Overview
The STM8AF6223PCAU 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 AEC-Q100 qualified, ensuring it meets stringent automotive standards. The device features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, operating at a maximum CPU frequency of 16 MHz. It includes integrated true data EEPROM, various timers, and multiple communication interfaces, making it suitable for a wide range of automotive applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline, 16 MHz max CPU frequency |
| Program Memory | 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, internal 16 MHz RC and 128 kHz RC oscillators, clock security system |
| Timers | 16-bit advanced control timer, 16-bit general purpose timer, 8-bit AR basic timer, auto-wakeup timer, window and independent watchdog timers |
| I/Os | Up to 28 I/Os on a 32-pin package including 21 high sink outputs |
| Communication Interfaces | LINUART LIN 2.2 compliant, SPI interface up to 8 Mbit/s, I²C interface up to 400 Kbit/s |
| ADC | 10-bit, ± 1 LSB ADC with up to 7 muxed channels + 1 internal channel |
| Operating Temperature | Up to 150 °C |
| Package | TSSOP-20 |
| RoHS Compliance | Ecopack2 |
Key Features
- AEC-Q100 qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline
- Extended instruction set
- Integrated true data EEPROM with 300 k write/erase cycles
- Low-power crystal resonator oscillator and internal RC oscillators
- Clock security system with clock monitor
- Nested interrupt controller with 32 interrupts and up to 28 external interrupts
- Advanced control timer, general purpose timer, and basic timer
- 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
- Wait/auto-wakeup/Halt low-power modes with user-definable clock gating
Applications
The STM8AF6223PCAU is designed for various automotive applications, including:
- Body control modules
- Infotainment systems
- Powertrain control units
- Safety and security systems
- Automotive sensors and actuators
Q & A
- What is the maximum CPU frequency of the STM8AF6223PCAU?
The maximum CPU frequency is 16 MHz.
- What type of memory does the STM8AF6223PCAU have?
The device has 8 Kbyte Flash program memory, 640 byte true data EEPROM, and 1 Kbyte RAM.
- What communication interfaces are available on the STM8AF6223PCAU?
The device features LINUART LIN 2.2 compliant, SPI interface up to 8 Mbit/s, and I²C interface up to 400 Kbit/s.
- What is the operating temperature range of the STM8AF6223PCAU?
The operating temperature range is up to 150 °C.
- Is the STM8AF6223PCAU AEC-Q100 qualified?
- What type of timers are available on the STM8AF6223PCAU?
The device includes a 16-bit advanced control timer, a 16-bit general purpose timer, an 8-bit AR basic timer, an auto-wakeup timer, and window and independent watchdog timers.
- How many I/Os does the STM8AF6223PCAU have?
The device has up to 28 I/Os on a 32-pin package, including 21 high sink outputs.
- What is the package type of the STM8AF6223PCAU?
The package type is TSSOP-20.
- Is the STM8AF6223PCAU RoHS compliant?
- What is the endurance of the EEPROM on the STM8AF6223PCAU?
The EEPROM has an endurance of 300 k write/erase cycles.
