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NXP Semiconductors S9S12G240F0CLFR
- Part No.:
- S9S12G240F0CLFR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12G240F0CLFR.pdf
- Description:
- IC MCU 16BIT 240KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,055
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Product details
Overview
S9S12G240F0CLFR from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 240 KB on-chip Flash with ECC, 12 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 50 MHz core frequency, supports -40°C to +125°C ambient temperature, and includes 10-bit ADC (16-channel), 8-channel PWM, and background debug interface. It is deployed in engine control units for real-time sensor signal acquisition and actuator command execution.
For engineers reviewing the S9S12G240F0CLFR datasheet, S9S12G240F0CLFR pinout, S9S12G240F0CLFR application, or S9S12G240F0CLFR equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, CAN bus integration, Flash memory size, operating temperature range, and debug interface compatibility with standard BDM tools.
Technical Context
The S9S12G240F0CLFR implements the S12 CPU12 core with 16-bit data path and von Neumann architecture, executing instructions from on-chip Flash or external memory via expanded multiplexed bus. Its clock system combines internal RC oscillator (1–8 MHz), external crystal input (1–33 MHz), and PLL for stable 50 MHz operation.
It integrates dedicated peripherals including Scalable CAN (MSCAN), 16-bit Timer (TIM), Serial Communication Interface (SCI), Serial Peripheral Interface (SPI), and analog subsystems (ADC10B16CV2, ACMPV1, DAC_8B5V). Memory protection is enforced via security module (S12XS9SECV2) with flash lock/unlock and backdoor access prevention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 50 MHz max bus speed - enables deterministic real-time control loops with ≤1 µs interrupt latency. |
| Flash Memory | 240 KB on-chip Flash with ECC - supports robust firmware storage and runtime error correction for automotive safety-critical code. |
| RAM | 12 KB on-chip SRAM - sufficient for stack, heap, and real-time variable buffers in ECU applications without external memory. |
| ADC | 10-bit, 16-channel SAR ADC with 12 µs conversion time - provides precise analog sensor sampling (e.g., throttle position, coolant temp) with hardware-triggered sequencing. |
| CAN Interface | Scalable CAN 2.0B compliant module (MSCANV3) - enables ISO 11898-1 communication at up to 1 Mbps for vehicle network integration. |
| Operating Temperature | -40°C to +125°C ambient - qualified per AEC-Q100 Grade 1, suitable for under-hood engine management environments. |
| Package | 112-pin LQFP (16 × 16 mm, 0.4 mm pitch) - compatible with standard surface-mount reflow processes and automotive PCB thermal requirements. |
Pinout & Package
Package: 112-pin LQFP (Leadless Quad Flat Package), 16 mm × 16 mm body, 0.4 mm lead pitch, exposed thermal pad (EP), RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Separate domains for digital logic (VDD), analog circuitry (VDDA), and external bus interface (VDDX) - enable noise isolation and mixed-signal integrity. |
| VSS, VSSA, VSSX | Ground returns | Dedicated ground planes per power domain reduce coupling noise and improve ADC accuracy and bus signal integrity. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external watchdog or power-on reset assertion - ensures safe initialization after brownout or startup. |
| CLKOUT | System clock output | Provides buffered 50 MHz clock for trace/debug tools or synchronizing external peripherals - eliminates need for secondary oscillator. |
| RX0/TX0 | SCI0 serial I/O | Full-duplex UART interface for diagnostics, bootloader communication, or parameter upload - supports LIN physical layer via software configuration. |
| CANRX/CANTX | CAN transceiver interface | Differential CAN bus pins directly connect to external transceiver (e.g., TJA1042) - no level-shifting required; supports dominant/recessive bit timing per ISO 11898. |
| AD0–AD15 | Analog input channels | 16 multiplexed ADC inputs supporting single-ended or differential modes - configurable for sensor voltage, current shunt, or thermistor networks. |
| PT0–PT7 | Timer channel outputs | 8 independent PWM-capable pins with programmable duty cycle and dead-time insertion - drive fuel injectors, ignition coils, or fan controllers. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 240 KB Flash with single-bit error correction and double-bit error detection - prevents silent corruption of control algorithms during long-term operation. |
| Integrated MSCAN Module | Hardware-accelerated CAN 2.0B controller with 16 message buffers and flexible acceptance filtering - offloads CPU from protocol handling and reduces jitter in message scheduling. |
| Background Debug (BDM) | Single-wire BDM interface (BKGD pin) supporting full-speed debugging, flash programming, and real-time register inspection - enables in-vehicle firmware updates and field diagnostics. |
| 10-bit 16-channel ADC | Configurable sample-and-hold with hardware trigger synchronization to timer or PWM events - ensures precise phase-aligned sensor capture for closed-loop combustion control. |
| AEC-Q100 Grade 1 Qualification | Validated for -40°C to +125°C operation with HTOL, TC, ESD, and EMC testing - meets functional safety requirements for ASIL-B systems without additional derating. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time monitoring of crankshaft position, oxygen sensors, and throttle angle to compute optimal fuel injection timing and spark advance. IC Role / Device Role / Timing Role: Primary control MCU executing deterministic control loops at 10 ms intervals with sub-microsecond interrupt response. Use Value: 240 KB Flash accommodates complex calibration tables and diagnostic routines; CAN interface enables seamless integration into vehicle CAN backbone. |
Use Scenario: Closed-loop control of solenoid valves and clutch pressure based on turbine speed, oil temperature, and gear selector position. IC Role / Device Role / Timing Role: Safety-critical actuator driver with dual-core lockstep not required, but supported by ECC Flash and watchdog supervision. Use Value: 12 KB SRAM buffers real-time torque calculations; 16-channel ADC acquires multiple sensor inputs simultaneously with hardware triggering. |
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|
Use Scenario: Centralized management of lighting, door locks, window motors, and HVAC actuators across distributed LIN nodes. IC Role / Device Role / Timing Role: Network gateway and local decision node coordinating CAN/LIN traffic and executing state-machine logic. Use Value: Integrated SCI and SPI support LIN transceivers and EEPROM/flash storage; low-power stop mode extends battery life during vehicle sleep. |
Use Scenario: Torque assist computation using steering angle, motor current, and vehicle speed to deliver responsive, fail-safe steering assistance. IC Role / Device Role / Timing Role: Real-time motor controller with PWM generation, current sensing, and fault reporting over CAN. Use Value: 8-channel PWM with complementary outputs drives 3-phase inverter; AEC-Q100 Grade 1 ensures reliability in high-vibration steering column environment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G192F0CLFR | 192 KB Flash, identical peripheral set and package - 50 KB smaller program memory. | Suitable for less complex ECUs with reduced calibration table depth or fewer diagnostic features. | Select when firmware footprint is confirmed ≤192 KB and no future expansion is planned. |
| MC9S12XEP100MALR | XEP family, 1 MB Flash, 50 MHz, enhanced CAN FD support, larger RAM - different core (S12X), non-pin-compatible. | Targeted at next-generation platforms requiring CAN FD, larger code space, or higher ASIL compliance. | Choose only for new designs needing CAN FD or >240 KB Flash; requires PCB and firmware redesign. |
Compared with S9S12G192F0CLFR, the S9S12G240F0CLFR provides 50 KB additional Flash for extended diagnostics and calibration flexibility; versus MC9S12XEP100MALR, it offers drop-in replacement capability within existing S12G-based hardware while maintaining AEC-Q100 Grade 1 compliance and toolchain continuity.
Availability
S9S12G240F0CLFR is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and body control modules requiring stable component supply across automotive production lifecycles.
Supply support for S9S12G240F0CLFR 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The S9S12G240F0CLFR belongs to NXP's legacy S12G microcontroller product line, designed specifically for cost-sensitive, high-reliability automotive powertrain and chassis applications requiring AEC-Q100 qualification and long-term supply stability.
FAQ
What is the maximum operating frequency of the S9S12G240F0CLFR?
The S9S12G240F0CLFR achieves a maximum bus frequency of 50 MHz using its internal Phase-Locked Loop (IPLL) with external crystal or internal RC oscillator as reference. This frequency is sustained across the full -40°C to +125°C operating range and is validated per AEC-Q100 Grade 1 requirements. The core executes instructions at this bus speed, enabling deterministic real-time performance in engine control applications.
Does the S9S12G240F0CLFR support CAN FD?
No, the S9S12G240F0CLFR integrates the Scalable Controller Area Network (MSCAN) module compliant with CAN 2.0B only, supporting data rates up to 1 Mbps with 11-bit identifiers. It does not implement CAN FD features such as flexible data-rate or extended frame formats. For CAN FD capability, designers must consider NXP's S32K or newer S12XE families, not the S12G series.
What debug interface does the S9S12G240F0CLFR use?
The S9S12G240F0CLFR uses the Background Debug Mode (BDM) interface via the BKGD pin, supporting single-wire communication for flash programming, real-time register inspection, breakpoint setting, and full-speed debugging. It is compatible with standard BDM probes (e.g., P&E Micro Cyclone PRO) and NXP's CodeWarrior development environment - no JTAG port is present.
Is the S9S12G240F0CLFR pin-compatible with other S12G family members?
Yes, the S9S12G240F0CLFR in the 112-pin LQFP package shares identical pinout with other S12G variants in the same package option (e.g., S9S12G192F0CLFR, S9S12G128F0CLFR), including matching signal assignments for VDD/VSS, CANRX/CANTX, ADC inputs, and PWM outputs. This allows hardware reuse across firmware variants with differing Flash sizes.
What is the purpose of the VDDA and VSSA pins on the S9S12G240F0CLFR?
The VDDA and VSSA pins supply dedicated power and ground to the analog subsystem - including the 10-bit ADC, analog comparators, and DAC - isolating sensitive analog circuitry from digital switching noise. This separation improves ADC effective resolution (ENOB) and reduces measurement drift, especially critical for precision engine sensor readings like MAP or O2 voltage.
S9S12G240F0CLFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 12V1
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, IrDA, LINbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 240KB (240K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 11K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12G240F0CLFR FAQ
1.How can I place an order for S9S12G240F0CLFR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G240F0CLFR 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 S9S12G240F0CLFR reliable?
The price and inventory of S9S12G240F0CLFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G240F0CLFR is usually 5 days.
3.What payment methods are accepted for S9S12G240F0CLFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G240F0CLFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G240F0CLFR?
S9S12G240F0CLFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G240F0CLFR 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 S9S12G240F0CLFR?
For technical support, including S9S12G240F0CLFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G240F0CLFR requirements.
6.How does Aetrix verify that S9S12G240F0CLFR is sourced from the original manufacturer or authorized distributors?
All S9S12G240F0CLFR 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 S9S12G240F0CLFR meets industry standards.
7.What is the process for return or replacement of S9S12G240F0CLFR?
All S9S12G240F0CLFR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G240F0CLFR, 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 S9S12G240F0CLFR part is unused and in its original packaging.
Return procedure for S9S12G240F0CLFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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