Overview
The STM8S105C4T3, produced by STMicroelectronics, is a feature-rich 8-bit microcontroller that belongs to the STM8S105x4/6 access line. This device is designed to meet various application requirements with its advanced STM8 core, featuring a Harvard architecture and a 3-stage pipeline. It offers up to 32 Kbyte of Flash program memory and 1 Kbyte of true data EEPROM, ensuring ample storage for program data and settings. The microcontroller also includes integrated clock, reset, and supply management features, which provide flexibility and efficiency in power consumption. Additionally, it supports multiple communication interfaces such as UART, SPI, and I2C, enabling seamless connectivity with external devices.
Key Specifications
| Parameter | Value |
|---|---|
| Core | STM8 |
| Program Memory Size | Up to 32 Kbyte Flash |
| Data RAM Size | Up to 2 Kbyte |
| Package / Case | LQFP-48 |
| Number of I/Os | Up to 38 I/Os |
| Supply Voltage - Min | 2.95 V |
| Supply Voltage - Max | 5.5 V |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Data Bus Width | 8 bit |
| Interface Type | I2C, IrDA, LIN, SPI, UART |
| Number of Timers/Counters | 7 Timer |
| Processor Series | STM8S10x |
Key Features
- Advanced Core: 16 MHz STM8 core with Harvard architecture and 3-stage pipeline, extended instruction set.
- Memory Options: Up to 32 Kbyte Flash program memory, up to 1 Kbyte true data EEPROM, and up to 2 Kbyte RAM.
- Clock and Supply Management: Flexible clock control with 4 master clock sources, low-power modes, and individual peripheral clock switching.
- Communication Interfaces: UART, SPI, and I2C interfaces, supporting various communication protocols like SmartCard, IrDA, and LIN master mode.
- Timers and Watchdogs: Advanced control timer, general-purpose timers, basic timer, auto wake-up timer, window watchdog, and independent watchdog timers.
- Analog to Digital Converter (ADC): 10-bit ADC with up to 10 multiplexed channels, scan mode, and analog watchdog.
- I/Os: Up to 38 I/Os 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 STM8S105C4T3 is versatile and can be used in a wide range of applications, including:
- Industrial Automation: For controlling and monitoring industrial processes.
- Consumer Electronics: In devices such as home appliances, remote controls, and gaming consoles.
- Automotive Systems: For various automotive applications requiring robust and reliable microcontrollers.
- Medical Devices: In medical equipment that requires precise control and reliable operation.
- IoT Devices: For Internet of Things applications needing efficient and low-power microcontrollers.
Q & A
- What is the core frequency of the STM8S105C4T3?
The core frequency of the STM8S105C4T3 is 16 MHz.
- What is the maximum operating temperature of the STM8S105C4T3?
The maximum operating temperature is +125°C.
- What types of communication interfaces does the STM8S105C4T3 support?
The STM8S105C4T3 supports UART, SPI, and I2C interfaces, along with protocols like SmartCard, IrDA, and LIN master mode.
- How much Flash program memory does the STM8S105C4T3 have?
The STM8S105C4T3 has up to 32 Kbyte of Flash program memory.
- What is the endurance of the data EEPROM in the STM8S105C4T3?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What is the package type of the STM8S105C4T3?
The package type is LQFP-48.
- Does the STM8S105C4T3 have any power management features?
Yes, it includes low-power modes (wait, active-halt, halt) and the ability to switch off peripheral clocks individually.
- How many I/Os does the STM8S105C4T3 have?
The STM8S105C4T3 has up to 38 I/Os, including 16 high sink outputs.
- Is the STM8S105C4T3 RoHS compliant?
Yes, the STM8S105C4T3 is RoHS compliant.
- What is the unique identifier feature of the STM8S105C4T3?
Each device has a 96-bit unique key.
