Overview
The STM32L4S5ZIT6 is a member of the STM32L4 series of ultra-low-power microcontrollers from STMicroelectronics. This device is based on the Arm® Cortex®-M4 32-bit CPU with a floating-point unit (FPU), offering high performance and low power consumption. It is designed for applications requiring advanced graphics, touch sensing, and a wide range of peripherals. The STM32L4S5ZIT6 is particularly suited for use in battery-powered devices, IoT applications, and other systems where power efficiency is critical.
Key Specifications
| Specification | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 120 MHz |
| Performance | 150 DMIPS, 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Flash Memory | 2 Mbytes, 2 banks read-while-write |
| 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 |
| Low Power Modes | 305 nA in VBAT mode, 33 nA Shutdown mode, 125 nA Standby mode, 2.8 μA Stop 2 with RTC |
| Timers | 16 timers including advanced motor-control, general purpose, and low-power timers |
| Communication Interfaces | USB OTG 2.0, 2x SAIs, 4x I2C, 6x USARTs, 3x SPIs, CAN, SDMMC |
| Analog Peripherals | 12-bit ADC, 2x 12-bit DAC, 2x operational amplifiers, 2x ultra-low-power comparators |
| Graphics Features | Chrom-ART Accelerator, Chrom-GRC, MIPI® DSI Host controller, LCD-TFT controller |
Key Features
- Ultra-low-power with FlexPowerControl, including batch acquisition mode (BAM) and various low power modes.
- Advanced graphics capabilities with Chrom-ART Accelerator, Chrom-GRC, and MIPI® DSI Host controller.
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, operational amplifiers, and ultra-low-power comparators.
- Multiple communication interfaces such as USB OTG 2.0, serial audio interfaces, I2C, USARTs, SPIs, CAN, and SDMMC.
- Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- RTC with hardware calendar, alarms, and calibration.
- True random number generator, CRC calculation unit, and 96-bit unique ID.
- Development support with serial wire debug (SWD), JTAG, and Embedded Trace Macrocell (ETM).
Applications
- Battery-powered devices and IoT applications where low power consumption is crucial.
- Industrial automation and control systems.
- Medical devices requiring high performance and low power.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, especially those requiring advanced graphics and touch sensing.
Q & A
- What is the core architecture of the STM32L4S5ZIT6?
The STM32L4S5ZIT6 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU). - What is the maximum frequency of the STM32L4S5ZIT6?
The maximum frequency is up to 120 MHz. - How much flash and SRAM memory does the STM32L4S5ZIT6 have?
The device has 2 Mbytes of flash memory and 640 Kbytes of SRAM. - What are the power supply and temperature range specifications?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/125 °C. - What are the low power modes available on the STM32L4S5ZIT6?
The device offers several low power modes including VBAT mode (305 nA), Shutdown mode (33 nA), Standby mode (125 nA), and Stop 2 mode with RTC (2.8 μA). - What kind of communication interfaces does the STM32L4S5ZIT6 support?
The device supports USB OTG 2.0, serial audio interfaces, I2C, USARTs, SPIs, CAN, and SDMMC. - Does the STM32L4S5ZIT6 have any advanced graphics features?
Yes, it includes the Chrom-ART Accelerator, Chrom-GRC, MIPI® DSI Host controller, and LCD-TFT controller. - What kind of analog peripherals are available on the STM32L4S5ZIT6?
The device features a 12-bit ADC, 12-bit DACs, operational amplifiers, and ultra-low-power comparators. - Is the STM32L4S5ZIT6 suitable for touch sensing applications?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors. - What development tools are supported by the STM32L4S5ZIT6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell (ETM).
