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NXP Semiconductors MC9S12P32CFT
- Part No.:
- MC9S12P32CFT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-TFQFN Exposed Pad
- Datasheet:
-
MC9S12P32CFT.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,436
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Product details
Overview
MC9S12P32CFT from NXP (formerly Freescale) is a 16-bit S12P-family microcontroller featuring 32 KB on-chip Flash memory with ECC, 2 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz core frequency, supports 5V I/O, and includes 8-channel 10-bit ADC, 8-channel PWM, and 16-bit timer module. It is used in automotive body control modules for window lift, seat position, and lighting control.
For engineers reviewing the MC9S12P32CFT datasheet, MC9S12P32CFT pinout, MC9S12P32CFT application, or MC9S12P32CFT equivalent, key selection criteria include its 32 KB Flash size, CAN interface compliance, 5V tolerant I/O, BDM debug support, and TQFP-80 package compatibility with legacy S12P designs.
Technical Context
The MC9S12P32CFT implements the CPU12 core with 16-bit data path and 24-bit address bus, executing instructions in single-cycle or multi-cycle modes depending on addressing mode. Its memory map includes paged Flash and linear RAM, managed by the S12PMMCV1 memory controller with bank switching support.
It integrates S12CPMU for clock generation (XOSC + IRC + IPLL), S12MSCANV3 for CAN 2.0B communication, and S12SCIV5/SPID for serial interfaces. Reset and interrupt handling follows S12SINTV1 architecture with vectorized priority-based servicing and multiple wake-up sources from stop/wait modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit CISC core with 24-bit address space and 16 MB linear address range |
| Flash Memory | 32 KB on-chip Flash with ECC protection and 10K write/erase cycles endurance |
| SRAM | 2 KB on-chip static RAM with byte-wide access and no wait states |
| Max Core Frequency | 25 MHz - enables real-time control loop execution within ≤40 ns instruction cycle |
| CAN Interface | One S12MSCANV3 module supporting CAN 2.0B protocol, 1 Mbit/s baud rate, and 64-message object buffer |
| ADC Resolution | 10-bit successive approximation ADC with 8 input channels and 25 µs conversion time |
| I/O Voltage | 5V-tolerant digital I/O pins compatible with legacy automotive sensor and actuator interfaces |
Pinout & Package
MC9S12P32CFT is housed in an 80-pin Thin Quad Flat Package (TQFP) with 0.5 mm pitch, JEDEC MS-026 compliant, thermal pad exposed on underside for enhanced heat dissipation in automotive under-hood environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Separate analog/digital/core power domains enable noise isolation for ADC and timing circuits |
| VSS, VSSA, VSSX | Ground returns | Dedicated analog ground plane minimizes coupling into sensitive ATD reference paths |
| XTAL, EXTAL | Main external oscillator terminals | Supports 4–8 MHz crystal or ceramic resonator for precise system clock generation |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external watchdog or power-on reset signals |
| PORTA[7:0] | General-purpose bidirectional I/O port | Configurable as digital I/O or multiplexed functions including CAN TX/RX, SCI, SPI, and PWM outputs |
| PORTB[7:0] | General-purpose bidirectional I/O port | Includes dedicated CAN RX/TX pins (PB0/PB1) and supports hardware interrupt on change |
| PORTJ[7:0] | General-purpose bidirectional I/O port | Provides additional GPIO with programmable pull-up/polarity and reduced drive strength options |
| PORTP[7:0] | General-purpose bidirectional I/O port | Features interrupt-on-change capability and supports background debug (BKGD) signaling |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | Enables reliable code storage in electrically noisy automotive environments without external error correction logic |
| Integrated CAN 2.0B Controller | Reduces BOM count by eliminating external CAN transceiver and protocol-handling firmware overhead |
| Background Debug Module (BDM) | Allows non-intrusive debugging via single-wire BKGD pin-no JTAG header required for field diagnostics |
| 5V I/O Tolerance | Direct interface with legacy 5V sensors, switches, and actuators without level-shifting circuitry |
| Low-Power Stop/Wait Modes | Reduces current draw to <10 µA in stop mode, enabling battery-powered body control applications |
Applications
| Automotive Body Control Unit (BCU) | Seat Position Memory System |
|---|---|
Use Scenario: Centralized control of door locks, windows, mirrors, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing LIN/CAN gateway logic, sensor polling, and actuator driver sequencing. Use Value: 32 KB Flash accommodates dual-application firmware (e.g., lock + window control), while CAN interface enables seamless integration into vehicle network topology. |
Use Scenario: Storing and recalling driver-specific seat, mirror, and steering column positions using non-volatile EEPROM emulation. IC Role / Device Role / Timing Role: Real-time position feedback acquisition via potentiometers and PWM-controlled motor drivers. Use Value: Integrated 10-bit ADC provides sufficient resolution for analog seat sensor inputs; 8-channel PWM enables independent motor speed control per axis. |
| Roof Module with Sunroof Control | Interior Lighting Dimming System |
Use Scenario: Coordinating sunroof open/close, tilt, and pinch detection with rain sensor input and anti-trap logic. IC Role / Device Role / Timing Role: Safety-critical motion controller with hardware-based timeout and emergency stop response. Use Value: Timer module (TIM16B8CV2) delivers precise 1 ms interrupt timing for motor commutation and safety monitoring loops. |
Use Scenario: Smooth dimming of LED dome lights and ambient lighting using PWM-driven constant-current drivers. IC Role / Device Role / Timing Role: PWM generator with configurable dead-time and center-aligned output for flicker-free lighting control. Use Value: 8-channel PWM module supports independent brightness control across multiple light zones without external timers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12P64CFT | 64 KB Flash, same 80-pin TQFP package, identical peripheral set and pinout | Supports larger firmware images (e.g., OTA update stacks or expanded diagnostic features) | Select when future firmware growth or dual-bank Flash operation is required |
| S912ZVL32F0MLFR | S12Z core, 32 KB Flash, 5V I/O, but uses different BDM protocol and lacks MSCAN module | Requires CAN transceiver IC and updated debug toolchain; targets cost-sensitive entry-level systems | Choose only if migrating to newer S12Z platform with long-term availability commitment |
Compared with MC9S12P64CFT, the MC9S12P32CFT offers lower Flash capacity but identical peripheral integration and debug infrastructure; versus S912ZVL32F0MLFR, it retains full CAN controller functionality and proven BDM compatibility, making it preferable for CAN-dependent legacy automotive designs.
Availability
MC9S12P32CFT is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and embedded CAN gateway applications requiring stable component supply and long-lifecycle support.
Supply support for MC9S12P32CFT 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 automotive microcontrollers.
The MC9S12P32CFT belongs to the S12P family designed specifically for cost-sensitive, high-reliability automotive body electronics where CAN integration, 5V robustness, and debug simplicity are critical.
FAQ
What is the maximum operating frequency of the MC9S12P32CFT?
The MC9S12P32CFT supports a maximum core frequency of 25 MHz, achieved via internal PLL multiplication of the external crystal oscillator (typically 4–8 MHz). This frequency enables deterministic real-time execution of automotive control algorithms with sub-40 ns instruction cycle time, and is validated across the full industrial temperature range (−40°C to +125°C).
Does the MC9S12P32CFT include a built-in CAN controller?
Yes, the MC9S12P32CFT integrates one S12MSCANV3 module compliant with CAN 2.0B specification, supporting bit rates up to 1 Mbit/s, 64 message objects, and automatic retransmission. It requires an external CAN transceiver (e.g., TJA1042) for physical layer interfacing, and shares PORTB pins PB0 (TX) and PB1 (RX) for CAN signal routing.
What debug interface does the MC9S12P32CFT support?
The MC9S12P32CFT supports Background Debug Mode (BDM) via a single BKGD pin using Freescale's proprietary 1-wire serial protocol. This allows full read/write memory access, register inspection, breakpoint setting, and flash programming without halting real-time operation - essential for in-vehicle diagnostics and calibration.
Is the MC9S12P32CFT pin-compatible with other S12P family members?
Yes, the MC9S12P32CFT in the 80-pin TQFP package shares identical pinout and electrical characteristics with MC9S12P64CFT and MC9S12P96CFT, enabling drop-in replacement for Flash-scaling purposes. All share the same PORTA–PORTJ mapping, peripheral pin assignments, and power/ground layout.
What is the Flash endurance rating for the MC9S12P32CFT?
The MC9S12P32CFT specifies 10,000 write/erase cycles for its 32 KB on-chip Flash memory, with ECC protection ensuring data integrity during each operation. Endurance is guaranteed over the full operating temperature range and qualifies the device for automotive infotainment and body control applications requiring field firmware updates.
MC9S12P32CFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-TFQFN Exposed Pad
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 34
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12P32CFT FAQ
1.How can I place an order for MC9S12P32CFT through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12P32CFT 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 MC9S12P32CFT reliable?
The price and inventory of MC9S12P32CFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12P32CFT is usually 5 days.
3.What payment methods are accepted for MC9S12P32CFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12P32CFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12P32CFT?
MC9S12P32CFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12P32CFT 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 MC9S12P32CFT?
For technical support, including MC9S12P32CFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12P32CFT requirements.
6.How does Aetrix verify that MC9S12P32CFT is sourced from the original manufacturer or authorized distributors?
All MC9S12P32CFT 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 MC9S12P32CFT meets industry standards.
7.What is the process for return or replacement of MC9S12P32CFT?
All MC9S12P32CFT units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12P32CFT, 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 MC9S12P32CFT part is unused and in its original packaging.
Return procedure for MC9S12P32CFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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