ATSAM4S2B - Uncategorized Microchip - Free user manual and instructions
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| Product Type | Microcontroller (MCU) |
| Series | SAM4S |
| Core | ARM Cortex-M4 |
| Maximum Speed | 120 MHz |
| Flash Memory | 2 MB |
| SRAM | 256 KB |
| Operating Voltage | 1.62 V to 3.6 V |
| Package | LQFP-64 or LQFP-100 (depending on variant) |
| Dimensions (package) | 10 mm x 10 mm (LQFP-64) |
| Weight | Approx. 0.5 g |
| Operating Temperature | -40°C to +85°C (industrial) |
| Digital I/O Pins | Up to 79 |
| Analog Inputs | Up to 16 (12-bit ADC) |
| Communication Interfaces | USART, SPI, I2C, USB 2.0 Device/Host |
| Timers | 3 16-bit timers, 1 32-bit timer, PWM |
| Power Consumption | 0.5 mA/MHz (active mode typical) |
| Maintenance | No moving parts; keep dry and clean |
| Safety Precautions | ESD sensitive; handle with care |
| Spare Parts / Repairability | Not applicable (integrated circuit) |
| General Information | For detailed specs, refer to the official datasheet |
Frequently Asked Questions - ATSAM4S2B Microchip
What is the ATSAM4S2B?
The ATSAM4S2B is a 32-bit microcontroller from Microchip based on the ARM Cortex-M4 core, featuring 2 MB of Flash memory and 256 KB of SRAM.
What is the maximum operating frequency of the ATSAM4S2B?
The ATSAM4S2B can operate at up to 120 MHz.
What is the supply voltage range?
The recommended operating voltage is 1.62 V to 3.6 V.
Which packages are available for the ATSAM4S2B?
Common packages include LQFP-64 and LQFP-100.
Does the ATSAM4S2B have USB support?
Yes, it has a USB 2.0 interface supporting both device and host modes.
How can I program the ATSAM4S2B?
You can program it using JTAG or SWD interfaces, or via built-in bootloader over USB or serial.
What is the typical power consumption?
Active mode draws about 0.5 mA/MHz, with low-power modes available.
Is the ATSAM4S2B suitable for industrial applications?
Yes, it operates over the industrial temperature range of -40°C to +85°C.
Where can I find the official datasheet?
The official datasheet is available on Microchip's website under the product page for ATSAM4S2B.
What development tools are recommended?
Microchip's MPLAB X IDE and Atmel Studio are commonly used, along with GCC-based toolchains.
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