Overview
The STM8AF52A9TDY is an 8-bit microcontroller from STMicroelectronics, designed specifically for automotive applications. It belongs to the STM8AF series, which is known for its high density and robust features. This microcontroller offers a balance of performance, system cost reduction, and development efficiency. It features a CAN interface, integrated true data EEPROM, and various peripherals that make it suitable for a wide range of automotive systems. The device operates within a temperature range of up to 150°C, ensuring reliability in harsh environments.
Key Specifications
| Specification | Details |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU 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 Voltage | 3.3 V to 5.5 V |
| Operating Temperature | Up to 150 °C |
| Package | LQFP 64 10x10x1.4 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-Q10x qualified for automotive applications
- Integrated true data EEPROM with 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 1 Mbit/s CAN 2.0B interface and LIN 2.2 compliant UART
- Low-power crystal resonator oscillator and internal, user-trimmable RC oscillators
- Clock security system with clock monitor
- Nested interrupt controller with 32 vectors and up to 37 external interrupts
Applications
The STM8AF52A9TDY is designed for various automotive applications, including engine control units, transmission control units, and other vehicle systems that require robust and reliable microcontrollers. Its ability to operate in high-temperature environments and its compliance with automotive standards make it a suitable choice for demanding automotive tasks.
Q & A
- What is the maximum CPU frequency of the STM8AF52A9TDY?
The maximum CPU frequency is 24 MHz. - What is the program memory capacity of the STM8AF52A9TDY?
The program memory capacity is 128 Kbyte Flash. - What is the operating temperature range of the STM8AF52A9TDY?
The operating temperature range is up to 150 °C. - Does the STM8AF52A9TDY have a CAN interface?
Yes, it features a high speed 1 Mbit/s CAN 2.0B interface. - What is the package type of the STM8AF52A9TDY?
The package type is LQFP 64 10x10x1.4 mm. - Is the STM8AF52A9TDY AEC-Q10x qualified?
Yes, it is AEC-Q10x qualified for automotive applications. - What is the resolution of the ADC in the STM8AF52A9TDY?
The ADC has a 10-bit resolution. - Does the STM8AF52A9TDY support LIN communication?
Yes, it supports LIN 2.2 compliant UART. - What is the endurance of the true data EEPROM in the STM8AF52A9TDY?
The endurance is up to 300 k write/erase cycles. - What development tools are available for the STM8AF52A9TDY?
The device is supported by tools including STVD/STVP development environment, the STice emulator, and low-cost, third-party in-circuit debugging tools.
