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NXP Semiconductors S9S12GN32F0VLF
- Part No.:
- S9S12GN32F0VLF
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12GN32F0VLF.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,298
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Product details
Overview
S9S12GN32F0VLF from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 32 KB on-chip Flash with ECC, 2 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 (8-channel), PWM, SCI, SPI, and BDM debug interface. It targets engine control units, body electronics, and transmission modules requiring ASIL-B capable MCU solutions.
For engineers reviewing the S9S12GN32F0VLF datasheet, S9S12GN32F0VLF pinout, S9S12GN32F0VLF application, or S9S12GN32F0VLF equivalent, key selection criteria include its AEC-Q100 Grade 2 qualification, 32 KB Flash with single-bit error correction, 16-pin CAN interface support, and compatibility with legacy S12 code base for migration from MC9S12X devices.
Technical Context
The S9S12GN32F0VLF implements the CPU12 core with 16-bit data path and 24-bit addressing, executing instructions from internal Flash or external memory via expanded bus mode. Its clock system integrates an internal RC oscillator (1–8 MHz), external crystal input (1–32 MHz), and PLL for scalable CPU/bus frequencies up to 25 MHz.
System integrity features include COP watchdog timer with windowed mode, reset supervision with POR/BOR, and background debug module (BDM) supporting real-time register access and flash programming. Memory protection is enforced via security byte and flash block locking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit CISC core with 24-bit address space and 16 MB linear memory map |
| Flash Memory | 32 KB on-chip Flash with ECC, 100K write/erase cycles, sector erase capability |
| SRAM | 2 KB on-chip SRAM with retention during stop mode |
| ADC | 10-bit successive-approximation ADC with 8 input channels, 12.5 µs conversion time |
| CAN Interface | One MSCAN module compliant with ISO 11898-1:2003, supporting CAN 2.0B protocol and 1 Mbit/s data rate |
| Operating Temperature | -40°C to +105°C ambient, qualified per AEC-Q100 Grade 2 |
| Supply Voltage | 4.5 V to 5.5 V operation with on-chip 5 V regulator (VREG) |
| Debug Interface | Background Debug Module (BDM) with single-wire serial interface and flash programming support |
Pinout & Package
Package: 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate digital, analog, and PLL power domains enable noise isolation and stable clock generation |
| VSS, VSSA | Ground returns | Dedicated analog ground improves ADC accuracy and reduces coupling to digital switching noise |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode quartz crystals from 1–32 MHz for precise system timing |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset signals or supervisory IC outputs |
| MODA, MODB | Mode configuration pins | Set boot mode (normal, special bootstrap, or BDM) at power-on; latched internally |
| PORTA[7:0] | General-purpose I/O port | 8-bit bidirectional port with configurable pull-ups, interrupt-on-change, and peripheral multiplexing |
| PORTB[7:0] | General-purpose I/O port | 8-bit port supporting CAN TX/RX, SCI, SPI, and PWM functions via PIM routing |
| PORTC[7:0] | General-purpose I/O port | 8-bit port with ADC channel inputs, timer capture/compare, and external interrupt capability |
| PORTD[7:0] | General-purpose I/O port | 8-bit port supporting additional SCI, SPI, and PWM channels; includes BKGD debug pin |
| PORTP[7:0] | General-purpose I/O port | 8-bit port with dedicated CAN RX/TX pins and high-current drive capability for direct LED driving |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 2 qualification | Validated for automotive under-hood applications with extended temperature range (-40°C to +105°C) |
| On-chip Flash with ECC | Enables reliable firmware storage and runtime detection/correction of single-bit errors in program memory |
| Integrated MSCAN 2.0B controller | Reduces external component count by eliminating need for discrete CAN transceiver logic in basic implementations |
| Background Debug Module (BDM) | Allows in-circuit debugging, flash programming, and real-time register inspection without halting CPU execution |
| Configurable low-power modes | Stop, Wait, and Freeze modes reduce current consumption to <10 µA (Stop) while retaining RAM and register state |
| Peripheral Integration Module (PIM) | Enables flexible pin assignment across multiple peripherals (SCI/SPI/PWM/CAN) without hardware redesign |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and oxygen sensor feedback in gasoline engine management systems. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop fuel injection and ignition timing algorithms with deterministic 25 MHz instruction throughput. Use Value: Integrated 10-bit ADC with 8 channels and CAN 2.0B interface enable direct sensor interfacing and vehicle network communication without external signal conditioning or protocol translation. | Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC actuators in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator managing distributed I/O via LIN/CAN gateways and executing state-machine logic for user inputs and safety interlocks. Use Value: 32 KB Flash with ECC ensures robust firmware storage for multi-function safety-critical routines; 2 KB SRAM supports real-time task scheduling and event buffering. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
Use Scenario: Closed-loop control of solenoid valves and clutch engagement timing in automatic transmissions. IC Role / Device Role / Timing Role: High-integrity MCU executing torque converter lockup, gear shift, and fault diagnostics with ASIL-B compliance. Use Value: AEC-Q100 Grade 2 qualification and on-chip voltage regulator ensure stable operation under battery voltage fluctuations (4.5–5.5 V) and thermal stress. | Use Scenario: Torque assist calculation and motor phase control in brushless DC steering motors. IC Role / Device Role / Timing Role: Real-time motion controller processing torque sensor data and generating PWM-driven three-phase gate signals via integrated PWM module. Use Value: 8-channel PWM with center-aligned mode and dead-time insertion supports precise motor commutation; BDM enables field firmware updates without disassembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12GN16F0VLF | 16 KB Flash, identical package and peripheral set; reduced memory footprint | Suitable for simpler BCM or sensor nodes where full 32 KB is not required | Select when firmware size is ≤14 KB and cost optimization is prioritized over future scalability |
| S9S12G48F0VLF | 48 KB Flash, same core and peripheral IP but larger memory and higher pin count (64-pin LQFP) | Required for complex TCU or EPS applications needing >32 KB code + data space | Choose when application demands additional Flash for OTA updates or dual-bank firmware redundancy |
Compared with S9S12GN16F0VLF, the S9S12GN32F0VLF provides 100% more Flash for feature-rich firmware and bootloader flexibility; versus S9S12G48F0VLF, it offers identical peripheral functionality in a smaller 48-pin footprint-reducing PCB area and BOM cost without sacrificing CAN, ADC, or debug capability.
Availability
S9S12GN32F0VLF is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for S9S12GN32F0VLF 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 S12G family-including the S9S12GN32F0VLF-is designed for cost-sensitive, high-reliability automotive applications requiring functional safety, extended temperature operation, and legacy S12 software compatibility.
FAQ
What is the maximum operating frequency of the S9S12GN32F0VLF?
The S9S12GN32F0VLF achieves a maximum CPU bus frequency of 25 MHz using its internal PLL. This is derived from a 4 MHz external crystal or internal RC oscillator, multiplied by the PLL's programmable divider ratio. The 25 MHz clock supports deterministic real-time control loops in automotive applications such as engine timing and PWM motor control, with instruction cycle times as low as 40 ns.
Does the S9S12GN32F0VLF support CAN FD?
No, the S9S12GN32F0VLF does not support CAN FD. It integrates the legacy MSCAN module compliant only with ISO 11898-1:2003 and CAN 2.0B protocol, supporting data rates up to 1 Mbit/s with standard 11-bit identifiers. For CAN FD requirements, designers must select newer NXP families such as S32K1 or S32K3 series, which include FlexCAN modules with FD capability.
What debug interface does the S9S12GN32F0VLF use?
The S9S12GN32F0VLF uses the Background Debug Module (BDM) interface, accessed via the BKGD pin and a single-wire serial protocol. This interface supports flash programming, real-time register read/write, breakpoint setting, and memory inspection without halting the CPU. It requires an NXP-compatible BDM debugger (e.g., USB-ML-12) and is fully supported by CodeWarrior Development Studio for S12.
Is the S9S12GN32F0VLF pin-compatible with other S12G family members?
The S9S12GN32F0VLF shares the same 48-pin LQFP package and pinout with S9S12GN16F0VLF and S9S12GN48F0VLF, enabling drop-in replacement within the GN subfamily. However, it is not pin-compatible with GA or G variants (e.g., S9S12G48F0VLF), which use 64-pin packages and differ in peripheral mapping and power pin allocation.
What is the purpose of the MODA and MODB pins on the S9S12GN32F0VLF?
The MODA and MODB pins on the S9S12GN32F0VLF determine the device boot mode at power-on reset. Their logic states configure whether the MCU executes from internal Flash (normal mode), enters special bootstrap loader mode (for UART-based firmware loading), or activates BDM debug mode. These pins are sampled once during reset and latched internally-no external pull resistors are required as internal weak pull-ups/pull-downs define default states.
S9S12GN32F0VLF 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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12GN32F0VLF FAQ
1.How can I place an order for S9S12GN32F0VLF through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12GN32F0VLF 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 S9S12GN32F0VLF reliable?
The price and inventory of S9S12GN32F0VLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12GN32F0VLF is usually 5 days.
3.What payment methods are accepted for S9S12GN32F0VLF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12GN32F0VLF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12GN32F0VLF?
S9S12GN32F0VLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12GN32F0VLF 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 S9S12GN32F0VLF?
For technical support, including S9S12GN32F0VLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12GN32F0VLF requirements.
6.How does Aetrix verify that S9S12GN32F0VLF is sourced from the original manufacturer or authorized distributors?
All S9S12GN32F0VLF 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 S9S12GN32F0VLF meets industry standards.
7.What is the process for return or replacement of S9S12GN32F0VLF?
All S9S12GN32F0VLF units undergo pre-shipment inspection (PSI). If there is an issue with S9S12GN32F0VLF, 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 S9S12GN32F0VLF part is unused and in its original packaging.
Return procedure for S9S12GN32F0VLF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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