ATSAME51G18A - Electronic component Microchip - Free user manual and instructions
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| Product Type | 32-bit Microcontroller |
| Core | ARM Cortex-M4F with FPU |
| Max Operating Frequency | 120 MHz |
| Flash Memory | 1 MB |
| SRAM | 256 KB |
| Supply Voltage | 1.71 V to 3.63 V |
| Package | TQFP-64 |
| Dimensions | 7 mm x 7 mm |
| Weight | Approx. 0.2 g |
| Operating Temperature | -40°C to +85°C |
| I/O Pins | 51 |
| ADC Channels | 24 (12-bit) |
| DAC | 2 (12-bit) |
| Communication Interfaces | UART, SPI, I2C, CAN, USB |
| Timers | Multiple 16/32-bit |
| Maintenance | No special maintenance required |
| Safety Precautions | ESD sensitive; handle with care |
| Spare Parts / Repairability | Component is not repairable; replacement recommended |
| General Information | Datasheet and application notes available from Microchip |
Frequently Asked Questions - ATSAME51G18A Microchip
How to program the ATSAME51G18A?
Use a programmer/debugger like Atmel-ICE or J-Link with Microchip Studio or Arduino IDE.
What is the maximum operating voltage?
The supply voltage range is 1.71V to 3.63V. Exceeding 3.63V may damage the device.
Can it run at 120 MHz?
Yes, the ATSAME51G18A can operate at up to 120 MHz with appropriate settings.
Does it have a floating-point unit?
Yes, it includes a single-precision FPU (ARM Cortex-M4F).
What development tools are supported?
It is supported by Microchip Studio, MPLAB X, IAR Embedded Workbench, and Keil MDK.
How much current does it consume?
Typical active power consumption is around 100 µA/MHz; actual value depends on peripherals and mode.
What is the package type?
It comes in a TQFP-64 package (7x7 mm).
Is it compatible with Arduino?
Yes, it is supported by Arduino IDE via ArduinoCore-samd and boards like the Arduino Zero variant.
What is the operating temperature range?
The temperature range is -40°C to +85°C.
How to reduce power consumption?
Use sleep modes (Idle, Standby, Backup) and disable unused peripherals.
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