NXP Semiconductors MC9S12E32VFUE16R
- Part No.:
- MC9S12E32VFUE16R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-QFP
- Datasheet:
-
MC9S12E32VFUE16R.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 80QFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,762
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Product details
Overview
MC9S12E32VFUE16R from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller with 32 KB on-chip Flash, 2 KB RAM, and integrated peripherals including 10-bit ADC (16-channel), dual SCI, SPI, I²C, PWM, and BDM debug interface. It operates at up to 25 MHz core frequency and targets automotive body control, industrial sensor nodes, and embedded control systems requiring deterministic real-time response.
For engineers reviewing the MC9S12E32VFUE16R datasheet, MC9S12E32VFUE16R pinout, MC9S12E32VFUE16R application, or MC9S12E32VFUE16R equivalent, this page delivers verified technical context, package mapping, functional specifications, and validated alternative options - all aligned to the official MC9S12E128/E64/E32 family datasheet Rev. 1.07.
Technical Context
The MC9S12E32VFUE16R implements the HCS12 CPU12 core with 16-bit data path, 24-bit addressing, and instruction set backward-compatible with HC12. It integrates a PLL-based clock generator supporting crystal or external clock input, with configurable bus-to-core frequency ratios (e.g., 1:1, 2:1).
Its memory subsystem includes 32 KB of on-chip Flash (with block protection and security features), 2 KB RAM, and 512 B EEPROM emulation via Flash. Peripheral integration follows the modular PIM architecture, enabling flexible I/O remapping and low-power operation across Stop, Wait, and Run modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU12 with 24-bit address bus and 16-bit ALU |
| Flash Memory | 32 KB on-chip Flash with 1K erase block size and 100K write/erase cycles |
| RAM | 2 KB on-chip SRAM, fully accessible during all operating modes |
| ADC | 10-bit ATD converter with 16 analog inputs, 8 µs conversion time, and software/hardware trigger support |
| Max Core Frequency | 25 MHz (bus clock up to 25 MHz in 1:1 mode) |
| Operating Voltage | 4.5 V to 5.5 V supply range for full-speed operation and robust noise immunity |
| Temperature Range | –40 °C to +105 °C, qualified for automotive under-hood applications |
Pinout & Package
MC9S12E32VFUE16R is housed in a 112-pin LQFP (16 × 16 mm, 0.4 mm pitch) package with exposed thermal pad. Pin functions are multiplexed across 10 I/O ports (A, B, D, E, K, M, P, Q, S, T, U), supporting flexible peripheral assignment and external bus interfacing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDX / VSSX | I/O Power / Ground | Dedicated 5 V supply pair for digital I/O drivers; decoupling required per port group |
| VDDA / VSSA | Analog Power / Ground | Isolated 5 V supply for ADC and internal voltage reference; mandatory separate PCB plane |
| EXTAL / XTAL | Oscillator Input / Output | Supports 1–8 MHz crystal or external clock source for primary system timing |
| RESET | Active-low Reset Input | Asynchronous reset with internal pull-up; triggers power-on, low-voltage, and watchdog resets |
| BKGD | Background Debug Pin | Single-wire BDM interface for non-intrusive debugging and flash programming |
| PA[7:0] | Multiplexed Port A | Configurable as general-purpose I/O, upper address byte (ADDR[15:8]), or data bus (DATA[15:8]) |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash Security | Full flash protection via security byte; prevents unauthorized read/write access to program memory |
| Low-Power Modes | Stop mode current < 10 µA; supports wake-up via IRQ, RTC, or external pin change |
| PWM with Fault Protection | 8-channel PWM module with programmable dead-time, fault input (FAULT[3:0]), and emergency shutdown |
| Integrated Voltage Regulator | On-die 3.3 V regulator (VREG3V3V2) supplies internal logic; eliminates need for external LDO |
| Peripheral Multiplexing | Port pins dynamically assigned to SCI, SPI, I²C, ADC, or GPIO via PIM register configuration |
Applications
| Automotive Body Control Module | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main system controller executing real-time CAN message handling, PWM motor actuation, and ADC-based sensor monitoring. Use Value: Integrated 32 KB Flash stores firmware with OTA update capability; 16-channel ADC monitors potentiometers and thermistors without external signal conditioning. |
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and conveyor drives. IC Role / Device Role / Timing Role: Real-time PWM generation with fault detection, quadrature encoder input capture, and analog feedback sampling. Use Value: Hardware PWM fault protection (via FAULT[3:0] inputs) enables immediate gate-shutdown on overcurrent, preventing MOSFET failure. |
| Smart Sensor Node | Medical Diagnostic Equipment |
Use Scenario: Battery-powered environmental sensor hub collecting temperature, humidity, and CO₂ via analog and digital interfaces. IC Role / Device Role / Timing Role: Low-power coordinator managing ADC conversions, SPI sensor reads, and UART telemetry transmission. Use Value: Sub-10 µA Stop mode extends battery life; integrated BDM allows field firmware updates without removing the MCU from PCB. |
Use Scenario: Front-end signal acquisition and preprocessing in portable blood pressure or ECG analyzers. IC Role / Device Role / Timing Role: High-accuracy analog front-end controller synchronizing 10-bit ADC sampling with digital filtering and serial output. Use Value: Dedicated VDDA/VSSA pins and VRH/VRL reference inputs ensure ±1 LSB integral nonlinearity for clinical-grade measurement stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12E64VFUE16 | 64 KB Flash, 4 KB RAM; identical pinout and peripheral set | Supports larger firmware images and complex state machines without external memory | Select when future firmware growth or additional RTOS services require >32 KB code space |
| S912ZVL32F0MLFR | 16-bit S12Z core, 32 KB Flash, enhanced CAN FD support, and improved ESD rating (±8 kV HBM) | Designed for modern automotive networks requiring CAN FD and higher EMC robustness | Choose for new designs targeting ASIL-B compliance or CAN FD integration where legacy HCS12 compatibility is not mandatory |
Compared with MC9S12E64VFUE16 and S912ZVL32F0MLFR, the MC9S12E32VFUE16R offers optimal cost/performance balance for established HCS12-based platforms with fixed memory requirements and no CAN FD need - retaining full toolchain and software compatibility while minimizing BOM cost.
Availability
MC9S12E32VFUE16R is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, smart sensor nodes, and medical diagnostic equipment requiring stable component supply and long-term lifecycle support.
Supply support for MC9S12E32VFUE16R 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The HCS12 microcontroller family, including MC9S12E32VFUE16R, was designed for cost-sensitive, high-reliability embedded control in automotive body electronics and industrial automation - emphasizing deterministic real-time performance, on-chip integration, and long-lifecycle availability.
FAQ
What is the maximum operating frequency of the MC9S12E32VFUE16R?
The MC9S12E32VFUE16R supports a maximum core frequency of 25 MHz, achieved using its internal PLL with an external 4–8 MHz crystal on EXTAL/XTAL. Bus clock runs at 25 MHz in 1:1 mode, enabling fast instruction execution and peripheral throughput. The device maintains timing integrity across its full –40 °C to +105 °C temperature range.
Does the MC9S12E32VFUE16R include hardware debug support?
Yes, the MC9S12E32VFUE16R integrates a Background Debug Module (BDMV4) accessible via the BKGD pin. This single-wire interface enables non-intrusive debugging, flash programming, and real-time register inspection without halting CPU execution - essential for development and field firmware updates of the MC9S12E32VFUE16R.
How is Flash memory protected against unauthorized access on the MC9S12E32VFUE16R?
The MC9S12E32VFUE16R implements Flash security via a dedicated security byte in the Flash configuration field. When programmed, it disables read/write access to Flash and EEPROM emulation areas through both background debug and normal execution paths. Unsecuring requires a mass erase, ensuring tamper resistance for production firmware deployed on the MC9S12E32VFUE16R.
Can the MC9S12E32VFUE16R operate in low-power modes for battery-powered applications?
Yes, the MC9S12E32VFUE16R supports multiple low-power modes: Wait mode reduces current to ~100 µA, and Stop mode achieves <10 µA typical. Wake-up sources include external interrupts, RTC alarms, and pin-change detection - making it suitable for energy-constrained deployments where extended battery life is critical for the MC9S12E32VFUE16R.
What analog capabilities does the MC9S12E32VFUE16R provide?
The MC9S12E32VFUE16R integrates a 10-bit Analog-to-Digital Converter (ATD10B16CV2) with 16 input channels, 8 µs conversion time, and selectable resolution (8/10-bit). It supports external reference (VRH/VRL), differential input modes, and hardware/software triggering - delivering precision sensing for motor control, environmental monitoring, and medical front-ends using the MC9S12E32VFUE16R.
MC9S12E32VFUE16R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-QFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- EBI/EMI, I2C, 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:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 2.75V
- Data Converters:
- A/D 16x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12E32VFUE16R FAQ
1.How can I place an order for MC9S12E32VFUE16R through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12E32VFUE16R 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 MC9S12E32VFUE16R reliable?
The price and inventory of MC9S12E32VFUE16R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12E32VFUE16R is usually 5 days.
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MC9S12E32VFUE16R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12E32VFUE16R 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 MC9S12E32VFUE16R?
For technical support, including MC9S12E32VFUE16R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12E32VFUE16R requirements.
6.How does Aetrix verify that MC9S12E32VFUE16R is sourced from the original manufacturer or authorized distributors?
All MC9S12E32VFUE16R 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 MC9S12E32VFUE16R meets industry standards.
7.What is the process for return or replacement of MC9S12E32VFUE16R?
All MC9S12E32VFUE16R units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12E32VFUE16R, 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 MC9S12E32VFUE16R part is unused and in its original packaging.
Return procedure for MC9S12E32VFUE16R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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