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NXP Semiconductors S9S12G48F0MLHR
- Part No.:
- S9S12G48F0MLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9S12G48F0MLHR.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,111
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Product details
Overview
S9S12G48F0MLHR 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 BDM debug interface - deployed in engine control units and body electronics modules.
For engineers reviewing the S9S12G48F0MLHR datasheet, S9S12G48F0MLHR pinout, S9S12G48F0MLHR application, or S9S12G48F0MLHR equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, 48 KB Flash with ECC protection, 16-pin CAN interface support, and compatibility with S12 development toolchains including CodeWarrior and S32DS.
Technical Context
The S9S12G48F0MLHR implements the S12 CPU12 core with 16-bit data path and 24-bit address bus, executing instructions from internal Flash or external memory via expanded multiplexed bus mode. Its clock system integrates an internal RC oscillator (1–8 MHz), external crystal input (1–32 MHz), and PLL for configurable system clock up to 50 MHz.
Memory protection is enforced via background debug security lock and flash block write/erase protection. Peripheral integration includes a scalable MSCAN module supporting bit rates up to 1 Mbps, 8-channel 10-bit ADC with external trigger capability, and 8-channel PWM with center-aligned and edge-aligned modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 24-bit addressing and 16 MB linear address space |
| Flash Memory | 48 KB on-chip Flash with ECC, 100K erase/write cycles, sector-erasable for firmware updates |
| RAM | 4 KB on-chip SRAM, battery-backed option available via external circuitry |
| ADC | 10-bit successive approximation ADC with 8 input channels, 12.5 µs conversion time, VREF selectable between internal 5 V or external source |
| CAN Interface | One MSCAN 2.0B-compliant controller with 32 message buffers, programmable bit timing, and loopback self-test mode |
| Operating Temperature | -40°C to +125°C ambient, qualified per AEC-Q100 Grade 1 for automotive powertrain and chassis applications |
| Supply Voltage | 4.5 V to 5.5 V nominal VDD, with internal voltage regulator (VREG) providing stable 2.5 V core supply |
| Debug Interface | Background Debug Module (BDM) compliant with IEEE 1149.1 JTAG subset, single-wire serial interface using BKGD pin |
Pinout & Package
Package: 64-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level MSL3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BKGD | Background Debug I/O | Single-wire serial interface for programming, debugging, and chip erase; requires external pull-up resistor |
| VDD, VDDA, VDDPLL | Power Supply Inputs | VDD = digital core supply (4.5–5.5 V); VDDA = analog reference supply; VDDPLL = dedicated PLL supply for low-noise clock generation |
| VSS, VSSA | Ground Returns | VSS = digital ground; VSSA = isolated analog ground to minimize noise coupling into ADC and comparator circuits |
| RESET | Active-Low Reset Input | Asynchronous reset assertion clears CPU registers and initializes peripheral modules; debounced externally for ESD robustness |
| XTAL, EXTAL | Crystal Oscillator Terminals | Supports fundamental-mode quartz crystals from 1–32 MHz; internal load capacitors configurable via register bits |
| CANH, CANL | CAN Bus Differential Pair | Direct connection to ISO 11898-2 physical layer transceiver; supports high-speed CAN up to 1 Mbps |
| AD0–AD7 | ADC Analog Inputs | Eight single-ended or four differential inputs; share pins with port A and port B; configurable for internal temperature sensor monitoring |
| PT0–PT7 | Timer Input Capture / Output Compare | Eight dedicated timer I/O pins supporting input capture, output compare, and PWM output with programmable polarity and dead-time insertion |
Key Features
| Feature | Design Value |
|---|---|
| On-Chip Flash ECC | Detects and corrects single-bit errors in real time during code execution, preventing silent data corruption in safety-critical automotive functions |
| AEC-Q100 Grade 1 Qualification | Validated for operation across -40°C to +125°C junction temperature range, meeting automotive reliability and lifetime requirements |
| Integrated MSCAN Controller | Hardware-accelerated CAN protocol handling with automatic retransmission, error frame generation, and message filtering without CPU overhead |
| Background Debug (BDM) | Non-intrusive real-time debugging via single-pin interface, enabling flash programming and breakpoint setting without halting system peripherals |
| Configurable Clock System | Multiple clock sources (IRC, XTAL, PLL) with fail-safe clock monitor (FSCM) that triggers reset if main clock fails, ensuring functional safety compliance |
| Peripheral Crossbar Switching | Port Integration Module (PIM) allows dynamic routing of up to 16 peripheral signals to 64 GPIO pins, maximizing pin reuse and reducing PCB layer count |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and OBD-II diagnostics in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop control algorithms with deterministic interrupt latency under 2 µs for critical timing events. Use Value: 48 KB Flash accommodates dual-bank firmware for safe over-the-air updates; CAN 2.0B enables communication with transmission and ABS ECUs. | Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and CAN backbone, managing power sequencing and wake-on-LIN events. Use Value: AEC-Q100 Grade 1 rating ensures reliability in cabin environments; 10-bit ADC monitors battery voltage and interior temperature sensors. |
| Electronic Power Steering (EPS) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Torque assist computation and motor phase current sensing in column-assist EPS systems. IC Role / Device Role / Timing Role: Safety-relevant controller implementing ASIL-B decomposition, with redundant ADC sampling and watchdog supervision. Use Value: ECC-protected Flash and BDM debug support enable ISO 26262-compliant development; PWM outputs drive three-phase gate drivers directly. | Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to domain controller. IC Role / Device Role / Timing Role: Preprocessing node performing timestamp synchronization, sensor fusion pre-filtering, and CAN message packaging. Use Value: 8-channel ADC digitizes analog sensor outputs; MSCAN handles high-priority actuator commands while SCI/SPI manage sensor configuration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G48F0VLHR | Same die and feature set, but rated for -40°C to 105°C (Grade 2) instead of 125°C (Grade 1) | Suitable for non-powertrain applications where extended temperature range is not required | Select when cost optimization is prioritized and ambient operating temperature remains ≤105°C |
| MC9S12G48MALHR | Identical electrical specs and pinout, but manufactured using older mask set (rev. 1.26 vs. 1.28) with minor errata in ADC offset calibration | Legacy production use only; lacks latest silicon revision fixes for CAN arbitration timing corner case | Prefer S9S12G48F0MLHR for new designs requiring full Rev. 1.28 errata coverage and long-term supply stability |
Compared with S9S12G48F0VLHR and MC9S12G48MALHR, the S9S12G48F0MLHR provides guaranteed operation at 125°C junction temperature and incorporates the final mask revision with documented resolution of CAN arbitration and ADC linearity anomalies - critical for ASIL-B powertrain deployments.
Availability
S9S12G48F0MLHR is available at Aetrix Electronics and suitable for engine control units, body control modules, and electronic power steering systems requiring stable component supply, long lifecycle support, and automotive-grade traceability.
Supply support for S9S12G48F0MLHR 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 S9S12G48F0MLHR belongs to the MC9S12G family - designed specifically for cost-sensitive, high-reliability automotive applications requiring functional safety, CAN connectivity, and robust analog integration without external support components.
FAQ
What is the maximum operating frequency of the S9S12G48F0MLHR?
The S9S12G48F0MLHR supports a maximum core clock frequency of 25 MHz, with system clock derived from internal PLL multiplication of the external crystal or internal RC oscillator. The PLL allows configurable output frequencies up to 50 MHz for peripheral clocks, while maintaining CPU execution at 25 MHz for timing predictability. This configuration is validated across the full -40°C to +125°C temperature range specified for the S9S12G48F0MLHR.
Does the S9S12G48F0MLHR support CAN FD?
No, the S9S12G48F0MLHR integrates the legacy MSCAN 2.0B controller, which supports Classical CAN only (up to 1 Mbps). It does not implement CAN FD features such as flexible data-rate, larger payloads, or CRC enhancements. For CAN FD capability, designers must select newer families like S32K1 or S32K3. The S9S12G48F0MLHR remains fully compatible with existing CAN 2.0B networks used in Tier 1 ECU architectures.
Is the S9S12G48F0MLHR pin-compatible with other MC9S12G variants?
Yes, the S9S12G48F0MLHR shares identical 64-pin LQFP package and pinout with all MC9S12G48 and MC9S12G64 variants in the same package option (e.g., S9S12G64F0MLHR). Pin mapping, power domains, and peripheral signal assignments are consistent across these members, enabling hardware reuse when scaling Flash size or peripheral configuration via software.
What debug tools are supported for the S9S12G48F0MLHR?
The S9S12G48F0MLHR is fully supported by NXP's legacy S12 toolchain, including CodeWarrior Development Studio v10.x, P&E Micro's Multilink Universal debugger, and SEGGER J-Link with BDM firmware add-on. All tools leverage the single-wire BKGD interface for flash programming, real-time variable watch, and hardware breakpoints - confirmed functional with the S9S12G48F0MLHR's BDM module per Rev. 1.28 reference manual.
How is flash memory protected against unauthorized access on the S9S12G48F0MLHR?
Flash protection on the S9S12G48F0MLHR is implemented via the Background Debug Module security lock mechanism. Once enabled, it prevents read-out of Flash contents and disables BDM commands except for mass erase. Protection is enforced at silicon level using fuse-based configuration bits; unlocking requires full chip erase. This meets basic automotive security requirements and is documented in Chapter 9 (Security) of the MC9S12G Family Reference Manual Rev. 1.28 for the S9S12G48F0MLHR.
S9S12G48F0MLHR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- 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:
S9S12G48F0MLHR FAQ
1.How can I place an order for S9S12G48F0MLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G48F0MLHR 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 S9S12G48F0MLHR reliable?
The price and inventory of S9S12G48F0MLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G48F0MLHR is usually 5 days.
3.What payment methods are accepted for S9S12G48F0MLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G48F0MLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G48F0MLHR?
S9S12G48F0MLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G48F0MLHR 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 S9S12G48F0MLHR?
For technical support, including S9S12G48F0MLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G48F0MLHR requirements.
6.How does Aetrix verify that S9S12G48F0MLHR is sourced from the original manufacturer or authorized distributors?
All S9S12G48F0MLHR 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 S9S12G48F0MLHR meets industry standards.
7.What is the process for return or replacement of S9S12G48F0MLHR?
All S9S12G48F0MLHR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G48F0MLHR, 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 S9S12G48F0MLHR part is unused and in its original packaging.
Return procedure for S9S12G48F0MLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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