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NXP Semiconductors MC9S12C32VFAE16
- Part No.:
- MC9S12C32VFAE16
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
MC9S12C32VFAE16.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,904
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Product details
Overview
MC9S12C32VFAE16 from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 32 KB on-chip Flash, 2 KB RAM, and a 25 MHz maximum bus frequency. It integrates CAN 2.0A/B controller, 10-bit 8-channel ADC, 8-channel PWM, and background debug module (BDM). Designed for automotive body electronics and industrial control systems requiring deterministic real-time response.
For engineers reviewing the MC9S12C32VFAE16 datasheet, MC9S12C32VFAE16 pinout, MC9S12C32VFAE16 application, or MC9S12C32VFAE16 equivalent, key selection criteria include its 48-pin LQFP package, 5V operation, integrated MSCAN interface, BDM debug support, and qualification for automotive temperature range (–40°C to +105°C).
Technical Context
The MC9S12C32VFAE16 implements the S12 CPU core with 16-bit data path, Harvard architecture, and instruction pipelining. It supports multiple low-power modes (Wait, Stop, Pseudo-Stop) controlled via CRG module and includes a PLL-based clock generator enabling flexible system clock derivation from external crystal or oscillator.
Its memory map features unified 64 KB address space with banked Flash and EEPROM emulation via Flash write/erase routines. Peripheral integration includes PIM for port configuration, TIM16B8C for input capture/output compare, and ATD10B8C for analog sensing with configurable sample-and-hold timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 25 MHz max bus frequency and 16-level hardware stack |
| Flash Memory | 32 KB on-chip Flash with 10K erase/write cycles and in-application programming support |
| RAM | 2 KB on-chip RAM with retention in Wait mode |
| CAN Interface | One S12MSCANV2 module supporting CAN 2.0A/B protocol with 15 message buffers |
| ADC | ATD10B8C: 10-bit resolution, 8-channel single-ended or 4-channel differential input, 7 µs conversion time |
| PWM | PWM8B6CV1: 8-bit resolution, 8 independent channels with programmable center-aligned or edge-aligned output |
| Operating Voltage | 4.5 V to 5.5 V - enables direct compatibility with legacy 5V automotive power domains |
| Temperature Range | –40°C to +105°C - qualified per AEC-Q100 Grade 2 for under-hood automotive use |
Pinout & Package
MC9S12C32VFAE16 is housed in a 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow the MC9S12C family standard layout defined in Chapter 1.3.1 of the reference manual.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; separate analog ground (VSSA) minimizes ADC noise coupling |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; supports external watchdog or power monitor assertion |
| BKGD | Background debug serial interface | Single-wire BDM interface for non-intrusive flash programming and real-time debugging without halting CPU |
| CANL / CANH | CAN transceiver differential pair | Direct connection to ISO 11898-compliant physical layer; no external level-shifting required |
| PORTA[7:0] | General-purpose I/O with interrupt capability | Configurable as digital I/O, timer inputs, or ADC trigger sources; supports wake-from-Stop on change |
| PORTB[3:0] | Multiplexed SPI/MSCAN/PWM signals | Shared pins enable compact board layout; software-selectable function mapping via MODRR register |
Key Features
| Feature | Design Value |
|---|---|
| Integrated MSCAN Controller | Enables robust vehicle network communication without external CAN controller IC or level shifter |
| Background Debug Module (BDM) | Allows full flash read/write, register inspection, and breakpoint debugging using only BKGD pin and standard BDM tool |
| On-chip Voltage Regulator | VREG3V3V2 provides internal 3.3 V for PLL and analog circuitry - eliminates need for external regulator |
| Programmable PLL | Configurable multiplication factor (1×–32×) and divider settings enable precise bus clock tuning from 1–25 MHz |
| Low-Power STOP Mode | Consumes <10 µA typical; retains RAM and wakes on external interrupt or CAN activity - ideal for battery-powered nodes |
| Flash Security Lock | Prevents unauthorized read-out of firmware via BDM or external access - meets basic automotive security requirements |
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 MCU executing real-time control logic, communicating via CAN to instrument cluster and powertrain modules. Use Value: Integrated MSCAN, 32 KB Flash for feature-rich firmware, and AEC-Q100 qualification ensure compliance with OEM BCM requirements. | Use Scenario: Closed-loop speed control of electric cooling fans based on coolant temperature and engine load. IC Role / Device Role / Timing Role: Sensor interface (ADC), PWM generation, and CAN feedback node coordinating with ECU. Use Value: 10-bit ADC resolves ±0.5°C temperature changes; 8-channel PWM drives dual fans independently with dead-time insertion. |
| Industrial Motor Starter | Commercial Vehicle Telematics Gateway |
Use Scenario: Solid-state relay control and overload monitoring for 3-phase AC motors in pump/compressor systems. IC Role / Device Role / Timing Role: Real-time fault detection (via ADC current sensing), contactor sequencing, and CAN diagnostics reporting. Use Value: 25 MHz bus speed ensures sub-millisecond response to overcurrent events; Flash endurance supports field firmware updates. | Use Scenario: Aggregation and translation of J1939, CAN FD, and LIN messages between fleet management server and vehicle subsystems. IC Role / Device Role / Timing Role: Protocol gateway MCU with dual CAN interfaces and UART-to-CAN bridging logic. Use Value: Single-chip solution reduces BOM count; 48-pin LQFP simplifies routing for multi-bus isolation and ESD protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12C64VFAE16 | 64 KB Flash, same package and peripheral set - no code migration required for larger firmware | Supports more complex diagnostics, bootloader, or OTA update stacks | Select when firmware size exceeds 32 KB or future scalability is required |
| S912XDP512J1MALR | Enhanced XGATE co-processor, 512 KB Flash, 32 KB RAM - not pin-compatible | Offloads CAN messaging and signal processing from main CPU | Choose for high-throughput CAN networks or real-time DSP tasks beyond S12 capability |
Compared with MC9S12C64VFAE16, the MC9S12C32VFAE16 offers identical peripherals and timing behavior but reduced Flash capacity - suitable for cost-sensitive, fixed-function designs. Versus S912XDP512J1MALR, it lacks XGATE acceleration and requires more CPU overhead for CAN handling, yet delivers proven reliability in mature automotive platforms.
Availability
MC9S12C32VFAE16 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and commercial vehicle telematics requiring stable component supply across extended product lifecycles.
Supply support for MC9S12C32VFAE16 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.
The MC9S12C family was engineered for cost-effective, high-reliability automotive control applications - emphasizing CAN integration, AEC-Q100 qualification, and long-term supply stability in harsh environments.
FAQ
What is the maximum operating frequency of the MC9S12C32VFAE16?
The MC9S12C32VFAE16 supports a maximum bus frequency of 25 MHz, achieved via its internal PLL which multiplies an external crystal or oscillator input. This frequency governs all peripheral timing, including ADC sampling rate, PWM resolution, and CAN bit timing - making it critical for real-time deterministic performance in automotive control loops.
Does the MC9S12C32VFAE16 include a CAN controller?
Yes, the MC9S12C32VFAE16 integrates one S12MSCANV2 module compliant with CAN 2.0A/B protocol. It provides 15 message buffers, programmable acceptance filtering, and automatic retransmission - enabling direct connection to ISO 11898 physical transceivers without external protocol handling logic.
What debug interface does the MC9S12C32VFAE16 support?
The MC9S12C32VFAE16 uses the Background Debug Module (BDM) interface via the BKGD pin. This single-wire serial interface supports full flash programming, real-time register inspection, and non-intrusive breakpoints - compatible with standard Freescale/NXP BDM tools like the USB-ML-12.
Is the MC9S12C32VFAE16 qualified for automotive applications?
Yes, the MC9S12C32VFAE16 is AEC-Q100 Grade 2 qualified (–40°C to +105°C), with built-in features such as voltage monitoring, COP watchdog, and Flash security lock specifically designed for automotive body electronics and chassis control modules.
What is the Flash endurance specification for the MC9S12C32VFAE16?
The MC9S12C32VFAE16 specifies 10,000 erase/write cycles for its 32 KB on-chip Flash memory. Each sector can be erased independently, and in-application programming allows field firmware updates without external programmers - essential for service and calibration in deployed automotive ECUs.
MC9S12C32VFAE16 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 31
- 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:
MC9S12C32VFAE16 FAQ
1.How can I place an order for MC9S12C32VFAE16 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12C32VFAE16 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 MC9S12C32VFAE16 reliable?
The price and inventory of MC9S12C32VFAE16 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12C32VFAE16 is usually 5 days.
3.What payment methods are accepted for MC9S12C32VFAE16?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12C32VFAE16 transactions.
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4.How is shipping managed for MC9S12C32VFAE16?
MC9S12C32VFAE16 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12C32VFAE16 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 MC9S12C32VFAE16?
For technical support, including MC9S12C32VFAE16 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12C32VFAE16 requirements.
6.How does Aetrix verify that MC9S12C32VFAE16 is sourced from the original manufacturer or authorized distributors?
All MC9S12C32VFAE16 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 MC9S12C32VFAE16 meets industry standards.
7.What is the process for return or replacement of MC9S12C32VFAE16?
All MC9S12C32VFAE16 units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12C32VFAE16, 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 MC9S12C32VFAE16 part is unused and in its original packaging.
Return procedure for MC9S12C32VFAE16:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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