Overview
The STM8AF52A8TDY is an advanced 8-bit microcontroller from STMicroelectronics, designed specifically for automotive applications. It features the STM8A core with Harvard architecture and a 3-stage pipeline, ensuring high performance and efficiency. This microcontroller is AEC-Q100 grade 0 qualified, making it suitable for demanding automotive environments. It offers a range of features including high-speed CAN and LIN interfaces, multiple timers, and robust I/O design, making it ideal for complex control systems and real-time data exchange.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Category | 8-bit Microcontrollers - MCU | RoHS | Compliant |
| Series | STM8AF52A8 | Mounting Style | SMD/SMT |
| Package / Case | LQFP-48 | Core | STM8A |
| Program Memory Size | 128 kB | Data Bus Width | 8 bit |
| ADC Resolution | 10 bit | Maximum Clock Frequency | 24 MHz |
| Number of I/Os | 38 I/O | Data RAM Size | 6 kB |
| Supply Voltage - Min | 3 V | Supply Voltage - Max | 5.5 V |
| Minimum Operating Temperature | -40 °C | Maximum Operating Temperature | +150 °C |
| Qualification | AEC-Q100 | Brand | STMicroelectronics |
| Data RAM Type | RAM | Data ROM Size | 2 kB |
| Data ROM Type | EEPROM | Moisture Sensitive | Yes |
Key Features
- AEC-Q100 Grade 0 Qualified: Ensures the microcontroller meets stringent automotive standards.
- Advanced STM8A Core: Features Harvard architecture and a 3-stage pipeline, resulting in 10 MIPS at 16 MHz.
- Memories: Includes 128 Kbyte Flash program memory, up to 2 Kbyte true data EEPROM, and 6 Kbyte RAM.
- Clock Management: Low-power crystal resonator oscillator, internal user-trimmable 16 MHz RC and low-power 128 kHz RC oscillators, and a clock security system.
- Interrupt Management: Nested interrupt controller with 32 vectors and up to 37 external interrupts on 5 vectors.
- Timers: 2 general purpose 16-bit timers, advanced control timer, 8-bit AR basic timer, auto-wakeup timer, and independent watchdog timers.
- I/Os: Up to 68 user pins with 11 high sink I/Os and robust I/O design immune against current injection.
- Communication Interfaces: High-speed 1 Mbit/s CAN 2.0B interface, USART with LIN master mode, SPI interface up to 10 Mbit/s, and I2C interface up to 400 Kbit/s.
- Analog to Digital Converter (ADC): 10-bit resolution with up to 16 multiplexed channels.
Applications
- Automotive Control Systems: Ideal for complex control systems in vehicles, including engine control, transmission control, and body electronics.
- Real-Time Data Exchange: Suitable for applications requiring high-speed data exchange, such as CAN and LIN communication.
- Industrial Automation: Can be used in industrial automation for control and monitoring systems.
- Consumer Electronics: Applicable in consumer electronics that require robust and efficient microcontrollers.
Q & A
- What is the maximum operating temperature of the STM8AF52A8TDY?
The maximum operating temperature is +150 °C.
- What is the maximum clock frequency of the STM8AF52A8TDY?
The maximum clock frequency is 24 MHz.
- What type of memory does the STM8AF52A8TDY have?
The microcontroller has 128 Kbyte Flash program memory, up to 2 Kbyte true data EEPROM, and 6 Kbyte RAM.
- Does the STM8AF52A8TDY support CAN and LIN interfaces?
Yes, it supports high-speed 1 Mbit/s CAN 2.0B interface and LIN master mode.
- What is the ADC resolution of the STM8AF52A8TDY?
The ADC resolution is 10 bits with up to 16 multiplexed channels.
- Is the STM8AF52A8TDY AEC-Q100 qualified?
Yes, it is AEC-Q100 grade 0 qualified.
- What is the package type of the STM8AF52A8TDY?
The package type is LQFP-48.
- How many I/O pins does the STM8AF52A8TDY have?
It has up to 68 user pins with 11 high sink I/Os.
- What are the power supply voltage ranges for the STM8AF52A8TDY?
The supply voltage ranges from 3 V to 5.5 V.
- Does the STM8AF52A8TDY have any low-power modes?
Yes, it has wait/auto-wakeup/Halt low-power modes with user definable clock gating.
