Overview
The STM8AF6223PDU 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 and features advanced core and peripherals, making it suitable for various automotive applications. It includes 8 Kbytes of Flash program memory, 640 bytes of true data EEPROM, and 1 Kbyte of RAM. The device operates at a maximum clock frequency of 16 MHz and is qualified to the AEC-Q100 standard, ensuring reliability in harsh automotive environments.
Key Specifications
| Parameter | Specification |
|---|---|
| Program Memory | 8 Kbytes Flash |
| Data Memory | 640 bytes true data EEPROM |
| RAM | 1 Kbyte |
| Clock Frequency | Up to 16 MHz |
| Package | TSSOP-20 |
| Operating Temperature | -40°C to 150°C |
| Interrupts | 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 |
| Communication Interfaces | LIN (LIN 2.2 compliant), SPI, I2C |
| ADC | 10-bit, ± 1 LSB ADC with up to 7 muxed channels + 1 internal channel |
| Watchdog Timers | 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
- Advanced STM8A core with Harvard architecture and 3-stage pipeline
- 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
- Wait/auto-wakeup/Halt low-power modes with user-definable clock gating
- Highly robust I/O design, immune against current injection
- LIN (LIN 2.2 compliant), SPI, and I2C communication interfaces
- 10-bit ADC with up to 7 muxed channels and 1 internal channel
Applications
The STM8AF6223PDU is designed for various automotive applications, including body control modules, dashboard and instrument clusters, and other in-vehicle systems that require high reliability and robust performance. Its integrated LIN interface makes it particularly suitable for vehicle network communications.
Q & A
- What is the maximum clock frequency of the STM8AF6223PDU?
The maximum clock frequency is 16 MHz. - What type of memory does the STM8AF6223PDU have?
The device has 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 STM8AF6223PDU?
The operating temperature range is -40°C to 150°C. - Is the STM8AF6223PDU AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications. - What communication interfaces are available on the STM8AF6223PDU?
The device features LIN (LIN 2.2 compliant), SPI, and I2C communication interfaces. - What is the resolution of the ADC on the STM8AF6223PDU?
The ADC is 10-bit with ± 1 LSB accuracy. - How many I/Os does the STM8AF6223PDU have?
The device has up to 28 I/Os, including 21 high sink outputs. - What is the package type of the STM8AF6223PDU?
The package type is TSSOP-20. - Does the STM8AF6223PDU have any watchdog timers?
Yes, it has window and independent watchdog timers. - What is the endurance of the EEPROM on the STM8AF6223PDU?
The EEPROM has an endurance of 300 k write/erase cycles.
