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Description

The AM1705 is a low-power ARM microprocessor based on an ARM926EJ-S.

The device is a low-power ARM microprocessor based on an 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. The ARM926EJ-S is a 32-bit RISC processor core that performs 32-bit or 16-bit instructions and processes 32-bit, 16-bit, or 8-bit data. The core uses pipelining so that all parts of the processor and memory system can operate continuously. The ARM core has a coprocessor 15 (CP15), protection module, and data and program memory management units (MMUs) with table look-aside buffers. The ARM core has separate 16KB of instruction and 16-KB data caches. Both memory blocks are four-way associative with virtual index virtual tag (VIVT). The ARM core also has 8KB of RAM (Vector Table) and 64KB of ROM.

Features
• 375- and 456-MHz ARM926EJ-S™ RISC 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