Overview
The STM8AF6226TCSSSX 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 includes devices with 4 to 8 Kbytes of Flash program memory and integrated true data EEPROM. The STM8AF6226 is AEC-Q100 qualified, ensuring it meets stringent automotive standards. It features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, operating at a maximum CPU frequency of 16 MHz. The device is highly integrated with internal clock oscillators, watchdogs, and brown-out reset, making it suitable for a variety of automotive applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline, max fCPU: 16 MHz |
| Program Memory | 4 to 8 Kbyte Flash program; data retention 20 years at 55 °C after 1 kcycle |
| Data Memory | 640 byte true data EEPROM; endurance 300 kcycle |
| RAM | 1 Kbyte |
| Clock Management | Low-power crystal resonator oscillator with external clock input, internal 16 MHz RC and 128 kHz RC oscillators |
| Reset and Supply Management | Wait/auto-wakeup/Halt low-power modes with user definable clock gating, low-consumption power-on and power-down reset |
| Interrupt Management | Nested interrupt controller with 32 interrupts, up to 28 external interrupts on 7 vectors |
| Timers | Advanced control timer: 16-bit, 4 CAPCOM channels, 16-bit general purpose timer, 8-bit AR basic timer |
| I/Os | Up to 28 I/Os on a 32-pin package including 21 high sink outputs, highly robust I/O design |
| Communication Interfaces | LINUART LIN 2.2 compliant, SPI interface up to 8 Mbit/s, I²C interface up to 400 Kbit/s |
| Analog to Digital Converter (ADC) | 10-bit, ± 1 LSB ADC with up to 7 muxed channels + 1 internal channel, scan mode and analog watchdog |
| Operating Temperature | Up to 150 °C |
| Package | LQFP 32 7x7x1.4 mm or VFQFPN 32 5x5x1.0 mm |
Key Features
- AEC-Q100 qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline
- Integrated true data EEPROM for up to 300 k write/erase cycles
- Internal clock oscillators, watchdogs, and brown-out reset
- Low-power modes with user definable clock gating
- Nested interrupt controller with 32 interrupts and up to 28 external interrupts
- Advanced control timer and general purpose timers
- Highly robust I/O design immune against current injection
- LINUART LIN 2.2 compliant, SPI, and I²C interfaces
- 10-bit ADC with up to 7 muxed channels and analog watchdog
Applications
The STM8AF6226TCSSSX is designed for various automotive applications, including:
- Automotive control units
- Sensor and actuator control
- Body electronics
- Infotainment systems
- Automotive networking (LIN, SPI, I²C)
Q & A
- What is the maximum CPU frequency of the STM8AF6226TCSSSX?
The maximum CPU frequency is 16 MHz.
- How much Flash program memory does the STM8AF6226TCSSSX have?
The device has 4 to 8 Kbytes of Flash program memory.
- What is the endurance of the integrated true data EEPROM?
The integrated true data EEPROM has an endurance of up to 300 k write/erase cycles.
- What communication interfaces are available on the STM8AF6226TCSSSX?
The device supports LINUART LIN 2.2, SPI up to 8 Mbit/s, and I²C up to 400 Kbit/s.
- What is the operating temperature range of the STM8AF6226TCSSSX?
The operating temperature range is up to 150 °C.
- Is the STM8AF6226TCSSSX AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified for automotive applications.
- What types of timers are available on the STM8AF6226TCSSSX?
The device includes an advanced control timer, a 16-bit general purpose timer, and an 8-bit AR basic timer.
- How many I/Os are available on the STM8AF6226TCSSSX?
Up to 28 I/Os are available on a 32-pin package, including 21 high sink outputs.
- Does the STM8AF6226TCSSSX have low-power modes?
Yes, the device features wait/auto-wakeup/Halt low-power modes with user definable clock gating.
- What is the resolution of the ADC on the STM8AF6226TCSSSX?
The ADC is a 10-bit, ± 1 LSB ADC with up to 7 muxed channels and an internal channel.
