ATSAMG51G18A-UUT
IC MCU 32BIT 256KB FLASH 49WLCSP

Embedded Microcontrollers
49-UFBGA, WLCSP
SAM G51
Active
$3.14 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Microchip Technology |
| Model | ATSAMG51G18A-UUT |
| Package / Case | 49-UFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | ARM® Cortex®-M4 |
| Speed | 48MHz |
| Program Memory Size | 256KB (256K x 8) |
| RAM Size | 64K x 8 |
| Number of I/O | 38 |
| Data Converters | A/D 8x12b |
| Voltage - Supply | 1.62V ~ 2V |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | DMA, POR, PWM, WDT |
| Supplier Device Package | 49-WLCSP (2.84x2.84) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
ATSAMG51G18A-UUT by Microchip Technology is a ARM® Cortex®-M4 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 49-UFBGA, WLCSP package fits automated SMT assembly. Operating temperature is -40°C ~ 85°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 | 64K x 8 |
| Core Size | 32-Bit |
| Peripherals | DMA, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of I/O | 38 |
| Core Processor | ARM® Cortex®-M4 |
| Data Converters | A/D 8x12b |
| Oscillator Type | Internal |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 2V |
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