ATSAML21E18B-ANT
IC MCU 32BIT 256KB FLASH 32TQFP
Embedded Microcontrollers
32-TQFP
SAM L21E, Functional Safety (FuSa)
Active
$6.33 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Microchip Technology |
| Model | ATSAML21E18B-ANT |
| Package / Case | 32-TQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Core Processor | ARM® Cortex®-M0+ |
| Speed | 48MHz |
| Program Memory Size | 256KB (256K x 8) |
| RAM Size | 32K x 8 |
| Number of I/O | 25 |
| Data Converters | A/D 10x12b; D/A 2x12b |
| Voltage - Supply | 1.62V ~ 3.63V |
| Connectivity | I²C, LINbus, SCI, SPI, UART/USART, USB |
| Peripherals | DMA, POR, PWM, WDT |
| Supplier Device Package | 32-TQFP (7x7) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
ATSAML21E18B-ANT by Microchip Technology is a ARM® Cortex®-M0+ microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 32-TQFP package fits automated SMT assembly. Operating temperature is -40°C ~ 105°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 48MHz |
| RAM Size | 32K x 8 |
| Core Size | 32-Bit |
| Peripherals | DMA, POR, PWM, WDT |
| Connectivity | I²C, LINbus, SCI, SPI, UART/USART, USB |
| Number of I/O | 25 |
| Core Processor | ARM® Cortex®-M0+ |
| Data Converters | A/D 10x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.63V |
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