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NXP Semiconductors S9S12GN16F1MLC
- Part No.:
- S9S12GN16F1MLC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S12GN16F1MLC.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,260
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Product details
Overview
S9S12GN16F1MLC from NXP Semiconductors is a 16-bit automotive-grade microcontroller based on the S12 CPU12 core, featuring 16 KB on-chip Flash with ECC, 1 KB RAM, 8-channel 16-bit timer, 8-channel PWM, and integrated CAN 2.0A/B controller (MSCAN). It operates at up to 25 MHz, supports -40°C to +125°C ambient temperature, and targets engine control units, body electronics, and transmission modules.
For engineers reviewing the S9S12GN16F1MLC datasheet, S9S12GN16F1MLC pinout, S9S12GN16F1MLC application, or S9S12GN16F1MLC equivalent, key selection criteria include its AEC-Q100 Grade 1 qualification, 5V I/O tolerance, background debug interface (BDM), and integrated voltage regulator - all critical for cost-sensitive, safety-aware automotive embedded designs.
Technical Context
The S9S12GN16F1MLC implements the S12 CPU12 instruction set with 16-bit data/24-bit address bus, executes instructions in single-cycle fetch-decode-execute pipeline, and supports both internal RC oscillator (1–8 MHz) and external crystal (1–32 MHz) clock sources. Its CPMU module provides multiple low-power modes including STOP, WAIT, and Pseudo-STOP with wake-up via IRQ, SCI, or timer overflow.
Memory subsystem includes 16 KB Flash organized in 512-byte sectors with ECC protection, 1 KB SRAM, and 256 B EEPROM emulation via Flash. Peripheral integration includes ADC10B8CV2 (10-bit, 8-channel, 12.5 µs conversion), ACMPV1 (5 V rail-tolerant analog comparator), and S12MSCANV3 (CAN 2.0A/B compliant with 1 Mbit/s max bit rate).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit Harvard architecture with 24-bit addressing; enables deterministic real-time control in resource-constrained ECUs. |
| Flash Memory | 16 KB on-chip Flash with ECC and 512-byte sector erase; ensures code integrity and field-programmability for automotive firmware updates. |
| RAM | 1 KB on-chip SRAM; sufficient for stack, variables, and small buffers in engine management or lighting control applications. |
| Operating Voltage | 4.5 V to 5.5 V supply range; compatible with standard automotive battery systems and eliminates need for external LDO regulation. |
| Temperature Range | -40°C to +125°C ambient (AEC-Q100 Grade 1); qualified for under-hood deployment without derating. |
| CAN Interface | Integrated MSCAN module supporting CAN 2.0A/B protocol at up to 1 Mbit/s; reduces BOM count and PCB area vs. discrete transceiver solutions. |
| ADC Resolution | 10-bit SAR ADC with 8 input channels and 12.5 µs conversion time; suitable for throttle position, coolant temperature, and battery voltage sensing. |
Pinout & Package
Package: 48-pin QFP (MLC = 48LQFP, 7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Separate digital, analog, and XOSC power domains reduce noise coupling and improve ADC accuracy. |
| VSS, VSSA, VSSX | Ground returns | Dedicated analog and oscillator ground pins enable clean reference paths for precision timing and measurement. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode crystals up to 32 MHz; enables precise system clock generation for CAN timing compliance. |
| RESET | Active-low reset input | Asynchronous, Schmitt-triggered input with internal pull-up; allows external watchdog or power-on reset coordination. |
| PORTA[7:0] | General-purpose I/O with interrupt capability | Configurable as digital I/O, ADC inputs, or PWM outputs; supports edge-triggered IRQ for sensor wake-up events. |
| PORTB[7:0] | General-purpose I/O with CAN signal routing | Includes CANRX/CANTX multiplexing; enables direct MCU-to-transceiver connection without external logic. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive under-hood operation (-40°C to +125°C), eliminating requalification effort for Tier 1 ECU designs. |
| On-chip voltage regulator (VREG) | Generates internal 2.5 V core supply from 4.5–5.5 V input; removes need for external DC-DC converter in space-constrained modules. |
| Background Debug Module (BDM) | Single-wire debug interface with flash programming and real-time register access; enables in-vehicle diagnostics and calibration without JTAG header. |
| EEPROM emulation | 256 bytes of non-volatile storage emulated in Flash using wear-leveling algorithm; retains configuration data across power cycles without external EEPROM. |
| Low-power STOP mode | Consumes ≤10 µA typical at 25°C; extends battery life in always-on vehicle modules such as door controllers or alarm systems. |
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 engine management. IC Role / Device Role / Timing Role: Primary controller executing fuel injection and spark timing algorithms with sub-millisecond jitter tolerance. Use Value: Integrated MSCAN and 10-bit ADC eliminate external interface ICs, reducing system latency and component count by ≥3 devices. |
Use Scenario: Centralized control of interior lighting, window lift, mirror adjustment, and door lock actuation. IC Role / Device Role / Timing Role: System coordinator managing multiple LIN slaves and driving high-side/low-side power switches. Use Value: 16 KB Flash and 8-channel PWM support multi-function firmware with over-the-air update capability and smooth LED dimming profiles. |
| Transmission Control Unit (TCU) | Heating/Ventilation Control |
Use Scenario: Closed-loop control of solenoid valves and pressure sensors in automatic transmission hydraulic systems. IC Role / Device Role / Timing Role: Safety-critical actuator driver with ASIL-B capable diagnostics and fail-safe output states. Use Value: Built-in COP watchdog, memory ECC, and BDM debug trace meet ISO 26262 diagnostic coverage requirements without added hardware. |
Use Scenario: HVAC blower motor speed regulation, cabin temperature feedback, and air mix damper positioning. IC Role / Device Role / Timing Role: Sensor fusion hub combining thermistor readings, PWM fan control, and CAN-based climate network communication. Use Value: 5 V-tolerant I/O and integrated voltage regulator simplify interface to potentiometers, thermistors, and brushless motor drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12GN32F1MLC | 32 KB Flash, same package and peripheral set; no change in RAM, clock, or I/O structure. | Required when firmware exceeds 16 KB or future feature expansion is anticipated. | Select if long-term software scalability or bootloader partitioning is needed; otherwise S9S12GN16F1MLC offers optimal cost/performance balance. |
| MC9S12G128F1MLC | 128 KB Flash, 8 KB RAM, additional SPI/SCI channels, and enhanced CAN filtering; larger die size in same 48LQFP package. | Suitable for complex gateway or domain controller roles requiring multi-protocol bridging and large code footprint. | Choose only when >16 KB Flash is mandatory; higher cost and power consumption make it over-specified for basic ECU functions. |
Compared with S9S12GN32F1MLC and MC9S12G128F1MLC, the S9S12GN16F1MLC delivers optimal integration for entry-level automotive control tasks - retaining full AEC-Q100 qualification, CAN, ADC, and BDM while minimizing silicon cost and static power draw.
Availability
S9S12GN16F1MLC is available at Aetrix Electronics and suitable for engine control units, body electronics modules, and transmission control applications requiring stable component supply, long-lifecycle support, and automotive-grade reliability.
Supply support for S9S12GN16F1MLC 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 markets, with deep expertise in functional safety and embedded processing.
The S9S12GN16F1MLC belongs to the MC9S12G family - designed specifically for cost-optimized, ASIL-B-capable automotive control applications where robustness, low power, and CAN integration are essential.
FAQ
What is the maximum operating frequency of the S9S12GN16F1MLC?
The S9S12GN16F1MLC supports a maximum bus 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 enables deterministic execution of automotive control loops with cycle times under 40 ns per instruction, meeting real-time deadlines in engine management and transmission systems. The S9S12GN16F1MLC maintains this performance across its full -40°C to +125°C operating range.
Does the S9S12GN16F1MLC include hardware support for CAN FD?
No, the S9S12GN16F1MLC integrates the legacy MSCAN module compliant with CAN 2.0A/B only, supporting bit rates up to 1 Mbit/s but not CAN FD features such as flexible data-rate, extended data length, or CRC enhancements. For CAN FD implementation, designers must select newer NXP families like S32K1 or S32K3. The S9S12GN16F1MLC remains appropriate for conventional CAN networks in legacy ECU platforms where backward compatibility and cost control are priorities.
How is flash programming performed on the S9S12GN16F1MLC?
Flash programming on the S9S12GN16F1MLC is performed exclusively through the Background Debug Module (BDM) interface using standard BDM commands - no boot ROM or UART-based bootloader is present. Programming requires a BDM-compatible tool (e.g., PE Micro Cyclone or SEGGER J-Link with BDM adapter) and supports full erase, page write, and verify operations. The S9S12GN16F1MLC's Flash includes ECC bits written automatically during programming, ensuring data integrity without host software overhead.
Is the S9S12GN16F1MLC pin-compatible with other MC9S12G family members?
Yes, the S9S12GN16F1MLC shares identical 48LQFP (MLC) pinout with S9S12GN32F1MLC, S9S12GNA16F1MLC, and S9S12GNA32F1MLC - enabling drop-in replacement within the same memory/feature subset. However, it is not pin-compatible with higher-flash variants like S9S12G128F1MLC due to different internal peripheral routing and register mapping, despite identical package dimensions. Always verify signal mapping in Chapter 1.8.1 of the MC9S12G Family Reference Manual before substitution.
What safety certifications does the S9S12GN16F1MLC hold?
The S9S12GN16F1MLC is AEC-Q100 Grade 1 qualified (-40°C to +125°C) and supports functional safety development per ISO 26262 ASIL-B requirements. Key enablers include ECC-protected Flash and RAM, built-in COP watchdog with independent clock source, BDM-based runtime diagnostics, and failure reporting via status registers. While the S9S12GN16F1MLC itself is not ASIL-certified, its hardware features allow system-level ASIL-B compliance when implemented with proper software safety mechanisms and verification.
S9S12GN16F1MLC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- 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:
- 26
- 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:
S9S12GN16F1MLC FAQ
1.How can I place an order for S9S12GN16F1MLC through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12GN16F1MLC 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 S9S12GN16F1MLC reliable?
The price and inventory of S9S12GN16F1MLC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12GN16F1MLC is usually 5 days.
3.What payment methods are accepted for S9S12GN16F1MLC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12GN16F1MLC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12GN16F1MLC?
S9S12GN16F1MLC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12GN16F1MLC 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 S9S12GN16F1MLC?
For technical support, including S9S12GN16F1MLC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12GN16F1MLC requirements.
6.How does Aetrix verify that S9S12GN16F1MLC is sourced from the original manufacturer or authorized distributors?
All S9S12GN16F1MLC 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 S9S12GN16F1MLC meets industry standards.
7.What is the process for return or replacement of S9S12GN16F1MLC?
All S9S12GN16F1MLC units undergo pre-shipment inspection (PSI). If there is an issue with S9S12GN16F1MLC, 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 S9S12GN16F1MLC part is unused and in its original packaging.
Return procedure for S9S12GN16F1MLC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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