描述 Description

The AT91SAM9260 is based on the integration of an ARM926EJ-S processor with fast ROM and RAM memories and a wide range of peripherals. The AT91SAM9260 embeds an Ethernet MAC, one USB Device Port, and a USB Host control ler. It also integrates several standard peripherals, such as the USART, SPI, TWI, Timer Counters, Synchronous Serial Controller, ADC and MultiMedia Card Interface.

特性 Features

? 180 MHz ARM926EJ-S? ARM? Thumb? Processor

– 8 KBytes Data Cache, 8 KBytes Instruction Cache, MMU

? Memories

– 32-bit External Bus Interface supporting 4-bank SDRAM/LPSDR, Static Memorie CompactFlash, SLC NAND Flash with ECC

– Two 4-kbyte internal SRAM, single-cycle access at system speed

– One 32-kbyte internal ROM, embedding bootstrap routine

? Peripherals

– ITU-R BT. 601/656 Image Sensor Interface

– USB Device and USB Host with dedicated On-Chip Transceiver

– 10/100 Mbps Ethernet MAC Controller

– One High Speed Memory Card Host

– Two Master/Slave Serial Peripheral Interfaces

– Two Three-channel 32-bit Timer/Counters

– One Synchronous Serial Controller

– One Two-wire Interface

– Four USARTs

– Two UARTs

– 4-channel 10-bit ADC

? System

– 90 MHz six 32-bit layer AHB Bus Matrix

– 22 Peripheral DMA Channels

– Boot from NAND Flash, SDCard, DataFlash? or serial DataFlash

– Reset Controller with On-Chip Power-on Reset

– Selectable 32,768 Hz Low-Power and 3-20 MHz Main Oscillator

– Internal Low-Power 32 kHz RC Oscillator

– One PLL for the system and one PLL optimized for USB

– Two Programmable External Clock Signals

– Advanced Interrupt Controller and Debug Unit

– Periodic Interval Timer, Watchdog Timer and Real Time Timer

? I/O

– Three 32-bit Parallel Input/Output Controllers

– 96 Programmable I/O Lines Multiplexed with up to Two Peripheral I/Os

? Package

– 217-ball BGA, 0.8 mm pitch

– 208-pin QFP, 0.5 mm pitch