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NXP Semiconductors S9S12VR48AF0MLC
- Part No.:
- S9S12VR48AF0MLC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S12VR48AF0MLC.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,549
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Product details
Overview
S9S12VR48AF0MLC from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12-based automotive microcontroller with integrated LIN physical layer, high-side and low-side drivers, 48 KB Flash, 4 KB RAM, and on-chip voltage regulator. It operates at up to 25 MHz bus frequency, supports 5 V single-supply operation, and targets body control modules requiring robust I/O, analog sensing, and local interconnect networking.
For engineers reviewing the S9S12VR48AF0MLC datasheet, S9S12VR48AF0MLC pinout, S9S12VR48AF0MLC application, or S9S12VR48AF0MLC equivalent, key selection criteria include LINPHY compliance, integrated HSDRV/LSDRV drive capability (1.0 A sink/source), BATS supply voltage monitoring, and 48-pin LQFP package compatibility with automotive-grade thermal and EMI requirements.
Technical Context
The S9S12VR48AF0MLC implements the HCS12 CPU12 core with 16-bit data path and 24-bit addressing, executing instructions from on-chip Flash with ECC protection. Its clock system integrates an internal RC oscillator (IRC), external crystal interface (XOSCLCP), and PLL for programmable bus frequencies up to 25 MHz.
It embeds dedicated hardware modules including ADC12B6CV2 (12-bit, 6-channel), TIM16B4CV3 (16-bit timer with 4 channels), S12PWM8B8CV2 (8-bit PWM with 8 channels), and S12LINPHYV2 - a fully compliant LIN 2.2A physical layer transceiver with wake-up detection and bus fault protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit address space and 1.25 MIPS/MHz performance |
| Flash Memory | 48 KB on-chip Flash with ECC, supporting in-circuit programming and secure boot |
| RAM | 4 KB on-chip SRAM with retention during stop modes |
| Bus Frequency | Up to 25 MHz - enables real-time response in body control timing-critical functions |
| LIN PHY | S12LINPHYV2 compliant with LIN 2.2A, including slave node auto-synchronization and bus short-circuit protection |
| High-Side Drivers | Integrated HSDRV module with 4 channels, each rated 1.0 A continuous sink current and thermal shutdown |
| Analog Input | ADC12B6CV2: 12-bit resolution, 6 input channels, 8 µs conversion time, referenced to VDDA/VSSA |
Pinout & Package
Package: 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, automotive-grade (–40°C to +125°C ambient).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power/ground | Supplies 5 V logic domain; requires local 100 nF decoupling per pair |
| VDDA, VSSA | Analog reference supply/ground | Isolated analog domain for ADC and LINPHY; must be filtered separately |
| XTAL, EXTAL | Crystal oscillator inputs | Supports 1–8 MHz external crystal for precise clock source and PLL reference |
| LIN_TX, LIN_RX | LIN bus differential interface | Direct connection to LIN bus; no external transceiver needed - reduces BOM count |
| HSD0–HSD3 | High-side driver outputs | Open-drain outputs with internal pull-up; each drives resistive/inductive loads up to 1.0 A |
| LSD0–LSD3 | Low-side driver outputs | Ground-switching outputs with overcurrent protection and diagnostics |
| AD0–AD5 | Analog input channels | Single-ended inputs compatible with battery voltage, temperature, and sensor signals |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts 5 V tolerant signal |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LIN Physical Layer | Eliminates need for external LIN transceiver - reduces component count and PCB area in door modules and seat controllers |
| On-Chip Voltage Regulator (VREG) | Generates internal VDDF (5 V) and VDD (5 V) from single 5–27 V battery input - simplifies power architecture |
| Battery Supply Monitor (BATS) | Measures raw battery voltage (VBAT) with ±1% accuracy across temperature - enables reliable low-voltage warning and sleep/wake decisions |
| Background Debug Module (BDM) | Single-wire debug interface supporting flash programming, breakpoint insertion, and real-time register inspection without halting peripherals |
| System Integrity Support | Includes COP watchdog timer, clock monitor, and illegal opcode detection - meets ASIL-B functional safety requirements |
Applications
| Door Control Module | Seat Position Controller |
|---|---|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting in automotive door assemblies. IC Role / Device Role / Timing Role: Primary MCU managing LIN communication with body controller, driving HSDRV/LSDRV for motor and solenoid actuation, and sampling door switch status via GPIO/ADC. Use Value: Reduces external components by integrating LIN PHY, drivers, and voltage regulation - lowers system cost and improves reliability in harsh vibration environments. | Use Scenario: Motorized adjustment of seat position, lumbar support, and heating elements in premium vehicle seating systems. IC Role / Device Role / Timing Role: Real-time motor control using PWM outputs, closed-loop feedback via ADC (potentiometer/resolver), and LIN-based command reception from central HVAC or infotainment unit. Use Value: Enables deterministic 25 MHz bus timing for synchronized multi-axis motion control while maintaining diagnostic coverage via built-in overcurrent and thermal fault reporting. |
| Roof Module Controller | Trunk/Liftgate Actuator |
Use Scenario: Management of sunroof sliding/tilt, panoramic roof panels, and ambient lighting in overhead modules. IC Role / Device Role / Timing Role: LIN slave node receiving position commands, executing smooth motor profiles via PWM, and monitoring limit switches and temperature sensors through ADC/GPIO. Use Value: Integrated BATS monitoring ensures safe operation during battery voltage sag (e.g., cranking), preventing unintended actuation or stall-induced thermal damage. | Use Scenario: Automatic liftgate opening/closing with obstacle detection, soft-stop, and anti-pinch functionality. IC Role / Device Role / Timing Role: Safety-critical controller interfacing with Hall-effect sensors, current-sense ADC, and LIN for status reporting; uses LSDRV for motor direction control and HSDRV for brake activation. Use Value: On-chip LINPHY and driver diagnostics meet OEM requirements for ISO 17987-4 compliance and enable end-of-line calibration without additional test fixtures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12VR64AF0MLC | 64 KB Flash, same peripheral set and pinout - larger code space for complex diagnostics or OTA update support | Preferred where bootloader, CAN stack, or expanded feature sets require >48 KB program memory | Select when future firmware growth or dual-bank Flash updates are required; otherwise S9S12VR48AF0MLC offers optimal cost/performance balance |
| SPC560B50L5 | 32-bit Power Architecture core, 512 KB Flash, CAN FD, but no integrated LIN PHY or HSDRV/LSDRV | Requires external LIN transceiver and discrete drivers - higher BOM and layout complexity | Choose for next-generation platforms needing CAN FD or higher compute throughput; not drop-in compatible due to architecture and peripheral differences |
Compared with MC9S12VR64AF0MLC and SPC560B50L5, the S9S12VR48AF0MLC delivers the most integrated solution for cost-sensitive, LIN-centric body electronics - minimizing external components while maintaining full ASIL-B readiness and production-proven qualification.
Availability
S9S12VR48AF0MLC is available at Aetrix Electronics and suitable for automotive door modules, seat position controllers, and roof modules requiring stable component supply, long-term lifecycle support, and AEC-Q100 Grade 1 qualification.
Supply support for S9S12VR48AF0MLC 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 leader focused on automotive, industrial, and IoT applications, delivering secure, energy-efficient, and scalable silicon solutions.
The S9S12VR family was designed specifically for automotive body electronics - integrating LIN, drivers, and power management to replace multi-chip solutions in cost- and space-constrained modules like door, seat, and roof controllers.
FAQ
What is the maximum operating temperature range for the S9S12VR48AF0MLC?
The S9S12VR48AF0MLC is qualified for automotive Grade 1 operation, with a specified ambient temperature range of –40°C to +125°C. This rating is validated per AEC-Q100 Rev G and applies to all integrated peripherals - including HSDRV, LSDRV, LINPHY, and ADC - ensuring reliable function under under-hood and cabin-mounted conditions. The S9S12VR48AF0MLC includes on-die thermal monitoring via TEMPSENSE output for system-level derating.
Does the S9S12VR48AF0MLC support CAN communication?
No, the S9S12VR48AF0MLC does not include a CAN controller or physical layer. It is purpose-built for LIN-based body networks and features only LINPHY, SCI, and SPI interfaces. CAN capability is absent from the S9S12VR48AF0MLC's module list in the MC9S12VR Family Reference Manual Rev. 3.11. For CAN-enabled variants, engineers should consider the S9S12G-family or SPC560-series devices instead of the S9S12VR48AF0MLC.
How is the LIN bus interface implemented on the S9S12VR48AF0MLC?
The S9S12VR48AF0MLC implements LIN communication via the dedicated S12LINPHYV2 module, which provides full LIN 2.2A physical layer compliance - including bus wake-up detection, short-to-battery/ground protection, and slew-rate controlled TX output. No external transceiver is required; LIN_TX and LIN_RX pins connect directly to the bus. The S9S12VR48AF0MLC pairs this with SCI-based protocol handling in firmware, enabling certified LIN slave node operation without additional ICs.
What debug interface does the S9S12VR48AF0MLC use?
The S9S12VR48AF0MLC uses the Background Debug Module (S12SBDMV1), a single-wire, 5 V-tolerant interface compatible with standard BDM tools. It supports non-intrusive flash programming, real-time register and memory access, and hardware breakpoints without halting peripheral operation. This interface is distinct from JTAG and requires no dedicated debug pins beyond BKGD and VDD - simplifying board layout versus multi-pin debug solutions.
Can the S9S12VR48AF0MLC operate from a wide-input battery supply?
Yes, the S9S12VR48AF0MLC supports direct connection to automotive battery rails via its VSUP pin, with a specified input range of 5.5 V to 27 V. Its integrated VREG subsystem generates stable internal VDD (5 V) and VDDF (5 V) supplies across this range, eliminating need for external DC-DC converters in most body electronics applications. The S9S12VR48AF0MLC also includes BATS monitoring to detect brown-out and overvoltage conditions for safe state management.
S9S12VR48AF0MLC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- S12 MagniV
- 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:
- 16
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 512 x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12VR48AF0MLC FAQ
1.How can I place an order for S9S12VR48AF0MLC through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12VR48AF0MLC 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 S9S12VR48AF0MLC reliable?
The price and inventory of S9S12VR48AF0MLC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12VR48AF0MLC is usually 5 days.
3.What payment methods are accepted for S9S12VR48AF0MLC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12VR48AF0MLC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12VR48AF0MLC?
S9S12VR48AF0MLC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12VR48AF0MLC 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 S9S12VR48AF0MLC?
For technical support, including S9S12VR48AF0MLC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12VR48AF0MLC requirements.
6.How does Aetrix verify that S9S12VR48AF0MLC is sourced from the original manufacturer or authorized distributors?
All S9S12VR48AF0MLC 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 S9S12VR48AF0MLC meets industry standards.
7.What is the process for return or replacement of S9S12VR48AF0MLC?
All S9S12VR48AF0MLC units undergo pre-shipment inspection (PSI). If there is an issue with S9S12VR48AF0MLC, 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 S9S12VR48AF0MLC part is unused and in its original packaging.
Return procedure for S9S12VR48AF0MLC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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