Overview
The STM8AF6269TAY is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8A family. 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 clock frequency, achieving up to 20 MIPS, and is built with a state-of-the-art technology ensuring operation from 3.3 V to 5.5 V supply voltage. The device includes integrated true data EEPROM, internal clock oscillators, watchdogs, and a clock security system, which enhance its reliability and efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | STM8A, 8-bit |
| Speed | 24 MHz |
| Program Memory | 32 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 |
| Operating Temperature | Up to 150 °C |
| Supply Voltage | 3.3 V to 5.5 V |
| Package | LQFP 64 10x10x1.4 mm |
| Communication Interfaces | LIN, UART/USART, SPI, I²C, CAN 2.0B |
| 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: Ensures high reliability and performance in automotive applications.
- Advanced STM8A Core: Harvard architecture and 3-stage pipeline, delivering up to 20 MIPS at 24 MHz.
- Integrated Memories: 32 Kbyte to 128 Kbyte Flash program memory, up to 2 Kbyte true data EEPROM, and 6 Kbyte RAM.
- Clock Management: Low-power crystal resonator oscillator, internal user-trimmable 16 MHz RC and 128 kHz RC oscillators, and clock security system.
- Communication Interfaces: High-speed CAN 2.0B, LIN master mode, USART, SPI, and I²C.
- Timers and ADC: Multiple timers including general purpose and advanced control timers, and a 10-bit ADC with up to 16 multiplexed channels.
- Robust I/O Design: Highly robust I/Os immune against current injection.
- Low-Power Modes: Wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
Applications
The STM8AF6269TAY is designed for various automotive applications where reliability, performance, and robustness are critical. These include:
- Automotive control systems
- Body electronics
- Powertrain control
- Safety and security systems
- Infotainment systems
Q & A
- What is the CPU clock frequency of the STM8AF6269TAY?
The CPU clock frequency is 24 MHz, achieving up to 20 MIPS.
- What is the program memory capacity of the STM8AF6269TAY?
The program memory capacity is 32 Kbyte Flash.
- What are the communication interfaces available on the STM8AF6269TAY?
The device features LIN, UART/USART, SPI, I²C, and CAN 2.0B interfaces.
- What is the operating temperature range of the STM8AF6269TAY?
The operating temperature range is up to 150 °C.
- Is the STM8AF6269TAY AEC-Q100 qualified?
- What type of package does the STM8AF6269TAY come in?
The device comes in an LQFP 64 10x10x1.4 mm package.
- What is the supply voltage range for the STM8AF6269TAY?
The supply voltage range is from 3.3 V to 5.5 V.
- Does the STM8AF6269TAY have any low-power modes?
- What is the endurance of the true data EEPROM in the STM8AF6269TAY?
The endurance is up to 300 k write/erase cycles.
- What development tools are available for the STM8AF6269TAY?
The device is supported by tools such as STVD/STVP development environment, the STice emulator, and low-cost third-party in-circuit debugging tools.
