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NXP Semiconductors S9S12GN48F0VLF
- Part No.:
- S9S12GN48F0VLF
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12GN48F0VLF.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,975
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Product details
Overview
S9S12GN48F0VLF from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 48 KB on-chip Flash with ECC, 4 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz core frequency, supports -40°C to +105°C ambient temperature, and includes 10-bit ADC (8-channel), PWM (8-channel), and BDM debug interface - deployed in engine control units and body electronics modules.
For engineers reviewing the S9S12GN48F0VLF datasheet, S9S12GN48F0VLF pinout, S9S12GN48F0VLF application, or S9S12GN48F0VLF equivalent, key selection criteria include AEC-Q100 Grade 2 qualification, 5V I/O tolerance, internal voltage regulator (VREG), and compatibility with legacy S12 toolchains and CodeWarrior IDE.
Technical Context
The S9S12GN48F0VLF implements the CPU12 core with 16-bit data path and 24-bit addressing, executing instructions from on-chip Flash with single-cycle access at ≤25 MHz. Its memory subsystem includes 48 KB Flash (with error correction), 4 KB SRAM, and 512 B EEPROM emulation via Flash.
Peripherals are tightly coupled via the Port Integration Module (PIM), enabling flexible signal routing for up to 56 GPIOs across 8 ports (PA–PJ). The device integrates a scalable CAN 2.0B controller with message buffers, 10-bit ADC with external trigger support, and 8-channel 8-bit PWM with center-aligned mode - all synchronized to the internal PLL clock source.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit CISC core with 24-bit address bus and 16-bit data bus - enables deterministic real-time control in safety-critical automotive functions. |
| Flash Memory | 48 KB on-chip Flash with ECC and 100K write/erase cycles - supports robust firmware storage and field updates without external memory. |
| SRAM | 4 KB on-chip SRAM with retention during stop modes - sufficient for stack, variables, and CAN message buffering in low-power ECU sleep states. |
| Operating Voltage | 4.5 V to 5.5 V supply range - compatible with standard automotive battery systems and tolerant of load-dump transients. |
| Temperature Range | -40°C to +105°C ambient (AEC-Q100 Grade 2) - qualified for under-hood engine management and transmission control applications. |
| CAN Interface | One MSCAN module supporting CAN 2.0B protocol with 16 message buffers - enables direct integration into vehicle communication networks without external transceivers. |
| ADC Resolution | 10-bit SAR ADC with 8 input channels and configurable sample time - delivers precise sensor readings for throttle position, coolant temperature, and oxygen sensors. |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Dedicated digital, analog, and XOSC power rails - enable clean analog measurement and stable oscillator operation. |
| VSS, VSSA, VSSX | Ground returns | Separate digital, analog, and crystal ground paths - reduce noise coupling between logic and sensitive analog/oscillator circuits. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports 4–8 MHz external crystal for precise system timing and CAN bit-rate accuracy. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up - ensures reliable initialization after power-on or brownout conditions. |
| PORTA[7:0] | General-purpose I/O port | Configurable as digital I/O, ADC inputs, or PWM outputs - provides flexible peripheral mapping for compact PCB layouts. |
| PORTB[7:0] | General-purpose I/O port | Includes CAN RX/TX pins (PB0/PB1) - allows direct connection to CAN transceiver with no external signal routing. |
| PORTC[7:0] | General-purpose I/O port | Supports external interrupt triggers (IRQ0–IRQ3) and ADC external start - enables hardware-synchronized sampling. |
| PORTD[7:0] | General-purpose I/O port | Includes SCI0 TX/RX (PD0/PD1) and SPI MOSI/MISO/SCK (PD2–PD4) - simplifies serial communication interface design. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage regulator (VREG) | Generates internal 2.5 V supply for core logic - eliminates need for external LDO and reduces BOM count in cost-sensitive ECUs. |
| Background Debug Module (BDM) | Single-wire debug interface with full read/write memory access - enables in-circuit programming and real-time variable monitoring without JTAG header. |
| Scalable CAN controller (MSCAN) | 16 message buffers with programmable acceptance filtering - supports multi-node diagnostics and high-priority message arbitration in vehicle networks. |
| Internal RC oscillator (IRC) | 1–8 MHz factory-trimmed IRC with ±2% accuracy - provides fail-safe clock source during crystal startup or failure, ensuring CAN bus synchronization. |
| EEPROM emulation | 512 B user-accessible nonvolatile storage using Flash sectors - retains calibration data and fault logs across power cycles without external EEPROM. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time fuel injection timing and spark advance calculation based on crankshaft position, MAP, and O2 sensor inputs. IC Role / Device Role / Timing Role: Primary control MCU managing closed-loop combustion control with sub-millisecond interrupt latency. Use Value: Integrated 10-bit ADC and CAN 2.0B enable direct sensor interfacing and vehicle network reporting - reducing external component count by ≥3 ICs. |
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC actuators in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator handling LIN/CAN gateway functions and PWM-driven motor drivers. Use Value: 8-channel PWM with dead-time insertion supports bidirectional DC motor control - eliminating need for external gate drivers in seat/mirror modules. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Interface |
Use Scenario: Gear shift scheduling and solenoid valve actuation using turbine speed, vehicle speed, and throttle position feedback. IC Role / Device Role / Timing Role: Safety-relevant controller with ASIL-B capable peripherals and lock-step ready architecture. Use Value: AEC-Q100 Grade 2 qualification and Flash ECC ensure functional safety compliance per ISO 26262 requirements. |
Use Scenario: Signal conditioning and preprocessing of radar or ultrasonic sensor outputs before forwarding to main ADAS processor. IC Role / Device Role / Timing Role: Edge-processing node performing analog front-end digitization and CAN message formatting. Use Value: On-chip 10-bit ADC with external trigger sync enables precise time-of-flight measurement - improving object detection resolution by 12-bit effective precision. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12GN32F0VLF | 32 KB Flash, same package and peripheral set - lacks 16 KB of program storage capacity. | Suitable for simpler BCM or lighting control where firmware size < 28 KB. | Select when code footprint is constrained and CAN bandwidth requirements are moderate. |
| S9S12G48F0MLF | Same 48 KB Flash but in 80-pin QFP package with additional ADC channels and SCI interfaces. | Targeted at higher I/O count applications like multi-sensor TCU or gateway modules. | Choose when needing >56 GPIOs or dual SCI interfaces for diagnostic and telematics connectivity. |
Compared with S9S12GN48F0VLF, the S9S12GN32F0VLF offers reduced memory at lower cost for less complex nodes, while the S9S12G48F0MLF expands I/O and serial interface count at the expense of larger footprint - making the S9S12GN48F0VLF optimal for space-constrained, CAN-centric automotive control points.
Availability
S9S12GN48F0VLF is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across extended automotive production lifecycles.
Supply support for S9S12GN48F0VLF 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 S9S12GN48F0VLF belongs to the MC9S12G family - designed specifically for cost-optimized, AEC-Q100 qualified automotive control applications where reliability, CAN integration, and legacy toolchain compatibility are critical.
FAQ
What is the maximum operating frequency of the S9S12GN48F0VLF?
The S9S12GN48F0VLF achieves a maximum core frequency of 25 MHz using its internal PLL, which can be configured to multiply the external crystal (4–8 MHz) or internal RC oscillator output. This frequency enables deterministic execution of control algorithms within strict automotive timing deadlines, and the S9S12GN48F0VLF maintains full peripheral functionality - including CAN bit timing and ADC conversion - at this rate.
Does the S9S12GN48F0VLF support CAN FD?
No, the S9S12GN48F0VLF integrates the legacy MSCAN module compliant only with CAN 2.0A/B protocols (up to 1 Mbps). It does not support CAN FD features such as flexible data-rate, extended data length, or CRC enhancements. For CAN FD applications, designers must select newer S32K or SPC5 families - the S9S12GN48F0VLF remains optimized for established CAN-based vehicle networks.
Is the S9S12GN48F0VLF pin-compatible with other S12G devices?
Yes, the S9S12GN48F0VLF shares identical pinout and package (64-pin LQFP) with other S12GNxx variants (e.g., S9S12GN16F0VLF, S9S12GN32F0VLF), enabling hardware reuse across firmware variants. However, it is not pin-compatible with S12Gxx or S12GAxx families due to differing peripheral mappings and power pin configurations - the S9S12GN48F0VLF requires specific VDDX/VSSX connections for crystal stability.
What debug interface does the S9S12GN48F0VLF use?
The S9S12GN48F0VLF uses the Background Debug Module (BDM) interface - a single-wire, asynchronous serial protocol accessible via the BKGD pin. It supports full memory read/write, register inspection, breakpoint setting, and flash programming without halting real-time operation. No JTAG or SWD hardware is required, and the S9S12GN48F0VLF works natively with P&E Micro and SEGGER tools via standard BDM adapters.
What is the Flash endurance specification for the S9S12GN48F0VLF?
The S9S12GN48F0VLF specifies 100,000 write/erase cycles for its 48 KB on-chip Flash memory, with data retention guaranteed for 20 years at 85°C. Each Flash block supports independent erase operations, and ECC circuitry detects and corrects single-bit errors automatically - ensuring long-term firmware integrity in automotive environments subject to thermal cycling and electrical stress. The S9S12GN48F0VLF also supports EEPROM emulation in designated Flash sectors for parameter storage.
S9S12GN48F0VLF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-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:
- 40
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1.5K x 8
- RAM Size:
- 4K 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:
S9S12GN48F0VLF FAQ
1.How can I place an order for S9S12GN48F0VLF through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12GN48F0VLF 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 S9S12GN48F0VLF reliable?
The price and inventory of S9S12GN48F0VLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12GN48F0VLF is usually 5 days.
3.What payment methods are accepted for S9S12GN48F0VLF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12GN48F0VLF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12GN48F0VLF?
S9S12GN48F0VLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12GN48F0VLF 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 S9S12GN48F0VLF?
For technical support, including S9S12GN48F0VLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12GN48F0VLF requirements.
6.How does Aetrix verify that S9S12GN48F0VLF is sourced from the original manufacturer or authorized distributors?
All S9S12GN48F0VLF 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 S9S12GN48F0VLF meets industry standards.
7.What is the process for return or replacement of S9S12GN48F0VLF?
All S9S12GN48F0VLF units undergo pre-shipment inspection (PSI). If there is an issue with S9S12GN48F0VLF, 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 S9S12GN48F0VLF part is unused and in its original packaging.
Return procedure for S9S12GN48F0VLF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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