Overview
The STM8AF52A6UCY is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8AF series. This microcontroller is designed to offer high performance, robustness, and reduced system cost, making it ideal for automotive applications. It features a 24 MHz CPU with an advanced STM8A core using Harvard architecture and a 3-stage pipeline, ensuring efficient processing. The device includes integrated true data EEPROM, internal clock oscillators, watchdogs, and brown-out reset, which enhance its reliability and reduce development time. The STM8AF52A6UCY is AEC-Q10x qualified and operates within a temperature range of up to 150 °C, conforming to AEC-Q100 grade 0 standards.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 24 MHz |
| Program Memory | 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 | 3.3 V to 5.5 V |
| Operating Temperature | Up to 150 °C |
| Clock Management | Low-power crystal resonator oscillator, internal 16 MHz RC and 128 kHz RC oscillators |
| 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 |
| Analog to Digital Converter (ADC) | 10-bit resolution, up to 16 multiplexed channels |
| I/Os | Up to 68 user pins (11 high sink I/Os) |
Key Features
- AEC-Q10x qualified for automotive applications
- High system integration with internal clock oscillators, watchdogs, and brown-out reset
- Integrated true data EEPROM with up to 300 k write/erase cycles
- Robust I/O design immune against current injection
- High speed 1 Mbit/s 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
- 10-bit ADC with up to 16 multiplexed channels
- Nested interrupt controller with 32 vectors and up to 37 external interrupts
- Low-power modes with user definable clock gating and low consumption power-on and power-down reset
Applications
The STM8AF52A6UCY is designed for various automotive applications, including:
- Automotive control systems
- Body electronics
- Powertrain control
- Safety and security systems
- Infotainment and telematics
Q & A
- What is the maximum CPU frequency of the STM8AF52A6UCY?
The maximum CPU frequency is 24 MHz.
- What type of memory does the STM8AF52A6UCY have?
The device has 128 Kbyte Flash program memory, up to 2 Kbyte true data EEPROM, and 6 Kbyte RAM.
- What are the communication interfaces available on the STM8AF52A6UCY?
The device features CAN 2.0B, USART, LIN 2.2, SPI, and I2C interfaces.
- What is the operating temperature range of the STM8AF52A6UCY?
The operating temperature range is up to 150 °C.
- Is the STM8AF52A6UCY AEC-Q10x qualified?
Yes, it is AEC-Q10x qualified for automotive applications.
- What is the resolution of the ADC on the STM8AF52A6UCY?
The ADC has a 10-bit resolution with up to 16 multiplexed channels.
- How many external interrupts does the STM8AF52A6UCY support?
The device supports up to 37 external interrupts on 5 vectors.
- What are the low-power modes available on the STM8AF52A6UCY?
The device has wait/auto-wakeup/Halt low-power modes with user definable clock gating and low consumption power-on and power-down reset.
- What development tools are available for the STM8AF52A6UCY?
The device is supported by the STVD/STVP development environment, the STice emulator, and low-cost third-party in-circuit debugging tools.
- What is the package type of the STM8AF52A6UCY?
The device is available in a VFQFPN 32 5x5x1.0 mm package.
