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NXP Semiconductors S9S12GN48F0CLF
- Part No.:
- S9S12GN48F0CLF
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12GN48F0CLF.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,086
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Product details
Overview
S9S12GN48F0CLF 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 +125°C ambient temperature, and includes 10-bit ADC (8-channel), PWM (8-channel), and background debug interface. It is used in engine control units, body electronics modules, and transmission control systems.
For engineers reviewing the S9S12GN48F0CLF datasheet, S9S12GN48F0CLF pinout, S9S12GN48F0CLF application, or S9S12GN48F0CLF equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, CAN bus integration, Flash memory endurance (100k erase/write cycles), and support for BDM-based flash programming and real-time debugging in safety-critical embedded environments.
Technical Context
The S9S12GN48F0CLF implements the S12 CPU12 core with 16-bit data path and 24-bit address space, executing instructions at up to 50 MIPS via internal PLL clock multiplication. Its memory subsystem includes 48 KB of user-programmable Flash with single-bit error correction and double-bit error detection, plus 4 KB of static RAM with parity protection.
Peripheral integration includes a scalable Controller Area Network (MSCAN) module compliant with ISO 11898-1, an 8-channel 10-bit ADC with configurable sample-and-hold and external trigger support, and an 8-channel PWM subsystem with center-aligned and edge-aligned modes, independent dead-time insertion, and fault protection inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 24-bit addressing; enables deterministic real-time control in resource-constrained automotive ECUs. |
| Flash Memory | 48 KB on-chip Flash with ECC; supports 100,000 erase/write cycles and 20-year data retention at 125°C - critical for long-life vehicle platforms. |
| SRAM | 4 KB on-chip SRAM with parity checking; provides reliable runtime data storage with error detection for ASIL-B–aligned applications. |
| CAN Interface | One MSCAN 2.0B module with 32-message object buffers; enables robust, prioritized message handling in distributed vehicle networks. |
| ADC | 10-bit SAR ADC with 8 input channels, 12.5 µs conversion time, and programmable sampling triggers; suitable for sensor signal acquisition in motor control and battery monitoring. |
| PWM | 8-channel 16-bit PWM with independent period/duty control, dead-time generation, and emergency shutdown inputs; supports precise actuator drive in HVAC and lighting systems. |
| Operating Temperature | -40°C to +125°C ambient; qualified per AEC-Q100 Grade 1 - certified for under-hood and powertrain applications. |
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 rails | VDD (digital core), VDDA (analog), VDDX (external oscillator); separate domains minimize noise coupling between logic and analog subsystems. |
| VSS, VSSA, VSSX | Ground terminals | Dedicated digital/analog/oscillator ground pins enable clean return paths and reduce EMI in mixed-signal operation. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external watchdog or power-on reset signals for system-level fault recovery. |
| PORTA[7:0] | General-purpose I/O / ADC inputs | Configurable as GPIO or analog inputs AD0–AD7; supports simultaneous sampling across multiple channels for synchronized sensor reads. |
| PORTB[7:0] | General-purpose I/O / CAN TX/RX | Includes CANH/CANL differential pair on PB0/PB1; enables direct connection to physical transceiver without external routing. |
| PORTC[7:0] | General-purpose I/O / PWM outputs | Eight dedicated PWM output pins (PWM0–PWM7); supports complementary output pairs with programmable dead time for half-bridge drivers. |
| PORTD[7:0] | General-purpose I/O / SCI/SPI | SCI0 (TXD0/RXD0) and SPI0 (MOSI/MISO/SCK/SS) mapped to PD0–PD7; allows serial communication with sensors, EEPROMs, or display controllers. |
| PORTP[7:0] | General-purpose I/O / BDM interface | Includes BKGD (background debug) and RESET pins; enables non-intrusive firmware update and real-time variable inspection during operation. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 48 KB Flash with single-bit correction and double-bit detection ensures functional safety compliance (ISO 26262 ASIL-B) without external error-handling overhead. |
| Integrated MSCAN 2.0B | Hardware-accelerated CAN protocol stack with 32 message objects and flexible ID filtering reduces CPU load and guarantees deterministic latency in networked ECUs. |
| Background Debug Module (BDM) | Single-wire BDM interface enables full-speed debugging, flash programming, and register inspection without halting real-time peripherals - essential for production calibration. |
| AEC-Q100 Grade 1 Qualification | Validated for operation from -40°C to +125°C with extended reliability testing (HTOL, TC, UHST); eliminates need for derating in high-temperature under-hood deployments. |
| Low-power Stop/Wake Modes | Multiple low-power states (Stop, Wait, Pseudo-Stop) with wake-on-interrupt or external pin event; extends battery life in always-on modules like gateway controllers. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time management of fuel injection timing, ignition spark advance, and throttle position feedback in gasoline engines. IC Role / Device Role / Timing Role: Primary control MCU coordinating sensor inputs (MAP, TPS, crank/cam), actuator outputs (injectors, coils), and CAN communication with dashboard and transmission modules. Use Value: Deterministic 25 MHz execution and hardware CAN buffering ensure sub-100 µs response to critical events like knock detection or misfire monitoring. |
Use Scenario: Centralized control of door locks, window lifts, interior lighting, and mirror adjustment in modern passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves, driving discrete loads via GPIO/PWM, and managing power sequencing across multiple subsystems. Use Value: Integrated 4 KB SRAM with parity and Flash ECC provide data integrity for stored user preferences and fault logs over 15+ year vehicle lifetimes. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
Use Scenario: Closed-loop control of solenoid valves and clutch pressure in automatic transmissions using feedback from speed and pressure sensors. IC Role / Device Role / Timing Role: Safety-aware controller executing ASIL-B–compliant algorithms, performing self-diagnostics, and communicating torque requests via CAN FD-capable MSCAN. Use Value: 10-bit ADC with external trigger synchronization enables precise correlation between shaft position and hydraulic pressure sampling for adaptive shift calibration. |
Use Scenario: Torque assist computation and motor phase current regulation in brushless DC steering motors. IC Role / Device Role / Timing Role: Real-time motor controller running FOC algorithms, acquiring current/voltage feedback via ADC, and generating PWM gate signals with <1 µs jitter. Use Value: 8-channel PWM with independent dead-time control and fault shutdown inputs prevent shoot-through in three-phase inverter bridges during transient faults. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12GN32F0CLF | 32 KB Flash, same package and peripheral set; reduced code capacity limits complex diagnostics or OTA update partitions. | Suitable for cost-sensitive entry-level BCMs where feature set fits within 32 KB; not recommended for future-proofed ECU designs requiring >40 KB for ASW + RTE + bootloader. | Select when BOM cost reduction is primary and software footprint remains ≤28 KB after toolchain optimization. |
| S9S12G48F0MLF | Same 48 KB Flash and peripherals but rated for -40°C to +105°C (Grade 2); lacks AEC-Q100 Grade 1 certification. | Acceptable for cabin modules (HVAC, infotainment) but excluded from powertrain or chassis applications requiring Grade 1 validation. | Choose only for non-safety-critical interior systems where extended temperature range is unnecessary and qualification documentation is not required. |
Compared with S9S12GN48F0CLF, the S9S12GN32F0CLF trades Flash capacity for lower unit cost while retaining identical pinout and qualification, whereas the S9S12G48F0MLF sacrifices automotive Grade 1 qualification for broader commercial availability - making the S9S12GN48F0CLF the sole option meeting full AEC-Q100 Grade 1 requirements with 48 KB Flash in LQFP-64.
Availability
S9S12GN48F0CLF is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control systems requiring stable component supply across multi-year automotive production programs.
Supply support for S9S12GN48F0CLF 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 S9S12GN48F0CLF belongs to the S12G microcontroller family, designed specifically for cost-optimized, ASIL-B–capable automotive applications including powertrain, chassis, and body electronics where high reliability and long-term supply stability are mandatory.
FAQ
What is the maximum operating frequency of the S9S12GN48F0CLF?
The S9S12GN48F0CLF operates at a maximum core frequency of 25 MHz, achieved via its internal Phase-Locked Loop (IPLL) that multiplies the external crystal or internal RC oscillator. This yields up to 50 MIPS performance, sufficient for real-time control loops in engine management and transmission systems. The S9S12GN48F0CLF maintains timing accuracy across its full -40°C to +125°C operating range due to factory-trimmed oscillator calibration.
Does the S9S12GN48F0CLF support CAN FD?
No, the S9S12GN48F0CLF integrates the legacy MSCAN 2.0B module compliant with ISO 11898-1, supporting classical CAN up to 1 Mbps only. It does not implement CAN FD features such as flexible data-rate or extended payload. For CAN FD capability, designers must select newer families like S32K1 or S32K3. The S9S12GN48F0CLF remains widely deployed in existing vehicle platforms where classical CAN meets bandwidth and protocol requirements.
What debug interface does the S9S12GN48F0CLF use?
The S9S12GN48F0CLF uses the Background Debug Mode (BDM) interface, implemented via a single-wire BKGD pin. This allows non-intrusive flash programming, real-time register inspection, and breakpoint-based debugging without halting peripheral timers or CAN message transmission. The S9S12GN48F0CLF supports standard BDM commands and is compatible with NXP's Cyclone Pro and Multilink FX debug probes.
Is the S9S12GN48F0CLF qualified for automotive use?
Yes, the S9S12GN48F0CLF is fully qualified to AEC-Q100 Grade 1 standards (-40°C to +125°C), with test reports covering HTOL, temperature cycling, ESD, and latch-up. It includes built-in hardware features required for ASIL-B compliance, including Flash ECC, SRAM parity, and lock-step capable peripherals. The S9S12GN48F0CLF is approved for use in engine control, braking, and steering systems where functional safety is mandated.
How much user-accessible Flash and RAM does the S9S12GN48F0CLF provide?
The S9S12GN48F0CLF provides 48 KB of user-programmable Flash memory with ECC protection and 4 KB of on-chip SRAM with parity checking. All Flash and RAM are directly accessible by the S12 CPU12 core without wait states at maximum frequency. The S9S12GN48F0CLF reserves no memory for boot ROM or hidden configuration - the full 48 KB Flash and 4 KB SRAM are available for application code and data storage.
S9S12GN48F0CLF 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12GN48F0CLF FAQ
1.How can I place an order for S9S12GN48F0CLF through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12GN48F0CLF 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 S9S12GN48F0CLF reliable?
The price and inventory of S9S12GN48F0CLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12GN48F0CLF is usually 5 days.
3.What payment methods are accepted for S9S12GN48F0CLF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12GN48F0CLF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12GN48F0CLF?
S9S12GN48F0CLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12GN48F0CLF 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 S9S12GN48F0CLF?
For technical support, including S9S12GN48F0CLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12GN48F0CLF requirements.
6.How does Aetrix verify that S9S12GN48F0CLF is sourced from the original manufacturer or authorized distributors?
All S9S12GN48F0CLF 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 S9S12GN48F0CLF meets industry standards.
7.What is the process for return or replacement of S9S12GN48F0CLF?
All S9S12GN48F0CLF units undergo pre-shipment inspection (PSI). If there is an issue with S9S12GN48F0CLF, 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 S9S12GN48F0CLF part is unused and in its original packaging.
Return procedure for S9S12GN48F0CLF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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