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NXP Semiconductors S9S12G240F0CLF
- Part No.:
- S9S12G240F0CLF
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12G240F0CLF.pdf
- Description:
- IC MCU 16BIT 240KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,737
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Product details
Overview
S9S12G240F0CLF from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 240 KB on-chip Flash with ECC, 12 KB RAM, 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 12-bit ADC (16-channel), 8-bit DAC, PWM, and BDM debug interface. It is used in engine control units (ECUs) for real-time sensor signal acquisition and actuator command execution.
For engineers reviewing the S9S12G240F0CLF datasheet, S9S12G240F0CLF pinout, S9S12G240F0CLF application, or S9S12G240F0CLF 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 S12 tools.
Technical Context
The S9S12G240F0CLF implements the S12 CPU12 core with 16-bit data path and von Neumann architecture, executing instructions from internal Flash or external memory via expanded multiplexed bus. Its clock system combines internal RC oscillator (1–8 MHz), external crystal input (up to 32 MHz), and PLL for scalable core frequencies up to 50 MHz.
Memory protection is enforced via background debug security lock and flash block write-protection registers. Peripheral integration includes dual CAN modules (MSCAN), 16-channel 12-bit ADC with configurable sample-and-hold, and 8-bit DAC with 5 V reference output - all accessible through dedicated memory-mapped registers and interrupt vectors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 24-bit address space and 16 MB linear memory map. |
| Flash Memory | 240 KB on-chip Flash with ECC, supporting in-application programming (IAP) and sector erase. |
| RAM | 12 KB on-chip SRAM, fully accessible during normal and wait modes. |
| Clock Frequency | Up to 50 MHz core frequency via PLL; supports crystal (1–32 MHz) or RC oscillator (1–8 MHz) sources. |
| ADC Resolution & Channels | 12-bit successive-approximation ADC with 16 analog inputs and programmable conversion timing. |
| CAN Interface | Dual MSCAN modules compliant with ISO 11898-1 (CAN 2.0B), each supporting 32 message buffers and hardware filtering. |
| Operating Temperature | -40°C to +125°C ambient, qualified per AEC-Q100 Grade 1 for automotive powertrain applications. |
| Debug Interface | Background Debug Module (BDM) with single-wire serial interface and full register visibility for real-time debugging. |
Pinout & Package
LQFP-80 package (12 × 12 mm, 0.5 mm pitch), RoHS-compliant, with thermal pad. Pin count and I/O assignment match MC9S12G240 family specification per Appendix D of Rev. 1.28 Reference Manual.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply rails | Separate digital (VDD), analog (VDDA), and PLL (VDDPLL) supplies enable noise isolation for mixed-signal operation. |
| VSS, VSSA, VSSPLL | Ground returns | Dedicated ground pins per supply domain minimize coupling between logic, analog, and clock circuitry. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode quartz crystals up to 32 MHz; internal load capacitors configurable via register. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; debounced externally for robust startup in noisy automotive environments. |
| PORTA[7:0] | General-purpose I/O / ADC inputs | 8-bit port with selectable pull-ups, slew-rate control, and shared ADC channel mapping (AD0–AD7). |
| PORTB[7:0] | General-purpose I/O / CAN TX/RX | Includes CAN0_TX, CAN0_RX, CAN1_TX, CAN1_RX on PB0–PB3; supports high-speed CAN transceiver interfacing. |
| PORTC[7:0] | General-purpose I/O / PWM outputs | Configurable as 8-channel PWM outputs (PWM0–PWM7); supports center-aligned and edge-aligned modes. |
| PORTD[7:0] | General-purpose I/O / SCI/SPI | Shares SCI0_TX/SCI0_RX, SPI_MOSI/SPI_MISO/SPI_SCK functions; supports full-duplex serial communication. |
| PORTJ[7:0] | General-purpose I/O / External bus | Provides upper address/data bus signals (AD15–AD8) for external memory expansion in expanded multiplexed mode. |
| BKGD | BDM debug interface | Single-pin bidirectional serial interface for programming, breakpoint insertion, and register read/write via BDM protocol. |
Key Features
| Feature | Design Value |
|---|---|
| ECC-enabled Flash | Single-bit error correction and double-bit error detection across entire 240 KB Flash array improves functional safety compliance. |
| Dual CAN 2.0B controllers | Independent MSCAN modules support concurrent CAN networks (e.g., powertrain + chassis) without CPU overhead. |
| 12-bit ADC with hardware triggers | 16-channel converter with programmable sample time, external trigger inputs (ETRIG0–ETRIG3), and scan sequencing. |
| On-chip voltage regulator | Integrated 5 V regulator powers internal analog blocks and external peripherals, reducing external component count. |
| AEC-Q100 Grade 1 qualification | Validated for automotive applications requiring operation from -40°C to +125°C with lifetime reliability testing. |
| Background Debug (BDM) | Standardized single-wire debug interface enables firmware updates, real-time variable monitoring, and non-intrusive breakpoints. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time acquisition of crankshaft position, throttle angle, and oxygen sensor signals; closed-loop fuel injection and ignition timing calculation. IC Role / Device Role / Timing Role: Primary controller executing deterministic control algorithms with sub-100 µs interrupt latency and synchronized ADC sampling. Use Value: 240 KB Flash accommodates complex calibration tables and diagnostic routines; dual CAN enables communication with body control module and instrument cluster. |
Use Scenario: Monitoring turbine speed, oil temperature, and solenoid valve status; managing gear shift logic and torque converter clutch engagement. IC Role / Device Role / Timing Role: Safety-critical timing controller with watchdog supervision, redundant sensor input validation, and fail-safe output management. Use Value: AEC-Q100 Grade 1 rating ensures reliability under thermal stress; 12 KB RAM supports real-time state machine execution and fault logging buffer. |
| Electric Power Steering (EPS) | Brake-by-Wire Actuator Controller |
Use Scenario: Sampling torque sensor and motor current feedback; computing assist torque and driving three-phase inverter gate drivers. IC Role / Device Role / Timing Role: High-integrity motion controller with PWM generation synchronized to rotor position and ADC sampling. Use Value: 8-bit DAC provides precise reference voltage for current sensing amplifiers; BDM interface enables field firmware updates without disassembly. |
Use Scenario: Receiving brake pedal position and vehicle speed signals; commanding hydraulic pressure valves with redundancy checks. IC Role / Device Role / Timing Role: Fail-operational controller with dual-core lockstep not applicable, but leverages ECC Flash and memory protection unit for ASIL-B compliance. Use Value: Separate VDDA/VSSA rails reduce noise coupling into critical analog inputs; CAN interfaces support ISO 26262-compliant diagnostics transport layer. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G192F0CLF | 192 KB Flash, identical peripheral set and pinout; same LQFP-80 package and AEC-Q100 Grade 1 rating. | Lower Flash capacity limits calibration table depth and diagnostic log storage; suitable for cost-sensitive ECUs with reduced feature sets. | Select when application firmware fits within 192 KB and no future Flash expansion is required. |
| S9S12G240F1CLF | Same 240 KB Flash and peripherals, but rated for -40°C to +105°C (Grade 2) instead of +125°C (Grade 1). | Not qualified for under-hood powertrain locations exceeding +105°C; acceptable for cabin or chassis modules with lower thermal stress. | Choose only if ambient temperature remains ≤ +105°C and Grade 1 qualification is unnecessary. |
Compared with S9S12G192F0CLF and S9S12G240F1CLF, the S9S12G240F0CLF uniquely delivers maximum Flash capacity *and* extended temperature qualification in the same LQFP-80 footprint - enabling full-featured ECU designs without thermal derating or memory constraints.
Availability
S9S12G240F0CLF is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake-by-wire actuators requiring stable component supply across automotive production lifecycles.
Supply support for S9S12G240F0CLF 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 S9S12G240F0CLF belongs to the MC9S12G family - a line of AEC-Q100-qualified 16-bit microcontrollers designed specifically for cost-sensitive, high-reliability automotive powertrain and chassis applications.
FAQ
What is the maximum operating frequency of the S9S12G240F0CLF?
The S9S12G240F0CLF achieves a maximum core frequency of 50 MHz using its internal PLL with an external crystal up to 32 MHz or internal RC oscillator. This frequency is sustained across the full -40°C to +125°C operating range and is validated per AEC-Q100 Grade 1 requirements. The S9S12G240F0CLF maintains deterministic instruction timing at this rate, enabling hard real-time control loops in engine management systems.
Does the S9S12G240F0CLF support CAN FD?
No, the S9S12G240F0CLF integrates two legacy MSCAN modules compliant with ISO 11898-1 (Classical CAN 2.0B), supporting data rates up to 1 Mbps and 29-bit identifiers. It does not implement CAN FD physical layer or protocol enhancements such as flexible data-rate or extended payload. For CAN FD requirements, designers must select newer NXP S32K or SPC5 families - the S9S12G240F0CLF is intended for established Classical CAN architectures.
Is the S9S12G240F0CLF pin-compatible with other MC9S12G devices?
Yes, the S9S12G240F0CLF in LQFP-80 package shares identical pinout, signal mapping, and power/ground assignments with other MC9S12G family members in the same package option (e.g., S9S12G192F0CLF, S9S12G128F0CLF). This allows PCB reuse across variants differing only in Flash/RAM size - provided external circuitry (e.g., crystal load, reset timing) matches the selected variant's electrical specifications.
What debug tools are compatible with the S9S12G240F0CLF?
The S9S12G240F0CLF uses the standard Background Debug Module (BDM) interface, supported by NXP's Cyclone Pro and Multilink Universal debug probes, as well as third-party tools from PEmicro and SEGGER (via BDM firmware add-ons). It is fully compatible with CodeWarrior Development Studio for S12(X) and S32DS for S12, enabling flash programming, real-time variable watch, and hardware breakpoint debugging without requiring JTAG.
How is Flash memory protected against unintended writes on the S9S12G240F0CLF?
The S9S12G240F0CLF implements multiple Flash protection mechanisms: (1) Block protection bits in FPROT registers disable erase/write for designated 2 KB sectors; (2) Security byte in Flash configuration field prevents unauthorized access after programming; (3) BDM interface disables Flash programming when security is enabled. These features ensure robust IP protection and prevent field corruption - critical for certified automotive software deployments where the S9S12G240F0CLF is deployed.
S9S12G240F0CLF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- 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:
S9S12G240F0CLF FAQ
1.How can I place an order for S9S12G240F0CLF through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G240F0CLF 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 S9S12G240F0CLF reliable?
The price and inventory of S9S12G240F0CLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G240F0CLF is usually 5 days.
3.What payment methods are accepted for S9S12G240F0CLF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G240F0CLF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G240F0CLF?
S9S12G240F0CLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G240F0CLF 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 S9S12G240F0CLF?
For technical support, including S9S12G240F0CLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G240F0CLF requirements.
6.How does Aetrix verify that S9S12G240F0CLF is sourced from the original manufacturer or authorized distributors?
All S9S12G240F0CLF 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 S9S12G240F0CLF meets industry standards.
7.What is the process for return or replacement of S9S12G240F0CLF?
All S9S12G240F0CLF units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G240F0CLF, 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 S9S12G240F0CLF part is unused and in its original packaging.
Return procedure for S9S12G240F0CLF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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