ATSAML22G18A - Uncategorized Microchip - Free user manual and instructions
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| Product Type | Low-power 32-bit microcontroller unit (MCU) |
| Manufacturer | Microchip Technology |
| Part Number | ATSAML22G18A |
| Core Processor | ARM Cortex-M0+ 32-bit RISC core |
| Maximum Clock Speed | 32 MHz |
| Flash Memory | 256 KB |
| SRAM Memory | 32 KB |
| Operating Voltage Range | 1.62 V to 3.63 V |
| Package Type | 48-pin TQFP |
| Dimensions | 7 x 7 mm (LQFP-48) |
| Weight | Approximately 0.5 g |
| Digital Peripherals | 16-bit timers, PWM, USART, SPI, I2C, and more |
| Analog Peripherals | 12-bit ADC, 10-bit DAC, and analog comparators |
| Touch Sensing | Integrated Peripheral Touch Controller for capacitive buttons and sliders |
| Low-Power Modes | Idle, standby, and backup sleep modes with flexible wake-up sources |
| Programming and Debug | SWD interface and UART bootloader support |
| Operating Temperature Range | -40°C to +85°C |
| Maintenance and Cleaning | Store in anti-static packaging; clean the circuit board with isopropyl alcohol |
| Safety Precautions | Use ESD-safe handling procedures and do not exceed absolute maximum ratings |
| Replaceability and Repairability | Board-level component; replacement requires hot-air reflow soldering |
| General Information | Free PDF manual and instructions available for download on Notice-Facile.com |
Frequently Asked Questions - ATSAML22G18A Microchip
What is the ATSAML22G18A?
The ATSAML22G18A is a low-power microcontroller from Microchip based on the ARM Cortex-M0+ core. It is designed for battery-powered and touch-sensing applications.
How do I program the ATSAML22G18A?
You can program it using the Serial Wire Debug (SWD) interface with tools such as Atmel-ICE, or use a bootloader via a UART connection. The device is supported by Microchip Studio and other ARM toolchains.
What development tools are supported?
The device is fully supported by Microchip Studio (formerly Atmel Studio), IAR Embedded Workbench, Keil MDK, and MPLAB X with the appropriate device pack.
What is the operating voltage?
The ATSAML22G18A operates from 1.62 V to 3.63 V, making it suitable for single-cell lithium batteries and other low-voltage supplies.
How much memory does the ATSAML22G18A have?
The chip contains 256 KB of flash memory and 32 KB of SRAM, sufficient for many embedded applications such as smart sensors and IoT devices.
Can the ATSAML22G18A run a real-time operating system?
Yes, the ARM Cortex-M0+ core can run lightweight RTOSes such as FreeRTOS, especially with the available 32 KB SRAM and 256 KB Flash.
What low-power modes are available?
The microcontroller offers idle, standby, and backup sleep modes, plus configurable event and wake-up sources, enabling very low average power consumption.
What is the maximum clock frequency?
The maximum CPU clock frequency is 32 MHz, with a high-speed internal oscillator and phase-locked loop options.
How do I connect the ATSAML22G18A to a computer?
For programming and debugging, connect the SWD pins (SWDIO, SWCLK) to an SWD debugger, or use a USB-to-UART converter with the bootloader firmware.
Where can I find the datasheet and manual?
The official datasheet and user manual are available on Microchip's website or through free manual platforms such as Notice-Facile.com for download in PDF.
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USER MANUAL ATSAML22G18A Microchip
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Product information
Brand : Microchip
Model : ATSAML22G18A
Category : Uncategorized