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NXP Semiconductors S9S12G48BVLC
- Part No.:
- S9S12G48BVLC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S12G48BVLC.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,250
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Product details
Overview
S9S12G48BVLC from NXP Semiconductors (formerly Freescale) is a 16-bit automotive microcontroller featuring 48 KB flash, 4 KB SRAM, 1.5 KB EEPROM with ECC, one MSCAN module, two SCI/LIN interfaces, two SPI modules, and a 12-channel 10-bit ADC - deployed in body control modules and door modules requiring CAN communication and space-constrained PCB layouts.
For engineers reviewing the S9S12G48BVLC datasheet, S9S12G48BVLC pinout, S9S12G48BVLC application, or S9S12G48BVLC equivalent, key selection considerations include its 48-pin LQFP package, 25 MHz bus speed, integrated voltage regulator, IPLL-based EMC-optimized clock generation, and LIN/SAE J2602 compliance for automotive body electronics.
Technical Context
The S9S12G48BVLC implements the S12 CPU core with 25 MHz bus frequency and zero-wait-state peripheral access. It integrates an IPLL frequency multiplier with internal filter for improved EMC performance and supports stop/wait mode wake-up via GPIO interrupts.
It includes one MSCAN controller compliant with CAN 2.0A/B, two SCI modules supporting LIN 2.1 and SAE J2602, and two SPI modules. The 12-channel 10-bit ADC uses a precision fixed voltage reference and successive approximation architecture.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | S12 16-bit CPU, executes instructions at 25 MHz bus speed without wait states |
| Flash Memory | 48 KB on-chip flash with ECC for reliable code storage and error detection |
| SRAM | 4 KB on-chip SRAM for real-time data buffering and stack operations |
| EEPROM | 1.5 KB on-chip EEPROM with ECC, small erase sector size for efficient parameter logging |
| CAN Interface | 1 × MSCAN module supporting CAN 2.0A/B protocol for automotive network communication |
| ADC | 12-channel, 10-bit successive approximation ADC with precision fixed voltage reference |
| LIN/SCI | 2 × SCI modules supporting LIN 2.1 and SAE J2602 for low-cost serial diagnostics and control |
| Package | 48-pin LQFP (7 mm × 7 mm), RoHS-compliant, automotive-grade temperature range (−40°C to +125°C) |
Pinout & Package
48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced for automotive under-hood operation. Pinout validated per NXP document S12GFS Rev 1 and MC9S12G48B datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Dedicated analog/digital/regulator supply pins enabling noise-isolated ADC operation and stable core voltage regulation |
| VSS, VSSA, VSSX | Ground returns | Separate analog/digital/regulator ground paths minimize coupling noise in mixed-signal operation |
| RESET | Active-low reset input | Asynchronous hardware reset with internal pull-up; compatible with external watchdog or power-on reset circuits |
| MSCAN_TX / MSCAN_RX | CAN differential signal interface | Direct connection to external CAN transceiver (e.g., TJA1042); requires external termination and common-mode choke |
| SCI0_TX / SCI0_RX / SCI1_TX / SCI1_RX | LIN/UART serial I/O | Support LIN physical layer via external LIN transceiver (e.g., MC33661); software-configurable baud rate up to 20 kbps |
| AD0–AD11 | Analog input channels | 12 single-ended or 6 differential ADC inputs; support internal 2.5 V reference or external reference source |
| PWM0–PWM5 | Pulse-width modulated outputs | 6 × 8-bit PWM channels with programmable period and duty cycle; suitable for LED dimming and actuator control |
| PORTA–PORTH | General-purpose I/O | Configurable as digital input/output, interrupt-capable GPIO, or alternate function (e.g., timer capture, SPI signals) |
Key Features
| Feature | Design Value |
|---|---|
| ECC on Flash & EEPROM | Enables automatic detection and correction of single-bit errors in nonvolatile memory, improving long-term reliability in automotive environments |
| IPLL Frequency Multiplier | Generates stable high-frequency clocks internally without external crystal; reduces EMI and simplifies board layout |
| Integrated Voltage Regulator (VREG) | Accepts 5 V ±10% input and supplies regulated 2.5 V and 5 V internally - eliminates need for external regulators in many body-control designs |
| Wake-up from Stop/Wait Modes | Multiple GPIO pins support interrupt-driven wake-up, enabling ultra-low-power sleep states for battery-sensitive applications like RKE receivers |
| LIN/SAE J2602 Compliance | SCI modules meet LIN 2.1 physical layer timing and protocol requirements, certified for use in LIN slave nodes without additional level-shifting |
Applications
| Body Control Module | Door Module |
|---|---|
Use Scenario: Centralized management of lighting, locks, windows, and mirrors in passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU executing LIN slave and CAN gateway functions, coordinating distributed actuators via timed PWM and ADC feedback. Use Value: Integrated MSCAN and dual SCI enable seamless integration into vehicle networks while 48 KB flash accommodates feature-rich firmware with OTA update headroom. |
Use Scenario: Local control of power windows, side mirrors, and anti-pinch sensors in automotive door assemblies. IC Role / Device Role / Timing Role: Real-time sensor acquisition (ADC), motor control (PWM), and LIN communication with BCM over dedicated SCI channel. Use Value: 12-channel ADC supports simultaneous sampling of multiple analog sensors; 6-channel PWM drives window lift motors and mirror actuators with precise duty-cycle resolution. |
| Occupant Detection System | Smart Junction Box |
Use Scenario: Seat-mounted capacitive or pressure-sensing systems determining occupant presence, weight, and position for airbag deployment logic. IC Role / Device Role / Timing Role: Signal conditioning and preprocessing unit interfacing with analog sensor arrays; performs filtering and thresholding before CAN transmission. Use Value: Precision fixed-voltage reference ensures consistent ADC linearity across temperature; EEPROM stores calibration offsets for individual seat sensors. |
Use Scenario: Distributed power distribution and load switching in modern vehicle electrical architectures, replacing traditional fuse boxes. IC Role / Device Role / Timing Role: High-integration controller managing up to 8 switched loads via external drivers, monitoring current sense inputs, and reporting faults over CAN. Use Value: On-chip VREG powers external high-side switches; MSCAN enables fault reporting and reconfiguration commands from central ECU without additional interface ICs. |
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 |
|---|---|---|---|
| MC9S12G48F0MLH | Same core, flash, RAM, and peripheral set; differs in temperature grade (−40°C to +105°C vs. −40°C to +125°C) and packaging (64-pin LQFP vs. 48-pin LQFP) | Targeted at under-dash modules rather than under-hood locations requiring extended temperature tolerance | Select MC9S12G48F0MLH when higher pin count is needed for expanded I/O or when operating ambient stays below +105°C |
| SPC560B40L3CEFAY | 32-bit Power Architecture core, 384 KB flash, 40 KB RAM, dual CAN FD, no LIN support; requires different toolchain and boot process | Designed for next-generation body domain controllers needing CAN FD bandwidth and ASIL-B capability | Choose SPC560B40L3CEFAY only when migrating to ISO 26262-compliant systems with CAN FD and higher compute demand |
Compared with MC9S12G48F0MLH and SPC560B40L3CEFAY, the S9S12G48BVLC delivers optimal cost-performance balance for legacy CAN/LIN body electronics with guaranteed 125°C operation and minimal PCB footprint - avoiding unnecessary complexity or over-specification.
Availability
S9S12G48BVLC is available at Aetrix Electronics and suitable for body control modules, door modules, occupant detection systems, and smart junction boxes requiring stable component supply across automotive production lifecycles.
Supply support for S9S12G48BVLC 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 formed from the spin-off of Philips' semiconductor division, now specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The S9S12G48BVLC belongs to the S12G family - designed specifically for cost-sensitive, space-constrained automotive body electronics where CAN/LIN interoperability, functional safety readiness, and long-term supply stability are critical.
FAQ
What is the operating temperature range of the S9S12G48BVLC?
The S9S12G48BVLC is rated for −40°C to +125°C, meeting AEC-Q100 Grade 1 qualification for automotive under-hood applications. This extended range ensures reliable operation in engine compartments and other thermally demanding locations where the S9S12G48BVLC serves as the primary controller for lighting or junction box functions.
Does the S9S12G48BVLC support CAN FD?
No, the S9S12G48BVLC supports only classical CAN 2.0A/B via its single MSCAN module. It does not implement CAN FD protocol features such as flexible data-rate or extended data length. For CAN FD requirements, designers should consider newer families like SPC56x or S32K, not the S9S12G48BVLC.
Is the S9S12G48BVLC pin-compatible with other S12G variants?
The S9S12G48BVLC in 48-pin LQFP shares identical pinout with S9S12G48F0MLH and S9S12G64F0MLH in the same package variant. However, it is not pin-compatible with 32-pin or 64-pin S12G devices due to differing pin allocations and I/O mapping - always verify against the specific device's pin configuration table before layout.
What development tools are supported for the S9S12G48BVLC?
The S9S12G48BVLC is fully supported by NXP's CodeWarrior Development Studio for S12(X) v5.1+, including debug probe compatibility with P&E Micro USB-ML-12 and SEGGER J-Link. Evaluation is enabled via Tower System kits TWR-S12G48 and TWR-S12G64, both preconfigured for S9S12G48BVLC firmware loading and CAN/LIN validation.
Does the S9S12G48BVLC include hardware security features?
The S9S12G48BVLC does not integrate cryptographic accelerators, secure boot ROM, or tamper detection. Its security model relies on flash protection bits, EEPROM lock bits, and background debug mode disable - sufficient for basic IP protection but not certified for EVITA Medium or ISO/SAE 21434 threat mitigation. For advanced security, consider S32K1xx or S32G families instead of the S9S12G48BVLC.
S9S12G48BVLC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- 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:
- 26
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12G48BVLC FAQ
1.How can I place an order for S9S12G48BVLC through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G48BVLC 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 S9S12G48BVLC reliable?
The price and inventory of S9S12G48BVLC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G48BVLC is usually 5 days.
3.What payment methods are accepted for S9S12G48BVLC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G48BVLC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G48BVLC?
S9S12G48BVLC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G48BVLC 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 S9S12G48BVLC?
For technical support, including S9S12G48BVLC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G48BVLC requirements.
6.How does Aetrix verify that S9S12G48BVLC is sourced from the original manufacturer or authorized distributors?
All S9S12G48BVLC 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 S9S12G48BVLC meets industry standards.
7.What is the process for return or replacement of S9S12G48BVLC?
All S9S12G48BVLC units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G48BVLC, 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 S9S12G48BVLC part is unused and in its original packaging.
Return procedure for S9S12G48BVLC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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