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NXP Semiconductors S9S12VR64AF0MLCR
- Part No.:
- S9S12VR64AF0MLCR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S12VR64AF0MLCR.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,131
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Product details
Overview
S9S12VR64AF0MLCR from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12 microcontroller optimized for automotive body electronics and industrial control. It integrates 64 KB on-chip Flash with ECC, 4 KB SRAM, LIN physical layer transceiver, 8-channel PWM, 10-bit ADC with 8 inputs, and high- and low-side drivers - enabling single-chip control of lighting, HVAC actuators, and door modules in 12 V vehicle systems.
For engineers reviewing the S9S12VR64AF0MLCR datasheet, S9S12VR64AF0MLCR pinout, S9S12VR64AF0MLCR application, or S9S12VR64AF0MLCR equivalent, key selection criteria include its integrated LINPHY compliance (SAE J2602), HSDRV/LSDRV drive capability (up to 500 mA sink/source), 5 V tolerant I/O, and qualification per AEC-Q100 Grade 2 (−40 °C to +105 °C).
Technical Context
The S9S12VR64AF0MLCR implements the HCS12 CPU12 core with 16-bit data path and von Neumann architecture, executing instructions at up to 25 MHz bus clock derived from internal PLL or external crystal. Its CPMU unit supports multiple low-power modes including Stop and Wait, with wake-up via LIN bus activity, external interrupt, or timer event.
On-die peripherals include a dedicated LINPHY module compliant with ISO 17987-4 and SAE J2602, supporting baud rates from 1.2 to 20.0 kbps; an 8-channel 8-bit PWM with dead-time insertion; and dual voltage regulator outputs (VDD = 2.5 V core, VDDF = 5.0 V NVM) fed from a single 5–27 V supply input (VSUP).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 25 MHz max bus clock; enables deterministic real-time control in safety-critical automotive subsystems. |
| Memory | 64 KB Flash (with ECC), 4 KB SRAM, 512 B EEPROM emulation - sufficient for LIN node firmware with diagnostics and calibration data storage. |
| LIN PHY | Integrated LIN 2.2A/SAE J2602-compliant transceiver with ±40 V fault tolerance and automatic sync-break detection - eliminates external LIN transceiver IC. |
| Driver Outputs | 4 high-side drivers (HSDRV) and 4 low-side drivers (LSDRV), each rated 500 mA continuous, 1.2 A peak - directly drives solenoids, relays, and LED arrays without external FETs. |
| Analog Input | 10-bit ADC with 8 channels, 0–5 V input range, internal 2.5 V reference - supports battery voltage monitoring, temperature sensing, and potentiometer feedback. |
| Supply Range | VSUP = 5.0–27.0 V; internally regulated to 2.5 V (core) and 5.0 V (Flash); operates across cold-crank (4.5 V) and load-dump (40 V) conditions. |
| Temperature Range | AEC-Q100 Grade 2: −40 °C to +105 °C ambient - qualified for under-hood and cabin-mounted automotive ECUs. |
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 |
|---|---|---|
| VSUP | Main power input | Accepts 5–27 V unregulated vehicle battery; feeds internal regulators for core and Flash domains. |
| VDD, VSS | Core logic supply/ground | 2.5 V core domain output (VDD) and return (VSS); decoupling required per layout guidelines. |
| VDDF, VSSF | Flash memory supply/ground | 5.0 V NVM domain output (VDDF); critical for reliable Flash programming and erase cycles. |
| LINRX, LINTX | LIN bus interface | Dedicated differential LIN PHY pins; support direct connection to LIN bus with no external components. |
| HSD0–HSD3 | High-side driver outputs | Open-drain outputs with current-limited 500 mA sink; drive loads connected between VBAT and HSDx. |
| LSD0–LSD3 | Low-side driver outputs | Open-drain outputs with current-limited 500 mA source; drive loads connected between LSDx and GND. |
| AD0–AD7 | Analog input channels | 8 single-ended 10-bit ADC inputs; share port pins with digital I/O; support battery sense, thermistor, and potentiometer interfaces. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LIN Physical Layer | Eliminates need for external LIN transceiver; reduces BOM count and PCB area while ensuring SAE J2602 compliance. |
| On-Chip High- and Low-Side Drivers | Eight total protected switch outputs enable direct control of resistive and inductive loads - simplifies wiring harness and improves system reliability. |
| Flash Memory with ECC | 64 KB Flash with error-correcting code ensures firmware integrity over 10-year automotive life; supports in-system programming via BDM. |
| Wide Input Voltage Operation | Operates from 5 V to 27 V VSUP, covering cold-crank (4.5 V min), normal operation (13.5 V), and load-dump (40 V transient) conditions without external protection. |
| Background Debug Module (BDM) | Single-wire debug interface enables non-intrusive firmware download, breakpoint debugging, and memory inspection during development and field service. |
Applications
| Body Control Module (BCM) | Seat & Mirror Control Unit |
|---|---|
Use Scenario: Centralized control of door locks, interior lighting, window lifts, and mirror adjustment in entry-level vehicles. IC Role / Device Role / Timing Role: Primary MCU managing LIN slave nodes (door modules, seat controllers) and driving local loads via integrated HSDRV/LSDRV. Use Value: Reduces component count by integrating LIN PHY and drivers - lowers system cost and improves EMI performance vs. discrete solutions. |
Use Scenario: Local actuator control for power seats and electrochromic mirrors using position sensors and motor drivers. IC Role / Device Role / Timing Role: Real-time PWM generation for bidirectional DC motor control and ADC sampling of potentiometer feedback for closed-loop positioning. Use Value: On-chip 8-channel PWM with dead-time insertion enables precise motor commutation without external gate drivers or timing ICs. |
| HVAC Blower & Valve Controller | LED Lighting Driver Module |
Use Scenario: Regulation of cabin airflow via DC blower motor and vacuum-actuated air flaps in automotive heating/cooling systems. IC Role / Device Role / Timing Role: LIN master coordinating with climate control head unit; ADC monitors thermistor and potentiometer inputs; PWM controls blower speed. Use Value: Integrated 10-bit ADC and 8-bit PWM eliminate external signal conditioning and motor driver ICs - reducing thermal footprint and design complexity. |
Use Scenario: Dimmable LED headlight or interior lighting with current regulation and fault reporting. IC Role / Device Role / Timing Role: High-side driver output sourcing constant current to LED strings; ADC monitors LED temperature and supply voltage for thermal derating. Use Value: HSDRV outputs provide 500 mA per channel with overcurrent and thermal shutdown - enabling robust LED drive without external MOSFETs or sense resistors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12VR64MF0MLCR | Same package and pinout; includes 512 B EEPROM (vs. EEPROM emulation only in S9S12VR64AF0MLCR); identical peripheral set. | Preferred where persistent parameter storage (e.g., calibration offsets, odometer) requires true EEPROM endurance (>100k cycles). | Select MC9S12VR64MF0MLCR when guaranteed EEPROM write endurance is required; otherwise S9S12VR64AF0MLCR offers lower cost for firmware-only use cases. |
| SPC560B50L5 | 32-bit Power Architecture core; higher performance (64 MHz), larger Flash (512 KB), CAN FD support; no integrated LIN PHY or HSDRV/LSDRV. | Used in mid-tier ECUs requiring CAN communication, advanced diagnostics, or multi-sensor fusion - not drop-in compatible due to different architecture and missing drivers. | Choose SPC560B50L5 for scalable platforms needing future CAN integration; retain S9S12VR64AF0MLCR for cost-sensitive LIN-only body applications with minimal external components. |
Compared with MC9S12VR64MF0MLCR, S9S12VR64AF0MLCR trades EEPROM endurance for lower unit cost and identical functional integration; versus SPC560B50L5, it provides superior analog/driver integration at lower processing overhead and bill-of-materials cost for basic LIN node functions.
Availability
S9S12VR64AF0MLCR is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and smart sensor interface applications requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualification.
Supply support for S9S12VR64AF0MLCR 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 the Motorola/Freescale era.
The S9S12VR family was designed specifically for cost-sensitive, function-integrated automotive body control applications - emphasizing LIN connectivity, on-chip power switching, and robust operation across harsh vehicle electrical environments.
FAQ
What is the maximum operating temperature specification for the S9S12VR64AF0MLCR?
The S9S12VR64AF0MLCR is qualified per AEC-Q100 Grade 2, with an ambient operating temperature range of −40 °C to +105 °C. This rating applies to the full device functionality including Flash programming, LIN communication, and driver operation - verified across voltage and frequency corners per automotive test standards.
Does the S9S12VR64AF0MLCR include a hardware LIN transceiver?
Yes, the S9S12VR64AF0MLCR integrates a fully compliant LIN physical layer (LINPHY) module supporting SAE J2602 and ISO 17987-4. It features built-in bus protection, automatic sync-break detection, and programmable baud rate generation - eliminating the need for an external LIN transceiver IC in standard implementations.
Can the S9S12VR64AF0MLCR drive inductive loads such as relays or solenoids directly?
Yes, the S9S12VR64AF0MLCR includes four high-side drivers (HSD0–HSD3) and four low-side drivers (LSD0–LSD3), each rated for 500 mA continuous current and 1.2 A peak. These drivers incorporate overcurrent, overtemperature, and open-load diagnostics - enabling direct control of automotive relays, fuel injectors, and HVAC actuators without external protection circuitry.
What debug interface does the S9S12VR64AF0MLCR support?
The S9S12VR64AF0MLCR supports the Background Debug Mode (BDM) interface via a single-wire BKGD pin. This allows non-intrusive firmware download, real-time register inspection, and breakpoint-based debugging using standard Freescale/NXP BDM tools - essential for automotive software validation and field reprogramming.
Is the Flash memory in the S9S12VR64AF0MLCR protected against corruption during power fluctuations?
Yes, the 64 KB Flash memory in the S9S12VR64AF0MLCR includes built-in Error-Correcting Code (ECC) logic that detects and corrects single-bit errors and detects double-bit errors during read operations. This ECC protection is active during all operating modes and ensures firmware integrity under automotive voltage transients and radiation-induced soft errors.
S9S12VR64AF0MLCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- S12 MagniV
- Packaging:
- Tape & Reel (TR)
- 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:
- 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 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12VR64AF0MLCR FAQ
1.How can I place an order for S9S12VR64AF0MLCR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12VR64AF0MLCR 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 S9S12VR64AF0MLCR reliable?
The price and inventory of S9S12VR64AF0MLCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12VR64AF0MLCR is usually 5 days.
3.What payment methods are accepted for S9S12VR64AF0MLCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12VR64AF0MLCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12VR64AF0MLCR?
S9S12VR64AF0MLCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12VR64AF0MLCR 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 S9S12VR64AF0MLCR?
For technical support, including S9S12VR64AF0MLCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12VR64AF0MLCR requirements.
6.How does Aetrix verify that S9S12VR64AF0MLCR is sourced from the original manufacturer or authorized distributors?
All S9S12VR64AF0MLCR 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 S9S12VR64AF0MLCR meets industry standards.
7.What is the process for return or replacement of S9S12VR64AF0MLCR?
All S9S12VR64AF0MLCR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12VR64AF0MLCR, 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 S9S12VR64AF0MLCR part is unused and in its original packaging.
Return procedure for S9S12VR64AF0MLCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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