Overview
The STM8AF6223PAX 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 STM8AF6223PAX is AEC-Q100 qualified, ensuring it meets the stringent requirements for 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 is highly integrated, including internal clock oscillators, watchdogs, and brown-out reset, which helps in reducing the overall system cost and enhancing reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 16 MHz |
| Program Memory | 4 to 8 Kbytes 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 |
| Supply Voltage | 3.0 V to 5.5 V |
| Operating Temperature | -40 °C to 150 °C |
| Package | TSSOP-20 |
| RoHS Compliance | Ecopack2 |
| Grade | Automotive |
Key Features
- AEC-Q100 qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline
- Integrated true data EEPROM with up to 300 k write/erase cycles
- Low-power crystal resonator oscillator with external clock input and internal, user-trimmable 16 MHz RC and low-power 128 kHz RC oscillators
- 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
- Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
- LINUART LIN 2.2 compliant, master/slave modes with automatic resynchronization
- SPI interface up to 8 Mbit/s and I²C interface up to 400 Kbit/s
- 10-bit ADC with up to 7 muxed channels + 1 internal channel, scan mode and analog watchdog
Applications
The STM8AF6223PAX is designed for various automotive applications, including but not limited to:
- Automotive 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 STM8AF6223PAX?
The maximum CPU frequency is 16 MHz. - What type of memory does the STM8AF6223PAX have?
The device has 4 to 8 Kbytes of Flash program memory, 640 bytes of true data EEPROM, and 1 Kbyte of RAM. - What is the operating temperature range of the STM8AF6223PAX?
The operating temperature range is -40 °C to 150 °C. - Is the STM8AF6223PAX RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 rating. - What communication interfaces are available on the STM8AF6223PAX?
The device features LINUART LIN 2.2 compliant, SPI up to 8 Mbit/s, and I²C up to 400 Kbit/s interfaces. - What is the package type of the STM8AF6223PAX?
The package type is TSSOP-20. - Does the STM8AF6223PAX have any power-saving features?
Yes, it includes wait/auto-wakeup/Halt low-power modes with user definable clock gating and low-consumption power-on and power-down reset. - What kind of timers are available on the STM8AF6223PAX?
The device includes an 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. - Is the STM8AF6223PAX suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications. - What is the endurance of the EEPROM on the STM8AF6223PAX?
The EEPROM has an endurance of up to 300 k write/erase cycles.
