AT91SAM9G45简述

ARM926EJ-S based High-performance 32-bit RISC Microcontroller with Thumb extensions, 
32KB Data Cache, 
32KB Instruction Cache, 
Write Buffer, 
max clock speed 400 MHz, 
64KB ROM, 
64KB SRAM, 
16-bit Multi-port 4-bank DDR2 Controller, 
32-bit External Bus Interface, EBI
Reset Controller, 
Shutdown Controller, 
Periodic Interval Timer, 
Watchdog Timer, 看门狗定时器
Real-Time Timer, 
Real Time Clock, 实时时钟
8-channel DMA Controller, 
Advanced Interrupt Controller, AIC
Debug Unit, 
Clock Generator, 
Power Management Controller, 
LCD Controller, LCDC
ITU-R BT.601/656 Image Sensor Interface, ISI
USB 2.0 High Speed Host Controller, UHPHS
USB 2.0 High Speed Device Controller, UDPHS
10/100 Mbps Ethernet MAC Controller, EMAC
Two HSMC Hosts, MCI
AC97 Controller, AC97
Two Serial Peripheral Interfaces, SPI
Two 3-channel 16-bit Timer/Counter, TC
Two Synchronous Serial Controllers, SSC
4-channel 16-bit PWM Controller, PWMC
Two Two-wire Interface, TWI
Four USARTs, US
8-channel 10-bit Touch-screen TSADCC
AD Converter, 
Five 32-bit PIO Controllers, PIO
up to 160 GPIO pins