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NXP Semiconductors MC9S12C32MFUE16
- Part No.:
- MC9S12C32MFUE16
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-QFP
- Datasheet:
-
MC9S12C32MFUE16.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 80QFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,587
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Product details
Overview
MC9S12C32MFUE16 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 CAN 2.0A/B controller, 10-bit 8-channel ADC, 8-channel PWM, and background debug module (BDM). It targets automotive body control modules, industrial sensor interfaces, and embedded motor control systems requiring deterministic real-time response.
For engineers reviewing the MC9S12C32MFUE16 datasheet, MC9S12C32MFUE16 pinout, MC9S12C32MFUE16 application, or MC9S12C32MFUE16 equivalent, key selection criteria include its 48-pin LQFP package, 5V operation, integrated MSCAN interface, BDM debug support, and compatibility with legacy S12 toolchains and CodeWarrior IDE.
Technical Context
The MC9S12C32MFUE16 implements the S12 CPU core with 16-bit data path and 24-bit addressing, supporting up to 128 KB addressable memory space. Its clock system includes a PLL for bus speeds up to 25 MHz, selectable via internal RC oscillator or external crystal (1–8 MHz).
It features a modular peripheral set including TIM16B8CV1 timer, ATD10B8C analog-to-digital converter, S12MSCANV2 controller, and PIM9C32 port integration module - all mapped into a unified memory space with banked register access and configurable interrupt priority levels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 24-bit address bus; enables efficient C code execution and deterministic interrupt latency. |
| Flash Memory | 32 KB on-chip Flash (S12FTS32KV1 module); supports in-circuit programming and EEPROM emulation via flash sectors. |
| RAM | 2 KB on-chip RAM; used for stack, variables, and real-time buffers without external memory dependency. |
| Max Bus Speed | 25 MHz; defines instruction throughput and peripheral timing margins for CAN, PWM, and ADC sampling. |
| ADC Resolution | 10-bit, 8-channel ATD10B8C; provides 0–5 V input range with programmable sample-and-hold and conversion triggers. |
| CAN Interface | Scalable Controller Area Network (S12MSCANV2); compliant with ISO 11898-1, supports 1 Mbit/s baud rate and message buffering. |
| Debug Interface | Background Debug Module (BDMV4); single-wire serial interface for flash programming, breakpoint debugging, and real-time register inspection. |
| Supply Voltage | 4.5–5.5 V operation; compatible with standard automotive 5 V rail and tolerant of battery transients per ISO 7637-2. |
Pinout & Package
MC9S12C32MFUE16 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 pinout standard defined in Chapter 1.3.1 of the Reference Manual (Rev 01.24), with dedicated VDD/VSS pairs, BKGD debug pin, CANH/CANL differential pair, and multiplexed port pins supporting GPIO, ADC inputs, PWM outputs, and serial interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD supplies core/I/O; VSS provides low-noise return path for analog and digital sections. |
| BKGD | Background debug interface | Single-wire bidirectional serial channel for BDM firmware communication and flash programming. |
| CANH, CANL | CAN differential bus lines | Direct connection to ISO 11898-compliant transceiver; supports fault-tolerant bus termination and dominant/recessive signaling. |
| PORTA[7:0] | General-purpose I/O / ADC inputs | Multiplexed: PA0–PA7 serve as ADC channels AN0–AN7 or digital I/O; configured via ATDCTL registers. |
| PORTB[7:0] | General-purpose I/O / PWM outputs | PB0–PB7 support 8-channel PWM (PWM8B6CV1) with independent duty cycle and period control. |
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU registers and initializes peripheral modules to known states. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated MSCAN controller | Hardware-accelerated CAN 2.0A/B protocol handling with 15 message buffers, reducing CPU overhead in automotive networks. |
| Background Debug Module (BDM) | On-chip debug capability eliminates need for external emulators; enables field firmware updates and runtime diagnostics. |
| Configurable low-power modes | STOP, WAIT, and Pseudo-STOP modes reduce current consumption to <10 µA, suitable for battery-backed applications. |
| Flash reprogrammability | 32 KB Flash supports >10,000 erase/write cycles; enables over-the-air updates and calibration data storage. |
| Peripheral clock gating | Selective enable/disable of TIM, ATD, SPI, and SCI clocks reduces dynamic power without disabling functionality. |
| Robust reset architecture | Combines power-on reset (POR), low-voltage reset (LVR), clock monitor (CM), and COP watchdog for fail-safe operation. |
Applications
| Automotive Body Control Unit | Industrial Motor Drive Interface |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main MCU executing LIN/CAN gateway logic, PWM-driven actuator control, and analog sensor signal acquisition. Use Value: Integrated MSCAN and 8-channel PWM eliminate external transceivers and driver ICs, reducing BOM count and PCB area. |
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers, conveyor drives, and pump systems. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms using ADC-sampled current feedback and synchronized PWM output generation. Use Value: 25 MHz bus speed and hardware timer capture/compare ensure sub-microsecond timing precision for commutation events. |
| Smart Sensor Node | Embedded Power Supply Monitor |
|
Use Scenario: Distributed temperature, pressure, and humidity sensing in factory automation with CAN reporting. IC Role / Device Role / Timing Role: Signal conditioning, multi-sensor polling, data fusion, and CAN message formatting at 500 kbit/s. Use Value: On-chip 10-bit ADC with internal reference and programmable sample rate enables direct sensor interfacing without external signal chain. |
Use Scenario: Monitoring input voltage, output ripple, and thermal status in industrial DC-DC converters and UPS systems. IC Role / Device Role / Timing Role: Analog monitoring via ATD, digital I/O for fault signaling, and real-time interrupt-driven event logging. Use Value: Low-voltage reset (LVR) threshold of 4.25 V ensures reliable shutdown before brownout-induced corruption of control state. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12C64MFUE16 | 64 KB Flash, same 48-pin LQFP package and peripheral set; higher memory headroom for complex firmware. | Preferred where bootloader, OTA update partition, or larger RTOS footprint is required. | Select when future firmware expansion or dual-bank flash operation is needed without changing PCB layout. |
| S912XDP512J1MALR | Enhanced XGATE co-processor, 512 KB Flash, 32 KB RAM; pin-compatible but requires updated toolchain and BDM adapter. | Targeted at high-throughput CAN gateways or sensor fusion with parallel processing demands. | Choose for new designs needing scalable performance; not drop-in due to XGATE initialization and memory map differences. |
Compared with MC9S12C32MFUE16, the MC9S12C64MFUE16 offers immediate memory scalability within identical hardware constraints, while the S912XDP512J1MALR delivers architectural uplift for compute-intensive tasks - both require validation of CAN timing, ADC linearity, and debug interface compatibility in final design.
Availability
MC9S12C32MFUE16 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and embedded sensor interface applications requiring stable component supply and long-term lifecycle support.
Supply support for MC9S12C32MFUE16 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, with deep heritage in microcontroller innovation.
The MC9S12C family was designed specifically for cost-sensitive, high-reliability automotive and industrial control applications requiring CAN connectivity, robust debug, and extended temperature operation (–40°C to +125°C).
FAQ
What is the maximum operating frequency of the MC9S12C32MFUE16?
The MC9S12C32MFUE16 achieves a maximum bus speed of 25 MHz using its on-chip PLL, which multiplies an external 4–8 MHz crystal or internal RC oscillator. This frequency governs instruction execution, peripheral timing, and CAN bit rate accuracy. The S12 CPU core operates synchronously with this bus clock, delivering predictable real-time performance critical for automotive control loops.
Does the MC9S12C32MFUE16 support in-circuit debugging?
Yes, the MC9S12C32MFUE16 includes a fully integrated Background Debug Module (BDMV4) accessible via the BKGD pin. This allows full-speed debugging, flash programming, register inspection, and breakpoint setting using standard BDM cables and CodeWarrior IDE - no external emulator required. The module remains functional across all non-STOP modes, enabling live system analysis during development and field service.
What peripherals are integrated into the MC9S12C32MFUE16?
The MC9S12C32MFUE16 integrates a 10-bit 8-channel ADC (ATD10B8C), 8-channel PWM (PWM8B6CV1), Scalable CAN controller (S12MSCANV2), Serial Communications Interface (SCI), Serial Peripheral Interface (SPI), 16-bit Timer (TIM16B8CV1), and Clock/Reset Generator (CRGV4). All peripherals share a unified memory-mapped register space and support configurable interrupt vectors for deterministic real-time response.
Is the MC9S12C32MFUE16 qualified for automotive applications?
Yes, the MC9S12C32MFUE16 is AEC-Q100 qualified for Grade 2 (–40°C to +105°C) and Grade 1 (–40°C to +125°C) operation. It meets automotive requirements for ESD immunity (±2 kV HBM), transient suppression (ISO 7637-2), and long-term reliability under thermal cycling and vibration stress - making it suitable for body control, lighting, and chassis subsystems.
What package type and pin count does the MC9S12C32MFUE16 use?
The MC9S12C32MFUE16 uses a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad. This compact, surface-mount package supports automated assembly and provides sufficient I/O for mid-complexity automotive and industrial control applications while maintaining thermal performance under continuous 25 MHz operation.
MC9S12C32MFUE16 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:
- 16MHz
- 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12C32MFUE16 FAQ
1.How can I place an order for MC9S12C32MFUE16 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12C32MFUE16 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 MC9S12C32MFUE16 reliable?
The price and inventory of MC9S12C32MFUE16 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12C32MFUE16 is usually 5 days.
3.What payment methods are accepted for MC9S12C32MFUE16?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12C32MFUE16 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12C32MFUE16?
MC9S12C32MFUE16 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12C32MFUE16 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 MC9S12C32MFUE16?
For technical support, including MC9S12C32MFUE16 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12C32MFUE16 requirements.
6.How does Aetrix verify that MC9S12C32MFUE16 is sourced from the original manufacturer or authorized distributors?
All MC9S12C32MFUE16 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 MC9S12C32MFUE16 meets industry standards.
7.What is the process for return or replacement of MC9S12C32MFUE16?
All MC9S12C32MFUE16 units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12C32MFUE16, 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 MC9S12C32MFUE16 part is unused and in its original packaging.
Return procedure for MC9S12C32MFUE16:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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