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NXP Semiconductors S9S12P128J0MFT
- Part No.:
- S9S12P128J0MFT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-TFQFN Exposed Pad
- Datasheet:
-
S9S12P128J0MFT.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 48QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,205
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Product details
Overview
S9S12P128J0MFT from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 128 KB on-chip Flash with ECC, 8 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz core frequency, supports 5V operation, and includes 10-bit ADC with 16 channels, 8-channel PWM, and background debug interface. It targets automotive body control modules requiring robust real-time control and CAN network integration.
For engineers reviewing the S9S12P128J0MFT datasheet, S9S12P128J0MFT pinout, S9S12P128J0MFT application, or S9S12P128J0MFT equivalent, key selection criteria include its 112-pin LQFP package, 5V tolerant I/O, CAN transceiver compatibility, and support for BDM-based flash programming and runtime debugging in production environments.
Technical Context
The S9S12P128J0MFT 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 subsystem includes banked Flash with error correction, configurable RAM mapping, and flexible memory protection via MMU-like control registers in the S12PMMCV1 module.
Real-time peripheral integration includes dual SCI modules, SPI, MSCAN with message buffers and acceptance filtering, 16-bit timer with input capture/output compare, and ATD12B10C ADC with external trigger synchronization. Clock management uses internal RC oscillator, external crystal (1–8 MHz), and PLL for scalable system clock generation up to 25 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit CISC core with 24-bit addressing; enables deterministic interrupt latency and efficient code density for embedded control. |
| Flash Memory | 128 KB on-chip Flash with ECC and 1K EEPROM emulation; supports in-circuit reprogramming and field firmware updates. |
| RAM | 8 KB on-chip SRAM; mapped into linear address space for fast variable access and stack operations. |
| Max Core Frequency | 25 MHz; achieved via PLL multiplication of external crystal or internal RC source, enabling real-time response in motor control loops. |
| ADC Resolution & Channels | 10-bit successive approximation ADC with 16 input channels and programmable sample time; suitable for sensor signal acquisition in automotive HVAC and lighting systems. |
| PWM Outputs | 8-channel 8-bit PWM with center-aligned and edge-aligned modes; supports motor phase control and LED dimming with dead-time insertion capability. |
| CAN Interface | One MSCAN 2.0B-compliant controller with 15 message buffers and hardware ID filtering; enables direct connection to vehicle CAN backbone without external transceiver logic. |
Pinout & Package
Package: 112-pin LQFP (16 × 16 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate digital, analog, and PLL power domains enable noise isolation for ADC and clock stability. |
| VSS, VSSA | Ground returns | Dedicated analog ground pin minimizes coupling between digital switching noise and precision analog measurements. |
| XTAL, EXTAL | External crystal oscillator terminals | Supports 1–8 MHz fundamental-mode crystals; used as reference for PLL and system clock generation. |
| CANH, CANL | CAN differential bus interface | Direct connection to physical CAN transceiver; requires external high-speed transceiver (e.g., TJA1042) for bus compliance. |
| PORTA–PORTJ, PORTAD | General-purpose I/O ports | Configurable as digital input/output, peripheral function multiplex (SCI/SPI/PWM), or analog input (PORTAD); 5V-tolerant on most pins. |
| BKGD | Background Debug serial interface | Single-wire BDM interface for non-intrusive flash programming, breakpoint setting, and register inspection during development and service. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | Prevents silent data corruption in safety-critical automotive applications by detecting and correcting single-bit errors during read cycles. |
| Integrated MSCAN Module | Reduces BOM count and PCB footprint by eliminating need for external CAN protocol controller; supports full CAN 2.0B frame handling and automatic retransmission. |
| Background Debug (BDM) | Enables in-system flash programming and real-time debugging without halting CPU execution-critical for validating timing-critical control algorithms. |
| 5V Operation & I/O Tolerance | Eliminates level-shifting components when interfacing with legacy automotive sensors and actuators operating at 5V logic levels. |
| Low-Power Stop/Wait Modes | Reduces current consumption to <10 µA in Stop mode with wake-up via CAN, SCI, or external interrupt-essential for battery-powered modules. |
Applications
| Body Control Module (BCM) | Seat Position Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and interior lighting in modern passenger vehicles. IC Role / Device Role / Timing Role: Main system controller coordinating CAN messages from switches/sensors and driving relay/LED outputs with precise timing. Use Value: Integrated CAN, PWM, and 5V I/O eliminate external level shifters and protocol ICs, reducing component count and board area by ~12% versus discrete solutions. |
Use Scenario: Motorized seat adjustment with position feedback, memory recall, and collision detection. IC Role / Device Role / Timing Role: Real-time motor control unit managing H-bridge drivers, reading potentiometer/encoder signals, and communicating seat status over CAN. Use Value: 16-channel ADC supports simultaneous sampling of multiple position sensors; 8-channel PWM enables independent control of dual motors with synchronized dead-time management. |
| Roof Module (Sunroof/Convertibles) | Trunk/Liftgate Actuator |
Use Scenario: Safety-critical sunroof open/close control with pinch detection, rain sensing, and anti-jam logic. IC Role / Device Role / Timing Role: Dedicated actuator controller monitoring current sense ADC inputs and generating responsive PWM drive signals with hardware fault shutdown. Use Value: On-chip voltage regulator (VREG) supplies clean 5V to external sensors; built-in COP watchdog ensures fail-safe motor stop within 100 ms of software hang. |
Use Scenario: Powered liftgate with obstacle detection, soft-close, and remote activation via CAN command. IC Role / Device Role / Timing Role: System-on-module controller handling CAN command parsing, motor direction/torque control, and Hall-effect position tracking. Use Value: 10-bit ADC resolution provides sub-millimeter position accuracy; CAN message buffering prevents command loss during high-bus-load conditions typical in rear-end modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XDP512 | Enhanced XGATE co-processor, 512 KB Flash, 32 KB RAM, dual CAN, but larger 144-pin LQFP package. | Targeted at higher-complexity gateway or ADAS-adjacent modules requiring parallel processing offload. | Select when needing >128 KB Flash, dual CAN, or XGATE acceleration for time-critical signal preprocessing. |
| S912XEQ512F0MLF | Same core family, 512 KB Flash, 32 KB RAM, enhanced EMI performance, qualified to AEC-Q100 Grade 1 (−40°C to +125°C). | Required for under-hood applications exceeding 105°C ambient or demanding extended temperature qualification. | Choose for engine bay placement or when AEC-Q100 Grade 1 certification is mandatory for production release. |
Compared with MC9S12XDP512 and S912XEQ512F0MLF, the S9S12P128J0MFT offers optimal cost-performance balance for cabin-mounted modules where 128 KB Flash, single CAN, and 112-pin footprint meet functional requirements without over-engineering.
Availability
S9S12P128J0MFT is available at Aetrix Electronics and suitable for automotive body electronics, seat control systems, and roof module designs requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for S9S12P128J0MFT 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 dating to Motorola's original 68HC11.
The S12P family-including S9S12P128J0MFT-is designed specifically for cost-sensitive, safety-aware automotive body electronics applications requiring CAN integration, robust flash reliability, and proven field longevity.
FAQ
What is the maximum operating temperature range for the S9S12P128J0MFT?
The S9S12P128J0MFT is rated for operation from −40°C to +105°C and is qualified to AEC-Q100 Grade 2. This makes it suitable for cabin-mounted automotive modules such as door controllers and seat modules where ambient temperatures remain below 105°C. The device includes thermal monitoring circuitry that triggers reset if junction temperature exceeds safe limits, ensuring reliable behavior in thermally stressed environments.
Does the S9S12P128J0MFT support in-circuit debugging without halting program execution?
Yes, the S9S12P128J0MFT integrates the Background Debug Module (BDM), which allows non-intrusive flash programming, register inspection, and breakpoint setting via the single-wire BKGD pin. While breakpoints cause temporary CPU halts, real-time tracing and memory reads/writes can occur during active execution, enabling validation of timing-critical control loops without disrupting system behavior.
Can the S9S12P128J0MFT directly drive a CAN transceiver without external level-shifting components?
Yes, the S9S12P128J0MFT's MSCAN module outputs standard CMOS logic levels compatible with industry-standard high-speed CAN transceivers such as the TJA1042 or SN65HVD230. No level-shifting circuitry is required between the MCU's CANH/CANL pins and the transceiver's TXD/RXD interface-only passive termination resistors and proper PCB layout per ISO 11898-2 are needed.
How does the on-chip ECC in the S9S12P128J0MFT improve functional safety compliance?
The S9S12P128J0MFT implements single-bit error correction and double-bit error detection (SEC-DED) across its 128 KB Flash array. This mitigates risks of latent memory corruption in ASIL-B–level systems by automatically correcting bit flips caused by alpha particles or voltage transients-reducing FIT rate and supporting ISO 26262 diagnostic coverage requirements without external error-handling firmware overhead.
Is the S9S12P128J0MFT pin-compatible with other members of the S12P family?
Yes, the S9S12P128J0MFT shares identical pinout and electrical characteristics with other 112-pin LQFP variants in the S12P family, including S9S12P96J0MFT and S9S12P64J0MFT. This enables hardware reuse across product tiers-e.g., using the same PCB for 64 KB, 96 KB, or 128 KB Flash versions-while maintaining identical layout, routing, and test fixtures.
S9S12P128J0MFT 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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12P128J0MFT FAQ
1.How can I place an order for S9S12P128J0MFT through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12P128J0MFT 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 S9S12P128J0MFT reliable?
The price and inventory of S9S12P128J0MFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12P128J0MFT is usually 5 days.
3.What payment methods are accepted for S9S12P128J0MFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12P128J0MFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12P128J0MFT?
S9S12P128J0MFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12P128J0MFT 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 S9S12P128J0MFT?
For technical support, including S9S12P128J0MFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12P128J0MFT requirements.
6.How does Aetrix verify that S9S12P128J0MFT is sourced from the original manufacturer or authorized distributors?
All S9S12P128J0MFT 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 S9S12P128J0MFT meets industry standards.
7.What is the process for return or replacement of S9S12P128J0MFT?
All S9S12P128J0MFT units undergo pre-shipment inspection (PSI). If there is an issue with S9S12P128J0MFT, 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 S9S12P128J0MFT part is unused and in its original packaging.
Return procedure for S9S12P128J0MFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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