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ATSAML22N18A-CFUT
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Product Detailed Parameters
- Description：IC MCU 32BIT 256KB FLSH 100UFBGA
- Series：SAM L22N
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：32MHz
- Connectivity：I2C, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
- Number of I/O：82
- Program Memory Size：256KB (256K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：32K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.63V
- Data Converters：A/D 20x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-UFBGA (6x6)
- Package / Case：100-UFBGA
- Grade：-
- Qualification：-
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Overview
The ATSAML22N18A-CFUT is a 32-bit ARM Cortex-M0+ microcontroller from the Microchip SAM L22 family. It features 64 kB of Flash memory and 8 kB of SRAM, operating at a maximum clock frequency of 32 MHz. The device supports a supply voltage range of 1.62 V to 3.63 V and includes an integrated USB interface. It offers 50 I/O pins and utilizes a 64-pin QFN package.
Feature Summary
- Integrates a USB 2.0 Full-Speed Device controller for direct connectivity applications.
- Includes a Low-Power Real-Time Clock (RTC) with independent oscillator support for timekeeping during sleep modes.
- Features multiple timer/counters and pulse width modulation channels for precise control tasks.
Applications
- USB-enabled peripheral devices
- Wearable electronics requiring low power consumption
- Industrial control systems with RTC requirements
Procurement Notes
Verify the specific suffix CFUT against official Microchip documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required operating temperature ranges and voltage levels before procurement. Cross-reference the full part number with current datasheets to avoid discrepancies in pinout or memory configuration.
Selection Notes
Select this component when a compact 64-pin form factor with native USB capability is required. It is suitable for designs needing moderate processing power with efficient power management. Consider the 64 kB Flash limit for firmware size and the 8 kB RAM constraint for data buffering needs.
Part Context
This MCU belongs to the SAM L22 series, designed for ultra-low-power applications. It shares architectural similarities with other SAML22 variants but differs in memory capacity and package options. The device targets cost-sensitive markets requiring reliable ARM Cortex-M0+ performance with minimal external components.
Replacement Considerations
Consult Microchip's official cross-reference tools for verified substitutes within the SAM L22 family. Ensure any replacement maintains compatible pinouts and memory sizes if used as a drop-in alternative.
