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NXP Semiconductors MC9S12C32CFUE25
- Part No.:
- MC9S12C32CFUE25
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-QFP
- Datasheet:
-
MC9S12C32CFUE25.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 80QFP
- Quantity:
- Payment:
- Shipping:
Inventory:408
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Product details
Overview
MC9S12C32CFUE25 from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 32 KB on-chip Flash, 2 KB RAM, and integrated CAN 2.0A/B controller, PWM, 10-bit ADC (8-channel), and BDM debug interface. It operates at up to 25 MHz system clock via internal PLL and targets automotive body control modules, industrial sensor nodes, and embedded motor control systems.
For engineers reviewing the MC9S12C32CFUE25 datasheet, MC9S12C32CFUE25 pinout, MC9S12C32CFUE25 application, or MC9S12C32CFUE25 equivalent, key selection criteria include CAN bus integration, Flash endurance (10k write/erase cycles), 5V-tolerant I/O, and qualification per AEC-Q100 Grade 2 (−40°C to +105°C).
Technical Context
The MC9S12C32CFUE25 implements the S12 CPU core with 16-bit data path, 24-bit addressing, and Harvard architecture. It integrates a scalable CAN controller (S12MSCANV2), 8-channel 10-bit ATD converter (ATD10B8C), and dual-output voltage regulator (VREG3V3V2) supporting both 5 V and 3.3 V domains.
Its memory subsystem includes 32 KB Flash (S12FTS32KV1), 2 KB RAM, and configurable PPAGE banking for extended addressing. Clock generation uses a PLL-based CRGV4 module with external crystal or ceramic resonator support (1–8 MHz input), enabling stable 25 MHz core operation.
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) with 10,000 erase/write cycles and 10-year data retention |
| RAM | 2 KB on-chip SRAM, battery-backed option available via external circuitry |
| CAN Interface | One S12MSCANV2 module compliant with ISO 11898-1, supporting CAN 2.0A/B frames and 1 Mbit/s operation |
| ADC | 8-channel 10-bit ATD10B8C with 8 µs conversion time, programmable sample-and-hold, and external trigger capability |
| Max System Clock | 25 MHz derived from PLL (input 1–8 MHz crystal/resonator); supports RUN, WAIT, and STOP low-power modes |
| I/O Voltage | 5 V-tolerant digital I/O pins; VDDA/VSSA analog supply separate from digital VDD/VSS |
| Operating Temp | AEC-Q100 Grade 2 qualified: −40°C to +105°C ambient temperature range |
Pinout & Package
MC9S12C32CFUE25 is housed in a 64-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions follow the PIM9C32 port integration module mapping, including dedicated CANH/CANL, BKGD debug, and dual VDD/VSS power domains.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BKGD | Background Debug Interface | Single-wire serial interface for BDMV4 programming, debugging, and flash erase without reset |
| CANH / CANL | CAN Bus Differential Pair | Direct connection to ISO 11898-compliant transceiver; supports dominant/recessive bit encoding and fault detection |
| RESET | Active-Low Reset Input | Asynchronous reset assertion clears CPU registers, disables peripherals, and forces boot vector fetch |
| VDDA / VSSA | Analog Power Supply | Dedicated 5 V analog domain for ADC reference stability; isolated from digital noise sources |
| PORTA[7:0] | General-Purpose I/O / ADC Inputs | Configurable as digital I/O or analog inputs AN0–AN7; supports pull-up enable and slew-rate control |
| XTAL / EXTAL | Crystal Oscillator Terminals | Connects to 1–8 MHz fundamental-mode crystal; internal oscillator circuit provides buffered clock output |
Key Features
| Feature | Design Value |
|---|---|
| On-chip CAN Controller | Full CAN 2.0A/B compliance with message buffering, ID filtering, and error confinement-enables standalone vehicle network node design |
| Background Debug Module (BDM) | Single-pin BKGD interface enables in-circuit flash programming, real-time register inspection, and non-intrusive breakpoint execution |
| Dual-Voltage Regulator | Integrated VREG3V3V2 supplies internal 3.3 V logic while accepting 5 V external input-reduces external component count |
| Flash Security | Memory protection via SEC register lock bits prevents unauthorized read/write access to Flash and EEPROM emulation areas |
| Low-Power Modes | STOP, WAIT, and Pseudo-STOP modes reduce current to <10 µA (STOP) with wake-up via CAN, IRQ, or RTI-ideal for battery-powered nodes |
Applications
| Automotive Body Control Unit | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC actuators in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main MCU executing CAN-based command arbitration, PWM-driven actuator timing, and analog sensor signal acquisition. Use Value: Integrated CAN and 5 V-tolerant I/O eliminate level-shifting components; AEC-Q100 Grade 2 ensures reliability across under-hood temperature swings. | Use Scenario: Closed-loop speed/torque control of BLDC motors in factory automation equipment using Hall-effect feedback. IC Role / Device Role / Timing Role: Real-time PWM generation (PWM8B6CV1), ADC sampling of current/voltage sensors, and CAN-based supervisory communication. Use Value: 25 MHz deterministic execution and hardware timer capture ensure sub-10 µs current loop response; Flash endurance supports field firmware updates. |
| Smart Sensor Node | Embedded Power Supply Monitor |
Use Scenario: Distributed environmental monitoring node collecting temperature, humidity, and vibration data in industrial settings. IC Role / Device Role / Timing Role: Low-power data acquisition engine with wake-on-event, local preprocessing, and CAN message formatting. Use Value: STOP mode current <10 µA extends battery life; integrated ADC and CAN reduce BOM cost versus discrete signal chain + transceiver solutions. | Use Scenario: Real-time monitoring of DC bus voltage, rail current, and thermal status in telecom power shelves and UPS systems. IC Role / Device Role / Timing Role: Fault-detection supervisor interfacing with analog front-end, triggering shutdown via GPIO and logging events over CAN. Use Value: Dedicated VDDA/VSSA pins and 10-bit ADC resolution enable ±1% voltage measurement accuracy; COP watchdog prevents latch-up during brownout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12C64CFUE25 | 64 KB Flash, same package and peripheral set; identical pinout and register map | Supports larger firmware images and bootloader partitioning; no change to PCB or driver stack | Select when future firmware growth or secure OTA update capability is required |
| S912XDP512J1MALR | Enhanced XGATE co-processor, 512 KB Flash, 32 KB RAM; 112-pin LQFP package | Higher performance for complex control algorithms; requires PCB redesign and toolchain migration | Choose for next-generation designs needing >100 DMIPS or multi-threaded real-time processing |
Compared with MC9S12C64CFUE25, the MC9S12C32CFUE25 offers identical peripheral functionality at lower Flash density and cost-ideal for fixed-feature production units. Versus S912XDP512J1MALR, it delivers proven AEC-Q100 reliability in a compact 64-pin footprint without co-processor complexity or layout rework.
Availability
MC9S12C32CFUE25 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and smart sensor node designs requiring stable component supply and long-term lifecycle support.
Supply support for MC9S12C32CFUE25 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 MC9S12C family was designed specifically for cost-sensitive, high-reliability automotive body electronics and industrial control applications requiring CAN, robust Flash, and AEC-Q100 qualification.
FAQ
What is the maximum operating frequency of the MC9S12C32CFUE25?
The MC9S12C32CFUE25 achieves a maximum system clock frequency of 25 MHz using its internal PLL. This is derived from an external 1–8 MHz crystal or ceramic resonator connected to XTAL/EXTAL pins. The PLL multiplies the input frequency to generate the core clock, and all peripheral timing-including CAN bit rate, ADC sampling, and PWM period-is synchronized to this 25 MHz base.
Does the MC9S12C32CFUE25 support in-circuit debugging without external tools?
Yes, the MC9S12C32CFUE25 includes a Background Debug Module (BDMV4) accessible via the single BKGD pin. This allows full in-circuit debugging-including flash programming, register inspection, and breakpoint execution-using only a standard BDM interface cable and compatible IDE (e.g., CodeWarrior). No JTAG adapter or external emulator is required.
Is the MC9S12C32CFUE25 qualified for automotive use?
Yes, the MC9S12C32CFUE25 is AEC-Q100 Grade 2 qualified, rated for operation from −40°C to +105°C ambient temperature. It meets automotive reliability standards for HTOL, ESD, and latch-up, and is commonly deployed in body control modules, lighting controllers, and chassis subsystems where extended temperature range and long-term stability are mandatory.
Can the MC9S12C32CFUE25 operate without an external crystal?
No-the MC9S12C32CFUE25 requires an external timing source (1–8 MHz crystal or ceramic resonator) on XTAL/EXTAL pins for reliable operation. While the internal oscillator can run in self-clock mode after reset, this mode lacks precision and stability for CAN, ADC, or real-time applications. Production designs must use the external crystal to meet CAN bit timing tolerance (±1%) and ADC sampling accuracy specs.
How many CAN message buffers does the MC9S12C32CFUE25 support?
The MC9S12C32CFUE25's S12MSCANV2 module supports 16 message buffers, configurable as transmit or receive objects. Each buffer includes full ID masking, acceptance filtering, and automatic retransmission on error. Buffer allocation is software-defined via the CAN Message Object RAM (MOT) and supports prioritized transmission and FIFO-style reception handling.
MC9S12C32CFUE25 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-QFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 60
- 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:
MC9S12C32CFUE25 FAQ
1.How can I place an order for MC9S12C32CFUE25 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12C32CFUE25 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 MC9S12C32CFUE25 reliable?
The price and inventory of MC9S12C32CFUE25 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12C32CFUE25 is usually 5 days.
3.What payment methods are accepted for MC9S12C32CFUE25?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12C32CFUE25 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12C32CFUE25?
MC9S12C32CFUE25 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12C32CFUE25 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 MC9S12C32CFUE25?
For technical support, including MC9S12C32CFUE25 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12C32CFUE25 requirements.
6.How does Aetrix verify that MC9S12C32CFUE25 is sourced from the original manufacturer or authorized distributors?
All MC9S12C32CFUE25 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 MC9S12C32CFUE25 meets industry standards.
7.What is the process for return or replacement of MC9S12C32CFUE25?
All MC9S12C32CFUE25 units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12C32CFUE25, 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 MC9S12C32CFUE25 part is unused and in its original packaging.
Return procedure for MC9S12C32CFUE25:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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