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NXP Semiconductors S9S12G128F0CLLR
- Part No.:
- S9S12G128F0CLLR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
S9S12G128F0CLLR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,833
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Product details
Overview
S9S12G128F0CLLR 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), 8-bit DAC, PWM, and BDM debug interface - deployed in engine control units and transmission control modules.
For engineers reviewing the S9S12G128F0CLLR datasheet, S9S12G128F0CLLR pinout, S9S12G128F0CLLR application, or S9S12G128F0CLLR equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, CAN bus integration, Flash ECC support, and 100-pin LQFP package compatibility for automotive ECU designs requiring functional safety alignment.
Technical Context
The S9S12G128F0CLLR implements the legacy S12 CPU12 architecture with 16-bit data path and von Neumann memory model, executing instructions from internal Flash or external memory via expanded address bus. Its clock system combines internal RC oscillator (1–8 MHz), external crystal (1–32 MHz), and PLL for configurable system clock up to 25 MHz.
Peripheral integration includes a single MSCAN module compliant with ISO 11898-1, 8-channel 10-bit ADC with external trigger support, 8-bit DAC with 5 V reference, and 8-channel PWM with center-aligned and edge-aligned modes - all mapped into a unified memory space with bank-switching support for extended addressing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 16 MB linear address space and 25 MHz max frequency - enables deterministic real-time execution for automotive timing-critical tasks. |
| Flash Memory | 128 KB on-chip Flash with ECC and 100K write/erase cycles - ensures code integrity and longevity in harsh automotive environments. |
| RAM | 8 KB on-chip SRAM with retention during stop mode - supports low-power wake-up routines and context preservation. |
| ADC | 10-bit SAR ADC with 8 input channels, 12.5 µs conversion time, and selectable reference (VDD or external) - suitable for sensor signal acquisition in engine management. |
| CAN Interface | One MSCAN 2.0B module supporting 1 Mbit/s baud rate, message buffering, and error confinement - meets ISO 11898-1 for vehicle network communication. |
| Operating Temperature | -40°C to +125°C ambient (AEC-Q100 Grade 1 qualified) - validated for under-hood deployment without derating. |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad - provides mechanical robustness and thermal dissipation for high-reliability ECUs. |
Pinout & Package
Package: 100-pin LQFP (14 × 14 mm, 0.5 mm pitch), RoHS-compliant, with exposed thermal pad (EPAD) connected to VSS for enhanced thermal performance in automotive applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Separate digital (VDD), analog (VDDA), and external oscillator (VDDX) rails - reduce noise coupling between domains for stable ADC/DAC operation. |
| VSS, VSSA, VSSX | Ground returns | Dedicated digital (VSS), analog (VSSA), and oscillator (VSSX) grounds - enable star-ground layout to minimize ground bounce and reference drift. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external watchdog or power-on reset assertion - ensures deterministic initialization after brownout or ESD event. |
| CLKOUT | System clock output | Buffered copy of internal bus clock (BUSCLK) - used for external timing verification, scope triggering, or synchronizing auxiliary logic. |
| RXCAN / TXCAN | CAN transceiver interface | Differential CANH/CANL signals routed through internal MSCAN module - require external high-speed CAN transceiver (e.g., TJA1042) for physical layer compliance. |
| AD0–AD7 | Analog input channels | Eight dedicated ADC input pins with programmable gain and sample-and-hold - support direct connection to throttle position, coolant temperature, and oxygen sensors. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash ECC | Single-bit error correction and double-bit error detection per 64-bit word - prevents silent data corruption in safety-critical firmware storage. |
| Background Debug Module (BDM) | Single-wire debug interface with full read/write memory access and breakpoint support - enables in-circuit debugging without JTAG header footprint. |
| MSCAN Controller | Hardware message buffering (32-message FIFO), automatic retransmission, and bus-off recovery - reduces CPU overhead in CAN-based diagnostics and actuator control. |
| Low-Power Stop Mode | Current draw < 10 µA with RTC running and selected I/O retained - extends battery life in always-on vehicle subsystems like body control modules. |
| Programmable COP Watchdog | Configurable timeout (1 ms to 2.1 s) with windowed mode and reset/interrupt options - satisfies ASIL-B software monitoring requirements per ISO 26262. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and knock detection using crank/cam sensor inputs. IC Role / Device Role / Timing Role: Primary engine management MCU coordinating sensor acquisition, PID loop execution, and actuator drive via PWM and digital outputs. Use Value: 25 MHz CPU clock and deterministic interrupt latency (< 3.5 µs) ensure sub-degree spark timing accuracy at 8000 RPM. |
Use Scenario: Gear shift scheduling, clutch pressure modulation, and torque converter lockup control in automatic transmissions. IC Role / Device Role / Timing Role: Dedicated TCM controller interfacing with hydraulic solenoids, speed sensors, and CAN-based vehicle network. Use Value: Integrated MSCAN and 8-channel PWM enable synchronized solenoid drive and real-time gear state reporting without external protocol ICs. |
| Body Control Module (BCM) | Electric Power Steering (EPS) |
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC fan speed across multiple vehicle zones. IC Role / Device Role / Timing Role: Low-power BCM host managing LIN/CAN gateway functions and local I/O expansion. Use Value: Stop-mode current < 10 µA and wake-on-LIN/CAN capability allow continuous battery monitoring with minimal parasitic drain. |
Use Scenario: Torque assist computation, motor phase current sensing, and fault-safe shutdown in brushless EPS motors. IC Role / Device Role / Timing Role: Safety-oriented EPS controller performing ASIL-B torque calculation and dual-redundant current feedback processing. Use Value: Dual ADC sampling (simultaneous AD0/AD1) and hardware-triggered conversions ensure precise motor current measurement within 1 µs timing window. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G128F0MLLR | Same core, Flash, and peripherals but rated for -40°C to +105°C (Grade 2) and packaged in 100-pin QFP without EPAD. | Limited to cabin or non-under-hood applications where thermal margin is less constrained. | Select when cost sensitivity outweighs under-hood thermal requirements and no EPAD thermal enhancement is needed. |
| MC9S12G128MALR | Identical electrical specs but offered in 112-pin LQFP with additional I/O and CAN channel - discontinued by NXP as of 2021. | Supports dual-CAN topologies and higher I/O count for complex gateways or hybrid powertrain controllers. | Consider only for legacy redesigns with existing 112-pin PCB; new designs should use active S9S12G128F0CLLR due to supply continuity. |
Compared with S9S12G128F0MLLR, the S9S12G128F0CLLR delivers extended temperature operation and superior thermal performance via EPAD, while MC9S12G128MALR offers more I/O but lacks long-term availability - making S9S12G128F0CLLR the optimal balance of reliability, qualification, and supply assurance for new automotive ECU designs.
Availability
S9S12G128F0CLLR 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 S9S12G128F0CLLR 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 S9S12G128F0CLLR belongs to the MC9S12G family - a line of AEC-Q100 qualified 16-bit microcontrollers designed specifically for cost-sensitive, safety-aware automotive body and powertrain control applications.
FAQ
What is the maximum operating frequency of the S9S12G128F0CLLR?
The S9S12G128F0CLLR supports a maximum bus clock frequency of 25 MHz, achieved via its internal PLL locked to an external crystal 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 S9S12G128F0CLLR's CPU12 core executes most instructions in 1–3 bus cycles, enabling deterministic real-time response for automotive control loops.
Does the S9S12G128F0CLLR include hardware support for functional safety standards?
Yes, the S9S12G128F0CLLR includes multiple features aligned with ASIL-B requirements per ISO 26262: Flash memory with ECC, programmable COP watchdog with windowed mode, BDM debug interface for runtime verification, and voltage monitor with reset generation. While the S9S12G128F0CLLR itself is not ASIL-certified, its integrated safety mechanisms are used in production ASIL-B systems such as engine control units when combined with appropriate software safety measures.
Can the S9S12G128F0CLLR be programmed in-circuit without removing it from the PCB?
Yes, the S9S12G128F0CLLR supports in-circuit programming and debugging via its Background Debug Module (BDM) interface using a single-wire serial protocol. A standard BDM pod (e.g., PE Micro Cyclone PRO) connects to BKGD and RESET pins, allowing full flash erase/program, register inspection, and breakpoint execution without removing the S9S12G128F0CLLR from the target board - essential for automotive ECU calibration and field updates.
What are the key differences between the S9S12G128F0CLLR and the older MC9S12G128MALR?
The S9S12G128F0CLLR and MC9S12G128MALR share identical core architecture, Flash size, and peripheral sets, but differ in package (100-pin LQFP vs. 112-pin LQFP), thermal pad presence (EPAD included in S9S12G128F0CLLR), and product status (MC9S12G128MALR is obsolete per NXP PCN #2021-03). The S9S12G128F0CLLR also adds updated mask set revisions for improved yield and long-term supply stability.
Is the S9S12G128F0CLLR pin-compatible with other members of the MC9S12G family?
No - the S9S12G128F0CLLR uses a 100-pin LQFP package with specific pin assignments defined in Section 1.8.6 of the MC9S12G Family Reference Manual. While smaller-memory variants (e.g., S9S12G48) share the same pinout footprint, larger variants like S9S12G192 use different packages (112-pin or 144-pin) and are not pin-compatible. Always verify pin mapping against the exact variant's datasheet before PCB layout.
S9S12G128F0CLLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-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:
- 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:
S9S12G128F0CLLR FAQ
1.How can I place an order for S9S12G128F0CLLR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G128F0CLLR 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 S9S12G128F0CLLR reliable?
The price and inventory of S9S12G128F0CLLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G128F0CLLR is usually 5 days.
3.What payment methods are accepted for S9S12G128F0CLLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G128F0CLLR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G128F0CLLR?
S9S12G128F0CLLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G128F0CLLR 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 S9S12G128F0CLLR?
For technical support, including S9S12G128F0CLLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G128F0CLLR requirements.
6.How does Aetrix verify that S9S12G128F0CLLR is sourced from the original manufacturer or authorized distributors?
All S9S12G128F0CLLR 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 S9S12G128F0CLLR meets industry standards.
7.What is the process for return or replacement of S9S12G128F0CLLR?
All S9S12G128F0CLLR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G128F0CLLR, 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 S9S12G128F0CLLR part is unused and in its original packaging.
Return procedure for S9S12G128F0CLLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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