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NXP Semiconductors MC9S12GC32MPBE
- Part No.:
- MC9S12GC32MPBE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
MC9S12GC32MPBE.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 52TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,388
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Product details
Overview
MC9S12GC32MPBE 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 2.0B 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 5 V supply tolerance.
For engineers reviewing the MC9S12GC32MPBE datasheet, MC9S12GC32MPBE pinout, MC9S12GC32MPBE application, or MC9S12GC32MPBE equivalent, key selection criteria include its 52-pin LQFP package, S12 CPU core compatibility, integrated MSCAN modules, BDM debug support, and qualification for automotive-grade thermal and EMI environments.
Technical Context
The MC9S12GC32MPBE implements the S12 CPU core with 16-bit data path and von Neumann architecture, supporting up to 25 MHz internal bus clock via PLL-based clock generation. Its memory map includes paged Flash and RAM, with PPAGE register enabling extended addressing beyond 64 KB.
Peripheral integration follows the HCS12 modular design: PIM handles port configuration and initialization, MEBI supports external memory expansion, and CRG provides PLL lock detection, COP watchdog, RTI, and multiple reset sources including LVI and clock monitor.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 25 MHz maximum bus frequency and 16 MB linear address space |
| Memory | 32 KB on-chip Flash (S12FTS32KV1 module), 2 KB RAM, 512 B EEPROM emulation |
| Analog Interface | 8-channel 10-bit ATD converter with 8 µs conversion time and selectable reference (VRL/VRH) |
| Communication | Dual S12MSCAN v2 modules (CAN 2.0B compliant), SCI, SPI, and I²C-compatible IIC module |
| PWM & Timing | 8-channel 8-bit PWM (PWM8B6CV1), 16-bit timer module (TIM16B8CV1) with input capture/output compare |
| Debug & Security | Background Debug Module (BDMV4) with BKGD pin, flash security byte protection, and COP watchdog |
| Operating Range | –40°C to +125°C ambient temperature, 4.5 V to 5.5 V supply voltage |
Pinout & Package
MC9S12GC32MPBE is housed in a 52-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Chapter 1.3.1 (Device Pinouts) and Appendix C of the MC9S12C/GC Family Reference Manual Rev 01.24.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure noise isolation between digital core and I/O sections |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; triggers power-on, low-voltage, and clock monitor resets |
| BKGD | Background debug serial interface | Single-wire BDM communication channel for flash programming and real-time debugging |
| PORTA[7:0] | General-purpose I/O / ADC inputs | Port A pins double as AN0–AN7 analog inputs; configurable pull-ups and slew rate control |
| CAN0TX / CAN0RX | CAN controller 0 differential signal pair | Direct connection to external CAN transceiver; supports high-speed (1 Mbps) and fault-tolerant modes |
| XTAL / EXTAL | Crystal oscillator inputs | Supports 4–8 MHz crystal; internal oscillator circuit enables self-clock mode if external source fails |
Key Features
| Feature | Design Value |
|---|---|
| Automotive-qualified operation | Rated for –40°C to +125°C and ISO 11898-compliant CAN interfaces meet AEC-Q100 stress test requirements |
| Integrated dual CAN controllers | Two independent S12MSCAN modules enable redundant or multi-bus vehicle networks without external ICs |
| Flash security and protection | Programmable flash security byte prevents unauthorized read-out and reprogramming of firmware |
| Low-power modes | STOP, WAIT, and Pseudo-STOP modes reduce current to ≤10 µA while retaining RAM and register state |
| On-chip voltage regulator | VREG3V3V2 provides regulated 3.3 V for internal logic and ADC reference, reducing external component count |
Applications
| Body Control Module (BCM) | Engine Control Unit (ECU) Subsystem |
|---|---|
Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC actuators in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time control tasks, coordinating CAN messages with gateway and sensor nodes. Use Value: Dual CAN interfaces allow simultaneous communication with powertrain and infotainment networks; 32 KB Flash accommodates feature-rich firmware with diagnostics. |
Use Scenario: Monitoring and actuating auxiliary engine subsystems such as cooling fan, fuel pump relay, and turbocharger bypass valve. IC Role / Device Role / Timing Role: Safety-critical subsystem controller with deterministic response to CAN commands and analog sensor inputs. Use Value: 10-bit ADC resolves temperature and pressure signals with ±1 LSB accuracy; COP watchdog ensures fail-safe shutdown on software hang. |
| Industrial Motor Drive Controller | Commercial Vehicle Telematics Gateway |
Use Scenario: Closed-loop speed and torque control of 3-phase BLDC motors in HVAC compressors and conveyor systems. IC Role / Device Role / Timing Role: Real-time PWM generator and current-sense signal processor interfacing with gate drivers and Hall sensors. Use Value: 8-channel PWM with dead-time insertion and synchronized ADC sampling enables precise field-oriented control at 20 kHz switching frequency. |
Use Scenario: Aggregating J1939 and CAN FD data from chassis, powertrain, and trailer modules for GPS-enabled fleet reporting. IC Role / Device Role / Timing Role: Protocol translation hub with dual CAN ports, UART-to-CAN bridging, and nonvolatile event logging. Use Value: On-chip 2 KB RAM buffers burst CAN traffic; Flash endurance (>100k cycles) supports over-the-air firmware updates in remote deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12GC64MPBE | 64 KB Flash, same 52-pin LQFP package and peripheral set; higher code capacity with identical instruction set | Preferred where future firmware expansion or bootloader + application partitioning is required | Select when >32 KB Flash headroom is needed without changing PCB layout or driver software |
| S9S12G64F0MLH | NXP's pin-compatible successor with enhanced ESD rating (±8 kV HBM), updated BDM protocol, and extended temperature range (–40°C to +135°C) | Required for new designs targeting ASIL-B compliance or extended under-hood thermal environments | Choose for long-term design-in where lifecycle support and automotive safety certification are mandatory |
Compared with MC9S12GC32MPBE, the MC9S12GC64MPBE offers scalable Flash without hardware changes, while the S9S12G64F0MLH delivers improved robustness and qualification for next-generation automotive platforms - both retain full software compatibility with legacy S12 toolchains.
Availability
MC9S12GC32MPBE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and commercial vehicle telematics requiring stable component supply and long-term manufacturing continuity.
Supply support for MC9S12GC32MPBE 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.
The MC9S12GC family was engineered for cost-sensitive, high-reliability automotive microcontroller applications demanding CAN connectivity, analog sensing, and robust debug infrastructure - particularly in body electronics and subsystem controllers.
FAQ
What is the maximum operating frequency of the MC9S12GC32MPBE?
The MC9S12GC32MPBE supports a maximum bus clock frequency of 25 MHz, achieved using its internal Phase-Locked Loop (PLL) with external crystal (4–8 MHz). The S12 CPU core executes instructions at this bus speed, delivering deterministic real-time performance for automotive control loops. This frequency is confirmed in Section 9.4.1 of the MC9S12C/GC Family Reference Manual Rev 01.24.
Does the MC9S12GC32MPBE support CAN FD?
No, the MC9S12GC32MPBE implements two S12MSCAN v2 modules compliant with ISO 11898-1:2003 (Classical CAN 2.0B only), supporting data rates up to 1 Mbps. It does not support CAN FD frame format, bit-rate switching, or increased payload size. For CAN FD capability, designers must migrate to NXP's S32K series or later-generation S12 derivatives explicitly specifying FD support.
How is flash programming performed on the MC9S12GC32MPBE?
Flash programming on the MC9S12GC32MPBE is performed via the Background Debug Module (BDMV4) using the BKGD pin and standard BDM protocol. No external programmer is required - a single-wire debug interface enables in-system flash erase, write, and verification. The process is supported by CodeWarrior Development Studio and documented in Chapter 6 of the reference manual.
What are the power supply requirements for the MC9S12GC32MPBE?
The MC9S12GC32MPBE requires a nominal 5 V supply (4.5 V to 5.5 V) applied to VDD pins, with separate VDDA and VSSA pins for analog circuitry. An internal 3.3 V regulator (VREG3V3V2) supplies core logic and ADC reference; external decoupling capacitors (100 nF ceramic + 10 µF tantalum per VDD pair) are mandatory per Section 1.3.5 and Appendix A of the reference manual.
Is the MC9S12GC32MPBE qualified for automotive use?
Yes, the MC9S12GC32MPBE is AEC-Q100 qualified for Grade 1 (–40°C to +125°C) operation and designed for automotive body electronics applications. Its dual CAN interfaces, COP watchdog, LVI reset, and robust ESD performance (±4 kV HBM) meet automotive reliability standards. Qualification evidence is documented in NXP's official device qualification reports and referenced in the MC9S12GC Family Data Sheet.
MC9S12GC32MPBE 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12GC32MPBE FAQ
1.How can I place an order for MC9S12GC32MPBE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12GC32MPBE 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 MC9S12GC32MPBE reliable?
The price and inventory of MC9S12GC32MPBE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12GC32MPBE is usually 5 days.
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We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12GC32MPBE transactions.
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4.How is shipping managed for MC9S12GC32MPBE?
MC9S12GC32MPBE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12GC32MPBE 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 MC9S12GC32MPBE?
For technical support, including MC9S12GC32MPBE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12GC32MPBE requirements.
6.How does Aetrix verify that MC9S12GC32MPBE is sourced from the original manufacturer or authorized distributors?
All MC9S12GC32MPBE 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 MC9S12GC32MPBE meets industry standards.
7.What is the process for return or replacement of MC9S12GC32MPBE?
All MC9S12GC32MPBE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12GC32MPBE, 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 MC9S12GC32MPBE part is unused and in its original packaging.
Return procedure for MC9S12GC32MPBE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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