Overview
The STM8AF628ATCY is a robust and feature-rich 8-bit microcontroller from STMicroelectronics, designed primarily for automotive applications. It is part of the STM8A family, known for its reliability and performance in demanding environments. This microcontroller is built around the proprietary STM8 core, which can deliver up to 20 MIPS at 24 MHz. It offers a comprehensive set of peripherals and interfaces, making it an ideal choice for a wide range of automotive systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | STM8A core, up to 20 MIPS at 24 MHz |
| Program Memory | 64 KB Flash |
| Data Memory | Up to 2 KB true data EEPROM, 6 KB RAM |
| Package | LQFP-80 (14x14 mm) |
| Supply Voltage | 3.0 V to 5.5 V |
| Operating Temperature | Up to 150 °C |
| Communication Interfaces | LIN 2.1, UART, SPI, I²C, CAN 2.0B |
| Analog to Digital Converter (ADC) | 10-bit resolution, up to 16 multiplexed channels |
| Timers | 2 general purpose 16-bit timers, advanced control timer, 8-bit AR basic timer, auto-wakeup timer, window and independent watchdog timers |
| Interrupts | Nested interrupt controller with 32 vectors, up to 37 external interrupts on 5 vectors |
Key Features
- Advanced STM8A Core: Delivers up to 20 MIPS at 24 MHz with a Harvard architecture and 3-stage pipeline.
- Comprehensive Peripherals: Includes timers, LIN 2.1, UART, SPI, I²C, CAN 2.0B, and a 10-bit ADC.
- Robust I/O Design: Up to 68 user pins with highly robust I/O design, immune against current injection.
- Low-Power Modes: Wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- Integrated Debug Module: Single-wire debug module for efficient debugging.
- AEC-Q100 Grade 0 Qualified: Ensures reliability and performance in extreme automotive environments.
Applications
The STM8AF628ATCY is specifically designed for automotive applications, including but not limited to:
- Engine control units
- Transmission control units
- Body control modules
- Safety and security systems
- Infotainment and dashboard systems
Q & A
- What is the core architecture of the STM8AF628ATCY?
The STM8AF628ATCY is based on the proprietary STM8A core with a Harvard architecture and a 3-stage pipeline.
- What is the maximum operating temperature of the STM8AF628ATCY?
The STM8AF628ATCY can operate up to 150 °C.
- What communication interfaces are available on the STM8AF628ATCY?
The microcontroller features LIN 2.1, UART, SPI, I²C, and CAN 2.0B interfaces.
- What is the resolution of the ADC on the STM8AF628ATCY?
The ADC has a 10-bit resolution with up to 16 multiplexed channels.
- Is the STM8AF628ATCY qualified for automotive use?
Yes, it is AEC-Q100 grade 0 qualified, ensuring reliability in automotive environments.
- What is the package type of the STM8AF628ATCY?
The microcontroller is packaged in an LQFP-80 (14x14 mm) package.
- What are the low-power modes available on the STM8AF628ATCY?
The microcontroller features wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- Does the STM8AF628ATCY have integrated debug capabilities?
Yes, it includes a single-wire debug module for efficient debugging.
- What is the maximum frequency of the STM8AF628ATCY?
The microcontroller can operate at up to 24 MHz.
- How much program memory does the STM8AF628ATCY have?
The STM8AF628ATCY has 64 KB of Flash program memory.
