body electronics and industrial control applications where deterministic real-time performance, CAN connectivity, and robust debug infrastructure are essential.
FAQ
What is the maximum operating frequency of the MC9S12C32VPBE16?
The MC9S12C32VPBE16 achieves a maximum bus speed of 25 MHz using its internal PLL, which multiplies an external 4–8 MHz crystal input. This frequency governs instruction execution, peripheral timing, and interrupt latency. The S12 CPU core operates at bus speed, delivering approximately 12.5 million instructions per second (MIPS) under typical conditions. All timing specifications in the reference manual assume this 25 MHz bus clock.
Does the MC9S12C32VPBE16 support CAN FD or only classical CAN?
The MC9S12C32VPBE16 supports only classical CAN 2.0A/B (ISO 11898-1) via its two S12MSCANV2 modules. It does not implement CAN FD features such as flexible data-rate, extended data length (up to 64 bytes), or bit-rate switching. The CAN controllers are fully compatible with J1939 and CANopen protocols at standard bit rates up to 1 Mbps, but lack the hardware enhancements required for CAN FD frame processing.
How much user-accessible RAM does the MC9S12C32VPBE16 provide?
The MC9S12C32VPBE16 provides 2 KB of on-chip RAM, all accessible to user software for variables, stack, heap, and peripheral buffers. This memory is mapped into the direct page and general memory space, with no portion reserved exclusively for boot ROM or debug firmware. The BDMV4 module uses only a small fixed area of RAM during debug operations and does not reduce the available 2 KB for application use under normal run-mode operation.
Is the MC9S12C32VPBE16 pin-compatible with other members of the MC9S12C family?
Yes, the MC9S12C32VPBE16 shares the same 112-pin LQFP package and pinout with other VPBE16 variants in the MC9S12C family, including MC9S12C64VPBE16 and MC9S12C128VPBE16. Pin functions, power domains, and peripheral mappings are consistent across these derivatives, enabling hardware reuse when upgrading Flash capacity. However, it is not compatible with smaller packages (e.g., 80-pin or 64-pin variants) or different suffixes (e.g., CPBE or DPBE).
What debug tools are supported for the MC9S12C32VPBE16?
The MC9S12C32VPBE16 is fully supported by Freescale/NXP's legacy BDM-based toolchain, including the USB-ML-12 universal multilink interface and CodeWarrior Development Studio for HCS12. These tools enable flash programming, real-time variable watch, hardware breakpoints, and register inspection via the single-wire BKGD pin. Third-party JTAG adapters are not supported, as the device lacks a JTAG TAP controller; only BDMV4-compliant debuggers are functionally compatible with MC9S12C32VPBE16.
MC9S12C32VPBE16 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 52-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- CANbus, EBI/EMI, SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 35
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K 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:
MC9S12C32VPBE16 FAQ
1.How can I place an order for MC9S12C32VPBE16 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12C32VPBE16 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 MC9S12C32VPBE16 reliable?
The price and inventory of MC9S12C32VPBE16 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12C32VPBE16 is usually 5 days.
3.What payment methods are accepted for MC9S12C32VPBE16?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12C32VPBE16 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12C32VPBE16?
MC9S12C32VPBE16 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12C32VPBE16 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 MC9S12C32VPBE16?
For technical support, including MC9S12C32VPBE16 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12C32VPBE16 requirements.
6.How does Aetrix verify that MC9S12C32VPBE16 is sourced from the original manufacturer or authorized distributors?
All MC9S12C32VPBE16 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 MC9S12C32VPBE16 meets industry standards.
7.What is the process for return or replacement of MC9S12C32VPBE16?
All MC9S12C32VPBE16 units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12C32VPBE16, 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 MC9S12C32VPBE16 part is unused and in its original packaging.
Return procedure for MC9S12C32VPBE16:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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