●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
