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NXP Semiconductors S9S12VR32F0VLC
- Part No.:
- S9S12VR32F0VLC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S12VR32F0VLC.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,596
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Product details
Overview
S9S12VR32F0VLC from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12-based automotive microcontroller with integrated LIN physical layer, high-side and low-side drivers, 32 KB on-chip Flash, 2 KB RAM, and embedded voltage regulator. It operates at up to 25 MHz bus speed, supports LIN 2.1/SAE J2602 communication, and targets body control modules requiring robust I/O, power switching, and system-level fault management.
For engineers reviewing the S9S12VR32F0VLC datasheet, S9S12VR32F0VLC pinout, S9S12VR32F0VLC application, or S9S12VR32F0VLC equivalent, key selection criteria include LINPHY compliance, integrated HSDRV/LSDRV drive capability, on-chip VREG output stability, Flash ECC support, and 32-pin LQFP package compatibility with automotive PCB layout constraints.
Technical Context
The S9S12VR32F0VLC implements the HCS12 CPU12 core with 16-bit data path and 24-bit address space, executing instructions from internal Flash with single-cycle access at 25 MHz bus clock. Its CPMU unit integrates PLL, IRC, and XOSC clock sources with configurable prescalers and multiple low-power stop modes.
System-level integration includes dedicated LINPHY transceiver compliant with ISO 17987-4, dual HSDRV channels (1.5 A sink), four LSDRV channels (0.5 A sink), BATS supply voltage sensing, and ADC12B6CV2 with 6-channel 10-bit conversion - all mapped into a unified memory space with banked addressing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing, supporting 1–2 cycle instruction execution at 25 MHz bus clock |
| Memory | 32 KB on-chip Flash with ECC protection; 2 KB SRAM; no external memory interface |
| LIN Interface | Integrated LINPHY v2 compliant with ISO 17987-4 and SAE J2602, supporting auto-baud detection and slave node operation |
| Driver Integration | 2-channel high-side driver (HSDRV): 1.5 A continuous sink, thermal shutdown; 4-channel low-side driver (LSDRV): 0.5 A continuous sink |
| Supply & Regulation | On-chip VREG provides regulated 5 V ±5% output (VDD) from 5.5–27 V input (VSUP); BATS monitors VSUP with 10-bit ADC resolution |
| Package | 32-pin LQFP (7 × 7 mm, 0.8 mm pitch), RoHS-compliant, automotive-grade (–40°C to +125°C ambient) |
| Clock Sources | Internal RC oscillator (IRC, 1–8 MHz), external crystal (XOSC, 1–8 MHz), and PLL with programmable multiplication factor (N = 1–32) |
Pinout & Package
Package: 32-pin LQFP (7 × 7 mm, 0.8 mm pitch), thermally enhanced for automotive under-hood environments. Pinout validated per MC9S12VR Family Reference Manual Rev. 3.11, Section 1.8.2 (Pinout 32-pin LQFP).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V SUP | Main power input | 5.5–27 V unregulated supply input to on-chip VREG; enables full system operation including drivers and LINPHY |
| V DD | Core logic supply | Regulated 5 V ±5% output from internal VREG; powers CPU, Flash, RAM, and digital peripherals |
| PORT P0–P3 | General-purpose I/O | Configurable as digital input/output with pull-up/polarity control; supports interrupt generation and wired-or mode |
| LIN_TX / LIN_RX | LIN bus interface | Dedicated differential pins for LINPHY transceiver; require external 1 kΩ pull-up and 1 nF capacitor to ground per ISO 17987-4 |
| HSDRV1 / HSDRV2 | High-side driver outputs | Open-drain outputs capable of sinking 1.5 A; internally current-limited and thermally protected |
| LSDRV1–LSDRV4 | Low-side driver outputs | Open-drain outputs capable of sinking 0.5 A each; support PWM dimming and load diagnostics |
| BATSV | Supply voltage sense | Analog input to BATS module; scaled 0.1× VSUP for 10-bit ADC monitoring across full operating range |
Key Features
| Feature | Design Value |
|---|---|
| LINPHY v2 integration | Eliminates external LIN transceiver IC, reduces BOM count by one component and simplifies EMC layout for automotive body networks |
| On-chip VREG with wide input range | Accepts 5.5–27 V directly from vehicle battery; removes need for external 5 V regulator in most body control applications |
| HSDRV + LSDRV co-location | Enables direct driving of resistive, inductive, and capacitive loads (e.g., lamps, solenoids, relays) without external driver stages |
| Flash ECC and BATS monitoring | Ensures data integrity during over-the-air updates and provides real-time supply health reporting for fail-safe system response |
| Background Debug Module (BDM) | Supports in-circuit debugging via single-wire BKGD pin; enables flash programming and runtime variable inspection without JTAG header |
Applications
| Automotive Door Module | Roof Console Control |
|---|---|
Use Scenario: Centralized control of power windows, door locks, mirror adjustment, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU managing LIN slave nodes (window lift motors, lock actuators), executing safety-critical timing sequences, and regulating power delivery via HSDRV/LSDRV. Use Value: Reduces system cost by integrating LINPHY, drivers, and VREG-eliminating three discrete components while maintaining ASIL-B compatible diagnostics. | Use Scenario: Occupant-controlled functions including sunroof actuation, map light dimming, and HVAC fan speed in overhead console assemblies. IC Role / Device Role / Timing Role: Real-time PWM generation for LED dimming, analog sensing of potentiometer inputs, and LIN communication with main body controller. Use Value: Enables precise 10-bit ADC sampling of analog controls and synchronized 8-bit PWM dimming at 1 kHz-without external DAC or timer ICs. |
| Seat Position Memory System | Trunk Release & Latch Control |
Use Scenario: Storing and recalling driver seat position settings using motorized actuators and limit switch feedback. IC Role / Device Role / Timing Role: Closed-loop motor control via HSDRV current limiting, position sensing via PORT P interrupts, and nonvolatile storage of seat profiles in Flash EEPROM emulation. Use Value: Achieves <10 ms response latency between button press and motor start, with built-in overcurrent detection preventing fuse blow during stall conditions. | Use Scenario: Electric trunk latch actuation with anti-pinch detection and status reporting via LIN bus. IC Role / Device Role / Timing Role: Driving latch solenoid via LSDRV4, monitoring Hall-effect sensor feedback on PORT T, and transmitting status to BCM over LINPHY. Use Value: Integrates solenoid drive, sensor interface, and LIN protocol stack in one die-reducing interconnect wiring and enabling diagnostic event logging in Flash. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12VR64F0VLC | 64 KB Flash, same pinout and peripheral set; higher code density for complex diagnostics and bootloader features | Required when application firmware exceeds 32 KB or requires dual-bank Flash for safe OTA updates | Select if future firmware growth or secure boot requirements necessitate larger nonvolatile memory |
| S912ZVL32F0MLC | Z-series derivative with S12Z core, enhanced debug, and improved LIN timing jitter (<1% vs. <2.5% for VR series) | Better suited for time-critical LIN clusters where deterministic response latency is mandatory | Choose when migrating to newer NXP automotive platform with toolchain continuity and extended lifecycle support |
Compared with MC9S12VR64F0VLC and S912ZVL32F0MLC, the S9S12VR32F0VLC delivers optimal cost-performance balance for entry-level body controllers-offering full LINPHY, driver integration, and automotive qualification without over-provisioning memory or clock precision.
Availability
S9S12VR32F0VLC is available at Aetrix Electronics and suitable for automotive body control modules, LIN-based sensor nodes, and smart actuator designs requiring stable component supply across extended production lifecycles.
Supply support for S9S12VR32F0VLC 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, IoT, and communication infrastructure solutions, with deep expertise in embedded processing and secure connectivity.
The S9S12VR32F0VLC belongs to the MC9S12VR family-designed specifically for cost-sensitive automotive body electronics requiring integrated LIN, power drivers, and system-level safety monitoring without external support ICs.
FAQ
What is the maximum bus clock frequency supported by the S9S12VR32F0VLC?
The S9S12VR32F0VLC supports a maximum bus clock frequency of 25 MHz, achieved via its internal Phase-Locked Loop (PLL) with programmable multiplication factor (N = 1–32) and external crystal or internal RC oscillator input. This frequency is confirmed in the MC9S12VR Family Reference Manual Rev. 3.11, Section 4.4.6, and defines the timing boundary for all peripheral modules including TIM, PWM, and SCI. The S9S12VR32F0VLC maintains full functionality-including LINPHY timing compliance and HSDRV current regulation-at this rated speed.
Does the S9S12VR32F0VLC include hardware support for LIN communication?
Yes, the S9S12VR32F0VLC integrates a fully compliant LIN physical layer (LINPHY v2) that meets ISO 17987-4 and SAE J2602 specifications. It supports slave node operation with auto-baud detection, wake-up filtering, and error handling-requiring only an external 1 kΩ pull-up resistor and 1 nF capacitor on the LIN bus line. This eliminates the need for an external LIN transceiver IC and is documented in Chapter 15 of the MC9S12VR Family Reference Manual Rev. 3.11. The S9S12VR32F0VLC uses dedicated LIN_TX/LIN_RX pins mapped to PORT P.
What are the current drive capabilities of the integrated high-side drivers in the S9S12VR32F0VLC?
The S9S12VR32F0VLC includes two integrated high-side drivers (HSDRV1 and HSDRV2), each capable of sinking up to 1.5 A continuously with thermal shutdown and overcurrent protection. These drivers operate from the internal VREG-supplied VDD rail and are electrically isolated from the VSUP input. Their behavior is characterized in Appendix D of the MC9S12VR Family Reference Manual Rev. 3.11, specifying typical on-resistance of 350 mΩ at 25°C and guaranteed operation across –40°C to +125°C. The S9S12VR32F0VLC does not support parallel driver configuration.
Can the S9S12VR32F0VLC operate without an external crystal oscillator?
Yes, the S9S12VR32F0VLC can operate using its internal RC oscillator (IRC) as the primary clock source, delivering frequencies from 1 MHz to 8 MHz with ±2% accuracy over temperature and voltage. This allows functional operation-including LIN communication, ADC conversions, and driver control-without any external crystal. However, LIN baud rate accuracy degrades beyond ±2% tolerance when using IRC alone; for full ISO 17987-4 compliance, an external crystal (1–8 MHz) is recommended. This capability is detailed in Section 4.4.5 and Appendix F of the MC9S12VR Family Reference Manual Rev. 3.11. The S9S12VR32F0VLC retains full reset and debug functionality in IRC-only mode.
Is the S9S12VR32F0VLC qualified for automotive applications?
Yes, the S9S12VR32F0VLC is AEC-Q100 Grade 1 qualified (–40°C to +125°C ambient), with design validation for automotive body electronics including ESD immunity (HBM ≥2 kV), conducted/radiated emissions compliance, and fault-tolerant operation under battery transients (load dump, cold crank). Its integrated VREG, LINPHY, and driver modules meet ISO 16750-2 electrical stress requirements. Qualification data is documented in Freescale's AEC-Q100 test reports referenced in the MC9S12VR Family Reference Manual Rev. 3.11, Appendix A. The S9S12VR32F0VLC is deployed in production automotive modules worldwide.
S9S12VR32F0VLC 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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12VR32F0VLC FAQ
1.How can I place an order for S9S12VR32F0VLC through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12VR32F0VLC 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 S9S12VR32F0VLC reliable?
The price and inventory of S9S12VR32F0VLC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12VR32F0VLC is usually 5 days.
3.What payment methods are accepted for S9S12VR32F0VLC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12VR32F0VLC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12VR32F0VLC?
S9S12VR32F0VLC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12VR32F0VLC 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 S9S12VR32F0VLC?
For technical support, including S9S12VR32F0VLC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12VR32F0VLC requirements.
6.How does Aetrix verify that S9S12VR32F0VLC is sourced from the original manufacturer or authorized distributors?
All S9S12VR32F0VLC 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 S9S12VR32F0VLC meets industry standards.
7.What is the process for return or replacement of S9S12VR32F0VLC?
All S9S12VR32F0VLC units undergo pre-shipment inspection (PSI). If there is an issue with S9S12VR32F0VLC, 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 S9S12VR32F0VLC part is unused and in its original packaging.
Return procedure for S9S12VR32F0VLC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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