My Inquiry
My Account
NXP Semiconductors S9S12G128AVLHR
- Part No.:
- S9S12G128AVLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9S12G128AVLHR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,096
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S9S12G128AVLHR from NXP Semiconductors (formerly Freescale) is a 16-bit automotive-grade microcontroller based on the S12 CPU12 core, featuring 128 KB on-chip Flash with ECC, 8 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz bus frequency, supports -40°C to +125°C ambient temperature, and includes 10-bit and 12-bit ADCs, PWM, SPI, SCI, and BDM debug interface - deployed in engine control units and body electronics modules.
For engineers reviewing the S9S12G128AVLHR datasheet, S9S12G128AVLHR pinout, S9S12G128AVLHR application, or S9S12G128AVLHR equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, 128 KB Flash with error correction, CAN 2.0B compliance, 16-channel 10-bit ADC with external trigger support, and 80-pin LQFP package with automotive-grade thermal and EMI robustness.
Technical Context
The S9S12G128AVLHR implements the S12 CPU12 architecture with 16-bit data path and 24-bit address space, executing instructions in single-cycle for most operations. Its memory subsystem includes 128 KB Flash organized in 2 KB sectors with ECC protection, 8 KB SRAM, and 1 KB EEPROM emulation via Flash.
Peripherals are tightly coupled via the S12G Memory Map Controller and Port Integration Module (PIM), enabling flexible pin multiplexing across 80 I/O pins. The device integrates a 16-bit Timer (TIM16B8CV3), 8-channel PWM (S12PWM8B8CV2), dual serial interfaces (SCI and SPI), and a scalable MSCAN module compliant with ISO 11898-1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 24-bit addressing and 25 MHz max bus clock |
| Flash Memory | 128 KB on-chip Flash with ECC, sector erase, and 100K write/erase cycles |
| RAM | 8 KB SRAM with retention during stop mode |
| ADC | 16-channel 10-bit ADC (ADC10B16CV2) with configurable sample time and external trigger inputs |
| CAN Interface | One MSCAN module supporting CAN 2.0B protocol, 1 Mbit/s, with 16 message objects and hardware filtering |
| Operating Temperature | -40°C to +125°C ambient, qualified per AEC-Q100 Grade 1 |
| Package | 80-pin LQFP (12 × 12 mm, 0.5 mm pitch), RoHS-compliant |
Pinout & Package
80-pin Low-Profile Quad Flat Package (LQFP), 12 mm × 12 mm body, 0.5 mm lead pitch, exposed thermal pad (EPAD) not electrically connected. Pinout validated per MC9S12G Family Reference Manual Rev. 1.25, Section 1.8.6 "S12G96 and S12G128".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Separate digital (VDD), analog (VDDA), and XOSC (VDDX) rails for noise isolation and stable ADC reference |
| VSS, VSSA, VSSX | Ground returns | Dedicated digital (VSS), analog (VSSA), and oscillator (VSSX) grounds minimize coupling between domains |
| XTAL, EXTAL | Crystal oscillator terminals | Supports 4–32 MHz crystal or external clock source for main system timing |
| CANH, CANL | CAN bus differential pair | Direct connection to ISO 11898-compliant transceiver; internal pull-ups and slew-rate control enabled |
| PT0–PT7 | Timer input capture/output compare pins | Eight dedicated timer I/O channels for quadrature decoding, pulse measurement, and PWM output |
| AD0–AD15 | Analog input channels | 16-pin multiplexed ADC input bank supporting simultaneous sampling and external trigger synchronization |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | Enables ASIL-B capable systems by detecting and correcting single-bit errors in program memory without software overhead |
| AEC-Q100 Grade 1 qualification | Validated for automotive under-hood operation up to +125°C ambient, including HTOL, TC, and ESD testing |
| MSCAN module | Hardware-based CAN message handling with 16 mailbox buffers, automatic retransmission, and bus-off recovery |
| Background Debug Module (BDM) | Single-wire debug interface supporting full-speed halt/resume, register inspection, and Flash programming in-system |
| Configurable ADC trigger sources | 10-bit ADC supports external edge-triggered conversion via PIM-routed signals (ETRIG0–ETRIG3), enabling synchronized sensor sampling |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor feedback in gasoline direct injection systems. IC Role / Device Role / Timing Role: Primary engine management MCU coordinating fuel injection timing, spark advance, and closed-loop air-fuel ratio control. Use Value: 25 MHz bus speed enables sub-100 µs loop execution; CAN 2.0B ensures deterministic communication with transmission and ABS ECUs. |
Use Scenario: Centralized control of door locks, window lifts, interior lighting, and mirror adjustment in premium vehicle platforms. IC Role / Device Role / Timing Role: Main BCM controller managing LIN slave coordination, PWM dimming, and diagnostic event logging. Use Value: 128 KB Flash accommodates multi-variant firmware; AEC-Q100 Grade 1 guarantees reliability over 15-year vehicle lifecycle. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Closed-loop hydraulic pressure control and gear shift scheduling using turbine speed, oil temperature, and brake switch inputs. IC Role / Device Role / Timing Role: Safety-critical TCU MCU performing real-time torque converter lock-up decisions and fault-tolerant CAN messaging. Use Value: ECC-protected Flash and BDM debug support enable ISO 26262 ASIL-B development and field calibration updates. |
Use Scenario: Aggregation and preprocessing of ultrasonic parking sensor data before forwarding to ADAS domain controller. IC Role / Device Role / Timing Role: Sensor fusion node converting analog echo signals into digital distance metrics via high-resolution ADC and timer-based echo timing. Use Value: 16-channel 10-bit ADC with external trigger allows precise time-of-flight measurement across 8 sensors with <1 µs jitter. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G128F0VLHR | Same die, but with 48 KB Flash and no EEPROM emulation; lacks Flash ECC and some peripheral clock gating features | Targeted at cost-sensitive entry-level BCMs where firmware size and safety requirements are relaxed | Select only if Flash size, ECC, and AEC-Q100 Grade 1 are not required |
| MPC5604B | 32-bit Power Architecture core, 512 KB Flash, dual CAN, enhanced floating-point unit, and higher interrupt latency | Used in mid-tier powertrain and chassis control where deterministic real-time performance and larger code footprint are needed | Choose when migrating from S12 to 32-bit platform with ISO 26262 ASIL-D readiness |
Compared with S9S12G128AVLHR, the S9S12G128F0VLHR reduces safety features and memory integrity for lower BOM cost, while the MPC5604B trades S12's low-latency deterministic response for higher computational throughput and broader ASIL coverage - neither is pin-compatible, requiring PCB redesign.
Availability
S9S12G128AVLHR 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 S9S12G128AVLHR 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 roots in Freescale's automotive MCU legacy.
The S12G family was designed specifically for cost-optimized, ASIL-B-capable automotive body and powertrain control applications, emphasizing robustness, debuggability, and long-term supply stability in harsh environments.
FAQ
What is the maximum operating frequency of the S9S12G128AVLHR?
The S9S12G128AVLHR supports a maximum bus clock frequency of 25 MHz, derived from its internal PLL or external crystal oscillator. This frequency governs instruction execution speed, peripheral timing, and ADC conversion rate. The S9S12G128AVLHR achieves deterministic real-time response critical for engine timing loops and CAN message scheduling at this clock rate.
Does the S9S12G128AVLHR support CAN FD?
No, the S9S12G128AVLHR integrates the legacy MSCAN module compliant with CAN 2.0B only, supporting up to 1 Mbit/s with standard and extended identifiers. It does not implement CAN FD features such as flexible data rate, longer payloads, or CRC enhancements. For CAN FD, designers must select newer families like S32K1 or S32K3.
Is the S9S12G128AVLHR pin-compatible with other S12G devices?
Yes, the S9S12G128AVLHR shares the same 80-pin LQFP package and pinout with other S12G128 variants (e.g., S9S12G128F0VLHR) and selected S12G96 devices, as defined in Section 1.8.6 of the MC9S12G Family Reference Manual Rev. 1.25. However, functional differences in Flash configuration, ECC, and peripheral enablement require firmware validation.
What debug interface does the S9S12G128AVLHR use?
The S9S12G128AVLHR uses the Background Debug Module (BDM) interface, a single-wire, synchronous serial protocol accessible via BKGD pin. It supports full-speed halt/resume debugging, register and memory access, Flash programming, and breakpoint insertion - all without requiring JTAG pins or additional hardware.
How is Flash memory protected against corruption in the S9S12G128AVLHR?
The S9S12G128AVLHR implements ECC (Error Correction Code) across its entire 128 KB Flash array, detecting and correcting single-bit errors on read and preventing silent data corruption. This feature is hardware-enforced and active during normal operation, enabling compliance with ISO 26262 ASIL-B requirements for safety-critical firmware storage.
S9S12G128AVLHR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-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:
- 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:
S9S12G128AVLHR FAQ
1.How can I place an order for S9S12G128AVLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G128AVLHR 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 S9S12G128AVLHR reliable?
The price and inventory of S9S12G128AVLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G128AVLHR is usually 5 days.
3.What payment methods are accepted for S9S12G128AVLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G128AVLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G128AVLHR?
S9S12G128AVLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G128AVLHR 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 S9S12G128AVLHR?
For technical support, including S9S12G128AVLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G128AVLHR requirements.
6.How does Aetrix verify that S9S12G128AVLHR is sourced from the original manufacturer or authorized distributors?
All S9S12G128AVLHR 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 S9S12G128AVLHR meets industry standards.
7.What is the process for return or replacement of S9S12G128AVLHR?
All S9S12G128AVLHR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G128AVLHR, 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 S9S12G128AVLHR part is unused and in its original packaging.
Return procedure for S9S12G128AVLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S9S12G128AVLHR 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…
