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NXP Semiconductors S9KEAZN32AMLC
- Part No.:
- S9KEAZN32AMLC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9KEAZN32AMLC.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
S9KEAZN32AMLC from NXP Semiconductors is a 32-bit ARM® Cortex®-M0+ microcontroller designed for cost-sensitive automotive body electronics. It integrates 32 KB flash, 4 KB RAM, 256 B EEPROM emulation, operates at up to 40 MHz bus frequency, and features FlexTimer (FTM), UART, SPI, I²C, 12-bit ADC, analog comparators, and GPIO with interrupt capability - deployed in window/roof controllers, ambient lighting, and pump/fan control.
For engineers reviewing the S9KEAZN32AMLC datasheet, S9KEAZN32AMLC pinout, S9KEAZN32AMLC application, or S9KEAZN32AMLC equivalent, key selection criteria include its AEC-Q100 qualified operation (–40°C to 125°C), 2.7–5.5 V supply range, exceptional EMC/ESD robustness, and scalable LQFP-64 package with 57 GPIOs - critical for automotive sensor nodes and entry-level body controllers requiring low-power, high-reliability MCU solutions.
Technical Context
The S9KEAZN32AMLC implements an Internal Clock Source (ICS) module with Frequency-Locked Loop (FLL) supporting FEI/FEE/FBE modes, enabling precise bus clock derivation (e.g., 20 MHz via internal reference + BDIV=2). Its clock tree feeds peripherals including UART, FTM, and ADC from a configurable bus clock derived independently of core frequency.
Peripherals are managed through dedicated modules: FlexTimer Module (FTM) provides 16-bit counter with output compare, PWM, and input capture; UART supports full-duplex NRZ communication with programmable baud rate, 8/9-bit framing, and hardware interrupts; ADC delivers 12-bit resolution across up to 16 channels with configurable sample time and trigger sources.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, 32-bit RISC architecture optimized for deterministic real-time control in automotive environments. |
| Max Bus Frequency | 40 MHz - determines maximum peripheral throughput and real-time response latency for UART, FTM, and ADC operations. |
| Flash / RAM / EEPROM | 32 KB / 4 KB / 256 B emulated - sufficient for bootloader + application firmware, runtime variables, and non-volatile configuration storage without external memory. |
| ADC Resolution & Channels | 12-bit SAR ADC with up to 16 input channels - enables accurate voltage/current sensing in motor control and sensor fusion applications. |
| FlexTimer (FTM) | One 16-bit timer with multiple channels supporting PWM generation, input capture, and periodic interrupts - used for LED dimming, fan speed control, and timing-critical event handling. |
| Communication Interfaces | 3 × UART, 2 × SPI, 1 × I²C - supports multi-sensor connectivity, LIN-over-UART, and diagnostic communication in body control modules. |
| GPIO Count | Up to 57 pins with interrupt, pull-up/down, and slew-rate control - allows direct interfacing with switches, LEDs, relays, and sensors without external logic. |
Pinout & Package
LQFP-64 package with 10 mm × 10 mm footprint, 0.5 mm pitch, and exposed thermal pad - compatible with standard automotive PCB assembly processes and supports thermal dissipation up to 125°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Primary 2.7–5.5 V power domain; multiple VSS pins ensure low-impedance return paths for noise-sensitive analog/digital sections. |
| PTA0–PTA7, PTB0–PTB7, PTC0–PTC7, PTD0–PTD7, PTE0–PTE7, PTF0–PTF7, PTG0–PTG7, PTH0–PTH7, PTI0–PTI6 | General-purpose I/O | 57 total GPIOs mapped across 9 ports; each supports digital input/output, interrupt-on-change, and configurable pull-up/pull-down for switch debouncing or bus termination. |
| UART0_TX / UART0_RX | Asynchronous serial interface | Dedicated pins for primary debug/communication channel; support 9600–115200 baud with hardware flow control disabled by default. |
| FTM0_CH0–FTM0_CH7 | PWM/timing signal outputs | Eight-channel FlexTimer output pins usable for motor gate drive, LED dimming, or encoder signal generation with 16-bit resolution and dead-time insertion capability. |
| ADC0_SE0–ADC0_SE15 | Analog input channels | 16 single-ended inputs routed to 12-bit ADC; share pins with GPIO, enabling flexible mixed-signal routing without additional muxing hardware. |
| I²C0_SCL / I²C0_SDA | Two-wire serial interface | Open-drain pins supporting 100 kHz standard-mode and 400 kHz fast-mode I²C for connecting temperature sensors, EEPROMs, or display drivers. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 2 qualification | Guarantees operation from –40°C to +105°C junction temperature - validated for under-hood and cabin-mounted automotive ECUs. |
| EMC/ESD robustness | Meets ISO 11452-2 (radiated immunity), ISO 11452-4 (BCI), and ISO 10605 (ESD ±25 kV air/±30 kV contact) - reduces need for external filtering components. |
| Low-power modes (VLPR/VLPS/LPS) | Supports sub-μA stop-current consumption with wake-up on GPIO, UART, or RTC - extends battery life in always-on sensor nodes. |
| Internal Clock Source (ICS) with FLL | Enables 40 MHz system clock without external crystal; eliminates BOM cost and board space for oscillator circuitry while maintaining ±2% accuracy over temperature. |
| EEPROM emulation layer | 256 B of flash-based non-volatile storage with wear-leveling and atomic write support - replaces discrete EEPROM for calibration data and fault logs. |
Applications
| Window/Roof Controller | Ambient Lighting System |
|---|---|
Use Scenario: Precise position feedback and bidirectional motor control for power windows and sunroofs in entry-level vehicles. IC Role / Device Role / Timing Role: Real-time motor commutation via FTM-generated PWM, ADC-based hall-effect sensor reading, and UART-based diagnostic reporting. Use Value: Enables smooth, jerk-free motion with stall detection and ECU-level error logging using integrated 12-bit ADC and 57 GPIOs - no external motor driver IC required for basic implementations. | Use Scenario: RGB LED dimming and color mixing in dashboard and footwell lighting with adaptive brightness based on ambient light sensing. IC Role / Device Role / Timing Role: PWM timing generator (FTM), ambient light ADC sampling, and I²C interface to external light sensor. Use Value: Achieves 16-bit effective dimming resolution via FTM dithering and automatic gain adjustment using on-chip 12-bit ADC - eliminates external PWM controller and light-to-digital converter. |
| Pump/Fan Controller | Motorcycle CDI/EFI Module |
Use Scenario: Closed-loop speed regulation of radiator cooling fans and fuel pumps in engine management systems. IC Role / Device Role / Timing Role: Tachometer input capture (FTM), PWM output to MOSFET gate driver, and CAN-free serial diagnostics via UART. Use Value: Supports 10–20 kHz PWM switching with dead-time control and 16-bit timer resolution - ensures efficient BLDC commutation and thermal protection without external timing ICs. | Use Scenario: Ignition timing calculation and fuel injection pulse-width modulation in motorcycle electronic control units. IC Role / Device Role / Timing Role: High-precision crankshaft position decoding (FTM input capture), spark advance computation (Cortex-M0+), and injector driver PWM output. Use Value: Delivers <1 μs timing jitter on spark events using FTM's hardware input capture and 40 MHz bus clock - meets strict ignition timing tolerances for two-stroke and four-stroke engines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9KEAZN64AMLC | 64 KB flash, same 4 KB RAM and 256 B EEPROM; identical peripheral set and pinout compatibility in LQFP-64. | Supports larger firmware images (e.g., OTA update stack + application), but requires revalidation of flash programming algorithms. | Select when future firmware growth or dual-bank bootloading is anticipated; no PCB change needed if migrating within same package variant. |
| MKE02Z64VLD4 | Same Kinetis E-series lineage; 64 KB flash, 4 KB RAM, but rated only to 105°C ambient and lacks AEC-Q100 qualification. | Suitable for industrial or consumer-grade motor control where automotive reliability certification is not mandated. | Choose for cost-sensitive non-automotive designs requiring identical toolchain and peripheral compatibility but without automotive qualification overhead. |
Compared with S9KEAZN32AMLC, S9KEAZN64AMLC offers double flash capacity with identical timing/peripheral behavior - ideal for firmware scalability - while MKE02Z64VLD4 provides identical architecture at lower qualification grade, reducing cost where AEC-Q100 is unnecessary.
Availability
S9KEAZN32AMLC is available at Aetrix Electronics and suitable for automotive body controllers, ambient lighting systems, and pump/fan control applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S9KEAZN32AMLC 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 S9KEAZN32AMLC belongs to the Kinetis EA series - a family of cost-optimized, AEC-Q100 qualified Cortex-M0+ MCUs targeting entry-level automotive body electronics, emphasizing low pin count, ultra-low power, and robust EMC performance.
FAQ
What is the maximum operating temperature range certified for the S9KEAZN32AMLC?
The S9KEAZN32AMLC is AEC-Q100 Grade 2 qualified, certified for continuous operation from –40°C to +105°C ambient temperature. This rating covers typical under-dash and cabin-mounted automotive applications. Junction temperature limits remain within safe margins under worst-case power dissipation at 105°C ambient, verified per JEDEC JESD22-A108.
Does the S9KEAZN32AMLC include hardware support for CAN bus communication?
No, the S9KEAZN32AMLC does not integrate a CAN controller or transceiver. Per AN4942 Table 1, all KEAZN-series devices (including S9KEAZN32AMLC) list "0" under the CAN column. For CAN-enabled alternatives in the same family, consider S9KEAZ64AMLC or S9KEAZ128AMLC, which feature one fully compliant CAN 2.0B module.
How many UART interfaces does the S9KEAZN32AMLC support, and what are their key capabilities?
The S9KEAZN32AMLC supports three UART modules (UART0, UART1, UART2), each offering full-duplex NRZ communication, programmable baud rates (up to 115200 bps at 20 MHz bus clock), 8- or 9-bit data framing, 1- or 2-stop bits, and hardware interrupt support for transmit/receive events. UART2 is commonly used for OpenSDA debug on TRK-KEA boards.
Can the S9KEAZN32AMLC operate without an external crystal oscillator?
Yes, the S9KEAZN32AMLC can operate entirely from its internal clock source (ICS) with Frequency-Locked Loop (FLL). In FEI mode, it achieves 40 MHz system clock using only the internal reference oscillator (31.25 kHz or 39.0625 kHz depending on trim), eliminating need for external crystal - confirmed in AN4942 Section 3.2 and Table 1.
What development tools and IDEs are officially supported for firmware development on the S9KEAZN32AMLC?
NXP officially supports CodeWarrior Development Studio v10.6, Keil MDK-ARM, IAR Embedded Workbench, and Processor Expert for S9KEAZN32AMLC. Example projects in AN4942 were built using CodeWarrior v10.6 on TRK-KEA128/KEA64/KEA8 evaluation boards, and MQX Lite RTOS integration is also documented.
S9KEAZN32AMLC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- Kinetis KEA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 28
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256 x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9KEAZN32AMLC FAQ
1.How can I place an order for S9KEAZN32AMLC through Aetrix?
Please submit a Request for Quotation (RFQ) for S9KEAZN32AMLC 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 S9KEAZN32AMLC reliable?
The price and inventory of S9KEAZN32AMLC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9KEAZN32AMLC is usually 5 days.
3.What payment methods are accepted for S9KEAZN32AMLC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9KEAZN32AMLC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9KEAZN32AMLC?
S9KEAZN32AMLC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9KEAZN32AMLC 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 S9KEAZN32AMLC?
For technical support, including S9KEAZN32AMLC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9KEAZN32AMLC requirements.
6.How does Aetrix verify that S9KEAZN32AMLC is sourced from the original manufacturer or authorized distributors?
All S9KEAZN32AMLC 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 S9KEAZN32AMLC meets industry standards.
7.What is the process for return or replacement of S9KEAZN32AMLC?
All S9KEAZN32AMLC units undergo pre-shipment inspection (PSI). If there is an issue with S9KEAZN32AMLC, 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 S9KEAZN32AMLC part is unused and in its original packaging.
Return procedure for S9KEAZN32AMLC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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