Overview
The STM8AF6226TDY 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 suitable for various automotive applications. It features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, operating at a maximum clock frequency of 16 MHz. The device includes integrated true data EEPROM, internal clock oscillators, watchdogs, and brown-out reset, enhancing its reliability and efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 16 MHz |
| Program Memory | 8 Kbytes Flash program memory |
| Data Memory | 640 bytes true data EEPROM; endurance 300 kcycles |
| RAM | 1 Kbyte |
| Package | LQFP 32 7x7x1.4 mm |
| Operating Temperature | Up to 150 °C |
| Communication Interfaces | LIN (LIN 2.2 compliant), SPI, I2C |
| Timers | Advanced control timer, 16-bit general purpose timer, 8-bit AR basic timer, auto-wakeup timer |
| ADC | 10-bit, ± 1 LSB ADC with up to 7 muxed channels + 1 internal channel |
| Watchdogs | Window and independent watchdog timers |
| I/Os | Up to 28 I/Os including 21 high sink outputs |
Key Features
- AEC-Q100 qualified for automotive applications
- Integrated true data EEPROM for up to 300 k write/erase cycles
- Internal clock oscillators, watchdog, and brown-out reset
- Low-power crystal resonator oscillator with external clock input
- Clock security system with clock monitor
- Wait/auto-wakeup/Halt low-power modes with user definable clock gating
- Nested interrupt controller with 32 interrupts and up to 28 external interrupts on 7 vectors
- Robust I/O design, immune against current injection
- LIN (LIN 2.2 compliant), SPI, and I2C communication interfaces
Applications
The STM8AF6226TDY is primarily used in automotive applications, including vehicle control systems, sensor interfaces, and communication modules. Its robust design and high operating temperature range make it suitable for harsh automotive environments. Additionally, it can be used in industrial control systems, medical devices, and other applications requiring high reliability and low power consumption.
Q & A
- What is the maximum CPU frequency of the STM8AF6226TDY?
The maximum CPU frequency is 16 MHz. - How much program memory does the STM8AF6226TDY have?
The STM8AF6226TDY has 8 Kbytes of Flash program memory. - What is the endurance of the true data EEPROM in the STM8AF6226TDY?
The true data EEPROM has an endurance of up to 300 k write/erase cycles. - What communication interfaces are available on the STM8AF6226TDY?
The device supports LIN (LIN 2.2 compliant), SPI, and I2C communication interfaces. - What is the operating temperature range of the STM8AF6226TDY?
The operating temperature range is up to 150 °C. - Is the STM8AF6226TDY AEC-Q100 qualified?
Yes, the STM8AF6226TDY is AEC-Q100 qualified for automotive applications. - What types of timers are available on the STM8AF6226TDY?
The device includes an advanced control timer, 16-bit general purpose timer, 8-bit AR basic timer, and an auto-wakeup timer. - How many I/Os does the STM8AF6226TDY have?
The STM8AF6226TDY has up to 28 I/Os, including 21 high sink outputs. - What is the package type of the STM8AF6226TDY?
The package type is LQFP 32 7x7x1.4 mm. - Does the STM8AF6226TDY support low-power modes?
Yes, it supports wait/auto-wakeup/Halt low-power modes with user definable clock gating.
