AT91SAM9263 datasheet(2/51 Pages) ATMEL

2 / 51 page

6249HS–ATARM–27-Jul-09

AT91SAM9263 Preliminary

• Reset Controller (RSTC)

– Based on Two Power-on Reset Cells, Reset Source Identification and Reset Output Control

• Shutdown Controller (SHDWC)

– Programmable Shutdown Pin Control and Wake-up Circuitry

• Clock Generator (CKGR)

– 32768Hz Low-power Oscillator on Battery Backup Power Supply, Providing a Permanent Slow Clock

– 3 to 20 MHz On-chip Oscillator and Two Up to 240 MHz PLLs

• Power Management Controller (PMC)

– Very Slow Clock Operating Mode, Software Programmable Power Optimization Capabilities

– 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, Programmable ICE Access Prevention

– Mode for General Purpose Two-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

• Two Real-time Timers (RTT)

– 32-bit Free-running Backup Counter Running at Slow Clock with 16-bit Prescaler

• Five 32-bit Parallel Input/Output Controllers (PIOA, PIOB, PIOC, PIOD and PIOE)

– 160 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

• One Part 2.0A and Part 2.0B-compliant CAN Controller

– 16 Fully-programmable Message Object Mailboxes, 16-bit Time Stamp Counter

• Two Multimedia Card Interface (MCI)

– SDCard/SDIO and MultiMediaCard™ Compliant

– Automatic Protocol Control and Fast Automatic Data Transfers with PDC

– Two SDCard Slots Support on eAch Controller

• 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

• Three 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

• Two Master/Slave Serial Peripheral Interface (SPI)

– 8- to 16-bit Programmable Data Length, Four External Peripheral Chip Selects

• One 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

• One Four-channel 16-bit PWM Controller (PWMC)

• One Two-wire Interface (TWI)

– Master Mode Support, All Two-wire Atmel® EEPROMs Supported

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