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NXP Semiconductors S9S12G128F0VLFR
- Part No.:
- S9S12G128F0VLFR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12G128F0VLFR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,980
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Product details
Overview
S9S12G128F0VLFR from NXP Semiconductors is a 16-bit automotive-grade microcontroller featuring 128 KB on-chip Flash with ECC, 8 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz core frequency, supports -40°C to +105°C ambient temperature, and includes 10-bit ADC (8-channel), PWM (8-channel), and BDM debug interface - deployed in engine control units and body electronics modules.
For engineers reviewing the S9S12G128F0VLFR datasheet, S9S12G128F0VLFR pinout, S9S12G128F0VLFR application, or S9S12G128F0VLFR equivalent, key selection criteria include AEC-Q100 Grade 2 qualification, 5V tolerant I/O, internal voltage regulator (5V → 2.5V), and compatibility with legacy S12 code base for migration from MC9S12DP512 or MC9S12XDP512 platforms.
Technical Context
The S9S12G128F0VLFR implements the S12 CPU12 core with 16-bit data path and 24-bit address bus, executing instructions in single-cycle or multi-cycle modes depending on addressing mode. Its memory subsystem integrates Flash with error correction coding (ECC) and SRAM with parity protection, supporting both paged and linear addressing schemes.
Peripheral integration includes a scalable CAN 2.0B module with message buffers and time-triggered communication support, dual serial interfaces (SCI and SPI), and a 16-bit timer module with input capture/output compare and PWM generation capability - all synchronized via the internal CPMU clock tree with PLL, IRC, and external crystal options.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 24-bit address space and 16-MHz–25-MHz configurable bus clock |
| Flash Memory | 128 KB on-chip Flash with ECC, supporting in-application programming (IAP) and secure erase |
| RAM | 8 KB on-chip SRAM with parity checking and retention during low-power stop modes |
| ADC | 10-bit successive approximation ADC with 8 input channels, 12.5 µs conversion time, and external trigger support |
| CAN Interface | One MSCAN 2.0B module with 16 message buffers, programmable bit timing, and loopback self-test mode |
| Operating Temperature | -40°C to +105°C ambient, qualified per AEC-Q100 Grade 2 for automotive under-hood applications |
| I/O Voltage Tolerance | 5V-tolerant digital I/O pins compatible with legacy 5V sensor and actuator interfaces |
| Debug Interface | Background Debug Module (BDM) with single-wire serial interface and non-intrusive real-time register access |
Pinout & Package
LQFP-64 package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad; 64-pin layout optimized for automotive PCB routing and EMI robustness.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core Power Supply | 2.5 V regulated supply for CPU and logic; requires local 100 nF decoupling |
| VDD5 | I/O Power Supply | 5 V supply for digital I/O banks and analog peripherals; enables 5V sensor interfacing |
| VREGIN | Regulator Input | Input to on-chip 5V-to-2.5V regulator; accepts 4.5–5.5 V for internal core power generation |
| RESET | Active-Low Reset Input | Asynchronous reset assertion resets CPU, peripherals, and registers; pulled high internally |
| CLKOUT | System Clock Output | Buffered output of internal bus clock (up to 25 MHz); used for scope verification and sync to external logic |
| PT0–PT7 | Timer Port Pins | 8-bit port supporting input capture, output compare, PWM output, and general-purpose I/O |
| PE0–PE1 | SCI Transmit/Receive | UART-compatible serial interface pins; PE0 = TXD, PE1 = RXD; 5V-tolerant with internal pull-ups |
| PJ0–PJ7 | CAN Transceiver Interface | Connects directly to external CAN transceiver (e.g., TJA1042); PJ0 = TXCAN, PJ1 = RXCAN |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Voltage Regulator | Integrated 5V-to-2.5V regulator eliminates need for external LDO, reducing BOM count and board area |
| AEC-Q100 Grade 2 Qualification | Validated for operation at 105°C ambient, enabling placement in engine compartment and transmission control modules |
| Flash ECC Protection | Detects and corrects single-bit errors and detects double-bit errors in program memory, ensuring functional safety compliance |
| Background Debug (BDM) | Single-wire debug interface supports flash programming, breakpoint setting, and real-time variable inspection without halting execution |
| MSCAN Module | Hardware-accelerated CAN 2.0B with 16 message buffers, automatic retransmission, and flexible acceptance filtering |
| Low-Power Stop Mode | Current draw < 10 µA in stop mode with RTC and selected wake-up sources active, extending battery life in always-on systems |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor signals in gasoline direct injection engines. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop fuel injection and spark timing algorithms with deterministic interrupt latency. Use Value: 25 MHz bus clock and hardware timer capture ensure sub-microsecond timing resolution for ignition event synchronization. |
Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC functions in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: System coordinator communicating via CAN with distributed nodes while managing local I/O and diagnostics. Use Value: Integrated CAN controller and 5V-tolerant I/O reduce external component count and simplify interface to legacy switches and relays. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Gear shift scheduling and torque converter clutch control using vehicle speed, turbine RPM, and brake switch inputs. IC Role / Device Role / Timing Role: Safety-critical controller with ASIL-B capable peripherals including Flash ECC and watchdog timer. Use Value: AEC-Q100 Grade 2 qualification and SRAM parity support meet ISO 26262 requirements for transmission control. |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS ECU. IC Role / Device Role / Timing Role: Edge-processing node performing time-sensitive signal conditioning and CAN message formatting. Use Value: Dual SCI/SPI interfaces enable concurrent communication with multiple sensors; 10-bit ADC supports analog radar IF signal digitization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G128F0MLF | Same die, but in QFP-80 package with additional I/O pins and extended peripheral routing flexibility | Better suited for designs requiring >64 I/O or dual CAN channels (requires external CAN controller) | Select when board layout allows larger footprint and higher I/O density is needed |
| MC9S12XEP100MALR | XGATE co-processor, 1 MB Flash, 50 MHz core, enhanced CAN FD support, and larger RAM (32 KB) | Targeted at next-generation powertrain and chassis control with higher computational load and CAN FD migration path | Choose for new designs requiring CAN FD, floating-point math acceleration, or future-proofing beyond S12G lifecycle |
Compared with S9S12G128F0VLFR, the S9S12G128F0MLF offers expanded I/O in QFP-80 without changing firmware, while the MC9S12XEP100MALR delivers significantly higher performance and CAN FD readiness at the cost of increased power and complexity - making S9S12G128F0VLFR optimal for cost-sensitive, volume automotive applications requiring proven AEC-Q100 reliability.
Availability
S9S12G128F0VLFR is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across automotive production lifecycles.
Supply support for S9S12G128F0VLFR 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 headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The S9S12G128F0VLFR belongs to the MC9S12G family - designed specifically for cost-optimized, AEC-Q100-compliant automotive applications where legacy S12 software compatibility, 5V interface support, and functional safety features are essential.
FAQ
What is the maximum operating frequency of the S9S12G128F0VLFR?
The S9S12G128F0VLFR supports a maximum bus clock frequency of 25 MHz, derived from its internal Phase-Locked Loop (IPLL) or external crystal oscillator. This frequency governs instruction execution speed, peripheral timing, and ADC sampling rate - all verified across the full -40°C to +105°C temperature range per AEC-Q100 Grade 2 specifications. The S9S12G128F0VLFR achieves deterministic real-time response critical for engine timing and safety-critical control loops.
Does the S9S12G128F0VLFR support in-circuit debugging?
Yes, the S9S12G128F0VLFR includes a Background Debug Module (BDM) compliant with standard S12 debug protocols. It enables non-intrusive real-time register inspection, flash programming, and breakpoint-based firmware development using standard BDM cables and tools like P&E Micro's Cyclone or NXP's S12Z Tower kits. The S9S12G128F0VLFR uses a single-wire serial interface on BKGD pin, eliminating need for JTAG header space on PCB.
Is the S9S12G128F0VLFR pin-compatible with other MC9S12G devices?
The S9S12G128F0VLFR is pin-compatible with other MC9S12G variants in the LQFP-64 package, including S9S12G64F0VLFR and S9S12G96F0VLFR, sharing identical pin assignments for power, reset, clock, BDM, CAN, and primary I/O ports. Firmware portability is maintained across these variants due to consistent memory map and peripheral register layout - enabling scalable design reuse within the same package footprint.
What safety features does the S9S12G128F0VLFR include for automotive use?
The S9S12G128F0VLFR incorporates Flash ECC, SRAM parity checking, COP (Computer Operating Properly) watchdog timer, and clock monitor circuitry - all required for ISO 26262 ASIL-B compliance in automotive applications. These features detect and mitigate memory corruption and clock failure events, and the S9S12G128F0VLFR is certified to AEC-Q100 Grade 2, validating operation at 105°C ambient for under-hood deployment.
Can the S9S12G128F0VLFR interface directly with 5V sensors?
Yes, the S9S12G128F0VLFR features 5V-tolerant digital I/O pins (including PT, PS, PJ, PP, and PE ports), allowing direct connection to 5V-output sensors and actuators without level-shifting circuitry. Its VDD5 supply rail powers these I/O banks, and internal clamping diodes protect against overvoltage - simplifying interface design in legacy automotive subsystems where 5V signaling remains standard.
S9S12G128F0VLFR 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:
S9S12G128F0VLFR FAQ
1.How can I place an order for S9S12G128F0VLFR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G128F0VLFR 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 S9S12G128F0VLFR reliable?
The price and inventory of S9S12G128F0VLFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G128F0VLFR is usually 5 days.
3.What payment methods are accepted for S9S12G128F0VLFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G128F0VLFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G128F0VLFR?
S9S12G128F0VLFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G128F0VLFR 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 S9S12G128F0VLFR?
For technical support, including S9S12G128F0VLFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G128F0VLFR requirements.
6.How does Aetrix verify that S9S12G128F0VLFR is sourced from the original manufacturer or authorized distributors?
All S9S12G128F0VLFR 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 S9S12G128F0VLFR meets industry standards.
7.What is the process for return or replacement of S9S12G128F0VLFR?
All S9S12G128F0VLFR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G128F0VLFR, 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 S9S12G128F0VLFR part is unused and in its original packaging.
Return procedure for S9S12G128F0VLFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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