Atmel SAM3S-EK, Руководство пользователя

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Evaluation Kit Hardware
4-2 SAM3S-EK Development Board User Guide
11031A–ATARM–14-Dec-09
4.2 Features List
Here is the list of the main board components and interfaces:
„ SAM3S4C 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)
4.3 Function Blocks
4.3.1 Processor
The SAM3S-EK is equipped with a SAM3S4C device in LQFP100 package.
4.3.2 Memory
The SAM3S4 chip embeds:
„ 256 Kbytes of embedded Flash
„ 48 Kbytes of embedded SRAM with dual bank
„ 16 Kbytes of ROM with embedded BootLoader routines (UART, USB) and In-Application Programming
functions (IAP) routines.
The SAM3S features an External Bus Interface (EBI) that permits interfacing to a broad range of external
memories and virtually to any parallel peripheral. The SAM3S-EK board is equipped with a memory
device connected to the SAM3 EBI: