AM1808EZWT3
微处理器 - MPU Sitara Processor
Description
The AM1808 ARM Microprocessor is a low-power applications processor based on ARM926EJ-S.
The device enables original-equipment manufacturers OEMs and original-design manufacturers ODMs
to quickly bring to market devices featuring robust operating systems support, rich user interfaces, and
high processing performance life through the maximum flexibility of a fully integrated mixed processor
solution.
AM1808 ARM Microprocessor
Features
• 375- and 456-MHz ARM926EJ-S™ RISC MPU
• ARM926EJ-S Core
– 32-Bit and 16-Bit Thumb® Instructions
– Single-Cycle MAC
– ARM Jazelle® Technology
– Embedded ICE-RT™ for Real-Time Debug
• ARM9™ Memory Architecture
– 16KB of Instruction Cache
– 16KB of Data Cache
– 8KB of RAM Vector Table
– 64KB of ROM
• Enhanced Direct Memory Access Controller 3 EDMA3:
– 2 Channel Controllers
– 3 Transfer Controllers
– 64 Independent DMA Channels
– 16 Quick DMA Channels
– Programmable Transfer Burst Size
• 128KB of On-Chip Memory
• 1.8-V or 3.3-V LVCMOS I/Os Except for USB and DDR2 Interfaces
• Two External Memory Interfaces:
– EMIFA
• NOR 8- or 16-Bit-Wide Data
• NAND 8- or 16-Bit-Wide Data
• 16-Bit SDRAM with 128-MB Address Space
– DDR2/Mobile DDR Memory Controller with one of the following:
• 16-Bit DDR2 SDRAM with 256-MB Address Space
• 16-Bit mDDR SDRAM with 256-MB Address Space
• Three Configurable 16550-Type UART Modules:
– With Modem Control Signals
– 16-Byte FIFO
– 16x or 13x Oversampling Option
• LCD Controller
• Two Serial Peripheral Interfaces SPIs Each with Multiple Chip Selects
• Two Multimedia Card MMC/Secure Digital SD
Card Interfaces with Secure Data I/O SDIO Interfaces
• Two Master and Slave Inter-Integrated Circuits I2C Bus™
• One Host-Port Interface HPI with 16-Bit-Wide
Muxed Address and Data Bus For High Bandwidth1
Applications
• Gaming
• Data Concentrators
• Medical, Healthcare, Fitness
• Building Automation
• Printers
• Set Top Box
• ePOS
• Industrial Automation
