AT91SAM9R64(2008) Просмотр технического описания (PDF) - Atmel Corporation

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AT91SAM9R64
(Rev.:2008)

AT91 ARM Thumb Microcontrollers

Atmel Corporation 

– One PLL up to 240 MHz

– 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

• 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™ 3.1 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

2 AT91SAM9R64/RL64 Preliminary

6289A–ATARM–15-Jan-08

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