Overview
The STM8AF6223PCU 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 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 clock frequency of 16 MHz. The device 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 |
| 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 |
| Package | TSSOP-20 |
| Operating Temperature | Up to 150 °C |
| Communication Interfaces | LIN (LIN 2.2 compliant), SPI (up to 8 Mbit/s), I²C (up to 400 Kbit/s) |
| Timers | Advanced control timer, 16-bit general purpose timer, 8-bit AR basic timer, auto-wakeup timer, window and independent watchdog timers |
| ADC | 10-bit, ± 1 LSB ADC with up to 7 muxed channels + 1 internal channel, scan mode and analog watchdog |
Key Features
- AEC-Q100 qualified for automotive applications
- Integrated true data EEPROM for up to 300 k write/erase cycles
- Low-power crystal resonator oscillator with external clock input, internal 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
- Highly robust I/O design, immune against current injection
- LIN, SPI, and I²C communication interfaces
- 10-bit ADC with scan mode and analog watchdog
Applications
The STM8AF6223PCU is designed for various automotive applications, including:
- Automotive body electronics (e.g., lighting, wipers, mirrors)
- Powertrain and engine control systems
- Infotainment and dashboard systems
- Safety and security systems (e.g., airbag, anti-theft)
- Automotive networking and communication systems
Q & A
- What is the maximum CPU frequency of the STM8AF6223PCU?
The maximum CPU frequency is 16 MHz.
- What type of memory does the STM8AF6223PCU have?
The device has 4 to 8 Kbytes of Flash program memory, 640 bytes of true data EEPROM, and 1 Kbyte of RAM.
- What are the communication interfaces available on the STM8AF6223PCU?
The device supports LIN (LIN 2.2 compliant), SPI (up to 8 Mbit/s), and I²C (up to 400 Kbit/s) interfaces.
- What is the operating temperature range of the STM8AF6223PCU?
The operating temperature range is up to 150 °C.
- Is the STM8AF6223PCU AEC-Q100 qualified?
- What type of timers are available on the STM8AF6223PCU?
The device includes an advanced control timer, 16-bit general purpose timer, 8-bit AR basic timer, auto-wakeup timer, and window and independent watchdog timers.
- Does the STM8AF6223PCU have an analog-to-digital converter (ADC)?
- What is the package type of the STM8AF6223PCU?
The device is available in a TSSOP-20 package.
- Does the STM8AF6223PCU support low-power modes?
- How many external interrupts does the STM8AF6223PCU support?
