NXP Semiconductors S9S12G48F0MLH
- Part No.:
- S9S12G48F0MLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9S12G48F0MLH.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S9S12G48F0MLH from NXP Semiconductors is a 16-bit automotive-grade MCU 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 BDM debug interface. It is used in engine control units for real-time sensor signal acquisition and actuator command execution.
For engineers reviewing the S9S12G48F0MLH datasheet, S9S12G48F0MLH pinout, S9S12G48F0MLH application, or S9S12G48F0MLH 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 S9S12G48F0MLH implements the CPU12 core with 16-bit data path and 24-bit addressing, supporting both single-cycle and multi-cycle instructions. Its clock system integrates an internal RC oscillator (1–8 MHz), external crystal input (up to 32 MHz), and PLL for scalable CPU/bus frequencies up to 25 MHz.
Memory subsystem includes 48 KB Flash organized in 1-KB sectors with ECC protection, 4 KB SRAM, and configurable wait states for external memory access. Peripheral set includes one MSCAN module with message buffers, two SCI interfaces, one SPI, 8-channel 10-bit ADC with flexible trigger sources, and 8-channel 8-bit PWM with center-aligned mode support.
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 |
| Flash Memory | 48 KB with ECC, 100k erase/write cycles, sector-erase capability |
| SRAM | 4 KB static RAM with byte/word access and retention in stop mode |
| Max Core Frequency | 25 MHz - enables deterministic real-time response within 40 ns instruction cycle |
| Operating Temperature | -40°C to +125°C - qualified per AEC-Q100 Grade 1 for under-hood automotive use |
| CAN Interface | One MSCAN 2.0B module with 15 message buffers and programmable bit timing |
| ADC Resolution | 10-bit SAR ADC with 8 input channels, 12.5 µs conversion time, and hardware-triggered sequencing |
| PWM Channels | 8 independent 8-bit PWM channels with dead-time insertion and center-aligned mode support |
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 | Separate digital (VDD), analog (VDDA), and XOSC (VDDX) rails reduce noise coupling into ADC and oscillator circuits |
| VSS, VSSA, VSSX | Ground returns | Dedicated analog ground (VSSA) and oscillator ground (VSSX) improve signal integrity for precision analog functions |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode quartz crystals from 4–32 MHz; internal load capacitors configurable via register |
| RESET | Active-low reset input | Asynchronous, Schmitt-triggered input with internal pull-up; initiates cold start or watchdog timeout recovery |
| PORTA[7:0] | General-purpose I/O with interrupt capability | Configurable as digital I/O, ADC inputs, or PWM outputs; supports edge-sensitive IRQ on PA0–PA3 |
| PORTB[7:0] | General-purpose I/O with CAN and SCI functions | Includes CANRX/CANTX (PB0/PB1), SC0TX/SC0RX (PB2/PB3), and ADC channel inputs |
| PORTC[7:0] | General-purpose I/O with SPI and timer functions | Includes SPI MOSI/MISO/SCK (PC0–PC2), TIMCH0–TIMCH3 (PC4–PC7), and PWM outputs |
| PORTD[7:0] | General-purpose I/O with ADC and PWM functions | Provides ADC inputs AD0–AD7 and PWM outputs PWM0–PWM7; supports analog input multiplexing |
| PORTP[7:0] | General-purpose I/O with background debug | Includes BKGD (P0) for single-wire BDM communication and P1–P7 for GPIO or peripheral functions |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive operation from -40°C to +125°C ambient, enabling deployment in engine control modules |
| On-chip Flash with ECC | Detects and corrects single-bit errors in real time, ensuring firmware integrity over 15+ year vehicle lifetimes |
| Integrated MSCAN 2.0B | Reduces BOM count by eliminating external CAN transceiver for basic node applications; supports automatic wakeup on bus activity |
| Background Debug Module (BDM) | Enables non-intrusive debugging via single-wire interface without halting real-time operation or requiring JTAG pins |
| Programmable ADC trigger sources | Allows synchronization of analog sampling with PWM edges or timer events, critical for motor current sensing accuracy |
| Low-power stop/wait modes | Reduces current consumption to <10 µA in stop mode with RTC and selected wake-up sources active |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time processing of crankshaft position, throttle angle, and oxygen sensor signals to compute fuel injection timing and duration. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop combustion control algorithms with sub-millisecond latency requirements. Use Value: Integrated 10-bit ADC with hardware-triggered sampling ensures precise synchronization with engine rotation, improving air-fuel ratio accuracy by ±0.5%. | Use Scenario: Monitoring transmission fluid temperature, turbine speed, and solenoid feedback to manage gear shift logic and torque converter lockup. IC Role / Device Role / Timing Role: Deterministic real-time controller managing PWM-driven solenoids and interpreting CAN messages from ECU and ABS modules. Use Value: On-chip MSCAN 2.0B enables direct integration into vehicle CAN backbone without external transceiver, reducing PCB area by 12 mm². |
| Body Control Module (BCM) | Electric Power Steering (EPS) |
Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC fan speed using discrete I/O and PWM outputs. IC Role / Device Role / Timing Role: Low-cost, high-reliability microcontroller handling multiple asynchronous inputs and driving resistive/inductive loads. Use Value: 64-pin LQFP package provides sufficient I/O (56 GPIO) while maintaining thermal performance in sealed plastic enclosures. | Use Scenario: Closed-loop torque assist control using motor current feedback, steering angle, and vehicle speed inputs. IC Role / Device Role / Timing Role: Safety-critical MCU performing ASIL-B compliant motor control with redundant ADC sampling and fault detection. Use Value: ECC-protected Flash and BDM debug support enable ISO 26262-compliant development and field firmware updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G48F0VHLH | Same die, but in 64-pin TQFP with different thermal pad design and moisture sensitivity level (MSL 3 vs MSL 2a) | Identical functional specification; suited for reflow profiles requiring lower moisture sensitivity | Select when board assembly uses lead-free reflow with tighter humidity control or requires alternate thermal dissipation profile |
| MC9S12GC48CPVE | Legacy 64-pin LQFP variant with identical Flash/SRAM/peripherals but older mask set (no AEC-Q100 rev. G compliance) | Lacks latest automotive qualification documentation; not recommended for new designs targeting OEM Tier-1 approval | Use only for legacy repair or second-source continuity where qualification recertification is not required |
Compared with S9S12G48F0MLH, the S9S12G48F0VHLH offers identical functionality in a thermally optimized package for high-volume SMT lines, while the MC9S12GC48CPVE serves as a legacy drop-in for maintenance but lacks current AEC-Q100 revision compliance.
Availability
S9S12G48F0MLH is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and body control modules requiring stable component supply across extended automotive production lifecycles.
Supply support for S9S12G48F0MLH 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 S9S12G48F0MLH belongs to NXP's S12G automotive MCU product line, designed specifically for cost-sensitive, safety-aware engine and chassis control applications requiring AEC-Q100 qualification and long-term supply stability.
FAQ
What is the maximum operating frequency of the S9S12G48F0MLH?
The S9S12G48F0MLH supports a maximum core frequency of 25 MHz, achieved via its internal PLL configured from either the internal RC oscillator or an external crystal source. This frequency enables deterministic execution of automotive control loops with worst-case interrupt latency under 2.5 µs. The S9S12G48F0MLH maintains full peripheral functionality-including CAN, ADC, and PWM-at this speed, and all timing specifications in the datasheet are validated at 25 MHz and -40°C to +125°C.
Does the S9S12G48F0MLH include built-in CAN physical layer support?
No, the S9S12G48F0MLH integrates only the MSCAN 2.0B controller (data link layer), not the physical transceiver. An external CAN transceiver such as the TJA1042 or SN65HVD230 must be used to drive the differential CAN_H/CAN_L bus. The S9S12G48F0MLH provides dedicated CANTX and CANRX pins on PORTB, and its MSCAN module supports automatic wakeup, message buffering, and bit-rate configuration up to 1 Mbps.
What debug interface does the S9S12G48F0MLH support?
The S9S12G48F0MLH supports the Background Debug Module (BDM) interface via the BKGD pin on PORTP0, using a single-wire serial protocol compatible with standard BDM debug pods and CodeWarrior IDE. It does not support JTAG or SWD. The BDM interface allows full read/write memory access, breakpoint setting, and real-time variable monitoring without halting the CPU, and remains functional even during low-power stop modes when enabled.
Is the S9S12G48F0MLH qualified to AEC-Q100 standards?
Yes, the S9S12G48F0MLH is qualified to AEC-Q100 Grade 1, covering operation from -40°C to +125°C ambient temperature, with full test reports for HTOL, TC, ESD, and AC/DC parametric validation. This qualification applies specifically to the MLH package variant and is documented in NXP's official AEC-Q100 certificate for part number S9S12G48F0MLH, revision 1.28 of the MC9S12G Family Reference Manual.
How much user-accessible Flash and RAM does the S9S12G48F0MLH provide?
The S9S12G48F0MLH provides 48 KB of on-chip Flash memory and 4 KB of SRAM, both fully accessible to user code. Flash is organized in 1-KB sectors with ECC protection, and SRAM retains data during stop mode when configured appropriately. Bootloader space occupies the first 2 KB of Flash, leaving 46 KB for application code and constants. No external memory interface is provided - all program and data execution occurs from internal memory.
S9S12G48F0MLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 12V1
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, IrDA, LINbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 54
- 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12G48F0MLH FAQ
1.How can I place an order for S9S12G48F0MLH through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G48F0MLH 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 S9S12G48F0MLH reliable?
The price and inventory of S9S12G48F0MLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G48F0MLH is usually 5 days.
3.What payment methods are accepted for S9S12G48F0MLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G48F0MLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G48F0MLH?
S9S12G48F0MLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G48F0MLH 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 S9S12G48F0MLH?
For technical support, including S9S12G48F0MLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G48F0MLH requirements.
6.How does Aetrix verify that S9S12G48F0MLH is sourced from the original manufacturer or authorized distributors?
All S9S12G48F0MLH 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 S9S12G48F0MLH meets industry standards.
7.What is the process for return or replacement of S9S12G48F0MLH?
All S9S12G48F0MLH units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G48F0MLH, 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 S9S12G48F0MLH part is unused and in its original packaging.
Return procedure for S9S12G48F0MLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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