My Inquiry
My Account
NXP Semiconductors S9S12G128AVLFR
- Part No.:
- S9S12G128AVLFR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12G128AVLFR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S9S12G128AVLFR from NXP Semiconductors (formerly Freescale) is a 16-bit automotive-grade microcontroller based on the S12 CPU core, featuring 128 KB on-chip Flash memory with ECC, 8 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz, supports -40°C to +105°C ambient temperature, and includes 12-bit ADC with 16 channels, 8-channel PWM, and background debug interface - deployed in engine control units and body electronics modules.
For engineers reviewing the S9S12G128AVLFR datasheet, S9S12G128AVLFR pinout, S9S12G128AVLFR application, or S9S12G128AVLFR equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, CAN bus integration, Flash ECC reliability, and 100-pin LQFP package compatibility with S12G family toolchains and legacy S12 code migration paths.
Technical Context
The S9S12G128AVLFR implements the S12 CPU12 core with 16-bit data path and 24-bit address space, executing instructions in single-cycle or multi-cycle modes depending on addressing mode. Its memory subsystem integrates 128 KB Flash with error correction coding (ECC), 8 KB SRAM, and 1 KB EEPROM emulation via Flash.
Peripherals include a fully compliant CAN 2.0B controller with 16 message buffers, a 12-bit successive-approximation ADC with 16 input channels and configurable sample-and-hold, and an 8-channel 8-bit PWM module supporting center-aligned and edge-aligned modes with dead-time insertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 24-bit addressing, instruction-compatible with legacy S12 devices for software reuse. |
| Flash Memory | 128 KB with ECC protection - enables robust operation in automotive environments with radiation-induced bit flips. |
| SRAM | 8 KB on-chip RAM - sufficient for real-time task stacks, CAN message buffering, and PID control variables. |
| ADC Resolution | 12-bit SAR ADC with 16 input channels - supports high-precision sensor monitoring (e.g., throttle position, coolant temp). |
| CAN Interface | One MSCAN module compliant with ISO 11898-1:2003 - provides deterministic, fault-tolerant communication for powertrain networks. |
| Operating Temp | -40°C to +105°C (AEC-Q100 Grade 1) - qualified for under-hood automotive applications without derating. |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) - standard footprint compatible with automated SMT assembly and thermal management. |
Pinout & Package
Package: 100-pin Low-Profile Quad Flat Package (LQFP), 14 mm × 14 mm body, 0.5 mm lead pitch, exposed thermal pad (EP), RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Dedicated domains for digital logic (VDD), analog circuitry (VDDA), and external oscillator (VDDX) - enable noise isolation and stable ADC reference. |
| VSS, VSSA, VSSX | Ground returns | Separate ground planes reduce coupling between digital switching noise and sensitive analog/oscillator circuits. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external watchdog or power-on-reset signals for system-level fault recovery. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports 4–32 MHz crystal or ceramic resonator - primary clock source for high-accuracy timing in CAN and ADC sampling. |
| CANH, CANL | CAN bus differential pair | Direct connection to ISO 11898-compliant transceiver - no level-shifting required for standard automotive CAN physical layer. |
| AD0–AD15 | Analog input channels | 16 multiplexed ADC inputs - support simultaneous sampling of multiple sensors (e.g., MAP, TPS, O2) with programmable gain and offset calibration. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 128 KB Flash with single-bit error correction and double-bit error detection - prevents silent data corruption in safety-critical firmware execution. |
| Integrated MSCAN Module | Full CAN 2.0B controller with 16 message buffers, programmable bit timing, and automatic retransmission - eliminates need for external CAN controller IC. |
| 12-bit ADC with 16 Channels | Configurable conversion speed (up to 250 kSPS), hardware-triggered sampling, and built-in calibration registers - reduces software overhead for sensor acquisition loops. |
| Background Debug Module (BDM) | Single-wire debug interface supporting flash programming, breakpoint insertion, and real-time register inspection - enables in-vehicle diagnostics and field firmware updates. |
| AEC-Q100 Grade 1 Qualification | Validated for operation from -40°C to +105°C with stress testing per automotive reliability standards - meets OEM requirements for powertrain and chassis ECUs. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection pulse width, and knock detection in gasoline engines. IC Role / Device Role / Timing Role: Primary MCU managing sensor fusion, closed-loop PID control, and CAN-based actuator commands. Use Value: 128 KB Flash stores complex fuel maps and diagnostic routines; CAN interface synchronizes with transmission and ABS modules. | Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and CAN gateway nodes. Use Value: 8 KB SRAM accommodates multitasking OS services; 16-channel ADC monitors potentiometers and thermistors across cabin zones. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
Use Scenario: Gear shift scheduling, torque converter lock-up control, and hydraulic pressure regulation. IC Role / Device Role / Timing Role: Safety-oriented controller with ASIL-B capability via ECC and BIST-enabled peripherals. Use Value: AEC-Q100 Grade 1 rating ensures reliability under under-hood thermal cycling; PWM outputs drive solenoid valves with precise duty-cycle resolution. | Use Scenario: Motor current sensing, torque feedback processing, and assist-level modulation in column-assist EPS systems. IC Role / Device Role / Timing Role: Real-time motor controller with fast ADC sampling and CAN command reception. Use Value: 12-bit ADC resolves motor phase currents with <1% full-scale error; CAN interface receives steering angle and vehicle speed from ADAS domain controller. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12G128F0VLHR | Same core, Flash, and peripherals; differs in mask ROM content and minor errata revisions - not drop-in replaceable due to different security fuse settings. | Targeted for older production lots with legacy bootloader; lacks latest CAN timing calibration fixes present in S9S12G128AVLFR. | Select only if maintaining identical firmware image and toolchain version used in prior validation cycles. |
| S9S12G128AMLFR | Identical silicon die but packaged in 100-pin QFP (no exposed pad); thermal resistance 45°C/W vs. 32°C/W for VLFR's LQFP-EP. | Suitable for non-thermal-critical applications where PCB layout cannot accommodate thermal pad soldering. | Prefer S9S12G128AVLFR for new designs requiring extended temperature margin or higher sustained clock performance. |
Compared with MC9S12G128F0VLHR and S9S12G128AMLFR, the S9S12G128AVLFR offers superior thermal performance via its exposed-pad LQFP package and incorporates post-2013 CAN timing enhancements - making it the preferred choice for new automotive ECU designs requiring long-term lifecycle support and AEC-Q100 compliance.
Availability
S9S12G128AVLFR is available at Aetrix Electronics and suitable for engine control units, body control modules, and electric power steering systems requiring stable component supply across multi-year automotive production programs.
Supply support for S9S12G128AVLFR 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep heritage in microcontroller innovation dating back to Motorola and Freescale.
The S9S12G128AVLFR belongs to the S12G family - engineered specifically for cost-sensitive, high-reliability automotive applications such as powertrain, chassis, and body electronics, balancing legacy code compatibility with modern peripheral integration.
FAQ
What is the maximum operating frequency of the S9S12G128AVLFR?
The S9S12G128AVLFR operates at a maximum core frequency of 25 MHz when driven by its internal PLL, which can be configured to multiply the external crystal or internal RC oscillator output. This frequency is validated across the full -40°C to +105°C temperature range and supports deterministic real-time execution for automotive control loops.
Does the S9S12G128AVLFR support CAN FD?
No, the S9S12G128AVLFR integrates the legacy MSCAN module compliant with CAN 2.0B (ISO 11898-1:2003), supporting data rates up to 1 Mbps with 11-bit identifiers. It does not implement CAN FD features such as flexible data-rate switching or extended payload length. For CAN FD, consider NXP's S32K series.
Is the S9S12G128AVLFR pin-compatible with other S12G family members?
Yes, the S9S12G128AVLFR shares the same 100-pin LQFP package and pinout with other S12G variants in the same package option (e.g., S9S12G96AVLFR, S9S12G64AVLFR), enabling hardware reuse across memory-size variants - provided peripheral usage aligns with the target device's resource mapping.
What debug interface does the S9S12G128AVLFR use?
The S9S12G128AVLFR uses the Background Debug Module (BDM) interface - a single-wire, low-pin-count debug protocol supporting flash programming, real-time register access, and breakpoint insertion. It requires the BDM clock (BKGD) and VDD/VSS connections, and is supported by P&E Micro and SEGGER J-Link adapters with BDM firmware.
How is Flash memory protected against corruption in the S9S12G128AVLFR?
The S9S12G128AVLFR implements ECC (Error Correction Code) on its 128 KB Flash memory, detecting and correcting single-bit errors and detecting double-bit errors during read operations. This protection is hardware-enforced and active during normal program execution and flash programming - critical for AEC-Q100 Grade 1 automotive reliability.
S9S12G128AVLFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- 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:
- 40
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 8K 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:
S9S12G128AVLFR FAQ
1.How can I place an order for S9S12G128AVLFR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G128AVLFR 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 S9S12G128AVLFR reliable?
The price and inventory of S9S12G128AVLFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G128AVLFR is usually 5 days.
3.What payment methods are accepted for S9S12G128AVLFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G128AVLFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G128AVLFR?
S9S12G128AVLFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G128AVLFR 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 S9S12G128AVLFR?
For technical support, including S9S12G128AVLFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G128AVLFR requirements.
6.How does Aetrix verify that S9S12G128AVLFR is sourced from the original manufacturer or authorized distributors?
All S9S12G128AVLFR 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 S9S12G128AVLFR meets industry standards.
7.What is the process for return or replacement of S9S12G128AVLFR?
All S9S12G128AVLFR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G128AVLFR, 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 S9S12G128AVLFR part is unused and in its original packaging.
Return procedure for S9S12G128AVLFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S9S12G128AVLFR Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
