User manual

Board Description
3-2 AT91SAM9260-EK Evaluation Board User Guide
6234C–ATARM–22-Mar-07
Control
• Clock Generator (CKGR)
– Selectable 32768Hz Low-power Oscillator or Internal Low Power RC Oscillator on
Battery Backup Power Supply, Providing a Permanent Slow Clock
– 3 to 20 MHz On-chip Oscillator, One up to 240 MHz PLL and One up to 130 MHz
PLL
• Power Management Controller (PMC)
– Very Slow Clock Operating Mode, Software Programmable Power Optimization
Capabilities
– Two Programmable External Clock Signals
• Advanced Interrupt Controller (AIC)
– Individually Maskable, Eight-level Priority, Vectored Interrupt Sources
– Three External Interrupt Sources and One Fast Interrupt Source, Spurious
Interrupt Protected
• Debug Unit (DBGU)
– 2-wire UART and Support for Debug Communication Channel, Programmable
ICE Access Prevention
• Periodic Interval Timer (PIT)
– 20-bit Interval Timer plus 12-bit Interval Counter
• Watchdog Timer (WDT)
– Key-protected, Programmable Only Once, Windowed 16-bit Counter Running at
Slow Clock
• Real-time Timer (RTT)
– 32-bit Free-running Backup Counter Running at Slow Clock with 16-bit Prescaler
• One 4-channel 10-bit Analog-to-Digital Converter
• Three 32-bit Parallel Input/Output Controllers (PIOA, PIOB, PIOC)
– 96 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
– High-current Drive I/O Lines, Up to 16 mA Each
• Peripheral DMA Controller Channels (PDC)
• One Two-slot MultiMedia Card Interface (MCI)
– SDCard/SDIO and MultiMediaCard
™
Compliant
– Automatic Protocol Control and Fast Automatic Data Transfers with PDC
• 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
• Four Universal Synchronous/Asynchronous Receiver Transmitters (USART)
– Individual Baud Rate Generator, IrDA
®
Infrared Modulation/Demodulation,
Manchester Encoding/Decoding
– Support for ISO7816 T0/T1 Smart Card, Hardware Handshaking, RS485 Support
– Full Modem Signal Control on USART0
• Two 2-wire UARTs
• Two Master/Slave Serial Peripheral Interfaces (SPI)
– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects
– Synchronous Communications
• Two Three-channel 16-bit Timer/Counters (TC)
– Three External Clock Inputs, Two Multi-purpose I/O Pins per Channel
– Double PWM Generation, Capture/Waveform Mode, Up/Down Capability