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NXP Semiconductors S9S12VR64AF0VLF
- Part No.:
- S9S12VR64AF0VLF
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12VR64AF0VLF.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,258
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Product details
Overview
S9S12VR64AF0VLF from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12-based automotive microcontroller with 64 KB on-chip Flash, 4 KB RAM, integrated LIN physical layer transceiver, high-side and low-side drivers, and supply voltage sensing. It operates at up to 25 MHz bus frequency, supports 5 V operation, and targets body control modules requiring robust I/O, embedded power switching, and LIN communication.
For engineers reviewing the S9S12VR64AF0VLF datasheet, S9S12VR64AF0VLF pinout, S9S12VR64AF0VLF application, or S9S12VR64AF0VLF equivalent, key selection criteria include its integrated HSDRV/LSDRV driver outputs, LINPHY compliance per ISO 17987-4, 10-bit ADC with 8 channels, on-chip voltage regulator (VREG), and 48-pin LQFP package with automotive-grade temperature range (–40°C to +125°C).
Technical Context
The S9S12VR64AF0VLF implements the HCS12 CPU12 core with 16-bit data path and von Neumann architecture, executing instructions from internal Flash or SRAM. Its clock system integrates an internal RC oscillator (IRC), main external crystal oscillator (XOSCLCP), and programmable PLL for flexible bus clock generation up to 25 MHz.
System-level integration includes dedicated hardware modules: LINPHY for ISO 17987-4 compliant physical layer signaling, BATS for battery voltage monitoring, and HSDRV/LSDRV for direct driving of resistive/inductive loads without external drivers - all managed via memory-mapped registers accessible in user mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 16 MB linear address space and 24-bit program counter |
| Flash Memory | 64 KB on-chip Flash with ECC protection and 512-byte sector erase capability |
| RAM | 4 KB on-chip SRAM, byte-addressable with no wait states at max bus speed |
| Bus Clock Frequency | Up to 25 MHz - determines instruction execution rate and peripheral timing resolution |
| ADC Resolution & Channels | 10-bit successive approximation ADC with 8 input channels and configurable sample time |
| LINPHY Compliance | Fully integrated LIN physical layer compliant with ISO 17987-4, supporting 10–20 kbps bit rates |
| Operating Voltage | 4.5 V to 27 V supply range - enables direct connection to automotive battery rail without external regulators |
| Temperature Range | –40°C to +125°C ambient - qualified for under-hood automotive applications |
Pinout & Package
Package: 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core logic power and ground | Supplies CPU, memory, and digital peripherals; requires local decoupling per layout guidelines |
| VDDA, VSSA | Analog reference supply and ground | Isolates ADC and analog comparators from digital noise; must be filtered separately |
| PORTP[0:3] | High-side driver outputs | Four independent 0.5 A rated high-side switches with overcurrent and thermal shutdown |
| PORTL[0:3] | Low-side driver outputs | Four independent 0.5 A rated low-side switches with diagnostics and open-load detection |
| LIN_TX, LIN_RX | LIN bus interface pins | Direct connection to LIN bus line; internal pull-up and slew-rate control meet ISO 17987-4 |
| AD0–AD7 | ADC input channels | Eight single-ended analog inputs with programmable gain and sampling trigger sources |
| BAT, VSENSE | Battery voltage sense inputs | Internal 10-bit ADC channel scaled to monitor 0–27 V battery rail with ±1% accuracy |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LINPHY | Eliminates need for external LIN transceiver IC, reducing BOM count and PCB area in body electronics |
| On-chip HSDRV/LSDRV | Eight total driver outputs (4H+4L) with built-in diagnostics - enables direct control of lamps, solenoids, and relays |
| Voltage Regulator (VREG) | Internal 5 V regulator powers core logic and I/O; accepts 4.5–27 V input - simplifies power design in 12 V/24 V systems |
| Battery Supply Monitoring (BATS) | Dedicated analog front-end measures battery voltage with 10-bit resolution and automatic scaling for 0–27 V range |
| Background Debug Module (BDM) | Single-wire debug interface supporting flash programming, real-time register inspection, and breakpoint debugging |
| Flash ECC & Security | Hardware ECC detects/corrects single-bit errors; security byte prevents unauthorized flash readout or reprogramming |
Applications
| Body Control Module (BCM) | Door Control Unit (DCU) |
|---|---|
|
Use Scenario: Centralized management of vehicle lighting, window lifts, mirror adjustment, and door locks. IC Role / Device Role / Timing Role: Main controller executing CAN/LIN gateway logic, PWM dimming, and driver output sequencing. Use Value: Integrated HSDRV/LSDRV drives 8 loads directly; LINPHY enables communication with slave nodes (e.g., seat modules) without external transceivers. |
Use Scenario: Local control of power windows, central locking, and anti-pinch detection in vehicle doors. IC Role / Device Role / Timing Role: Real-time motor control via PWM and current-sense feedback using ADC and timer modules. Use Value: On-chip 10-bit ADC monitors motor current; BATS tracks battery voltage during high-current window actuation to prevent brownout resets. |
| Roof Module (Sunroof/Convertibles) | Seat Control Unit (SCU) |
|
Use Scenario: Bidirectional control of sunroof motors, pinch detection, and rain sensor integration. IC Role / Device Role / Timing Role: Safety-critical position tracking using quadrature encoder inputs and precise PWM timing. Use Value: TIM module provides 16-bit capture/compare for accurate motor position; LSDRV outputs drive motor H-bridge low-side switches. |
Use Scenario: Adjustment of seat position, lumbar support, and heating elements via LIN-connected actuators. IC Role / Device Role / Timing Role: LIN master node managing up to 16 slave devices while monitoring heater current and temperature. Use Value: LINPHY handles physical layer; ADC channels measure thermistor and current-sense resistor values for closed-loop thermal control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12VR48AF0VLF | 48 KB Flash, 3 KB RAM - 16 KB less Flash and 1 KB less RAM than S9S12VR64AF0VLF | Suitable for simpler BCM functions with smaller firmware footprint and fewer diagnostic routines | Select when application code size remains below 45 KB and RAM usage stays under 2.5 KB |
| SPC560B50L5 | 32-bit Power Architecture core, 512 KB Flash, 40 KB RAM, CAN FD, no integrated LINPHY or HSDRV | Requires external LIN transceiver and driver ICs; targets higher-performance gateway or ADAS-adjacent modules | Choose for future-proofing with CAN FD and larger memory, but expect added BOM and layout complexity |
Compared with MC9S12VR48AF0VLF, the S9S12VR64AF0VLF offers 16 KB more Flash for enhanced diagnostics and bootloader flexibility; compared with SPC560B50L5, it delivers lower system cost and reduced board area by integrating LINPHY and drivers - critical for cost-sensitive body electronics.
Availability
S9S12VR64AF0VLF is available at Aetrix Electronics and suitable for automotive body electronics, LIN-based sensor networks, and embedded power switching applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S9S12VR64AF0VLF 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 secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in automotive microcontrollers dating to Motorola and Freescale.
The S9S12VR family was designed specifically for cost-sensitive, function-integrated automotive body electronics - emphasizing embedded power switching, LIN communication, and battery-supplied operation without external regulators or transceivers.
FAQ
What is the maximum bus clock frequency supported by the S9S12VR64AF0VLF?
The S9S12VR64AF0VLF supports a maximum bus clock frequency of 25 MHz. This is achieved using the internal PLL with appropriate configuration of the SYNR and REFDV registers. At this speed, the CPU executes instructions at approximately 12.5 million instructions per second (MIPS), enabling real-time response for LIN communication, PWM generation, and driver diagnostics within the S9S12VR64AF0VLF's timing budget.
Does the S9S12VR64AF0VLF include an integrated LIN transceiver?
Yes, the S9S12VR64AF0VLF integrates a full LIN physical layer (LINPHY) compliant with ISO 17987-4. It includes LIN_TX and LIN_RX pins with internal slew-rate control, bus biasing, and fault protection - eliminating the need for an external LIN transceiver IC in designs where the S9S12VR64AF0VLF serves as the LIN master or slave node.
How many high-side and low-side drivers does the S9S12VR64AF0VLF provide?
The S9S12VR64AF0VLF provides four integrated high-side drivers (PORTP[0:3]) and four integrated low-side drivers (PORTL[0:3]). Each driver supports up to 0.5 A continuous load current, features overcurrent detection, thermal shutdown, and open-load diagnostics - enabling direct control of lamps, solenoids, and small motors without external driver ICs.
What is the operating voltage range for the S9S12VR64AF0VLF?
The S9S12VR64AF0VLF operates over a supply voltage range of 4.5 V to 27 V, allowing direct connection to automotive battery rails (12 V or 24 V systems). Its internal voltage regulator (VREG) generates stable 5 V for core logic and I/O, making external regulators unnecessary in most body electronics applications using the S9S12VR64AF0VLF.
Is the S9S12VR64AF0VLF pin-compatible with other members of the MC9S12VR family?
The S9S12VR64AF0VLF is pin-compatible with other 48-pin LQFP variants in the MC9S12VR family, including the S9S12VR48AF0VLF and S9S12VR32AF0VLF. All share identical pin assignments for power, I/O, LINPHY, and driver outputs - enabling hardware reuse across different Flash/RAM configurations while maintaining the same PCB layout for the S9S12VR64AF0VLF and compatible variants.
S9S12VR64AF0VLF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-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:
- 28
- Program Memory Size:
- 64KB (64K 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 6x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12VR64AF0VLF FAQ
1.How can I place an order for S9S12VR64AF0VLF through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12VR64AF0VLF 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 S9S12VR64AF0VLF reliable?
The price and inventory of S9S12VR64AF0VLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12VR64AF0VLF is usually 5 days.
3.What payment methods are accepted for S9S12VR64AF0VLF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12VR64AF0VLF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12VR64AF0VLF?
S9S12VR64AF0VLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12VR64AF0VLF 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 S9S12VR64AF0VLF?
For technical support, including S9S12VR64AF0VLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12VR64AF0VLF requirements.
6.How does Aetrix verify that S9S12VR64AF0VLF is sourced from the original manufacturer or authorized distributors?
All S9S12VR64AF0VLF 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 S9S12VR64AF0VLF meets industry standards.
7.What is the process for return or replacement of S9S12VR64AF0VLF?
All S9S12VR64AF0VLF units undergo pre-shipment inspection (PSI). If there is an issue with S9S12VR64AF0VLF, 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 S9S12VR64AF0VLF part is unused and in its original packaging.
Return procedure for S9S12VR64AF0VLF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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