File list (Check if you may need any files):
ATSAM3U_Datasheet_CN
....................\00_Features.pdf
....................\01_SAM3U Description.pdf
....................\02_SAM3U Block Diagram.pdf
....................\03_Signal Description.pdf
....................\04_Package and Pinout.pdf
....................\05_Power Considerations.pdf
....................\06_IO Line Considerations.pdf
....................\07_Processor and Architecture.pdf
....................\08_Memories.pdf
....................\09_System Controller.pdf
....................\10_Peripherals.pdf
....................\11_Embedded Peripherals Overview.pdf
....................\14_Reset Controller (RSTC).pdf
....................\15_Real time Timer (RTT).pdf
....................\15_Real time Timer (RTT)1.pdf
....................\16_Real time Clock (RTC).pdf
....................\17_Watchdog Timer (WDT).pdf
....................\18_Supply Controller (SUPC).pdf
....................\19_General Purpose Backup Registers (GPBR).pdf
....................\20_Enhanced Embedded Flash Controller (EEFC).pdf
....................\21_Fast Flash Programming Interface (FFPI).pdf
....................\22_SAM3U421 Boot Program.pdf
....................\23_AT91SAM3U Bus Matrix (MATRIX).pdf
....................\24_Static Memory Controller (SMC).pdf
....................\25_Peripheral DMA Controller (PDC).pdf
....................\26_Clock Generator.pdf
....................\27_Power Management Controller (PMC).pdf
....................\28_Chip Identifier (CHIPID).pdf
....................\29_Parallel InputOutput Controller (PIO).pdf
....................\30_Synchronous Serial Controller (SSC).pdf
....................\31_Serial Peripheral Interface (SPI).pdf
....................\32_Two-wire Interface (TWI).pdf
....................\33_Universal Asynchronous Receiver Transmitter (UART).pdf
....................\34_Universal Synchronous Asynchronous Receiver Transeiver (USART).pdf
....................\35_Timer Counter (TC).pdf
....................\36_HighSpeed MultiMedia Card Interface (HSMCI).pdf
....................\37_Pulse Width Modulation Controller (PWM).pdf
....................\38_USB High Speed Device Port (UDPHS).pdf
....................\39_DMA Controller (DMAC).pdf
....................\40_12-bit Analog-to-Digital Converter (ADC12B).pdf
....................\41_Analog-to-Digital Converter (ADC).pdf
....................\SAM3U中文手册.pdf