Board Overview

The SAM4S-EK2 board is based on the integration of an ARM® Cortex®-M4 processor with on-board NAND Flash and a set of popular peripherals. It is designed to provide a high performance processor evaluation solution with high flexibility for various kinds of applications.

SAM4S-EK2 Block Diagram

Features List

Here is the list of the main board components and interfaces:

• SAM4SD32 chip LQFP100 package with optional socket footprint 12 MHz crystal
• 32.768 KHz crystal
• Optional SMB connector for external system clock input
• NAND Flash
• 2.8 inch TFT color LCD display with touch panel and backlight
• UART port with level shifter circuit
• USART port with level shifter circuit multiplexed with RS485 port with level shifter circuit
• Microphone input and mono/stereo headphone jack output SD/MMC interface
• Reset button: NRST
• User buttons: Left and Right
• QTouch® buttons: Up, Down, Left, Right, Valid and Slider
• Full Speed USB device port
• JTAG/ICE port
• On-board power regulation
• Two user LEDs
• Power LED
• BNC connector for ADC input
• BNC connector for DAC output
• User potentiometer connected to the ADC input
• ZigBEE connector
• 2x32 bit PIO connection interfaces (PIOA, PIOC) and 1x16 bit PIO connection interface (PIOB)