Datasheet

2
6289CS–ATARM–28-May-09
AT91SAM9R64/RL64
– One PLL 480 MHz Optimized for USB HS
• 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
– One 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
– Mode for General Purpose 2-wire UART Serial Communication
• 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
• Real-time Clock (RTC)
– Time, Date and Alarm 32-bit Parallel Load
– Low Power Consumption
– Programmable Periodic Interrupt
• One 6-channel 10-Bit Analog-to-Digital Converter
– Touch Screen Interface Compatible with Industry Standard 4-wire Sensitive Touch Panels
• Four 32-bit Parallel Input/Output Controllers (PIOA, PIOB, PIOC and PIOD)
– 118 Programmable I/O Lines Multiplexed with up to Two Peripheral I/Os for 217-ball BGA Package
– Input Change Interrupt Capability on Each I/O Line
– Individually Programmable Open-drain, Pull-up Resistor and Synchronous Output
• 22-channel Peripheral DMA Controller (PDC)
• One MultiMedia Card Interface (MCI)
– SDCard/SDIO 1.0 and MultiMediaCard
™
4.3 Compliant
– Automatic Protocol Control and Fast Automatic Data Transfers with PDC
• Two Synchronous Serial Controllers (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
• One AC97 Controller (AC97C)
– 6-channel Single AC97 Analog Front End Interface, Slot Assigner
• 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
• One Master/Slave Serial Peripheral Interface (SPI)
– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects
– High-speed Synchronous Communications
• 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)
• Two Two-wire Interfaces (TWI)
– Compatible with Standard Two-wire Serial Memories
– One, Two or Three Bytes for Slave Address
– Sequential Read/Write Operations