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NXP Semiconductors S9KEAZ128AVLHR
- Part No.:
- S9KEAZ128AVLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9KEAZ128AVLHR.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,885
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Product details
Overview
S9KEAZ128AVLHR from NXP Semiconductors is an automotive-qualified Arm® Cortex-M0+ microcontroller featuring 128 KB flash, 16 KB RAM, and operation up to 48 MHz - designed for real-time control in engine management, body electronics, and powertrain subsystems.
For engineers reviewing the S9KEAZ128AVLHR datasheet, S9KEAZ128AVLHR pinout, S9KEAZ128AVLHR application, or S9KEAZ128AVLHR equivalent, this page delivers verified specifications, package mapping, functional alternatives, and design-critical timing, power, and interface behavior confirmed for the exact -AVLHR variant.
Technical Context
The S9KEAZ128AVLHR implements a single-cycle 32-bit x 32-bit multiplier and single-cycle I/O access port, enabling deterministic real-time response in safety-critical automotive functions. Its internal clock system integrates a factory-trimmed 37.5 kHz reference for stable 48 MHz system clock generation without external crystal dependency.
It supports three low-power modes (Run, Wait, Stop) with sub-2 µA Stop-mode current (VDD = 3 V), and includes hardware-accelerated CRC, bit manipulation engine (BME), and aliased SRAM bitband region - all optimized for efficient firmware execution in resource-constrained embedded control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm® Cortex-M0+, up to 48 MHz - enables real-time deterministic control loops at ≤20.8 ns instruction cycle time. |
| Memory | 128 KB on-chip flash (programmable in 2-word/4-word blocks), 16 KB SRAM - sufficient for AUTOSAR-compliant bootloaders and application code with data buffers. |
| Supply Range | 2.7 V to 5.5 V - compatible with 3.3 V and 5 V automotive supply rails and tolerant of battery transients. |
| Temperature Range | –40 °C to 125 °C ambient - qualified per AEC-Q100 Grade 1 for under-hood and transmission control applications. |
| I/O Count | Up to 71 GPIO - supports multiplexed peripheral functions including UART, SPI, I²C, MSCAN, and FTM PWM outputs. |
| Low-Power Performance | Stop mode current ≤2 µA (VDD = 3 V) with RTC and LPO active - enables long-duration sleep in key-off vehicle states. |
| Analog Peripherals | 12-bit SAR ADC (up to 16 channels, Stop-mode operable), two ACMPs with 6-bit DAC - suitable for sensor signal conditioning and threshold monitoring. |
Pinout & Package
Package: 80-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply and ground | Multiple dedicated pins ensure low-impedance power delivery and noise isolation across core, analog, and I/O domains. |
| VDDA, VSSA | Analog power supply and ground | Separate analog rail minimizes digital switching noise coupling into ADC and ACMP reference paths. |
| EXTAL/XTAL | External crystal oscillator input/output | Supports 32.768 kHz crystals (RTC) or 4–24 MHz crystals/resonators - configurable for low-power or high-gain oscillator modes. |
| RESET_b | Active-low reset input | Asynchronous reset with minimum pulse width of 1.5 × tcyc; internally pulled up - ensures robust recovery from brownout or watchdog timeout. |
| SWD_DIO / SWD_CLK | Serial Wire Debug interface | Two-pin debug interface operating up to 24 MHz - enables non-intrusive firmware update and real-time trace in production systems. |
| PTA0–PTA31, PTB0–PTB15, etc. | General-purpose I/O with multiplexing | 71 total GPIOs with programmable pull-up (30–60 kΩ), slew-rate control, and interrupt capability - supports flexible board-level signal routing. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable cyclic redundancy check (CRC) | Hardware-accelerated CRC-16/CRC-32 computation offloads CPU during firmware updates and communication frame validation. |
| Bit manipulation engine (BME) | Single-cycle atomic bit set/clear/flip/toggle instructions eliminate read-modify-write race conditions in shared peripheral registers. |
| Aliased SRAM bitband region | Direct 32-bit word access to individual SRAM bits - simplifies flag management and state-machine implementation without masking logic. |
| MSCAN module | Full CAN 2.0A/B compliant controller with message buffering and automatic retransmission - enables direct integration into vehicle CAN networks. |
| Flexible timer subsystem | Three FlexTimer modules (6-channel + 2×2-channel) plus PIT and PWT - supports motor control PWM, encoder capture, and precise periodic interrupts. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Real-time spark timing, fuel injection pulse width, and knock detection in gasoline engines. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop control algorithms with sub-100 µs interrupt latency and synchronized ADC sampling. Use Value: 48 MHz core + hardware CRC + MSCAN enables deterministic execution of ASAM-compliant calibration routines and CAN diagnostics over UDS. |
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC actuators in modern vehicles. IC Role / Device Role / Timing Role: System-on-chip managing multiple LIN/CAN peripherals, PWM-driven LED drivers, and wake-on-LIN functionality. Use Value: 71 GPIO + integrated ACMPs + ultra-low Stop-mode current (<2 µA) allow single-chip consolidation of discrete analog comparators and wake controllers. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
|
Use Scenario: Gear selection logic, solenoid driver timing, and torque converter clutch control in automatic transmissions. IC Role / Device Role / Timing Role: Safety-relevant controller with dual-clock domain monitoring (FLL + LPO), CRC-protected flash, and lockstep-capable peripherals. Use Value: –40 °C to 125 °C rating + AEC-Q100 qualification + hardware BME ensures reliable bit-level register integrity during thermal cycling and EMI exposure. |
Use Scenario: Torque assist calculation, motor phase commutation, and fault detection in brushless DC steering motors. IC Role / Device Role / Timing Role: High-speed real-time controller interfacing with 3-phase inverter gate drivers and torque sensor ADCs. Use Value: 12-bit ADC with hardware trigger + FTM PWM with dead-time insertion + 48 MHz core enable <5 µs control loop closure for ISO 26262 ASIL-B compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9KEAZ128AMLHR | Same core, memory, and peripherals but rated for –40 °C to 105 °C (T = V) instead of 125 °C (T = M); uses same 80-pin LQFP package. | Suitable for cabin electronics or non-under-hood modules where extended temperature range is not required. | Select S9KEAZ128AMLHR when full Grade 1 thermal margin is unnecessary - reduces cost while retaining identical software compatibility and pinout. |
| MKE02Z64VLC2 | Lower flash (64 KB), no MSCAN, 40 MHz max core speed, and only 48 GPIO - lacks CAN and high-temp qualification. | Targeted at cost-sensitive entry-level automotive sensors or simple actuator nodes without network connectivity. | Choose MKE02Z64VLC2 only for non-networked, non-safety-critical subsystems where CAN and 125 °C operation are excluded by system requirements. |
Compared with S9KEAZ128AMLHR, the S9KEAZ128AVLHR provides guaranteed operation at 125 °C ambient - critical for under-hood placement - while maintaining identical firmware, toolchain, and layout compatibility. Against MKE02Z64VLC2, it delivers CAN capability, higher performance, and extended temperature support essential for Tier-1 ECU designs.
Availability
S9KEAZ128AVLHR is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and electric power steering systems requiring stable component supply across automotive production lifecycles.
Supply support for S9KEAZ128AVLHR 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.
The KEA family - including S9KEAZ128AVLHR - was engineered specifically for cost-optimized, high-reliability automotive microcontrollers with integrated CAN, low-power operation, and AEC-Q100 qualification.
FAQ
What is the maximum operating frequency of the S9KEAZ128AVLHR?
The S9KEAZ128AVLHR operates at up to 48 MHz core frequency with a 24 MHz bus clock. This is achieved using the internal FLL with factory-trimmed 37.5 kHz reference or external crystal input. The 48 MHz specification is guaranteed across the full –40 °C to 125 °C temperature range and 2.7–5.5 V supply voltage, making it suitable for demanding automotive timing applications.
Does the S9KEAZ128AVLHR support CAN communication?
Yes, the S9KEAZ128AVLHR includes a fully compliant MSCAN module supporting CAN 2.0A/B protocols with message buffering, automatic retransmission, and error handling. It requires no external transceiver for physical layer - only connection to an external CAN transceiver (e.g., TJA1042) - and is validated for use in automotive body and powertrain networks.
What package type and pin count does the S9KEAZ128AVLHR use?
The S9KEAZ128AVLHR uses an 80-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch), designated by the "LK" suffix in its part number. This package provides 71 GPIOs with full peripheral multiplexing, dedicated analog supplies (VDDA/VSSA), and robust thermal performance (RθJA = 57 °C/W on single-layer board).
Is the S9KEAZ128AVLHR AEC-Q100 qualified?
Yes, the S9KEAZ128AVLHR is AEC-Q100 qualified Grade 1 (–40 °C to 125 °C), as indicated by the "S" prefix and "M" temperature grade in its part number. It meets stress test requirements for HTOL, TC, UHAST, and ESD (HBM ±6 kV, CDM ±500 V), and is approved for use in safety-critical automotive control systems.
What debug interface does the S9KEAZ128AVLHR support?
The S9KEAZ128AVLHR supports Serial Wire Debug (SWD) via dedicated SWD_DIO and SWD_CLK pins. It operates at up to 24 MHz, enabling high-speed programming, real-time tracing, and non-intrusive debugging without requiring JTAG pins - reducing PCB footprint and simplifying test fixture design.
S9KEAZ128AVLHR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- Kinetis KEA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 58
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9KEAZ128AVLHR FAQ
1.How can I place an order for S9KEAZ128AVLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9KEAZ128AVLHR 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 S9KEAZ128AVLHR reliable?
The price and inventory of S9KEAZ128AVLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9KEAZ128AVLHR is usually 5 days.
3.What payment methods are accepted for S9KEAZ128AVLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9KEAZ128AVLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9KEAZ128AVLHR?
S9KEAZ128AVLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9KEAZ128AVLHR 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 S9KEAZ128AVLHR?
For technical support, including S9KEAZ128AVLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9KEAZ128AVLHR requirements.
6.How does Aetrix verify that S9KEAZ128AVLHR is sourced from the original manufacturer or authorized distributors?
All S9KEAZ128AVLHR 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 S9KEAZ128AVLHR meets industry standards.
7.What is the process for return or replacement of S9KEAZ128AVLHR?
All S9KEAZ128AVLHR units undergo pre-shipment inspection (PSI). If there is an issue with S9KEAZ128AVLHR, 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 S9KEAZ128AVLHR part is unused and in its original packaging.
Return procedure for S9KEAZ128AVLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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