Overview
The STM8S003K3 is a value line 8-bit microcontroller from STMicroelectronics, part of the STM8S microcontroller family. These devices are designed to offer a balance of performance, robustness, and reduced system cost. They feature an advanced 16 MHz STM8 core with Harvard architecture and a 3-stage pipeline, along with an extended instruction set. The microcontrollers are equipped with 8 Kbytes of Flash program memory, 1 Kbyte of RAM, and 128 bytes of true data EEPROM, which supports up to 100,000 write/erase cycles. The integrated peripherals and robust I/O design make these microcontrollers suitable for a variety of applications requiring reliability and efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Frequency | 16 MHz |
| Core Architecture | Harvard architecture with 3-stage pipeline |
| Program Memory | 8 Kbyte Flash memory |
| RAM | 1 Kbyte |
| Data EEPROM | 128 bytes; up to 100 k write/erase cycles |
| Operating Voltage | 2.95 V to 5.5 V |
| Clock Sources | Low-power crystal resonator oscillator, external clock input, internal user-trimmable 16 MHz RC, internal low-power 128 kHz RC |
| Power Management | Low-power modes (wait, active-halt, halt), switch-off peripheral clocks individually, permanently active low-consumption power-on and power-down reset |
| Interrupts | Nested interrupt controller with 32 interrupts, up to 27 external interrupts on 6 vectors |
| Timers | Advanced control timer (16-bit, 4 CAPCOM channels), 16-bit general purpose timer (3 CAPCOM channels), 8-bit basic timer |
| Communication Interfaces | UART, SPI (up to 8 Mbit/s), I²C (up to 400 Kbit/s) |
| ADC | 10-bit 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 |
Key Features
- Advanced Core: 16 MHz STM8 core with Harvard architecture and a 3-stage pipeline, extended instruction set.
- Memories: 8 Kbyte Flash program memory, 1 Kbyte RAM, 128 bytes true data EEPROM with up to 100 k write/erase cycles.
- Clock and Supply Management: Flexible clock control with 4 master clock sources, clock security system, low-power modes.
- Interrupt Management: Nested interrupt controller with 32 interrupts, up to 27 external interrupts on 6 vectors.
- Timers: Advanced control timer, 16-bit general purpose timer, 8-bit basic timer, auto wake-up timer, window and independent watchdog timers.
- Communication Interfaces: UART, SPI up to 8 Mbit/s, I²C up to 400 Kbit/s.
- Analog to Digital Converter (ADC): 10-bit 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, highly robust I/O design.
- Development Support: Embedded single-wire interface module (SWIM) for fast on-chip programming and non-intrusive debugging.
Applications
The STM8S003K3 microcontroller is suitable for a wide range of applications that require reliability, efficiency, and cost-effectiveness. These include:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Smart home devices
- IoT devices
The microcontroller's robust I/O design, advanced timers, and communication interfaces make it an ideal choice for applications requiring precise control and communication.
Q & A
- What is the core frequency of the STM8S003K3 microcontroller?
The core frequency of the STM8S003K3 microcontroller is 16 MHz.
- What type of architecture does the STM8S003K3 core use?
The STM8S003K3 core uses Harvard architecture with a 3-stage pipeline.
- How much program memory does the STM8S003K3 have?
The STM8S003K3 has 8 Kbytes of Flash program memory.
- What is the endurance of the data EEPROM in the STM8S003K3?
The data EEPROM in the STM8S003K3 supports up to 100,000 write/erase cycles.
- What are the operating voltage ranges for the STM8S003K3?
The operating voltage range for the STM8S003K3 is from 2.95 V to 5.5 V.
- What types of clock sources are available on the STM8S003K3?
The STM8S003K3 has four master clock sources: low-power crystal resonator oscillator, external clock input, internal user-trimmable 16 MHz RC, and internal low-power 128 kHz RC.
- Does the STM8S003K3 support low-power modes?
Yes, the STM8S003K3 supports low-power modes including wait, active-halt, and halt modes.
- How many external interrupts can the STM8S003K3 handle?
The STM8S003K3 can handle up to 27 external interrupts on 6 vectors.
- What communication interfaces are available on the STM8S003K3?
The STM8S003K3 features UART, SPI up to 8 Mbit/s, and I²C up to 400 Kbit/s communication interfaces.
- What is the resolution of the ADC on the STM8S003K3?
The ADC on the STM8S003K3 is a 10-bit ADC with up to 5 multiplexed channels.
- Does the STM8S003K3 support on-chip programming and debugging?
Yes, the STM8S003K3 supports on-chip programming and non-intrusive debugging through the embedded single-wire interface module (SWIM).
