Atmel SAM3U-EK, Руководство пользователя

Страница: 11 / 52

Evaluation Kit Hardware
4-2 SAM3U-EK Development Board User Guide
6478B–ATARM–05-Oct-09
4.2 Features List
Here is the list of the main board components and interfaces:
„ SAM3U4E QFP chip with optional socket footprint
„ 12 MHz crystal
„ 32.768 KHz crystal
„ Optional SMB connector, for external system clock input
„ PSRAM
„ NAND-Flash
„ Backup Battery
„ 2.8 inch TFT color LCD display with touch-panel and backlight
„ UART port with level shifter IC
„ USART port with level shifter IC
„ Audio codec with input and output jacks: stereo headphone out, stereo line in, mono microphone in
„ SD/MMC interface
„ 3-D accelerometer sensor
„ Temperature sensor
„ Reset and Wake-Up buttons: NRST, NRSTB, FWUP
„ User buttons: Left and Right
„ High Speed USB device port
„ JTAG port
„ On-board power regulation with shutdown control (by the SAM3 chip)
„ Two user LEDs
„ Power LED
„ BNC connectors for ADC input
„ User potentiometer connected to the ADC input
„ ZigBee
®
connector
„ 3x32 bit PIO connection interfaces (PIOA, PIOB, PIOC)
4.3 Function Blocks
4.3.1 Processor
The SAM3U-EK is equipped with a SAM3U4E in LQFP144 package.
4.3.2 Memory
The SAM3U4E 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 IAP (In-Application
Programming functions) routines.