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NXP Semiconductors S9S12G128F0MLL
- Part No.:
- S9S12G128F0MLL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
S9S12G128F0MLL.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:433
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Product details
Overview
S9S12G128F0MLL 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 S9S12G128F0MLL datasheet, S9S12G128F0MLL pinout, S9S12G128F0MLL application, or S9S12G128F0MLL equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, CAN bus integration, Flash memory endurance (100k erase/write cycles), and compatibility with CodeWarrior development tools and S12 legacy software ecosystems.
Technical Context
The S9S12G128F0MLL implements the S12 CPU12 instruction set with 16-bit data/24-bit address bus, internal PLL for clock multiplication, and dual-clock domain (bus clock and background debug clock). Its memory subsystem includes segmented Flash with page erase capability and SRAM with wait-state configurable access timing.
Peripheral integration follows the MC9S12G family architecture: TIM16B8CV3 timer module with 8 input-capture/output-compare channels, MSCANV3 controller supporting both standard and extended frames, and ADC10B8CV2 with 8 analog inputs, 10-bit resolution, and hardware-triggered conversion sequencing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 24-bit addressing and 16-bit ALU |
| Flash Memory | 128 KB on-chip Flash with ECC, 100k erase/write cycles, sector protection |
| SRAM | 8 KB on-chip SRAM with single-cycle access at full bus speed |
| Clock Speed | Max 25 MHz bus clock via internal PLL; supports external crystal (1–8 MHz) or RC oscillator |
| ADC | 10-bit successive-approximation ADC with 8 input channels, 12.5 µs conversion time |
| CAN Interface | One MSCAN 2.0B module supporting 1 Mbit/s, message buffering, and error handling |
| Operating Temp | AEC-Q100 Grade 1: -40°C to +125°C ambient, qualified for automotive powertrain/body applications |
| Package | 64-pin LQFP (10 × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3 |
Pinout & Package
Package: 64-pin LQFP (MLL suffix), 10 mm × 10 mm body, 0.5 mm lead pitch, exposed thermal pad (not electrically connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply rails | VDD (digital core), VDDA (analog), VDDX (external oscillator) - each requires local decoupling per layout guidelines |
| VSS, VSSA, VSSX | Ground reference points | Separate digital/analog/oscillator ground returns minimize noise coupling into ADC and clock domains |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode quartz crystals (1–8 MHz); internal load capacitors configurable via register |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset supervisor or microcontroller reset signal |
| PORTA[7:0] | General-purpose I/O / ADC channel inputs | PA0–PA7 serve as analog inputs for ADC10B8CV2 and configurable digital I/O with interrupt capability |
| PORTB[7:0] | General-purpose I/O / CAN TX/RX | PB0/PB1 dedicated to MSCAN TXD/RXD; remaining pins support GPIO, PWM output, or timer capture |
| PORTC[7:0] | General-purpose I/O / SCI/SPI | PC0/PC1 = SCI0 TXD/RXD; PC2/PC3 = SPI0 MOSI/MISO; others support GPIO or timer functions |
| PORTD[7:0] | General-purpose I/O / PWM outputs | PD0–PD7 support 8-channel PWM output with center-aligned or edge-aligned modes and dead-time insertion |
| PORTP[7:0] | General-purpose I/O / BDM interface | PP0 = BKGD (background debug serial line); PP1 = RESET (optional); others configurable as GPIO |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive under-hood environments (-40°C to +125°C) with accelerated life testing and failure analysis |
| On-chip Flash with ECC | Detects and corrects single-bit errors in real time; prevents silent data corruption in safety-critical firmware storage |
| Integrated MSCAN 2.0B | Hardware message filtering, 15 message buffers, automatic retransmission, and bus-off recovery without CPU intervention |
| Background Debug Module (BDM) | Single-wire debug interface enabling flash programming, breakpoint setting, and real-time register inspection during operation |
| Configurable ADC trigger sources | Supports software, timer overflow, PWM edge, or external pin triggers - enables synchronized sampling in motor control loops |
| Low-power stop/wait modes | Stop mode draws ≤10 µA; wake-up via IRQ, CAN activity, or reset - extends battery life in always-on vehicle modules |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor signals in gasoline direct injection systems. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop fuel injection and ignition timing algorithms with deterministic interrupt latency. Use Value: 128 KB Flash accommodates complex calibration tables; CAN interface enables communication with transmission and ABS ECUs over shared vehicle network. | Use Scenario: Centralized management of door locks, window lifts, interior lighting, and mirror adjustment in premium vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and driving discrete power FETs via PWM-controlled gate drivers. Use Value: 8 KB SRAM supports multi-tasking OS scheduler; AEC-Q100 qualification ensures reliability across 15-year vehicle service life. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Interface |
Use Scenario: Closed-loop control of solenoid valves and clutch pressure in 6-speed automatic transmissions. IC Role / Device Role / Timing Role: Real-time actuator controller with precise PWM timing (100 ns resolution) and fault detection on current-sense feedback paths. Use Value: TIM16B8CV3 timer provides independent 8-channel PWM generation; ADC10B8CV2 samples analog pressure sensors at 80 kSPS for adaptive shift scheduling. | Use Scenario: Signal conditioning and preprocessing of analog outputs from radar front-end ICs before digitization and DSP processing. IC Role / Device Role / Timing Role: Analog interface hub converting differential radar IF signals to digital format using synchronized ADC sampling. Use Value: Hardware ADC trigger from external sync pulse ensures phase-coherent sampling across multiple radar channels; CAN output relays processed data to central ADAS ECU. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12G128MALR | Same core and peripheral set; differs in temperature grade (AEC-Q100 Grade 2: -40°C to +105°C) and package (64-pin QFP vs. LQFP) | Targeted for cabin electronics rather than under-hood use due to lower max operating temperature | Select when cost-sensitive designs do not require Grade 1 thermal performance |
| S912ZVL128F0MLF | Z-series derivative with enhanced CAN FD support, higher clock speed (50 MHz), and updated BDM protocol; pinout incompatible | Required for next-generation vehicle networks needing >1 Mbit/s CAN throughput and improved computational throughput | Choose for new designs requiring CAN FD migration path and higher processing headroom |
Compared with MC9S12G128MALR, the S9S12G128F0MLL offers extended thermal range for powertrain deployment, while S912ZVL128F0MLF provides architectural evolution toward CAN FD and faster execution - neither is pin-compatible, but all three share toolchain and peripheral register-level familiarity.
Availability
S9S12G128F0MLL is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across long-life automotive production programs.
Supply support for S9S12G128F0MLL 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 MC9S12G family, including the S9S12G128F0MLL, was designed specifically for cost-optimized, high-reliability automotive body and powertrain applications requiring AEC-Q100 compliance and long-term supply stability.
FAQ
What is the maximum operating frequency of the S9S12G128F0MLL?
The S9S12G128F0MLL supports a maximum bus clock frequency of 25 MHz, achieved via its internal Phase-Locked Loop (IPLL) that multiplies an external crystal (1–8 MHz) or internal RC oscillator. This frequency governs instruction execution, peripheral timing, and ADC conversion rates. The S9S12G128F0MLL maintains full functionality and AEC-Q100 Grade 1 specification compliance at this speed across its full temperature range.
Does the S9S12G128F0MLL support CAN FD?
No, the S9S12G128F0MLL integrates the legacy MSCAN 2.0B module, which supports Classical CAN only (up to 1 Mbit/s, 11-bit or 29-bit identifiers). It does not implement CAN FD features such as flexible data-rate, larger payloads, or CRC enhancements. For CAN FD capability, NXP recommends the S912ZVL128F0MLF or S32K144 as functional successors - the S9S12G128F0MLL remains optimized for established CAN 2.0B automotive networks.
How many ADC channels does the S9S12G128F0MLL have, and what is their resolution?
The S9S12G128F0MLL includes one 10-bit successive-approximation ADC module (ADC10B8CV2) with 8 configurable analog input channels (PA0–PA7). It achieves 10-bit resolution with ±1 LSB integral nonlinearity and supports hardware-triggered conversions, scan sequences, and result buffering. The ADC operates independently of CPU execution, enabling deterministic sampling in time-critical control loops without software overhead.
Is the S9S12G128F0MLL pin-compatible with other MC9S12G family members?
The S9S12G128F0MLL uses a 64-pin LQFP package (MLL) and shares identical pinout with other 64-pin MC9S12G variants including S9S12G64F0MLL and S9S12G96F0MLL. Pin assignments for power, ground, reset, crystal, BDM, CAN, SCI, SPI, and GPIO ports are consistent across these parts - enabling hardware reuse when migrating between Flash sizes within the same package option.
What debug interface does the S9S12G128F0MLL support, and what tools are compatible?
The S9S12G128F0MLL supports the Background Debug Module (BDM) interface via the BKGD pin (PP0), enabling single-wire in-circuit debugging and flash programming. It is fully compatible with P&E Micro's USB-ML-12 and Cyclone Auto programmers, as well as legacy Motorola/Freescale BDM pods. Development toolchains include NXP's S32DS for S12 (based on Eclipse) and legacy CodeWarrior IDE v5.1+ with appropriate BDM drivers.
S9S12G128F0MLL 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12G128F0MLL FAQ
1.How can I place an order for S9S12G128F0MLL through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G128F0MLL 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 S9S12G128F0MLL reliable?
The price and inventory of S9S12G128F0MLL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G128F0MLL is usually 5 days.
3.What payment methods are accepted for S9S12G128F0MLL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G128F0MLL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G128F0MLL?
S9S12G128F0MLL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G128F0MLL 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 S9S12G128F0MLL?
For technical support, including S9S12G128F0MLL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G128F0MLL requirements.
6.How does Aetrix verify that S9S12G128F0MLL is sourced from the original manufacturer or authorized distributors?
All S9S12G128F0MLL 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 S9S12G128F0MLL meets industry standards.
7.What is the process for return or replacement of S9S12G128F0MLL?
All S9S12G128F0MLL units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G128F0MLL, 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 S9S12G128F0MLL part is unused and in its original packaging.
Return procedure for S9S12G128F0MLL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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