NXP Semiconductors S9S12GN16F0MLFR
- Part No.:
- S9S12GN16F0MLFR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12GN16F0MLFR.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 48LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S9S12GN16F0MLFR from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 16 KB on-chip Flash with ECC, 1 KB RAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz, supports -40°C to 125°C ambient temperature, and includes 8-channel 16-bit timer, 10-bit ADC (8 channels), and background debug interface - deployed in engine control modules and body electronics.
For engineers reviewing the S9S12GN16F0MLFR datasheet, S9S12GN16F0MLFR pinout, S9S12GN16F0MLFR application, or S9S12GN16F0MLFR equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, CAN bus integration, Flash memory endurance (100k erase/write cycles), and compatibility with S12 development toolchains including CodeWarrior and S32DS.
Technical Context
The S9S12GN16F0MLFR 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 (1–32 MHz), and PLL for stable 25 MHz core operation.
Memory protection is enforced via background debug security lock and flash block write-protection registers. Peripheral integration follows modular design: MSCAN uses dedicated message buffers and time-triggered transmission logic, while ADC10B8CV2 supports software/hardware-triggered conversions with configurable sample-and-hold timing.
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 loops in safety-critical automotive subsystems. |
| Flash Memory | 16 KB on-chip Flash with ECC and 100k erase/write cycles - ensures firmware integrity and long-term reliability in engine ECU deployments. |
| RAM | 1 KB on-chip SRAM - sufficient for stack, variables, and CAN message buffering in compact embedded control applications. |
| ADC | 10-bit, 8-channel SAR ADC with 12 µs conversion time - supports sensor signal acquisition (e.g., throttle position, coolant temp) with adequate resolution and speed. |
| CAN Interface | Scalable Controller Area Network (MSCAN) module compliant with ISO 11898-1:2003 - provides robust, fault-tolerant serial communication for vehicle network nodes. |
| Operating Temperature | -40°C to +125°C ambient - qualified per AEC-Q100 Grade 1, enabling use in under-hood automotive environments. |
| Package | 48-pin QFP (MLF48) with 0.5 mm pitch - surface-mount compatible for high-density PCB layouts in space-constrained ECUs. |
Pinout & Package
Package: 48-pin Quad Flat Package (QFP), lead-free, RoHS-compliant, body size 7.0 × 7.0 mm, 0.5 mm pitch (MLFR designation).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate domains for digital core (VDD), analog peripherals (VDDA), and PLL (VDDPLL) - enable noise isolation critical for ADC and CAN timing stability. |
| VSS, VSSA, VSSPLL | Ground returns | Dedicated ground pins per power domain reduce coupling noise and improve signal integrity for mixed-signal operation. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; initiates cold start sequence and clears all registers and peripheral states. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports 4–8 MHz fundamental-mode crystals for primary clock source; enables precise timing for CAN bit rate generation and ADC sampling. |
| CANH, CANL | CAN differential bus lines | Direct connection to physical transceiver; integrated CAN controller handles arbitration, error detection, and message filtering without host CPU intervention. |
| PT0–PT7 | Timer channel I/O | 8 dedicated 16-bit timer input capture/output compare pins - support PWM generation, encoder counting, and pulse measurement in motor control. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 16 KB Flash with single-bit error correction and double-bit error detection - prevents silent data corruption in safety-critical firmware execution. |
| Background Debug Module (BDM) | Single-wire debug interface supporting full-speed halt, register read/write, and flash programming - eliminates need for JTAG header in production ECU designs. |
| MSCAN Controller | Full CAN 2.0B compliance with 15 message buffers, programmable acceptance filtering, and automatic retransmission - reduces host CPU overhead in multi-node networks. |
| 10-bit ADC with 8 channels | Configurable sample time (1–16 ADC clocks), internal reference option, and hardware trigger support - enables synchronized sensor sampling across multiple inputs. |
| AEC-Q100 Grade 1 qualification | Validated for operation from -40°C to +125°C with HTOL, TC, and ESD testing per automotive stress standards - meets OEM requirements for powertrain ECUs. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time management of fuel injection timing, ignition spark advance, and idle speed control using crank/cam sensor inputs. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop PID algorithms with sub-millisecond interrupt latency and deterministic CAN messaging. Use Value: Integrated MSCAN and 10-bit ADC eliminate external interface ICs; Flash ECC ensures firmware integrity during voltage transients common in starter cranking events. |
Use Scenario: Centralized control of door locks, window lifts, interior lighting, and mirror adjustment via LIN/CAN gateway functions. IC Role / Device Role / Timing Role: System coordinator managing distributed slave nodes, performing diagnostics, and handling wake-up event routing. Use Value: Low-power stop mode with CAN wake-up capability extends battery life; 48-pin QFP allows compact layout alongside power FET drivers and LIN transceivers. |
| Transmission Control Module (TCM) | Heating/Ventilation Control Unit (HVAC) |
Use Scenario: Monitoring turbine speed, gear position sensors, and solenoid valve feedback to execute shift logic and torque converter clutch control. IC Role / Device Role / Timing Role: Safety-aware controller with watchdog supervision, redundant sensor validation, and fail-safe output driver management. Use Value: AEC-Q100 Grade 1 rating and Flash ECC meet ASIL-B functional safety prerequisites; 16-bit timer supports precise PWM for proportional solenoid drive. |
Use Scenario: Regulating blower motor speed, blend door actuation, and cabin temperature feedback using thermistor and potentiometer inputs. IC Role / Device Role / Timing Role: Mixed-signal processor acquiring analog sensor data, generating variable-frequency PWM outputs, and communicating status over CAN. Use Value: On-chip 10-bit ADC and 8-channel timer reduce BOM count; VDDA/VSSA separation ensures stable reference for temperature measurement accuracy ±1°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12GN32F0MLFR | 32 KB Flash, same package and peripheral set - no change in pinout or clock architecture. | Supports larger firmware images with additional diagnostic routines and bootloader features. | Select when future firmware expansion or OTA update capability is required without PCB redesign. |
| MC9S12XEP100MALR | XGATE co-processor, 1 MB Flash, 50 MHz core - larger footprint (112-pin LQFP) and higher power consumption. | Targeted at complex powertrain applications requiring parallel processing and advanced CAN FD support. | Choose only if XGATE acceleration or CAN FD bandwidth is mandatory; not drop-in compatible due to pin count and voltage requirements. |
Compared with S9S12GN16F0MLFR, the S9S12GN32F0MLFR offers scalable code space within identical thermal and mechanical constraints, while the MC9S12XEP100MALR delivers higher compute throughput at the cost of board area, power, and toolchain complexity - making S9S12GN16F0MLFR optimal for cost-sensitive, thermally constrained Grade 1 automotive nodes.
Availability
S9S12GN16F0MLFR is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control modules requiring stable component supply across extended automotive production lifecycles.
Supply support for S9S12GN16F0MLFR 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 S9S12GN16F0MLFR belongs to the MC9S12G microcontroller family, designed specifically for cost-optimized, AEC-Q100-qualified automotive body and powertrain control applications with emphasis on reliability, debuggability, and CAN integration.
FAQ
What is the maximum operating frequency of the S9S12GN16F0MLFR?
The S9S12GN16F0MLFR achieves a maximum core frequency of 25 MHz using its internal PLL, which multiplies the input crystal or RC oscillator frequency. This speed is validated across the full -40°C to +125°C temperature range and supports real-time execution of automotive control algorithms with predictable interrupt latency. The S9S12GN16F0MLFR maintains timing compliance under worst-case voltage and temperature conditions per AEC-Q100 Grade 1 requirements.
Does the S9S12GN16F0MLFR support CAN FD?
No, the S9S12GN16F0MLFR integrates the legacy MSCAN module compliant with ISO 11898-1:2003 (Classical CAN 2.0B), supporting data rates up to 1 Mbps but not CAN FD frame format or enhanced data phase. For CAN FD capability, designers must select newer families such as S32K1 or S32K3. The S9S12GN16F0MLFR remains widely used in established CAN 2.0B-based vehicle architectures where protocol extension is unnecessary.
What debug interface does the S9S12GN16F0MLFR provide?
The S9S12GN16F0MLFR includes a single-wire Background Debug Module (BDM) interface compliant with Motorola BDM specification v1.1. It supports full-speed debugging, flash programming, register inspection, and breakpoint insertion using standard tools like P&E Micro's Cyclone programmers and NXP's S32DS. No external JTAG adapter is required, simplifying test fixture design and field firmware updates.
Is the S9S12GN16F0MLFR pin-compatible with other S12G devices?
Yes, the S9S12GN16F0MLFR shares identical 48-pin QFP (MLFR) packaging and pinout with S9S12GN32F0MLFR and S9S12GN48F0MLFR - enabling hardware reuse across Flash size variants. However, it is not pin-compatible with S12GA or S12X series devices due to differing peripheral mappings and power pin configurations. Always verify pin function tables in the MC9S12G Family Reference Manual Rev.1.28 before substitution.
What is the Flash endurance specification for the S9S12GN16F0MLFR?
The S9S12GN16F0MLFR guarantees 100,000 erase/write cycles for its 16 KB on-chip Flash memory, with data retention exceeding 20 years at +85°C. This endurance rating is validated per JEDEC JESD22-A117 and applies to all Flash blocks, including those used for EEPROM emulation. The S9S12GN16F0MLFR also includes ECC circuitry to detect and correct single-bit errors during read operations, enhancing long-term firmware reliability.
S9S12GN16F0MLFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 12V1
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- IrDA, LINbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 512 x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12GN16F0MLFR FAQ
1.How can I place an order for S9S12GN16F0MLFR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12GN16F0MLFR 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 S9S12GN16F0MLFR reliable?
The price and inventory of S9S12GN16F0MLFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12GN16F0MLFR is usually 5 days.
3.What payment methods are accepted for S9S12GN16F0MLFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12GN16F0MLFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12GN16F0MLFR?
S9S12GN16F0MLFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12GN16F0MLFR 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 S9S12GN16F0MLFR?
For technical support, including S9S12GN16F0MLFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12GN16F0MLFR requirements.
6.How does Aetrix verify that S9S12GN16F0MLFR is sourced from the original manufacturer or authorized distributors?
All S9S12GN16F0MLFR 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 S9S12GN16F0MLFR meets industry standards.
7.What is the process for return or replacement of S9S12GN16F0MLFR?
All S9S12GN16F0MLFR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12GN16F0MLFR, 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 S9S12GN16F0MLFR part is unused and in its original packaging.
Return procedure for S9S12GN16F0MLFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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