Overview
The STM8S105K4T3C is a mainstream access line 8-bit microcontroller from STMicroelectronics. It belongs to the STM8S105x4/6 family, which offers a range of benefits including reduced system cost, enhanced performance, robustness, short development cycles, and product longevity. The device features a 16 MHz advanced STM8 core with Harvard architecture and a 3-stage pipeline, along with an extended instruction set. It is designed to operate within a voltage range of 2.95 to 5.5 V, making it versatile for various applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Frequency | 16 MHz |
| Program Memory | Up to 32 Kbyte Flash |
| Data Memory | Up to 1 Kbyte true data EEPROM; endurance 300 kcycle |
| RAM | Up to 2 Kbyte |
| Operating Voltage | 2.95 to 5.5 V |
| ADC Resolution | 10-bit, ±1 LSB with up to 10 multiplexed channels |
| Number of I/Os | Up to 38 I/Os on a 48-pin package |
| Communication Interfaces | UART, SPI up to 8 Mbit/s, I2C up to 400 kbit/s |
| Timers | Advanced control timer, 2x16-bit general purpose timer, 8-bit basic timer |
| Package | LQFP 32 7x7x1.4 mm |
| Operating Temperature | -40°C to 125°C |
Key Features
- Core: 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline, extended instruction set.
- Memories: Up to 32 Kbyte Flash program memory, up to 1 Kbyte true data EEPROM, up to 2 Kbyte RAM.
- Clock and Supply Management: Flexible clock control with 4 master clock sources, internal and external clock options, clock security system.
- Power Management: Low-power modes (wait, active-halt, halt), switch-off peripheral clocks individually.
- Interrupt Management: Nested interrupt controller with 32 interrupts, up to 37 external interrupts on 6 vectors.
- Timers: Advanced control timer, 2x16-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.
- ADC: 10-bit, ±1 LSB ADC with up to 10 multiplexed channels, scan mode and analog watchdog.
- I/Os: Up to 38 I/Os on a 48-pin package including 16 high sink outputs, highly robust I/O design.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S105K4T3C microcontroller is suitable for a wide range of applications due to its versatility and robust features. Some common applications include:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Smart home devices
- IoT devices
Q & A
- What is the core frequency of the STM8S105K4T3C microcontroller?
The core frequency is 16 MHz.
- How much program memory does the STM8S105K4T3C have?
Up to 32 Kbyte Flash program memory.
- What is the endurance of the data EEPROM?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What is the operating voltage range of the STM8S105K4T3C?
The operating voltage range is 2.95 to 5.5 V.
- What communication interfaces are available on the STM8S105K4T3C?
UART, SPI up to 8 Mbit/s, and I2C up to 400 kbit/s.
- How many I/Os does the STM8S105K4T3C have?
Up to 38 I/Os on a 48-pin package.
- What is the resolution of the ADC on the STM8S105K4T3C?
10-bit, ±1 LSB with up to 10 multiplexed channels.
- Does the STM8S105K4T3C have any power-saving features?
Yes, it has low-power modes (wait, active-halt, halt) and the ability to switch off peripheral clocks individually.
- What kind of timers are available on the STM8S105K4T3C?
Advanced control timer, 2x16-bit general purpose timer, 8-bit basic timer, auto wake-up timer, window watchdog, and independent watchdog timers.
- Is the STM8S105K4T3C RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
