AT91SAM9G45数据手册

Features • 400 MHz ARM926EJ-S™ ARM® Thumb® Processor – 32 KBytes Data Cache, 32 KBytes Instruction Cache, MMU • Memories – Dual External Bus Interface supporting 4-bank DDR2/LPDDR, SDRAM/LPSDR, Static Memories, CompactFlash, SLC NAND Flash with ECC – One 64-kbyte internal SRAM, single-cycle access at system speed or processor speed through TCM interface – One 64-kbyte internal ROM, embedding bootstrap routine • Peripherals – LCD Controller supporting STN and TFT displays up to 1280*860 – ITU-R BT. 601/656 Image Sensor Interface – USB Device High Speed, USB Host High Speed and USB Host Full Speed with On- Chip Transceiver – 10/100 Mbps Ethernet MAC Controller – Two High Speed Memory Card Hosts (SDIO, SDCard, MMC) – AC'97 controller – Two Master/Slave Serial Peripheral Interfaces – Two Three-channel 32-bit Timer/Counters – Two Synchronous Serial Controllers (I2S mode) – Four-channel 16-bit PWM Controller – Two Two-wire Interfaces – Four USARTs with ISO7816, IrDA, Manchester and SPI modes – 8-channel 10-bit ADC with 4-wire Touch Screen support • System – 133 MHz twelve 32-bit layer AHB Bus Matrix – 37 DMA Channels – Boot from NAND Flash, SDCard, DataFlash® or serial DataFlash – Reset Controller with on-chip Power-on Reset – Selectable 32768 Hz Low-power and 12 MHz Crystal Oscillators – Internal Low-power 32 kHz RC Oscillator – One PLL for the system and one 480 MHz PLL optimized for USB High Speed – Two Programmable External Clock Signals – Advanced Interrupt Controller and Debug Unit – Periodic Interval Timer, Watchdog Timer, Real Time Timer and Real Time Clock • I/O – Five 32-bit Parallel Input/Output Controllers – 160 Programmable I/O Lines Multiplexed with up to Two Peripheral I/Os with Schmitt trigger input • Package – 324-ball LFBGA, pitch 0.8 mm