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NXP Semiconductors S9S12G128AVLH
- Part No.:
- S9S12G128AVLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9S12G128AVLH.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:800
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Product details
Overview
S9S12G128AVLH from NXP Semiconductors (formerly Freescale) is a 16-bit automotive-grade MCU in the S12G family, 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 +125°C ambient temperature, and targets engine control units, body electronics, and transmission modules.
For engineers reviewing the S9S12G128AVLH datasheet, S9S12G128AVLH pinout, S9S12G128AVLH application, or S9S12G128AVLH equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, 12-bit ADC with 16 channels, 8-channel PWM with complementary outputs, and background debug module (BDM) support for production programming and field diagnostics.
Technical Context
The S9S12G128AVLH implements the S12 CPU12 core with 16-bit data path and 24-bit addressing, executing instructions in single-cycle or multi-cycle modes depending on operand width and addressing mode. Its memory subsystem includes 128 KB Flash organized in 1-KB sectors with error correction coding (ECC), 8 KB SRAM, and 1 KB EEPROM emulation via Flash.
Peripherals are tightly coupled via the Port Integration Module (PIM), enabling flexible signal routing across 88 I/O pins. The device integrates a 12-bit, 16-channel ADC with configurable sample-and-hold, dual 8-channel PWM modules supporting center-aligned and edge-aligned modes, and a fully compliant CAN 2.0B controller with 16 message buffers and hardware ID filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 24-bit address bus and 16-MB linear memory map |
| Flash Memory | 128 KB on-chip Flash with ECC, sector erase (1 KB), program/erase endurance ≥100k cycles |
| SRAM Size | 8 KB static RAM with retention during stop mode and parity checking |
| ADC Resolution | 12-bit successive-approximation ADC with 16 input channels and 8 µs conversion time (max) |
| PWM Channels | Two independent 8-channel PWM modules, each supporting dead-time insertion and fault protection |
| CAN Interface | One MSCAN module compliant with ISO 11898-1:2003, supporting bit rates up to 1 Mbps and 16 message objects |
| Operating Temp | AEC-Q100 Grade 1 qualified: -40°C to +125°C ambient, suitable for under-hood automotive deployment |
| Package Type | LQFP-64 (10 mm × 10 mm, 0.5 mm pitch), lead-free and RoHS-compliant |
Pinout & Package
LQFP-64 package with 0.5 mm pitch, 10 mm × 10 mm body, exposed thermal pad (EP), and standard JEDEC MO-220 footprint. Pin 1 marked by corner notch or dot; thermal pad soldered to PCB ground plane for enhanced thermal dissipation in automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Separate domains for digital core (VDD), analog (VDDA), and external interface (VDDX); decoupling required per datasheet layout guidelines |
| VSS, VSSA, VSSX | Ground returns | Independent ground planes for digital, analog, and external I/O to minimize noise coupling into ADC and CAN |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external watchdog or power-on reset assertion |
| CLKOUT | System clock output | Buffered copy of internal bus clock (BUSCLK), used for timing validation and external synchronization |
| TXD0/RXD0 | SCI0 serial interface | Full-duplex UART interface supporting LIN physical layer compliance and bootloader communication |
| CANRX/CANTX | CAN transceiver interface | Differential pair connected to external CAN PHY; requires 120 Ω termination at network ends |
| AD0–AD15 | ADC input channels | 16 dedicated analog inputs; AD0–AD7 routed to PTA[7:0], AD8–AD15 to PTB[7:0] - configurable via PIM |
| PTA0–PTA7 | General-purpose I/O port | Port A pins support interrupt-on-change, PWM output, and ADC trigger functions; software-configurable pull-ups |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash ECC | Single-bit error correction and double-bit error detection per 64-bit word, enabling reliable operation in high-radiation automotive environments |
| Background Debug (BDM) | Single-wire BDM interface enables in-circuit flash programming, real-time register inspection, and non-intrusive breakpoint debugging without halting peripheral operation |
| MSCAN Controller | Hardware message buffering, automatic retransmission, and ID masking reduce CPU overhead in multi-node CAN networks |
| ADC Trigger Flexibility | Supports software, timer overflow, PWM sync, and external pin triggers - critical for deterministic sampling in motor control loops |
| Low-Power Stop Mode | Current draw <10 µA with RTC running and selected wake-up sources enabled, extending battery life in always-on vehicle modules |
| Security Locking | Flash security byte prevents unauthorized read-out of firmware; unlock requires full chip erase, protecting IP in production ECUs |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and OBD-II diagnostics in gasoline engines. IC Role / Device Role / Timing Role: Primary controller executing closed-loop combustion algorithms with sub-millisecond response latency. Use Value: 128 KB Flash accommodates complex calibration tables and diagnostic routines; CAN interface enables seamless integration with dashboard and transmission ECUs. | Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and driving discrete loads via GPIO and PWM. Use Value: 88 GPIOs support direct drive of relays and LEDs; 12-bit ADC monitors cabin temperature and battery voltage with ±1 LSB accuracy. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
Use Scenario: Gear shift logic, clutch pressure modulation, and torque converter lock-up control in automatic transmissions. IC Role / Device Role / Timing Role: Safety-critical controller requiring ASIL-B capable peripherals and deterministic interrupt latency. Use Value: AEC-Q100 Grade 1 rating ensures reliability at 125°C; dual PWM modules generate complementary gate drives for solenoid valve control. | Use Scenario: Motor position sensing, current regulation, and assist-torque blending in column-assist EPS systems. IC Role / Device Role / Timing Role: Real-time motor controller synchronizing ADC sampling with PWM switching edges. Use Value: 12-bit ADC with hardware-triggered conversions achieves <1 µs jitter; CAN interface reports fault status to vehicle stability control system. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G128F0VLH | Same die, but specified for -40°C to +85°C industrial temp range; lacks AEC-Q100 qualification | Not suitable for under-hood automotive use; acceptable for industrial motor drives or white goods | Select only if automotive qualification is not required and cost sensitivity outweighs environmental robustness |
| MPC5604B | 32-bit Power Architecture core, 512 KB Flash, higher performance but larger footprint and higher power | Targets ASIL-B/C safety-critical systems requiring higher compute throughput and memory bandwidth | Choose when migrating from S12 legacy codebase to scalable 32-bit platform with AUTOSAR support |
Compared with S9S12G128F0VLH, the S9S12G128AVLH provides guaranteed operation at 125°C and formal AEC-Q100 certification - essential for engine bay placement. Versus MPC5604B, it offers lower BOM cost, smaller PCB area, and mature toolchain support, making it optimal for cost-sensitive, thermally constrained ECU designs.
Availability
S9S12G128AVLH is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across extended automotive product lifecycles.
Supply support for S9S12G128AVLH 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 back to Motorola and Freescale.
The S12G family was designed specifically for cost-optimized, high-reliability automotive body and powertrain applications, emphasizing AEC-Q100 compliance, on-chip functional safety features, and long-term supply assurance.
FAQ
What is the maximum operating frequency of the S9S12G128AVLH?
The S9S12G128AVLH has a maximum core frequency of 25 MHz, derived from its internal PLL operating from an external crystal (typically 4–8 MHz) or internal RC oscillator. The bus clock runs at half-core speed (12.5 MHz), governing peripheral timing and memory access rates. This frequency is validated across the full -40°C to +125°C temperature range and meets AEC-Q100 Grade 1 requirements.
Does the S9S12G128AVLH support CAN FD?
No, the S9S12G128AVLH integrates the legacy MSCAN module compliant with CAN 2.0B only, supporting bit rates up to 1 Mbps and standard/extended frame formats. It does not implement CAN FD features such as flexible data-rate, longer payloads, or CRC enhancements. For CAN FD capability, consider NXP's S32K1xx or S32K3xx families.
How many ADC channels does the S9S12G128AVLH support, and what is their resolution?
The S9S12G128AVLH supports 16 analog input channels with a 12-bit successive-approximation ADC. Conversion time is 8 µs at maximum resolution, and the module includes programmable sample-and-hold, configurable reference voltages (VRL/VREFH), and hardware-triggered sequencing - all confirmed in the MC9S12G Family Reference Manual Rev. 1.25, Chapter 12.
Is the S9S12G128AVLH pin-compatible with other S12G family members?
Yes, the S9S12G128AVLH in LQFP-64 is pin-compatible with other S12G devices sharing the same package variant, including S9S12G64AVLH and S9S12G96AVLH. Pin assignments for power, reset, clocks, CAN, SCI, SPI, and GPIOs are identical; only Flash and SRAM sizes differ. This enables hardware reuse across product variants during platform development.
What debug interface does the S9S12G128AVLH provide?
The S9S12G128AVLH provides a single-wire Background Debug Module (BDM) interface compliant with the Freescale BDM specification. It supports flash programming, real-time register and memory access, and non-intrusive breakpoints using only the BKGD pin and ground - no JTAG header required. This interface is supported by P&E Micro, SEGGER, and NXP's own CodeWarrior and S32DS toolchains.
S9S12G128AVLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-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:
- 54
- 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:
S9S12G128AVLH FAQ
1.How can I place an order for S9S12G128AVLH through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G128AVLH 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 S9S12G128AVLH reliable?
The price and inventory of S9S12G128AVLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G128AVLH is usually 5 days.
3.What payment methods are accepted for S9S12G128AVLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G128AVLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G128AVLH?
S9S12G128AVLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G128AVLH 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 S9S12G128AVLH?
For technical support, including S9S12G128AVLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G128AVLH requirements.
6.How does Aetrix verify that S9S12G128AVLH is sourced from the original manufacturer or authorized distributors?
All S9S12G128AVLH 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 S9S12G128AVLH meets industry standards.
7.What is the process for return or replacement of S9S12G128AVLH?
All S9S12G128AVLH units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G128AVLH, 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 S9S12G128AVLH part is unused and in its original packaging.
Return procedure for S9S12G128AVLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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