Overview
The STM8S103K3T6C is a member of the STM8S family of 8-bit microcontrollers produced by STMicroelectronics. This device is part of the access line and is known for its performance, robustness, and cost-effectiveness. It features a 16 MHz advanced STM8 core with Harvard architecture and a 3-stage pipeline, along with an extended instruction set. The microcontroller includes integrated true data EEPROM and various peripherals, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Frequency | 16 MHz |
| Program Memory | 8 Kbyte Flash; data retention 20 years at 55 °C after 10 kcycle |
| Data Memory | 640 byte true data EEPROM; endurance 300 kcycle |
| RAM | 1 Kbyte |
| Operating Voltage | 2.95 to 5.5 V |
| Clock Sources | 4 master clock sources: low power crystal resonator oscillator, external clock input, internal user-trimmable 16 MHz RC, internal low-power 128 kHz RC |
| Timers | Advanced control timer (16-bit, 4 CAPCOM channels), 16-bit general purpose timer, 8-bit basic timer, auto wake-up timer, window watchdog and independent watchdog timers |
| Communication Interfaces | UART with clock output, SPI up to 8 Mbit/s, I²C up to 400 kbit/s |
| Analog to Digital Converter (ADC) | 10-bit, ±1 LSB ADC with up to 5 multiplexed channels, scan mode and analog watchdog |
| I/Os | Up to 28 I/Os on a 32-pin package including 21 high sink outputs |
| Package | LQFP 32 7x7x1.4 mm, UFQFPN 32 5x5x0.55 mm |
| Operating Temperature | -40 °C to 125 °C |
Key Features
- 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline
- Extended instruction set
- Integrated true data EEPROM with 300 k write/erase cycles
- Flexible clock control with 4 master clock sources
- Low-power modes (wait, active-halt, halt) and switch-off peripheral clocks individually
- Nested interrupt controller with 32 interrupts and up to 27 external interrupts on 6 vectors
- Advanced control timer, 16-bit general purpose timer, and 8-bit basic timer
- UART, SPI, and I²C communication interfaces
- 10-bit ADC with up to 5 multiplexed channels and analog watchdog
- Highly robust I/O design, immune against current injection
- 96-bit unique key for each device
Applications
The STM8S103K3T6C microcontroller is versatile and can be used in various applications, including:
- Industrial control systems
- Automotive systems (e.g., dashboard, body control)
- Consumer electronics (e.g., appliances, remote controls)
- Medical devices
- Smart home devices
- IoT applications requiring low power and robust performance
Q & A
- What is the core frequency of the STM8S103K3T6C microcontroller?
The core frequency is 16 MHz.
- How much program memory does the STM8S103K3T6C have?
The microcontroller has 8 Kbyte Flash program memory.
- What is the endurance of the integrated true data EEPROM?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What are the operating voltage ranges for the STM8S103K3T6C?
The operating voltage ranges from 2.95 to 5.5 V.
- What communication interfaces are available on the STM8S103K3T6C?
The microcontroller features UART, SPI up to 8 Mbit/s, and I²C up to 400 kbit/s interfaces.
- Does the STM8S103K3T6C support low-power modes?
Yes, it supports low-power modes such as wait, active-halt, and halt, and allows switching off peripheral clocks individually.
- How many external interrupts can the STM8S103K3T6C handle?
The microcontroller can handle up to 27 external interrupts on 6 vectors.
- What types of timers are available on the STM8S103K3T6C?
The microcontroller includes an advanced control timer, a 16-bit general purpose timer, an 8-bit basic timer, an auto wake-up timer, and window and independent watchdog timers.
- What is the resolution of the ADC on the STM8S103K3T6C?
The ADC is a 10-bit converter with up to 5 multiplexed channels and an analog watchdog.
- What is the unique feature of the I/O design on the STM8S103K3T6C?
The I/O design is highly robust and immune against current injection.
- Does each STM8S103K3T6C device have a unique identifier?
Yes, each device has a 96-bit unique key.
