Powered by a 16 MHz STM8 core, with 8 KB Flash, 1 KB SRAM, and 128 bytes EEPROM, the STM8S903K3T6CTR integrates a 10-bit ADC, timers, I²C, SPI, and UART interfaces, making it ideal for low-power embedded devices, sensor interfaces, small appliances, and consumer electronics. It comes in an LQFP-32 package, ideal for space-constrained applications.
Product Overview
The STM8S903K3T6CTR is part of the STM8S family from STMicroelectronics, based on a 16 MHz STM8 core, offering a low-power design for small embedded systems with moderate storage and processing needs. The device integrates 8 KB Flash, 1 KB SRAM, and 128 bytes EEPROM, with a wide range of communication interfaces and analog capabilities.
It features a 10-bit ADC, multiple timers (including basic and general-purpose timers), and communication interfaces such as I²C, SPI, and USART, making it ideal for small sensors, home appliances, and wireless modules. The STM8S903K3T6CTR comes in an LQFP-32 package, perfect for space-constrained applications.
Key Features
Product Applications
Technical Specifications
| Parameter | Specification |
| Core | STM8 @ 16 MHz |
| Flash Memory | 8 KB |
| SRAM | 1 KB |
| EEPROM | 128 bytes |
| ADC | 10 ADCs, 1 MSPS |
| Timers | 2 × Basic Timer, 1 × General Purpose Timer |
| GPIO Pins | 18 |
| Communication Interfaces | I²C, SPI, USART |
| Operating Voltage | 2.95 V ~ 5.5 V |
| Package | LQFP-32（5×5 mm） |
| Operating Temperature Range | −40 °C ~ +85 °C |
RFQ & Support
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