STM8S903K3U3
- Mfr.Part #
- STM8S903K3U3
- Manufacturer
- STMicroelectronics
- Package / Case
- 32-UFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 32UFQFPN
- Stock
- 1,955
- In Stock :
- 1,955
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Microcontrollers
- Number of I/O :
- 28
- Number of Pins :
- 32
- Max Power Dissipation :
- 132mW
- Voltage - Supply (Vcc/Vdd) :
- 2.95V~5.5V
- Watchdog Timer :
- yes
- Data Bus Width :
- 8B
- Pin Count :
- 32
- Supply Voltage-Max (Vsup) :
- 5.5V
- EEPROM Size :
- 640 x 8
- Base Part Number :
- STM8S903
- Interface :
- I2C, IrDA, LIN, SPI, UART, USART
- Program Memory Size :
- 8KB 8K x 8
- DMA Channels :
- No
- Bit Size :
- 8
- Operating Temperature :
- -40°C~125°C TA
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Core Size :
- 8-Bit
- Oscillator Type :
- Internal
- Package / Case :
- 32-UFQFN Exposed Pad
- PWM Channels :
- yes
- Program Memory Type :
- Flash
- Frequency :
- 16MHz
- Power Supplies :
- 3.3/5V
- On Chip Program ROM Width :
- 32
- Mount :
- Surface Mount
- Height Seated (Max) :
- 0.6mm
- RoHS Status :
- ROHS3 Compliant
- Has ADC :
- yes
- ROM (words) :
- 2048
- Number of Terminations :
- 32
- Factory Lead Time :
- 8 Weeks
- Terminal Pitch :
- 0.5mm
- Supply Current-Max :
- 4.75mA
- Supply Voltage :
- 3.3V
- Packaging :
- Tray
- Terminal Position :
- QUAD
- Length :
- 5mm
- Memory Size :
- 8kB
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Data Converter :
- A/D 7x10b
- HTS Code :
- 8542.31.00.01
- DAC Channels :
- No
- Core Processor :
- STM8
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- Radiation Hardening :
- No
- Connectivity :
- I2C, IrDA, LINbus, SPI, UART/USART
- Series :
- STM8S
- Mounting Type :
- Surface Mount
- Number of Timers/Counters :
- 9
- RAM Size :
- 1K x 8
- Datasheets
- STM8S903K3U3

Microcontrollers STMicroelectronics STM8S903K3U3 Overview
The STM8S903K3U3 by STMicroelectronics stands out as a highly robust and versatile microcontroller in the competitive field of electronics. This compact, yet powerful, integrated circuit is built on an 8-bit architecture and comes with 8KB of flash memory. Its integration in a 32UFQFPN package makes it suitable for streamlined and space-constrained applications, providing a perfect blend of functionality and compactness. The Microcontrollers STMicroelectronics STM8S903K3U3 is ideal for developers looking for a reliable MCU that offers efficient performance and stability in a range of embedded systems.
STM8S903K3U3 Features
This microcontroller unit (MCU) is notable for its robust feature set which includes:
- 8-bit core with a maximum operating frequency of 16 MHz, ensuring responsive and efficient performance.
- 8 KB of on-chip flash memory, ideal for applications requiring quick and reliable non-volatile storage.
- Advanced connectivity features, including I2C, SPI, and UART interfaces, allowing for easy integration into existing systems.
- Low power consumption modes for energy-sensitive applications, enhancing its use in portable and remote devices.
- Enhanced electrostatic discharge (ESD) protection, ensuring durability and longer life even in harsh environments.
STM8S903K3U3 Applications
- Consumer Electronics: Utilized in household devices such as smart appliances, offering reliable control and connectivity.
- Automotive: Integrated into vehicle systems for managing small-scale operations, improving overall vehicular function and safety.
- Industrial Automation: Serves as a core component in automated machinery controllers, enhancing operational efficiency and reliability.
- Telecommunications: Employed in communication equipment for stable operations and interface management, ensuring robust communication flows.
- Medical Devices: Used in small medical monitoring devices, providing precise and reliable operation critical for patient care.
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