Atmel AT91SAM7S-EK, User Manual

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Board Description
3-2 AT91SAM7S-EK Evaluation Board User Guide
6112C–ATARM–01-Feb-07
– 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
• One Parallel Input/Output Controller (PIOA)
– Thirty-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
• Eleven Peripheral Data Controller (PDC) Channels
• One USB 2.0 Full Speed (12 Mbits per second) Device Port
– On-chip Transceiver, 328-byte Configurable Integrated FIFOs
• 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
• 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
– Manchester Encoder/Decoder
– Full Modem Line Support on USART1
• One Master/Slave Serial Peripheral Interface (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 PWM 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
• 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
– 1.8V or 3.3V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH
Flash Power Supply
– 1.8V VDDCORE Core Power Supply with Brown-out Detector
– 3.3V VDDANA Analog Voltage Supply
• Fully Static Operation: Up to 55 MHz at 1.65V and 85
°
C Worst Case Conditions
• Available in a 64-lead TQFP Package