User manual

Board Description
AT91SAM7X-EK Evaluation Board User Guide 3-3
6195E–ATARM–22-Mar-07
! Two Universal Synchronous/Asynchronous Receiver Transmitters (USART)
– Individual Baud Rate Generator, IrDA
®
Infrared Modulation/Demodulation
– Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485
Support
– Full Modem Line Support on USART1
! Two Master/Slave Serial Peripheral Interfaces (SPI)
– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects
! One Three-channel 16-bit Timer/Counter (TC)
– Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel
– Double PWM Generation, Capture/Waveform Mode, Up/Down Capability
! One Four-channel 16-bit Power Width Modulation Controller (PWMC)
! One Two-wire Interface (TWI)
– Master Mode Support Only, All Two-wire Atmel EEPROMs Supported
! One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with
Digital I/Os
! SAM-BA
™
Boot Assistance
– Default Boot program
– Interface with SAM-BA Graphic User Interface
! IEEE
®
1149.1 JTAG Boundary Scan on All Digital Pins
! 5V-tolerant I/Os, Including Four High-current Drive I/O lines, Up to 16 mA Each
! Power Supplies
– Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External
Components
– 3.3V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash
Power Supply
– 1.8V VDDCORE Core Power Supply with Brownout Detector
! Fully Static Operation: Up to 55 MHz at 1.65V and 85°C Worst Case Conditions
! Available in a 100-lead LQFP Green Package