NXP Semiconductors S9KEAZ64AVLH
- Part No.:
- S9KEAZ64AVLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9KEAZ64AVLH.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:290
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Product details
Overview
S9KEAZ64AVLH from NXP Semiconductors is an automotive-qualified 32-bit Arm® Cortex-M0+ microcontroller with 64 KB flash, 8 KB RAM, and operation up to 48 MHz. It integrates MSCAN, dual I²C, triple UART, dual SPI, 12-bit ADC, analog comparators with DAC, FTM/PWM timers, RTC, and operates across –40 to 125°C for engine control and body electronics applications.
For engineers reviewing the S9KEAZ64AVLH datasheet, S9KEAZ64AVLH pinout, S9KEAZ64AVLH application, or S9KEAZ64AVLH equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use cases in automotive subsystems, and validated alternative parts for design continuity and sourcing resilience.
Technical Context
The S9KEAZ64AVLH implements a single-cycle 32-bit x 32-bit multiplier and single-cycle I/O access port, enabling deterministic real-time control. Its clock system combines a 32.768 kHz crystal oscillator, internal FLL with 37.5 kHz factory-trimmed reference, and 1 kHz LPO - supporting FEI/FBE/BLPI modes for dynamic power management.
System-level features include Power Management Module (PMC) with Run/Wait/Stop modes, low-voltage detection (LVD) with four selectable thresholds (2.56–4.8 V), and programmable CRC. The device supports SWD debug, bit-band aliasing, and BME for atomic bit manipulation - critical for safety-critical automotive firmware.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm® Cortex-M0+, up to 48 MHz - enables real-time motor control and sensor fusion at automotive-grade timing precision. |
| Memory | 64 KB flash / 8 KB RAM - sufficient for AUTOSAR-compliant bootloaders and ASIL-B software stacks with OTA update capability. |
| Operating Voltage | 2.7–5.5 V - compatible with 12 V automotive battery systems including cold-crank (down to 2.7 V) and load-dump transients. |
| Temperature Range | –40 to 125°C ambient - qualified per AEC-Q100 Grade 1 for under-hood and transmission control unit deployment. |
| Package | 64-pin LQFP (10 mm × 10 mm) - standard footprint for cost-sensitive automotive PCBs with thermal resistance RθJA = 71°C/W (1S board). |
| Communication | MSCAN (ISO 11898-1), 3× UART, 2× I²C, 2× SPI - supports CAN-based vehicle networks, LIN gateway bridging, and sensor cluster interfacing. |
| ADC | 12-bit SAR, up to 16 channels, Stop-mode operation - enables continuous battery monitoring and thermistor reading during low-power sleep states. |
Pinout & Package
64-pin LQFP (10 mm × 10 mm), RoHS-compliant, moisture sensitivity level (MSL) 3, lead-free reflow profile up to 260°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply and ground | Multiple dedicated pins ensure stable core voltage delivery and noise isolation for mixed-signal operation. |
| VDDA, VSSA | Analog power and ground | Separate analog domain supply (VDDA = VDD ± 0.3 V) minimizes digital switching noise coupling into ADC/ACMP circuits. |
| EXTAL/XTAL | External crystal oscillator input/output | Supports 32.768 kHz crystal (RTC) or 4–24 MHz crystal/resonator - configurable for low-power or high-gain oscillator mode. |
| RESET_b | Active-low reset input | Asynchronous reset with 1.5×tcyc minimum pulse width; internal pull-up ensures robust startup after battery disconnect. |
| PTA0–PTA7, PTB0–PTB7, etc. | GPIO with multiplexed peripheral functions | Up to 71 GPIOs with programmable pull-ups (30–60 kΩ), high-drive strength on select pins (±10 mA), and keyboard interrupt support. |
| CAN_TX/CAN_RX | MSCAN differential transmitter/receiver | Dedicated CAN bus interface compliant with ISO 11898-1; supports baud rates up to 1 Mbps for powertrain communication. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 1 certified - validated for –40 to 125°C operation, ESD (±6 kV HBM), and latch-up immunity (±100 mA). |
| Low-power Stop mode | 1.9 µA typical current (with LPO active) - enables always-on wake-up capability for door modules and smart sensors without draining battery. |
| FlexTimer/PWM | Three independent FTM modules (6-channel + 2×2-channel) - supports multi-phase motor control, LED dimming, and PWM-driven solenoid actuation. |
| Security & integrity | 80-bit unique chip ID + programmable CRC module - provides hardware root-of-trust for firmware authentication and data integrity checks. |
| Debug & development | Serial Wire Debug (SWD) interface with 24 MHz max clock - enables non-intrusive real-time debugging and flash programming in production test environments. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time spark timing, fuel injection pulse width, and OBD-II diagnostics in gasoline engines. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop control algorithms with sub-microsecond timer resolution via FTM and PIT. Use Value: 48 MHz core + 12-bit ADC + MSCAN enables precise air-fuel ratio feedback and CAN-based diagnostic reporting at 500 kbps. |
Use Scenario: Centralized control of lighting, power windows, door locks, and HVAC actuators in passenger vehicles. IC Role / Device Role / Timing Role: System controller managing multiple I²C/SPI peripherals and driving high-current loads via GPIO with external drivers. Use Value: 71 GPIOs + 3× UART + dual I²C allow integration of LIN slaves, ambient light sensors, and touch controllers without external logic. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
Use Scenario: Gear selection logic, clutch pressure modulation, and CAN communication with engine and chassis ECUs. IC Role / Device Role / Timing Role: Safety-relevant controller with Stop-mode wake-up on CAN message and ADC-based oil temperature monitoring. Use Value: 125°C rating + 12-bit ADC + Stop-mode current <2 µA ensures reliable operation in hot transmission tunnel environments. |
Use Scenario: Torque assist calculation, motor phase commutation, and fault detection in brushless DC steering motors. IC Role / Device Role / Timing Role: Real-time motor controller using FTM-generated 3-phase PWM and ADC sampling of motor current/voltage. Use Value: Single-cycle multiplier + 48 MHz clock + 6-channel FTM enable <1 µs PWM dead-time control and fast current loop closure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9KEAZ128AVLH | 128 KB flash / 16 KB RAM; identical package, core, peripherals, and temperature range. | Supports larger AUTOSAR stacks, complex diagnostics, and dual-application partitioning (e.g., safety + non-safety cores). | Select when firmware size exceeds 64 KB or future scalability for feature expansion is required. |
| MKE02Z64VLD4 | Same KE02Z family, 64 KB flash, but only –40 to 105°C rating and no MSCAN; uses different pinout (44-pin LQFP). | Limited to cabin electronics or non-critical body modules where CAN is not required and ambient temperature stays below 105°C. | Choose only for cost-sensitive, non-under-hood applications where CAN and extended temperature are unnecessary. |
Compared with S9KEAZ64AVLH, S9KEAZ128AVLH offers double flash/RAM for enhanced software flexibility without layout change, while MKE02Z64VLD4 sacrifices automotive temperature range and CAN for lower cost and smaller footprint - making it unsuitable for powertrain or safety-critical domains.
Availability
S9KEAZ64AVLH 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 S9KEAZ64AVLH 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 markets, with deep expertise in Arm-based microcontrollers and automotive-grade reliability.
The KEAZ series targets cost-optimized, AEC-Q100-qualified microcontrollers for entry-level automotive applications - emphasizing low-power operation, integrated analog peripherals, and CAN communication for body, chassis, and powertrain subsystems.
FAQ
What is the maximum operating frequency of the S9KEAZ64AVLH?
The S9KEAZ64AVLH operates at up to 48 MHz system clock frequency with its Arm® Cortex-M0+ core, supported by an internal FLL using either the 32.768 kHz crystal or 4–24 MHz external resonator. This frequency is fully validated across the –40 to 125°C temperature range and 2.7–5.5 V supply voltage, enabling deterministic real-time execution in automotive control loops. The S9KEAZ64AVLH achieves this performance while maintaining low power consumption in Run mode.
Does the S9KEAZ64AVLH support CAN communication?
Yes, the S9KEAZ64AVLH integrates a full MSCAN module compliant with ISO 11898-1, supporting baud rates up to 1 Mbps and standard/extended frame formats. It includes dedicated CAN_TX and CAN_RX pins in its 64-pin LQFP package and supports CAN wakeup from Stop mode. The S9KEAZ64AVLH's MSCAN implementation is AEC-Q100 qualified and used in production automotive networks for powertrain and chassis communication.
What is the memory configuration of the S9KEAZ64AVLH?
The S9KEAZ64AVLH contains 64 KB of on-chip flash memory and 8 KB of SRAM. Flash supports read-while-write, secure boot, and backdoor key unsecuring; SRAM includes bit-band aliasing for atomic peripheral register access. Both memories operate across the full –40 to 125°C range and are accessed at full 48 MHz speed. The S9KEAZ64AVLH's memory map is optimized for AUTOSAR OS and MCAL driver deployment in automotive ECUs.
Which package does the S9KEAZ64AVLH use, and what are its thermal characteristics?
The S9KEAZ64AVLH uses a 64-pin LQFP package (10 mm × 10 mm) with exposed pad option not specified. Its thermal resistance is RθJA = 71°C/W on a single-layer board and 53°C/W on a four-layer board, enabling operation at full 48 MHz in 125°C ambient when properly heatsinked. The S9KEAZ64AVLH's package meets JEDEC J-STD-020 MSL 3 and supports lead-free reflow up to 260°C.
How does the S9KEAZ64AVLH handle low-power operation in automotive systems?
The S9KEAZ64AVLH supports three low-power modes: Wait (core clock gated), Stop (all clocks off except 1 kHz LPO), and Very-Low-Power Stop (VLPS). In Stop mode, it draws just 1.9 µA typical with RTC running, and supports wake-up via CAN, GPIO, or RTC alarm. Its LVD circuit provides four programmable voltage thresholds (2.56–4.8 V) with interrupt or reset output - essential for battery monitoring in start-stop systems. The S9KEAZ64AVLH's power architecture is designed specifically for automotive always-on subsystems.
S9KEAZ64AVLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- Kinetis KEA
- Packaging:
- Tray
- 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:
- 57
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K 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:
S9KEAZ64AVLH FAQ
1.How can I place an order for S9KEAZ64AVLH through Aetrix?
Please submit a Request for Quotation (RFQ) for S9KEAZ64AVLH 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 S9KEAZ64AVLH reliable?
The price and inventory of S9KEAZ64AVLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9KEAZ64AVLH is usually 5 days.
3.What payment methods are accepted for S9KEAZ64AVLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9KEAZ64AVLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9KEAZ64AVLH?
S9KEAZ64AVLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9KEAZ64AVLH 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 S9KEAZ64AVLH?
For technical support, including S9KEAZ64AVLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9KEAZ64AVLH requirements.
6.How does Aetrix verify that S9KEAZ64AVLH is sourced from the original manufacturer or authorized distributors?
All S9KEAZ64AVLH 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 S9KEAZ64AVLH meets industry standards.
7.What is the process for return or replacement of S9KEAZ64AVLH?
All S9KEAZ64AVLH units undergo pre-shipment inspection (PSI). If there is an issue with S9KEAZ64AVLH, 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 S9KEAZ64AVLH part is unused and in its original packaging.
Return procedure for S9KEAZ64AVLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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