About STMicroelectronics
- Also written
- ST (意法半导体)
- Official website
- shequ.stmicroelectronics.cn
- Founded
- 1987
- Product lines
- STM32 microcontrollers
Sources: STMicroelectronics SMA4FxxAY Automotive 400 W TVS Datasheet · STM32 USB Hardware and PCB Guidelines AN4879 · official site · official site · official site. Checked 2026-10-13. Contact details change - confirm them on the manufacturer's site.
Key facts
- Manuals
- 6,003
- Models
- 1,000+
- Categories
- 2
- Languages
- EN · ZH
- Last added
- 2026-10-13
STMicroelectronics models by category
Featured STMicroelectronics manuals
STMicroelectronics SMA4FxxAY Automotive 400 W TVS Datasheet
The SMA4FxxAY series consists of unidirectional transient voltage suppressors (TVS) designed to protect sensitive automotive circuits against surges defined in ISO 7637 series and electrostatic discharges according to ISO 10605. These devices feature Planar technology for compatibility with high-end circuits requiring low leakage current and high junction temperature stability.
Covers: Features · Characteristics · Package information · Ordering information · Marking · Revision history
STM32 USB Hardware and PCB Guidelines AN4879
This document provides an overview of the USB peripherals implemented on STM32 microcontrollers, covering full-speed and high-speed operations through embedded and/or external PHYs. It serves as a guide for developers to understand the specific USB interfaces available across different STM32 product series.
The document also provides essential hardware guidelines for Printed Circuit Board (PCB) design. These guidelines ensure electrical compliance with USB standards, including protection against Electrostatic Discharge (ESD) and Electromagnetic Interference (EMI), and detail requirements for pull-up resistors and voltage levels.
Covers: Introduction · USB on STM32 products · Supported USB speeds · Protection against ESD and EMI · Applicable products · USB implementation tables
STMicroelectronics STM8A-DISCOVERY Discovery Kit User Manual
The STM8A-DISCOVERY is a low-cost development kit designed to help users evaluate and develop applications using the STM8AF and STM8AL microcontroller families. It consists of two dedicated application boards connected via a LIN network: the STM8AF board supports high-speed CAN and LIN communications powered at 5V, while the STM8AL board manages LIN slave communication with ultra-low power modes powered at 3.3V.
Covers: Quick start · Features · Hardware and layout · Embedded ST-LINK/V2 · Debugging STM8A-DISCOVERY · STM8AF board dedicated resources
STMicroelectronics Bootloader API User Manual
This user manual describes an application programming interface (API) for the STMicroelectronics bootloader protocol. The API is composed of two DLLs: STBLLIB.DLL and Files.DLL. The purpose of the API is to make it easy to develop Microsoft Windows applications that load microcontroller code from a host PC via a serial communications interface into the embedded Flash memory of an STMicroelectronics microcontroller system.
Covers: Library contents · STBLLIB library · Constants · Types · APIs · COM_Close
Latest STMicroelectronics manuals
STMicroelectronics SMA4FxxAY Automotive 400 W TVS Datasheet
Datasheet 15 pages · 805 KB · ENThis datasheet details the STMicroelectronics SMA4FxxAY series of automotive 400 W unidirectional transient voltage suppressors (TVS) with AEC-Q101…
STM32 USB Hardware and PCB Guidelines AN4879
Application Note 26 pages · 550 KB · ENThis application note provides an overview of USB peripherals on STM32 microcontrollers and offers hardware guidelines for PCB design to ensure compliance…
STMicroelectronics STM8A-DISCOVERY Discovery Kit User Manual
User Manual 48 pages · 1.4 MB · ENThis user manual describes the STM8A-DISCOVERY development kit for STM8AF and STM8AL automotive microcontrollers, covering hardware features, quick start…
STMicroelectronics Bootloader API User Manual
Programming Manual 26 pages · 218 KB · ENThis manual describes the Windows API for STMicroelectronics microcontroller bootloaders, detailing two DLLs for loading code and managing files.
STM32L43xxx/44xxx/45xxx/46xxx Reference Manual
Other 26 pages · 531 KB · ENThis reference manual provides detailed information on the STM32L43xxx/44xxx/45xxx/46xxx family of advanced ARM-based 32-bit microcontrollers, covering…
STMicroelectronics LPS22HH Pressure Sensor System Integration Guide
Application Note 23 pages · 1 MB · ZHThis application note provides hardware integration guidelines for the LPS22HH pressure sensor, covering system integration, mechanical design rules, and…
STMicroelectronics Oscillator Design Guide for STM32 and STM8A/S Microcontrollers
Application Note 24 pages · 307 KB · ENThis application note provides guidelines for designing Pierce oscillators, selecting crystals, and optimizing PCB layouts for STM32 and STM8A/S…
STM32 Microcontroller Getting Started Guide for STM32 VL Discovery
User Manual 244 pages · 12.7 MB · ENA comprehensive guide covering hardware setup, software installation, and practical exercises for the STM32 VL Discovery development board.
STMicroelectronics STM32F101xx/STM32F103xx Firmware Library User Manual
User Manual 368 pages · 2.8 MB · ENUser manual for the STM32F101xx and STM32F103xx firmware library, describing API, peripheral functions and usage guidelines.
STMicroelectronics STM8S and STM32 Selection Manual
Application Note 6 pages · 916 KB · ZHSelection guide for STMicroelectronics STM8S and STM32 microcontrollers, detailing features, specifications, and product series.
STMicroelectronics TN0018 LGA Package MEMS Sensor Surface Mount Guide
Application Note 9 pages · 251 KB · ZHTechnical note providing PCB, stencil and solder‑paste guidelines for surface‑mounting LGA‑package MEMS sensors.
STMicroelectronics STM32H742, STM32H743/753, STM32H750 Reference Manual
Programming Manual 2000 pages · 38.8 MB · ENReference manual that details the architecture, memory, peripherals and low‑power features of STM32H742, STM32H743/753 and STM32H750 MCUs.
STMicroelectronics STM32CubeL5 User Manual
User Manual 31 pages · 523 KB · ENThe STMicroelectronics STM32CubeL5 User Manual explains the features, architecture, and usage of the STM32CubeL5 software package for STM32L5 microcontrollers.
STMicroelectronics STM8S, STM8A and STM32 Oscillator Design Guide Application Note
Application Note 42 pages · 2.8 MB · ENThis STMicroelectronics application note explains Pierce oscillator theory and provides design guidelines, component selection, and PCB tips for STM8S…
STMicroelectronics STM32 32-bit MCU Family Datasheet
Datasheet 10 pages · 901 KB · ENOverview of the STM32 32‑bit Flash microcontroller family based on the ARM Cortex‑M3 core.
Which document do I need?
Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Application Note
How to use the product for one specific task, with worked examples.
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Programming Manual
Instruction set, parameters and examples for configuring or programming the device.
Questions answered in STMicroelectronics manuals
What is the peak pulse power capability of the SMA4FxxAY?
The device supports a peak pulse power of 400 W for a 10/1000 µs pulse and 2.5 kW for an 8/20 µs pulse.
From: STMicroelectronics SMA4FxxAY Automotive 400 W TVS Datasheet
What is the maximum operating junction temperature?
The maximum operating junction temperature is 175 °C.
From: STMicroelectronics SMA4FxxAY Automotive 400 W TVS Datasheet
What ESD standard must STM32 USB designs comply with?
The system must comply with both the JESD22-A114D (HBM) and the IEC 61000-4-2 standards.
What is the required pull-up resistor value for USB compliance?
The USB_DP pin must be pulled up with a 1.5 kΩ resistor.
What are the system requirements for using the STM8A-DISCOVERY?
The kit requires a Windows PC (XP, Vista, or 7) and a USB cable with dual type A to mini-B connectors.
From: STMicroelectronics STM8A-DISCOVERY Discovery Kit User Manual
Which development toolchains support the STM8A-DISCOVERY?
The supported toolchains are IAR EWSTM8 and STMicroelectronics STVD.
From: STMicroelectronics STM8A-DISCOVERY Discovery Kit User Manual