Overview
The STM8AF6248TDX is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8A family. These microcontrollers are designed to offer a balance of performance, robustness, and cost-effectiveness, making them ideal for automotive applications. The STM8AF6248TDX features advanced core architecture, high system integration, and a range of peripherals that simplify system design and reduce development time. With its ability to operate in a wide temperature range and its compliance with automotive standards such as AEC-Q100 rev G, this microcontroller is well-suited for demanding automotive environments.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 16 MHz |
| Performance | Average 1.6 cycles/instruction, resulting in 10 MIPS at 16 MHz |
| Flash Program Memory | 16 to 32 Kbyte; data retention 20 years at 55 °C after 1 kcycle |
| Data Memory | 0.5 to 1 Kbyte true data EEPROM; endurance 300 kcycle |
| RAM | 2 Kbyte |
| Clock Management | Low-power crystal resonator oscillator, internal 16 MHz RC and 128 kHz RC oscillators, clock security system |
| Reset and Supply Management | Wait/auto-wakeup/Halt low-power modes, low consumption power-on and power-down reset |
| Interrupt Management | Nested interrupt controller with 32 vectors, up to 34 external interrupts on 5 vectors |
| Timers | Up to 2 general purpose 16-bit PWM timers, advanced control timer, 8-bit AR basic timer, auto-wakeup timer, window and independent watchdog timers |
| Communication Interfaces | LIN 2.2 compliant, SPI up to 8 Mbit/s, I2C up to 400 Kbit/s |
| Analog-to-Digital Converter (ADC) | 10-bit accuracy, up to 10 multiplexed channels with individual data buffer |
| I/Os | Up to 38 user pins including 10 HS I/Os, highly robust I/O design |
| Operating Temperature | Up to 150 °C |
| Package | LQFP 48 7x7x1.4 mm |
| Qualification | AEC-Q100 rev G, AEC-Q10x qualified |
Key Features
- AEC-Q10x qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline
- High system integration with internal clock oscillators, watchdog, and brown-out reset
- Robust I/O design, immune against current injection
- LIN 2.2 compliant, SPI, and I2C communication interfaces
- 10-bit ADC with up to 10 multiplexed channels
- Multiple timers including general purpose 16-bit PWM timers and advanced control timer
- Low-power modes with user definable clock gating
- Operating supply range of 3.3 V to 5 V
Applications
The STM8AF6248TDX is designed for various automotive applications, including:
- Body control modules
- Infotainment systems
- Powertrain control units
- Safety and security systems
- Automotive sensors and actuators
Its robust design and compliance with automotive standards make it suitable for use in harsh automotive environments.
Q & A
- What is the maximum CPU frequency of the STM8AF6248TDX?
The maximum CPU frequency is 16 MHz.
- What type of memory does the STM8AF6248TDX have?
The microcontroller has 16 to 32 Kbyte of Flash program memory, 0.5 to 1 Kbyte of true data EEPROM, and 2 Kbyte of RAM.
- What communication interfaces are available on the STM8AF6248TDX?
The microcontroller features LIN 2.2, SPI up to 8 Mbit/s, and I2C up to 400 Kbit/s interfaces.
- What is the operating temperature range of the STM8AF6248TDX?
The operating temperature range is up to 150 °C.
- Is the STM8AF6248TDX qualified for automotive use?
- What type of package is the STM8AF6248TDX available in?
The microcontroller is available in an LQFP 48 7x7x1.4 mm package.
- Does the STM8AF6248TDX have any low-power modes?
- What is the ADC accuracy of the STM8AF6248TDX?
The ADC has a 10-bit accuracy with 2LSB TUE accuracy and linearity.
- How many external interrupts can the STM8AF6248TDX handle?
- What development tools are available for the STM8AF6248TDX?
The microcontroller is supported by tools including STVD/STVP development environment, the STice emulator, and low-cost third-party in-circuit debugging tools.
