Overview
The STM32L4S9ZIJ6 is a member of the STM32L4+ Series of ultra-low-power microcontrollers from STMicroelectronics. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at frequencies up to 120 MHz. This microcontroller is designed for applications requiring high performance and low power consumption, making it suitable for a wide range of uses, including industrial, medical, and consumer electronics.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU | Arm® 32-bit Cortex®-M4 with FPU, up to 120 MHz |
| Flash Memory | 2 Mbytes, 2 banks read-while-write, proprietary code readout protection |
| SRAM | 640 Kbytes, including 64 Kbytes with hardware parity check |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Timers | 16x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit, 5 x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers |
| Communication Interfaces | USB OTG 2.0 full-speed, 4x I2C, 3x SPI, 3x USART, 2x UART, CAN (2.0B Active), SDMMC |
| Analog Peripherals | 12-bit ADC (5 Msps), 2x 12-bit DAC, 2x operational amplifiers, 2x ultra-low-power comparators |
| Package Options | UFBGA 144, LQFP 144, WLCSP 144 |
Key Features
- Ultra-low-power with FlexPowerControl, supporting various power-saving modes (VBAT, Shutdown, Standby, Stop 2 with RTC)
- High-performance Arm® Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator), and DSP instructions
- Advanced graphics features including Chrom-ART Accelerator (DMA2D) and MIPI DSI Host controller
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix
- Encryption hardware accelerator: AES (128/256-bit key), HASH (SHA-256)
- Up to 24 capacitive sensing channels and support for touchkey, linear, and rotary touch sensors
- Internal voltage reference buffer, low-power RTC, and multiple timer options
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™ (ETM)
Applications
- Industrial automation and control systems
- Medical devices requiring low power consumption and high performance
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring advanced motor control and communication interfaces
- IoT devices and smart sensors due to its low power modes and extensive peripheral set
Q & A
- What is the core architecture of the STM32L4S9ZIJ6?
The STM32L4S9ZIJ6 is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU).
- What are the power supply and temperature ranges for this microcontroller?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/125 °C.
- What types of memory does the STM32L4S9ZIJ6 have?
The device has 2 Mbytes of Flash memory and 640 Kbytes of SRAM.
- What are the key communication interfaces available on this microcontroller?
The device features USB OTG 2.0 full-speed, four I2Cs, three SPIs, three USARTs, two UARTs, CAN (2.0B Active), and SDMMC.
- Does the STM32L4S9ZIJ6 support advanced graphics features?
Yes, it includes the Chrom-ART Accelerator (DMA2D) and a MIPI DSI Host controller.
- What are the power-saving modes available on this microcontroller?
The device supports VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode with RTC.
- Does the STM32L4S9ZIJ6 have encryption capabilities?
Yes, it includes an AES (128/256-bit key) and HASH (SHA-256) hardware accelerator.
- What types of analog peripherals are available on this device?
The device includes a 12-bit ADC, two 12-bit DACs, two operational amplifiers, and two ultra-low-power comparators.
- What development tools are supported by the STM32L4S9ZIJ6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ (ETM).
- What are the typical applications for the STM32L4S9ZIJ6?
It is suitable for industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
- What are the package options available for the STM32L4S9ZIJ6?
The device is available in UFBGA 144, LQFP 144, and WLCSP 144 packages.
