Overview
The STM8AL3136UCX is an automotive 8-bit ultra-low-power microcontroller (MCU) produced by STMicroelectronics. This MCU is part of the STM8AL313x/4x/6x family and is designed for applications requiring low power consumption and high performance. It features an advanced STM8 core with Harvard architecture and a 3-stage pipeline, allowing for a maximum frequency of 16 MHz and 16 CISC MIPS peak performance. The device is AEC-Q100 qualified, ensuring its suitability for automotive environments.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Power Supply Range | 1.8 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 °C to 85 °C or 125 °C |
| Program Memory | Up to 32 Kbyte Flash |
| Data Memory | Up to 1 Kbyte true data EEPROM |
| RAM | Up to 2 Kbyte |
| Maximum Clock Frequency | 16 MHz |
| ADC Resolution | 12-bit, up to 1 Mbps/25 channels |
| DAC Resolution | 12-bit with output buffer |
| Number of I/Os | Up to 41, all mappable on interrupt vectors |
| Package Type | VFQFPN32, 5 x 5 mm |
Key Features
- Low Power Modes: Five low-power modes including Wait, low-power run, low-power wait, active-halt with full RTC, and halt with PDR.
- Advanced STM8 Core: Harvard architecture and 3-stage pipeline, with a maximum frequency of 16 MHz and 16 CISC MIPS peak performance.
- Reset and Supply Management: Low power, ultra-safe BOR reset with 5 selectable thresholds, ultra-low power POR/PDR, and programmable voltage detector (PVD).
- Clock Management: 1 to 16 MHz crystal oscillator, 32 kHz crystal oscillator, internal 16 MHz factory-trimmed RC, and internal 38 kHz low consumption RC.
- Communication Interfaces: SPI, fast I2C 400 kHz SMBus and PMBus, and USART (ISO 7816 interface, IrDA, LIN 1.3, LIN 2.0).
- Timers and Watchdogs: Two 16-bit timers, one 16-bit advanced control timer, one 8-bit timer, and two watchdogs.
- DMA and Peripherals: Four DMA channels supporting ADC, DAC, SPI, I2C, USART, and timers.
- LCD Controller: Up to 4x28 segments with step-up converter (for STM8AL3Lxx models).
Applications
The STM8AL3136UCX is designed for various automotive and industrial applications where low power consumption and high reliability are critical. These include:
- Automotive control systems
- Industrial automation
- IoT devices
- Smart sensors and actuators
- Low-power embedded systems
Q & A
- What is the operating power supply range of the STM8AL3136UCX?
The operating power supply range is 1.8 V to 3.6 V, and it can go down to 1.65 V at power down.
- What is the temperature range for the STM8AL3136UCX?
The temperature range is -40 °C to 85 °C or 125 °C.
- What is the maximum clock frequency of the STM8AL3136UCX?
The maximum clock frequency is 16 MHz.
- What types of communication interfaces does the STM8AL3136UCX support?
The device supports SPI, fast I2C 400 kHz SMBus and PMBus, and USART (ISO 7816 interface, IrDA, LIN 1.3, LIN 2.0).
- How many low-power modes does the STM8AL3136UCX have?
The device has five low-power modes: Wait, low-power run, low-power wait, active-halt with full RTC, and halt with PDR.
- What is the resolution of the ADC and DAC in the STM8AL3136UCX?
The ADC resolution is 12-bit up to 1 Mbps/25 channels, and the DAC resolution is 12-bit with an output buffer.
- Does the STM8AL3136UCX support LCD control?
The STM8AL3Lxx models support up to 4x28 segments with a step-up converter, but the STM8AL3136UCX specifically does not have an LCD controller.
- What is the package type of the STM8AL3136UCX?
The package type is VFQFPN32, with dimensions of 5 x 5 mm.
- Is the STM8AL3136UCX AEC-Q100 qualified?
Yes, the STM8AL3136UCX is AEC-Q100 qualified, making it suitable for automotive applications.
- What development support does the STM8AL3136UCX offer?
The device supports fast on-chip programming and non-intrusive debugging with SWIM, as well as a bootloader using USART).
