Overview
The STM8AF52A8TCX is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8AF52 series. This microcontroller is designed to offer high performance, robustness, and reduced system cost, making it ideal for various automotive applications. It features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, ensuring efficient processing at up to 24 MHz CPU clock frequency. The device also includes integrated true data EEPROM, internal clock oscillators, watchdog, and brown-out reset, enhancing system integration and reliability. The STM8AF52A8TCX supports a wide range of development tools and is qualified to AEC-Q100 grade 0, ensuring product longevity and compliance with automotive standards.
Key Specifications
| Specification | Details |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Maximum Clock Frequency | 24 MHz |
| Program Memory | 128 Kbyte Flash program; data retention 20 years at 55 °C |
| Data Memory | Up to 2 Kbyte true data EEPROM; endurance 300 k cycles |
| RAM | 6 Kbyte |
| Operating Temperature | -40 °C to 150 °C |
| Package | LQFP 48 7x7x1.4 mm |
| Communication Interfaces | CAN 2.0B, USART, LIN 2.2, SPI, I2C |
| Timers | 2 general purpose 16-bit timers, advanced control timer, 8-bit AR basic timer, auto-wakeup timer |
| ADC | 10-bit resolution, up to 16 multiplexed channels |
Key Features
- AEC-Q100 grade 0 qualified for automotive applications
- Integrated true data EEPROM for up to 300 k write/erase cycles
- High system integration level with internal clock oscillators, watchdog, and brown-out reset
- Robust I/O design, immune against current injection
- High-speed CAN 2.0B interface and LIN 2.2 compliant USART
- SPI interface up to 10 Mbit/s and I2C interface up to 400 Kbit/s
- Low-power crystal resonator oscillator and internal RC oscillators
- Clock security system with clock monitor
- Nested interrupt controller with 32 vectors and up to 37 external interrupts
- Wait/auto-wakeup/Halt low-power modes with user-definable clock gating
Applications
The STM8AF52A8TCX is designed for various automotive applications, including:
- Automotive control units
- Body control modules
- Infotainment systems
- Safety and security systems
- Powertrain control systems
Q & A
- What is the maximum clock frequency of the STM8AF52A8TCX?
The maximum clock frequency is 24 MHz.
- What type of memory does the STM8AF52A8TCX have?
The device has 128 Kbyte Flash program memory, up to 2 Kbyte true data EEPROM, and 6 Kbyte RAM.
- What are the operating temperature ranges for the STM8AF52A8TCX?
The operating temperature range is from -40 °C to 150 °C.
- Does the STM8AF52A8TCX support CAN and LIN interfaces?
- What is the package type of the STM8AF52A8TCX?
The package type is LQFP 48 7x7x1.4 mm.
- Is the STM8AF52A8TCX qualified for automotive use?
- What kind of timers does the STM8AF52A8TCX have?
The device includes 2 general purpose 16-bit timers, an advanced control timer, an 8-bit AR basic timer, and an auto-wakeup timer.
- Does the STM8AF52A8TCX have low-power modes?
- What is the resolution of the ADC in the STM8AF52A8TCX?
The ADC has a 10-bit resolution with up to 16 multiplexed channels.
- What development tools support the STM8AF52A8TCX?
The device is supported by tools such as STVD/STVP development environment, the STice emulator, and low-cost third-party in-circuit debugging tools.
