Overview
The STM8S105C4T6TR 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. These microcontrollers feature from 16 to 32 Kbytes of Flash program memory and integrated true data EEPROM. The STM8S family is known for its advanced core technology, supporting applications with operating supply voltages from 2.95 V to 5.5 V.
Key Specifications
| Parameter | Value |
|---|---|
| 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 |
| Supply Voltage | 2.95 V to 5.5 V |
| Operating Temperature | -40°C to 85°C |
| Package | LQFP 48 7x7x1.4 mm |
| Clock Sources | 4 master clock sources, including internal RC and external clock input |
| Communication Interfaces | UART, 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 10 multiplexed channels |
| I/Os | Up to 38 I/Os including 16 high sink outputs |
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, low power crystal resonator oscillator, internal user-trimmable 16 MHz RC, and 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.
- 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 interface up to 8 Mbit/s, I2C interface up to 400 kbit/s.
- Analog to Digital Converter (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 immune against current injection.
- Unique ID: 96-bit unique key for each device.
Applications
The STM8S105C4T6TR microcontroller is suitable for a wide range of applications due to its versatility and robust features. These include:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- Smart home devices
- IoT applications
Q & A
- What is the core frequency of the STM8S105C4T6TR microcontroller?
The core frequency is 16 MHz.
- How much Flash program memory does the STM8S105C4T6TR have?
It has up to 32 Kbyte Flash program memory.
- What is the endurance of the data EEPROM in the STM8S105C4T6TR?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What is the operating voltage range of the STM8S105C4T6TR?
The operating voltage range is from 2.95 V to 5.5 V.
- What types of communication interfaces does the STM8S105C4T6TR support?
It supports UART, SPI up to 8 Mbit/s, and I2C up to 400 kbit/s.
- How many I/Os does the STM8S105C4T6TR have?
It has up to 38 I/Os on a 48-pin package.
- What is the operating temperature range of the STM8S105C4T6TR?
The operating temperature range is from -40°C to 85°C.
- Does the STM8S105C4T6TR 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 does the STM8S105C4T6TR have?
It has an advanced control timer, 2x16-bit general purpose timers, an 8-bit basic timer, and auto wake-up, window watchdog, and independent watchdog timers.
- Is the STM8S105C4T6TR RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
