Atmel AT91SAM7X-EK, User Manual

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Board Description
3-2 AT91SAM7X-EK Evaluation Board User Guide
6195E–ATARM–22-Mar-07
– Power Optimization Capabilities, Including Slow Clock Mode (Down to 500 Hz)
and Idle Mode
– Four Programmable External Clock Signals
!
Advanced Interrupt Controller (AIC)
– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
– Two External Interrupt Sources and One Fast Interrupt Source, Spurious
Interrupt Protected
!
Debug Unit (DBGU)
– 2-wire UART and Support for Debug Communication Channel interrupt,
Programmable ICE Access Prevention
!
Periodic Interval Timer (PIT)
– 20-bit Programmable Counter plus 12-bit Interval Counter
!
Windowed Watchdog (WDT)
– 12-bit key-protected Programmable Counter
– Provides Reset or Interrupt Signals to the System
– Counter May Be Stopped While the Processor is in Debug State or in Idle
Mode
!
Real-time Timer (RTT)
– 32-bit Free-running Counter with Alarm
– Runs Off the Internal RC Oscillator
!
Two Parallel Input/Output Controllers (PIO)
– Sixty-two Programmable I/O Lines Multiplexed with up to Two Peripheral I/Os
– Input Change Interrupt Capability on Each I/O Line
– Individually Programmable Open-drain, Pull-up Resistor and Synchronous
Output
!
Thirteen Peripheral DMA Controller (PDC) Channels
!
One USB 2.0 Full Speed (12 Mbits per second) Device Port
– On-chip Transceiver, 1352-byte Configurable Integrated FIFOs
!
One Ethernet MAC 10/100 base-T
– Media Independent Interface (MII) or Reduced Media Independent Interface
(RMII)
– Integrated 28-byte FIFOs and Dedicated DMA Channels for Transmit and
Receive
!
One Part 2.0A and Part 2.0B Compliant CAN Controller
– Eight Fully-programmable Message Object Mailboxes, 16-bit Time Stamp
Counter
!
One Synchronous Serial Controller (SSC)
– Independent Clock and Frame Sync Signals for Each Receiver and
Transmitter
– I²S Analog Interface Support, Time Division Multiplex Support
– High-speed Continuous Data Stream Capabilities with 32-bit Data Transfer