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NXP Semiconductors MC9S12C32VFUE25
- Part No.:
- MC9S12C32VFUE25
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-QFP
- Datasheet:
-
MC9S12C32VFUE25.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 80QFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,534
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Product details
Overview
MC9S12C32VFUE25 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 8-channel ADC, and BDM debug interface. It operates at up to 25 MHz system clock, supports automotive-grade temperature range (–40°C to +105°C), and targets engine control units, body electronics, and industrial motor control.
For engineers reviewing the MC9S12C32VFUE25 datasheet, MC9S12C32VFUE25 pinout, MC9S12C32VFUE25 application, or MC9S12C32VFUE25 equivalent, key selection criteria include its 80-pin LQFP package, S12 CPU core with 16-bit architecture, integrated MSCAN module, flash endurance (10k write/erase cycles), and qualification per AEC-Q100 Grade 2.
Technical Context
The MC9S12C32VFUE25 implements the S12 CPU core with 16-bit data path, 24-bit address space, and Harvard-style memory architecture. It integrates a scalable CAN controller (S12MSCANV2), 16-bit timer module (TIM16B8CV1), and dual-voltage regulator (VREG3V3V2) supporting internal 3.3 V I/O and 5 V analog operation.
Its memory subsystem includes 32 KB of on-chip Flash (S12FTS32KV1), 2 KB RAM, and configurable PPAGE banking for extended addressing. The device uses a PLL-based clock generation system (CRGV4) with external crystal or ceramic resonator support and includes BDMV4 for single-wire background debugging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 24-bit addressing 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 via external circuitry |
| Max System Clock | 25 MHz - enables real-time control loop execution ≤ 40 ns per instruction cycle |
| CAN Interface | One S12MSCANV2 module compliant with ISO 11898-1, supporting CAN 2.0A/B frames and 1 Mbit/s baud rate |
| ADC | 10-bit ATD10B8C with 8 input channels, 8 µs conversion time, and programmable sample-and-hold |
| Package | 80-pin LQFP (12 × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3 |
| Operating Temperature | –40°C to +105°C - qualified per AEC-Q100 Grade 2 for under-hood automotive use |
Pinout & Package
MC9S12C32VFUE25 is housed in an 80-pin LQFP package (12 × 12 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per MC9S12C-Family Reference Manual Rev 01.24, including dedicated CANH/CANL, BKGD debug, RESET, and multiplexed port pins (Port A–P).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD/VSS for digital core (5 V), VDDA/VSSA for analog (5 V), VDDPLL/VSSPLL for PLL (2.5 V) |
| CANH, CANL | CAN bus differential pair | Direct connection to ISO 11898-compliant transceiver; supports fault-tolerant termination and dominant/recessive state detection |
| BKGD | Background debug interface | Single-wire BDM communication channel for programming, breakpoint insertion, and real-time register inspection |
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU registers and initializes peripheral modules; debounced internally |
| XTAL, EXTAL | Crystal oscillator inputs | Supports 4–8 MHz fundamental-mode crystals for PLL reference; internal load capacitors eliminate external components |
| PORTA[7:0] | General-purpose I/O / ADC inputs | Multiplexed as analog inputs AN0–AN7 for ATD10B8C; software-configurable pull-up/pull-down and slew rate |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B Controller | Hardware message buffering (15 mailboxes), automatic retransmission, and error confinement per ISO 11898-1 |
| Background Debug Module (BDM) | Single-wire interface enabling non-intrusive firmware download, live register read/write, and hardware breakpoints without halting CPU |
| Programmable PLL Clock Generator | Configurable multiplication factor (1–32×) and divider settings to derive 25 MHz system clock from low-frequency crystal (e.g., 4 MHz) |
| 10-bit Analog-to-Digital Converter | 8-channel simultaneous sampling capability, selectable conversion trigger sources (software, timer, or external event) |
| Low-Power Modes (WAIT/STOP) | STOP mode draws <10 µA typical; WAIT mode retains RAM and peripheral context while disabling CPU clock |
| On-Chip Voltage Regulator | VREG3V3V2 provides regulated 3.3 V for I/O buffers, reducing external component count and improving noise immunity |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and oxygen sensor signals in gasoline engine management systems. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop fuel injection and ignition timing algorithms with deterministic 25 MHz instruction throughput. Use Value: Integrated CAN interface enables seamless communication with transmission and ABS ECUs; 10-bit ADC resolves sensor inputs to ±0.1% full-scale accuracy. |
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator managing distributed LIN/CAN nodes and interpreting switch inputs with debounced GPIO. Use Value: 80-pin LQFP provides sufficient I/O for direct drive of relays and LEDs; AEC-Q100 Grade 2 rating ensures reliability across vehicle lifetime. |
| Industrial Motor Drive | Off-Road Vehicle Telematics |
|
Use Scenario: Closed-loop speed and torque regulation of 3-phase BLDC motors in agricultural machinery. IC Role / Device Role / Timing Role: Real-time PWM generator (PWM8B6CV1) synchronized with ADC sampling for current sensing and field-oriented control. Use Value: 16-bit TIM16B8CV1 supports precise dead-time insertion and phase-shifted outputs; 25 MHz clock enables sub-microsecond interrupt latency. |
Use Scenario: GPS-enabled asset tracking and diagnostic reporting in construction equipment. IC Role / Device Role / Timing Role: Data aggregator interfacing GPS module, cellular modem, and CAN bus diagnostics via MSCAN. Use Value: On-chip 32 KB Flash stores firmware and event logs; BDM interface allows field firmware updates without disassembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12C64VFUE | 64 KB Flash, same 80-pin LQFP package and peripheral set; higher code density for complex control algorithms | Preferred where bootloader, OTA update stack, or expanded diagnostics require >32 KB program space | Select when future firmware growth or safety-critical redundancy mandates larger Flash margin |
| S912XDP512J0VLQ | Enhanced XGATE co-processor, 512 KB Flash, 32 KB RAM; pin-compatible but requires updated toolchain and layout review | Targeted at next-generation platforms needing parallel processing for CAN FD or Ethernet gateway functions | Choose for new designs requiring scalable performance; not drop-in compatible due to XGATE dependency and voltage rail changes |
Compared with MC9S12C64VFUE and S912XDP512J0VLQ, the MC9S12C32VFUE25 delivers optimal cost-performance balance for established automotive ECU architectures, offering verified AEC-Q100 compliance and mature tooling support without over-provisioning memory or complexity.
Availability
MC9S12C32VFUE25 is available at Aetrix Electronics and suitable for engine control units, body electronics modules, and industrial motor drives requiring stable component supply, long-term lifecycle assurance, and automotive-grade traceability.
Supply support for MC9S12C32VFUE25 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 MC9S12C32VFUE25 belongs to the legacy HCS12 family, designed specifically for cost-sensitive, high-reliability automotive control applications where deterministic real-time response and CAN integration are critical.
FAQ
What is the maximum operating frequency of the MC9S12C32VFUE25?
The MC9S12C32VFUE25 supports a maximum system clock frequency of 25 MHz, achieved via its internal PLL using an external 4–8 MHz crystal. This enables instruction execution at 25 MHz with deterministic timing for real-time control loops, and all peripherals-including CAN, ADC, and PWM-are fully functional at this clock rate.
Does the MC9S12C32VFUE25 include a CAN controller?
Yes, the MC9S12C32VFUE25 integrates one S12MSCANV2 module compliant with ISO 11898-1 and CAN 2.0A/B protocols. It supports bit rates up to 1 Mbit/s, features 15 message mailboxes with priority arbitration, and includes hardware error detection and automatic retransmission-making it suitable for automotive network gateways and ECU communication.
What debug interface does the MC9S12C32VFUE25 support?
The MC9S12C32VFUE25 supports the Background Debug Module (BDMV4) via the BKGD pin. This single-wire interface enables non-intrusive firmware programming, real-time register inspection, hardware breakpoints, and memory read/write operations without halting CPU execution-critical for development and field diagnostics of the MC9S12C32VFUE25.
Is the MC9S12C32VFUE25 qualified for automotive use?
Yes, the MC9S12C32VFUE25 is qualified per AEC-Q100 Grade 2 (–40°C to +105°C), with validated reliability for under-hood automotive applications. Its design includes built-in watchdog (COP), clock monitor, low-voltage reset, and ESD protection exceeding 2 kV HBM-ensuring robust operation in harsh electrical environments typical of the MC9S12C32VFUE25 deployment scenarios.
What is the Flash memory endurance specification for the MC9S12C32VFUE25?
The MC9S12C32VFUE25 specifies 10,000 write/erase cycles for its 32 KB on-chip Flash memory (S12FTS32KV1), with guaranteed 10-year data retention at +85°C. This endurance supports field firmware updates and parameter storage in automotive ECUs, and wear-leveling must be implemented in application software to maximize Flash lifetime for the MC9S12C32VFUE25.
MC9S12C32VFUE25 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-QFP
- 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:
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12C32VFUE25 FAQ
1.How can I place an order for MC9S12C32VFUE25 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12C32VFUE25 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 MC9S12C32VFUE25 reliable?
The price and inventory of MC9S12C32VFUE25 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12C32VFUE25 is usually 5 days.
3.What payment methods are accepted for MC9S12C32VFUE25?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12C32VFUE25 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12C32VFUE25?
MC9S12C32VFUE25 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12C32VFUE25 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 MC9S12C32VFUE25?
For technical support, including MC9S12C32VFUE25 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12C32VFUE25 requirements.
6.How does Aetrix verify that MC9S12C32VFUE25 is sourced from the original manufacturer or authorized distributors?
All MC9S12C32VFUE25 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 MC9S12C32VFUE25 meets industry standards.
7.What is the process for return or replacement of MC9S12C32VFUE25?
All MC9S12C32VFUE25 units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12C32VFUE25, 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 MC9S12C32VFUE25 part is unused and in its original packaging.
Return procedure for MC9S12C32VFUE25:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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