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NXP Semiconductors S9S12G128F0VLLR
- Part No.:
- S9S12G128F0VLLR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
S9S12G128F0VLLR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,399
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Product details
Overview
S9S12G128F0VLLR 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 +105°C ambient temperature, and includes 10-bit ADC (16-channel), 8-channel PWM, and background debug interface. It is deployed in engine control units, body electronics modules, and transmission control systems.
For engineers reviewing the S9S12G128F0VLLR datasheet, S9S12G128F0VLLR pinout, S9S12G128F0VLLR application, or S9S12G128F0VLLR equivalent, key selection criteria include AEC-Q100 Grade 2 qualification, CAN bus integration, Flash ECC support, and 105°C extended temperature operation - all confirmed for this specific variant.
Technical Context
The S9S12G128F0VLLR implements the legacy S12 CPU12 architecture with 16-bit data path and von Neumann memory model. Its clock system combines internal RC oscillator (1–8 MHz), external crystal input (up to 32 MHz), and PLL-based IPLL for stable 25 MHz core operation. Memory protection is enforced via security byte and BDM lock.
Peripheral integration follows modular S12G family design: MSCAN module supports full CAN 2.0B protocol with message buffering and error handling; ADC10B16CV2 provides 10-bit resolution across 16 analog inputs with configurable sample-and-hold; PWM8B8CV2 delivers eight independent 8-bit channels with center-aligned and edge-aligned modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 25 MHz max frequency - enables deterministic real-time control in safety-critical automotive functions. |
| Flash Memory | 128 KB on-chip Flash with ECC - ensures program integrity against single-bit errors in harsh EMI environments. |
| RAM | 8 KB on-chip SRAM - sufficient for stack, variables, and CAN message buffers in mid-complexity ECUs. |
| ADC | 10-bit, 16-channel SAR ADC with 12.5 µs conversion time - supports sensor signal acquisition for throttle position, coolant temperature, and pressure sensing. |
| CAN Interface | Scalable Controller Area Network (MSCAN) compliant with ISO 11898-1:2003 - enables robust multi-node vehicle network communication at up to 1 Mbps. |
| Operating Temperature | -40°C to +105°C (Grade 2 per AEC-Q100) - qualified for under-hood deployment without external thermal derating. |
| Package | 112-pin LQFP (16 × 16 mm, 0.4 mm pitch) - compatible with standard SMT reflow profiles and automotive PCB layout practices. |
Pinout & Package
Package: 112-pin LQFP (VLL suffix), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply rails | Separate digital (VDD), analog (VDDA), and external oscillator (VDDX) supplies - reduce noise coupling between domains. |
| VSS, VSSA, VSSX | GND references | Dedicated ground returns for digital logic, analog circuitry, and oscillator - critical for ADC accuracy and CAN 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. |
| PORTA[7:0] | General-purpose I/O / ADC channel inputs | Configurable as GPIO or analog inputs AD0–AD7 - supports flexible sensor interface mapping without external muxing. |
| PORTB[7:0] | PWM outputs / CAN TX/RX | Includes PWM0–PWM7 and CANL/CANH pins - enables direct drive of motor phases and native CAN bus connection. |
| PORTC[7:0] | SCI/SPI/Timer I/O | Supports SCI0/SCI1, SPI0, and TIM channels - allows serial diagnostics, flash programming, and timing-critical event capture. |
| PORTD[7:0] | Background Debug (BKGD) | Single-wire BDM interface - enables in-circuit debugging and flash programming using standard NXP BDM tools. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash ECC | Hardware-implemented single-bit error correction and double-bit error detection - eliminates need for external RAM/Flash scrubbing in ASIL-B designs. |
| AEC-Q100 Grade 2 | Qualified for -40°C to +105°C operation with lifetime reliability testing - meets automotive powertrain and chassis system requirements. |
| Integrated MSCAN | Full CAN 2.0B controller with 15 message buffers, programmable bit timing, and automatic retransmission - reduces BOM count vs. external CAN transceivers + controllers. |
| Background Debug Module (BDM) | Single-wire, non-intrusive debug interface supporting flash erase/write, register read/write, and breakpoint execution - accelerates ECU firmware validation. |
| 10-bit 16-channel ADC | Configurable sampling rate up to 80 kSPS with internal reference and PGA options - supports high-accuracy analog sensor interfacing without external signal conditioning. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Real-time management of fuel injection timing, spark advance, and idle speed control using crank/cam position sensors and oxygen feedback. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop combustion algorithms with sub-millisecond interrupt latency. Use Value: Integrated 25 MHz CPU, CAN bus, and 10-bit ADC enable deterministic sensor-to-actuator response within 500 µs - meeting ISO 26262 ASIL-B timing constraints. |
Use Scenario: Centralized control of door locks, window lifts, lighting sequences, and HVAC fan speed in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator managing multiple LIN/CAN sub-nodes and analog/digital I/O peripherals. Use Value: 128 KB Flash accommodates multi-feature firmware with OTA update capability; 8 KB SRAM supports concurrent CAN messaging and state machine execution. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) Controller |
|
Use Scenario: Gear shift scheduling, clutch pressure modulation, and torque converter lock-up control based on vehicle speed and throttle position. IC Role / Device Role / Timing Role: Safety-relevant actuator driver interfacing with solenoid valves and pressure sensors via PWM and ADC. Use Value: Hardware PWM with dead-time insertion and ADC synchronized trigger ensure precise hydraulic actuation timing - reducing mechanical wear and NVH. |
Use Scenario: Assist torque calculation and motor phase current regulation using steering angle, torque sensor, and motor encoder feedback. IC Role / Device Role / Timing Role: Real-time motor control MCU with fast ADC sampling and PWM generation for 3-phase inverter gate drivers. Use Value: 8-channel PWM with complementary output mode and ADC external trigger support enable synchronous current sampling and field-oriented control loop execution at 10 kHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G128F0MLLR | Same core, Flash, and peripherals but in 112-pin MAPBGA package (MLL suffix) - smaller footprint, higher I/O density, no exposed thermal pad. | Preferred for space-constrained PCBs where thermal dissipation is managed via internal layers; not suitable for manual rework or optical inspection. | Select when board area is constrained and automated assembly is used; verify thermal via design matches target junction temperature. |
| S9S12G96F0VLLR | Identical package and pinout but with 96 KB Flash and 6 KB SRAM - reduced memory capacity, otherwise identical peripheral set and qualification. | Applicable for cost-sensitive ECUs with simpler feature sets (e.g., basic HVAC or seat control) where 128 KB is unnecessary. | Choose for BOM cost reduction where firmware size remains below 96 KB and future feature expansion is not required. |
Compared with S9S12G128F0VLLR, the S9S12G128F0MLLR offers superior board-level integration at the expense of reworkability, while the S9S12G96F0VLLR provides identical functionality in a lower-cost variant - enabling tiered product development without hardware redesign.
Availability
S9S12G128F0VLLR is available at Aetrix Electronics and suitable for engine control units, body electronics modules, and transmission control systems requiring stable component supply across automotive production lifecycles.
Supply support for S9S12G128F0VLLR 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 applications.
The S9S12G128F0VLLR belongs to the MC9S12G family - a mature, AEC-Q100-qualified 16-bit MCU platform designed specifically for cost-sensitive, safety-aware automotive body and powertrain control applications.
FAQ
What is the maximum operating frequency of the S9S12G128F0VLLR?
The S9S12G128F0VLLR operates at a maximum core frequency of 25 MHz, achieved via its internal Phase-Locked Loop (IPLL) when driven by an external 8 MHz crystal or internal RC oscillator. This frequency is fully supported across the full -40°C to +105°C temperature range and meets AEC-Q100 Grade 2 specifications. The S9S12G128F0VLLR's timing budget accommodates worst-case instruction execution for real-time control loops in automotive ECUs.
Does the S9S12G128F0VLLR include built-in Flash error correction?
Yes, the S9S12G128F0VLLR integrates hardware-based Error Correction Code (ECC) for its 128 KB on-chip Flash memory. It detects and corrects single-bit errors and detects double-bit errors during read operations - a requirement for ASIL-B compliance in automotive functional safety applications. This ECC is always active and requires no software overhead or configuration.
Is the S9S12G128F0VLLR qualified for automotive use?
Yes, the S9S12G128F0VLLR is AEC-Q100 qualified to Grade 2 (-40°C to +105°C), with full qualification documentation including HTOL, TC, ESD, and EM tests. It is designed for under-hood and cabin-mounted automotive electronic control units and carries NXP's long-term supply commitment for automotive programs.
What debug interface does the S9S12G128F0VLLR support?
The S9S12G128F0VLLR supports the Background Debug Mode (BDM) interface via a single dedicated BKGD pin. This allows non-intrusive in-circuit debugging, flash programming, and real-time register inspection using standard NXP BDM tools such as the Multilink Universal FX. No JTAG port is present - BDM is the sole debug mechanism for this device.
Can the S9S12G128F0VLLR be used without an external crystal?
Yes, the S9S12G128F0VLLR can operate using its internal RC oscillator (IRC) for clock generation, supporting frequencies from 1 MHz to 8 MHz. While the IRC enables crystal-free startup and low-cost designs, it lacks the stability and accuracy required for CAN bus timing - an external crystal (typically 8 MHz) is mandatory for reliable CAN communication. The S9S12G128F0VLLR supports both configurations depending on system requirements.
S9S12G128F0VLLR 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12G128F0VLLR FAQ
1.How can I place an order for S9S12G128F0VLLR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G128F0VLLR 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 S9S12G128F0VLLR reliable?
The price and inventory of S9S12G128F0VLLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G128F0VLLR is usually 5 days.
3.What payment methods are accepted for S9S12G128F0VLLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G128F0VLLR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G128F0VLLR?
S9S12G128F0VLLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G128F0VLLR 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 S9S12G128F0VLLR?
For technical support, including S9S12G128F0VLLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G128F0VLLR requirements.
6.How does Aetrix verify that S9S12G128F0VLLR is sourced from the original manufacturer or authorized distributors?
All S9S12G128F0VLLR 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 S9S12G128F0VLLR meets industry standards.
7.What is the process for return or replacement of S9S12G128F0VLLR?
All S9S12G128F0VLLR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G128F0VLLR, 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 S9S12G128F0VLLR part is unused and in its original packaging.
Return procedure for S9S12G128F0VLLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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