Overview
The STM8AF52A8TCY is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8AF series. This microcontroller is designed for high-density applications and features a robust set of peripherals and memory options. It is AEC-Q100 grade 0 qualified, ensuring reliability and performance in automotive environments. The device offers a maximum CPU clock frequency of 24 MHz and integrates various interfaces such as CAN, LIN, USART, SPI, and I2C, making it versatile for a wide range of automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 24 MHz |
| Program Memory | 32 to 128 Kbyte Flash; data retention 20 years at 55 °C |
| Data Memory | Up to 2 Kbyte true data EEPROM; endurance 300 k cycles |
| RAM | 6 Kbyte |
| Supply Voltage | 3.0 to 5.5 V |
| Operating Temperature | -40 °C to 125 °C |
| Package | LQFP 48 7x7x1.4 mm |
| RoHS Compliance | Ecopack2 |
Key Features
- AEC-Q10x qualified for automotive applications
- Integrated true data EEPROM with up to 300 k write/erase cycles
- Low-power crystal resonator oscillator with external clock input
- Internal, user-trimmable 16 MHz RC and low-power 128 kHz RC oscillators
- Clock security system with clock monitor
- Wait/auto-wakeup/Halt low-power modes with user definable clock gating
- Nested interrupt controller with 32 vectors and up to 37 external interrupts
- 2 general purpose 16-bit timers and an advanced control timer
- High speed 1 Mbit/s CAN 2.0B interface and LIN master mode
- USART, SPI, and I2C communication interfaces
- 10-bit resolution ADC with up to 16 multiplexed channels
- Highly robust I/O design, immune against current injection
Applications
The STM8AF52A8TCY is designed for various automotive applications, including:
- Automotive control units
- Body control modules
- Infotainment systems
- Safety and security systems
- Powertrain control units
Q & A
- What is the maximum CPU clock frequency of the STM8AF52A8TCY?
The maximum CPU clock frequency is 24 MHz.
- What is the range of program memory available in the STM8AF52A8TCY?
The program memory ranges from 32 Kbyte to 128 Kbyte.
- What is the endurance of the integrated true data EEPROM?
The endurance is up to 300 k write/erase cycles.
- What are the operating temperature ranges for the STM8AF52A8TCY?
The operating temperature ranges from -40 °C to 125 °C.
- Does the STM8AF52A8TCY support CAN and LIN interfaces?
- What is the package type of the STM8AF52A8TCY?
The package type is LQFP 48 7x7x1.4 mm.
- Is the STM8AF52A8TCY RoHS compliant?
- What are the key communication interfaces available on the STM8AF52A8TCY?
The key communication interfaces include USART, SPI, I2C, CAN, and LIN.
- Does the STM8AF52A8TCY have any low-power modes?
- What is the resolution of the ADC in the STM8AF52A8TCY?
The ADC has a 10-bit resolution with up to 16 multiplexed channels.
