Overview
The STM8AF6226TCSSSY is an automotive 8-bit microcontroller from STMicroelectronics, designed to offer high performance, robustness, and reduced system cost. This microcontroller is part of the STM8AF series, which is known for its advanced core and peripherals, making it suitable for demanding automotive applications.
The device features a 16 MHz CPU with a Harvard architecture and a 3-stage pipeline, ensuring efficient processing. It also includes integrated true data EEPROM, various timers, and multiple communication interfaces, making it a versatile solution for automotive systems.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU Frequency | 16 MHz |
| Program Memory | 8 Kbytes Flash |
| Data Memory | 640 bytes true data EEPROM (300 k write/erase cycles) |
| RAM | 1 Kbyte |
| Package | LQFP 32 7x7x1.4 mm or VFQFPN 32 5x5x1.0 mm |
| Operating Temperature | Up to 150 °C |
| Supply Voltage | Down to 3.0 V |
| Communication Interfaces | LIN 2.2 compliant, UART, 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 |
Key Features
- AEC-Q100 qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline
- Integrated true data EEPROM with 300 k write/erase cycles
- Multiple timers: advanced control timer, 16-bit general purpose timer, 8-bit AR basic timer, auto-wakeup timer
- LIN 2.2 compliant, UART, SPI, and I²C communication interfaces
- 10-bit ADC with up to 7 muxed channels + 1 internal channel
- Internal and external clock control system with clock security system
- Up to 28 I/Os with highly robust I/O design, immune against current injection
- Nested interrupt controller with 32 interrupts and up to 28 external interrupts on 7 vectors
Applications
The STM8AF6226TCSSSY microcontroller is designed for various automotive applications where reliability, performance, and low power consumption are critical. These include:
- Automotive body control modules
- Infotainment systems
- Sensor and actuator control
- Vehicle networking and communication systems
- Other automotive control systems requiring high reliability and performance
Q & A
- What is the CPU frequency of the STM8AF6226TCSSSY?
The CPU frequency is 16 MHz.
- How much program memory does the STM8AF6226TCSSSY have?
The device has 8 Kbytes of Flash program memory.
- What is the endurance of the integrated EEPROM?
The integrated true data EEPROM has an endurance of 300 k write/erase cycles.
- What communication interfaces are available on the STM8AF6226TCSSSY?
The device features LIN 2.2 compliant, UART, SPI, and I²C communication interfaces.
- What is the operating temperature range of the STM8AF6226TCSSSY?
The device can operate up to 150 °C.
- Is the STM8AF6226TCSSSY AEC-Q100 qualified?
- What types of timers are available on the STM8AF6226TCSSSY?
The device includes an advanced control timer, 16-bit general purpose timer, 8-bit AR basic timer, and an auto-wakeup timer.
- What is the resolution of the ADC on the STM8AF6226TCSSSY?
The ADC is 10-bit with ± 1 LSB accuracy.
- How many I/Os does the STM8AF6226TCSSSY have?
The device has up to 28 I/Os.
- What is the supply voltage range for the STM8AF6226TCSSSY?
The device can operate down to 3.0 V supply voltage.
