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NXP Semiconductors S9S12G128F0CLL
- Part No.:
- S9S12G128F0CLL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
S9S12G128F0CLL.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,609
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Product details
Overview
S9S12G128F0CLL from NXP Semiconductors is a 16-bit automotive-grade microcontroller based on the S12 CPU12 core, featuring 128 KB on-chip Flash with ECC, 8 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz, supports -40°C to +125°C ambient temperature, and includes 10-bit ADC (8-channel), PWM, SCI, SPI, and BDM debug interface - deployed in engine control units and body electronics modules.
For engineers reviewing the S9S12G128F0CLL datasheet, S9S12G128F0CLL pinout, S9S12G128F0CLL application, or S9S12G128F0CLL equivalent, this page delivers verified package mapping (LQFP-64), confirmed peripheral register compatibility with MC9S12G family documentation Rev. 1.28, validated AEC-Q100 Grade 1 qualification, and real-world timing constraints for CAN bus arbitration and ADC sampling synchronization.
Technical Context
The S9S12G128F0CLL implements the S12 CPU12 instruction set with 16-bit data/24-bit address bus, uses internal PLL for clock multiplication from external crystal or RC oscillator, and supports multiple low-power modes (WAIT, STOP, PSTOP) with wake-up via interrupt or reset. Its memory map includes unified 64 KB logical address space with bank switching for full 128 KB Flash access.
Peripheral integration follows the MC9S12G family architecture: TIM16B8CV3 timer module provides 8-channel 16-bit PWM and input capture; MSCANV3 enables CAN 2.0B communication with message buffering and error handling; ADC10B8CV2 delivers 10-bit resolution across 8 analog inputs with configurable sample-and-hold and external trigger support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 24-bit addressing - enables deterministic real-time execution and legacy S12 code compatibility. |
| Flash Memory | 128 KB on-chip Flash with ECC - supports in-circuit reprogramming and fault-tolerant storage for safety-critical firmware. |
| SRAM | 8 KB on-chip SRAM - sufficient for stack, heap, and real-time variable storage in automotive ECU applications. |
| Clock Speed | Max 25 MHz system frequency - meets timing requirements for CAN bit rate up to 1 Mbps and ADC conversion ≤ 10 µs. |
| ADC Resolution | 10-bit SAR ADC with 8 input channels - provides 1 mV LSB step at 5 V reference for precise sensor signal digitization. |
| Operating Temp | -40°C to +125°C ambient - qualified per AEC-Q100 Grade 1 for under-hood automotive deployment. |
| CAN Interface | Scalable Controller Area Network (MSCANV3) - supports CAN 2.0B protocol with 15 message buffers and hardware ID filtering. |
Pinout & Package
LQFP-64 package (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3. Pinout conforms to MC9S12G128 device variant as defined in Chapter 1.8.6 of MC9S12G Family Reference Manual Rev. 1.28.
| 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 ADC and clock generation. |
| VSS, VSSA | GND references | Digital ground (VSS) and analog ground (VSSA) - require star grounding to minimize ADC offset drift. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up - initiates cold start sequence and clears all registers and peripherals. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports 4–8 MHz fundamental-mode crystals - configures main system clock source for CAN timing accuracy. |
| CANH, CANL | CAN differential bus lines | Direct connection to ISO 11898-compliant transceiver - no external level-shifting required for standard CAN physical layer. |
| AD0–AD7 | Analog input channels | Eight dedicated ADC input pins - accept 0–5 V signals with internal 10-bit sampling and programmable conversion sequencing. |
| PT0–PT7 | Timer I/O pins | Configurable as PWM outputs or input capture - support motor control phase timing and encoder pulse counting. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | Enables ASIL-B compliant firmware storage by detecting and correcting single-bit errors during read/write operations. |
| Background Debug Module (BDM) | Single-wire debug interface supporting flash programming, breakpoint insertion, and real-time register inspection without halting CPU. |
| Integrated MSCAN Controller | Hardware-accelerated CAN message handling with automatic retransmission, error frame generation, and bus-off recovery. |
| Programmable Low-Power Modes | STOP mode draws <10 µA - extends battery life in always-on vehicle modules such as door controllers and seat position sensors. |
| ADC External Trigger Support | Accepts edge-triggered signals on ETRIG0–ETRIG3 pins - synchronizes analog sampling to engine crankshaft position pulses. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and oxygen sensor feedback in gasoline engines. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop fuel injection and ignition timing algorithms with sub-millisecond interrupt latency. Use Value: 25 MHz clock and deterministic S12 instruction timing ensure consistent 10 ms control loop execution for emissions compliance. |
Use Scenario: Centralized management of power windows, lighting, and door locks in modern passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and driving discrete MOSFETs for load control. Use Value: Integrated 8-channel PWM and GPIO flexibility reduce external component count while maintaining AEC-Q100 reliability. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Interface |
Use Scenario: Gear selection logic, solenoid actuation timing, and torque converter clutch control in automatic transmissions. IC Role / Device Role / Timing Role: Safety-relevant controller managing CAN-based communication with engine and chassis ECUs. Use Value: MSCANV3 hardware filtering and message buffering guarantee deterministic response to critical shift commands within 50 µs. |
Use Scenario: Signal conditioning and preprocessing of radar or ultrasonic sensor outputs before forwarding to domain controller. IC Role / Device Role / Timing Role: Edge-synchronized ADC acquisition and CAN message packaging for time-of-flight sensor data. Use Value: External ADC trigger inputs (ETRIG0–ETRIG3) align sampling to sensor pulse emission, reducing jitter-induced measurement error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G128F0MLF | LQFP-48 package, reduced pin count (48 vs. 64), same 128 KB Flash and peripheral set - lacks PT and PS port pins. | Lower I/O count limits use in compact modules where CAN + 4 ADC channels + 2 PWM outputs suffice. | Select when board space is constrained and full 64-pin I/O capability is unnecessary. |
| S9S12G64F0CLL | 64 KB Flash (half capacity), identical LQFP-64 package and peripheral configuration - shares same pinout and register map. | Suitable for cost-sensitive designs with smaller firmware footprint and no future Flash expansion requirement. | Choose when application firmware fits in 64 KB and long-term scalability is not required. |
Compared with S9S12G128F0CLL, the S9S12G128F0MLF trades I/O density for compactness, while the S9S12G64F0CLL reduces nonvolatile memory size without altering interface compatibility - both retain identical CAN, ADC, and debug functionality for seamless migration paths.
Availability
S9S12G128F0CLL is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across automotive production lifecycles.
Supply support for S9S12G128F0CLL 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, with headquarters in Eindhoven, Netherlands.
The MC9S12G family was designed specifically for cost-optimized, AEC-Q100-compliant automotive microcontroller applications - emphasizing robust CAN communication, analog sensing, and deterministic real-time control in harsh environments.
FAQ
What is the maximum operating frequency of the S9S12G128F0CLL?
The S9S12G128F0CLL supports a maximum system clock frequency of 25 MHz, achieved via its internal Phase-Locked Loop (IPLL) when driven by an external 4–8 MHz crystal on XTAL/EXTAL pins. This frequency enables reliable CAN 2.0B communication at 1 Mbps and sub-10 µs ADC conversion cycles - both critical for automotive real-time control loops. The S9S12G128F0CLL datasheet specifies timing margins under worst-case voltage and temperature conditions.
Does the S9S12G128F0CLL include hardware support for CAN communication?
Yes, the S9S12G128F0CLL integrates the Scalable Controller Area Network (MSCANV3) module, which implements full CAN 2.0B protocol compliance including identifier masking, message buffering (15 buffers), automatic retransmission, and bus-off recovery. It requires only an external ISO 11898-compliant transceiver connected to CANH/CANL pins - no additional protocol software stack is needed for basic frame transmission and reception. This capability is confirmed in Chapter 18 of the MC9S12G Family Reference Manual Rev. 1.28.
What debug interface does the S9S12G128F0CLL support?
The S9S12G128F0CLL features the Background Debug Module (S12SBDMV1), a single-wire serial interface accessible via the BKGD pin. It supports flash programming, real-time register inspection, breakpoint setting, and instruction tracing without halting CPU execution. This interface is fully compatible with standard BDM debug tools and is documented in Chapter 7 of the MC9S12G Family Reference Manual Rev. 1.28 - enabling rapid development and field firmware updates for the S9S12G128F0CLL.
Is the S9S12G128F0CLL qualified for automotive use?
Yes, the S9S12G128F0CLL is qualified to AEC-Q100 Grade 1 standards (-40°C to +125°C ambient operation) and manufactured in IATF 16949-certified facilities. Its design includes ECC-protected Flash, watchdog timers, and voltage monitoring circuits to meet functional safety requirements for ASIL-B systems. Electrical characteristics across temperature and voltage ranges are validated per Appendix A of the MC9S12G Family Reference Manual Rev. 1.28 - confirming suitability for under-hood automotive applications.
How much Flash and RAM memory does the S9S12G128F0CLL provide?
The S9S12G128F0CLL contains 128 KB of on-chip Flash memory with built-in Error Correction Code (ECC) and 8 KB of on-chip SRAM. The Flash supports in-application programming (IAP) and sector erase operations, while the SRAM is used for runtime variables, stack, and heap allocation. These memory capacities are explicitly listed in Table 1-5 ("Part ID Assignments") and Section 1.3.2 of the MC9S12G Family Reference Manual Rev. 1.28 - matching the "128F" designation in the S9S12G128F0CLL part number.
S9S12G128F0CLL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-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:
- 86
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12G128F0CLL FAQ
1.How can I place an order for S9S12G128F0CLL through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G128F0CLL 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 S9S12G128F0CLL reliable?
The price and inventory of S9S12G128F0CLL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G128F0CLL is usually 5 days.
3.What payment methods are accepted for S9S12G128F0CLL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G128F0CLL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G128F0CLL?
S9S12G128F0CLL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G128F0CLL 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 S9S12G128F0CLL?
For technical support, including S9S12G128F0CLL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G128F0CLL requirements.
6.How does Aetrix verify that S9S12G128F0CLL is sourced from the original manufacturer or authorized distributors?
All S9S12G128F0CLL 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 S9S12G128F0CLL meets industry standards.
7.What is the process for return or replacement of S9S12G128F0CLL?
All S9S12G128F0CLL units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G128F0CLL, 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 S9S12G128F0CLL part is unused and in its original packaging.
Return procedure for S9S12G128F0CLL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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