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NXP Semiconductors MC9S12GC32CPBE
- Part No.:
- MC9S12GC32CPBE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
MC9S12GC32CPBE.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 52TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:700
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Product details
Overview
MC9S12GC32CPBE 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, 8-channel PWM, and background debug interface. Designed for automotive body electronics and industrial control, it operates across –40°C to +125°C with single 5 V supply.
For engineers reviewing the MC9S12GC32CPBE datasheet, MC9S12GC32CPBE pinout, MC9S12GC32CPBE application, or MC9S12GC32CPBE equivalent, key selection criteria include its 5 V tolerant I/O, integrated CAN transceivers (via external PHY), BDM debug support, and qualification per AEC-Q100 Grade 2 for under-hood use.
Technical Context
The MC9S12GC32CPBE implements the S12 CPU core with 16-bit data/24-bit address architecture, executing instructions at up to 25 MHz bus clock derived from internal PLL or external crystal. Its memory map includes paged Flash and RAM, with PPAGE register enabling extended addressing beyond 64 KB.
Peripheral integration follows the HCS12 modular design: the PIM9C32 handles port configuration and interrupt routing; CRGV4 provides PLL-based clock generation, COP watchdog, and RTI; MSCANV2 supports full CAN 2.0A/B protocol with message buffering and ID filtering; ATD10B8C delivers 10-bit resolution with configurable sample-and-hold timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 24-bit address space and 16 MB linear address range via PPAGE |
| Flash Memory | 32 KB on-chip Flash (S12FTS32KV1 module) with 100K erase/write cycles and 10-year data retention |
| RAM | 2 KB on-chip RAM, battery-backed option available via external capacitor on VDDRTC |
| Max Bus Frequency | 25 MHz - determines instruction throughput, peripheral timing, and CAN bit rate limits (up to 1 Mbps) |
| ADC Resolution & Channels | 10-bit ATD10B8C with 8 input channels, 8 µs conversion time, and programmable sample period |
| CAN Controllers | Dual S12MSCANV2 modules supporting CAN 2.0A/B, 16 message buffers each, and hardware ID filtering |
| Operating Temperature | –40°C to +125°C - qualified per AEC-Q100 Grade 2 for automotive engine compartment applications |
| Supply Voltage | Single 4.5 V to 5.5 V supply - eliminates need for external voltage regulators in 5 V systems |
Pinout & Package
MC9S12GC32CPBE is housed in a 64-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per PIM9C32 module mapping and signal initialization tables in the reference manual.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated pairs for analog (VDDA/VSSA) and digital (VDDD/VSSD) domains; decoupling required per Appendix C layout guidelines |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; triggers power-on, low-voltage, and COP resets per CRGV4 logic |
| BKGD | Background debug serial interface | Single-wire BDM interface for flash programming, breakpoint debugging, and real-time register inspection |
| CAN0TX / CAN0RX | CAN controller 0 differential signal outputs | CMOS-level signals requiring external CAN transceiver (e.g., TJA1040) for physical layer compliance |
| AD0–AD7 | Analog input channels | Multiplexed with Port A pins; support 0–5 V input range referenced to VRH/VRL; internal 10-bit SAR conversion |
| PT0–PT7 | General-purpose I/O with interrupt capability | Programmable as input/output with pull-up enable; PT7 serves as IRQ input; all support edge-triggered interrupts |
Key Features
| Feature | Design Value |
|---|---|
| Integrated BDM Interface | Enables in-circuit flash programming and real-time debugging without JTAG header, reducing board footprint and test cost |
| Dual CAN 2.0A/B Controllers | Supports distributed vehicle networks with independent message buffers, ID masking, and error confinement per node |
| 5 V Tolerant I/O Ports | Eliminates level-shifting components when interfacing with legacy 5 V sensors, switches, and actuators |
| On-Chip Voltage Regulator (VREG3V3V2) | Generates internal 3.3 V for PLL and analog circuitry from main 5 V supply - no external regulator needed |
| AEC-Q100 Grade 2 Qualification | Validated for operation at 125°C ambient, meeting automotive reliability requirements for body control modules |
| Low-Power STOP/WAIT Modes | Reduces current consumption to <10 µA (STOP) and ~50 µA (WAIT), enabling battery-powered sleep states in telematics units |
Applications
| Body Control Module (BCM) | Engine Coolant Fan Controller |
|---|---|
Use Scenario: Centralized management of lighting, door locks, wipers, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: Main system controller executing real-time state machines, polling switches, driving relays, and communicating via CAN to gateway ECU. Use Value: Integrated CAN, 5 V I/O, and AEC-Q100 qualification eliminate external level shifters and ensure robust operation in under-dash environments. |
Use Scenario: Closed-loop PWM control of brushless DC fan motors based on coolant temperature and vehicle speed. IC Role / Device Role / Timing Role: Real-time sensor acquisition (ATD), PID computation, and 8-channel complementary PWM generation with dead-time insertion. Use Value: On-chip 10-bit ADC and hardware PWM timers reduce component count versus discrete op-amp + comparator solutions. |
| Industrial Motor Starter | Commercial Vehicle Telematics Unit |
Use Scenario: Monitoring motor current, temperature, and contactor status in 3-phase AC motor control panels. IC Role / Device Role / Timing Role: Fault detection unit sampling analog inputs, logging events to Flash, and signaling over CAN to PLC master. Use Value: 2 KB RAM enables circular buffer storage of fault waveforms; 32 KB Flash stores firmware and diagnostic logs. |
Use Scenario: GPS-enabled fleet tracking device transmitting location, fuel level, and driver behavior data via cellular modem. IC Role / Device Role / Timing Role: Host processor managing UART-to-modem interface, CAN bus parsing (J1939), and secure boot from Flash. Use Value: Dual CAN interfaces allow simultaneous connection to vehicle chassis network and trailer subsystems without arbitration bottlenecks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12GC64CPBE | 64 KB Flash, 4 KB RAM, same package and peripheral set - no pin or code changes required | Supports larger firmware images and more complex CAN message handling with additional buffer space | Select when future firmware expansion or multi-protocol stack (e.g., LIN + CAN) is anticipated |
| S9S12G64F0MLHR | NXP's updated S12G derivative with enhanced ESD rating (±8 kV HBM), improved ADC linearity, and updated BDM firmware | Offers longer product lifecycle and updated qualification documentation; requires minor toolchain update | Prefer for new designs requiring long-term supply assurance and latest automotive compliance evidence |
Compared with MC9S12GC32CPBE, the MC9S12GC64CPBE provides headroom for feature-rich firmware without changing PCB layout, while the S9S12G64F0MLHR delivers improved robustness and documented longevity - both retain identical peripheral register maps and debug interface behavior.
Availability
MC9S12GC32CPBE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and commercial vehicle telematics requiring stable component supply and long-lifecycle support.
Supply support for MC9S12GC32CPBE 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 automotive, industrial, and IoT applications, with deep heritage in microcontroller innovation through its acquisition of Freescale.
The MC9S12GC family was designed specifically for cost-sensitive, high-reliability automotive body electronics applications where 5 V operation, CAN connectivity, and AEC-Q100 compliance are mandatory.
FAQ
What is the maximum operating frequency of the MC9S12GC32CPBE?
The MC9S12GC32CPBE supports a maximum bus clock frequency of 25 MHz, achieved via its internal PLL using an external crystal or oscillator input. This frequency governs instruction execution speed, peripheral timing (e.g., CAN bit rates up to 1 Mbps), and ADC conversion time. The S12 CPU core runs at bus clock speed, delivering approximately 12.5 MIPS at 25 MHz.
Does the MC9S12GC32CPBE include a built-in CAN transceiver?
No, the MC9S12GC32CPBE integrates dual CAN controllers (MSCAN modules) but requires external CAN transceivers such as the TJA1040 or SN65HVD230 for physical layer compliance. Its CAN0TX/CAN0RX and CAN1TX/CAN1RX pins output CMOS-level signals that must be conditioned and differential-driven by an external transceiver to meet ISO 11898 standards.
How is debug functionality implemented on the MC9S12GC32CPBE?
Debug functionality on the MC9S12GC32CPBE is provided through the Background Debug Module (BDMV4), accessed via the single BKGD pin. This interface supports flash programming, real-time register inspection, breakpoint setting, and memory read/write operations without requiring JTAG hardware. It uses asynchronous serial communication with standard BDM firmware commands defined in the reference manual.
What are the power supply requirements for the MC9S12GC32CPBE?
The MC9S12GC32CPBE operates from a single 4.5 V to 5.5 V supply. It integrates the VREG3V3V2 module to generate internal 3.3 V for the PLL and analog circuitry. Separate analog (VDDA/VSSA) and digital (VDDD/VSSD) supply pins are provided, requiring dedicated decoupling capacitors per the PCB layout recommendations in Appendix C of the reference manual.
Is the MC9S12GC32CPBE qualified for automotive applications?
Yes, the MC9S12GC32CPBE is qualified per AEC-Q100 Grade 2, specifying operation from –40°C to +125°C ambient temperature. It meets automotive reliability requirements including HTOL, ESD, and mechanical stress testing. This qualification makes it suitable for under-hood and under-dash applications such as body control modules and engine ancillary controllers.
MC9S12GC32CPBE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 52-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12GC32CPBE FAQ
1.How can I place an order for MC9S12GC32CPBE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12GC32CPBE 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 MC9S12GC32CPBE reliable?
The price and inventory of MC9S12GC32CPBE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12GC32CPBE is usually 5 days.
3.What payment methods are accepted for MC9S12GC32CPBE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12GC32CPBE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12GC32CPBE?
MC9S12GC32CPBE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12GC32CPBE 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 MC9S12GC32CPBE?
For technical support, including MC9S12GC32CPBE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12GC32CPBE requirements.
6.How does Aetrix verify that MC9S12GC32CPBE is sourced from the original manufacturer or authorized distributors?
All MC9S12GC32CPBE 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 MC9S12GC32CPBE meets industry standards.
7.What is the process for return or replacement of MC9S12GC32CPBE?
All MC9S12GC32CPBE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12GC32CPBE, 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 MC9S12GC32CPBE part is unused and in its original packaging.
Return procedure for MC9S12GC32CPBE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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