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ALU C Arithmetic Logic Unit
The high-performance AVR ALU operates in direct connection with all the 32 general-purpose working registers. Within a single clock cycle, ALU operations between registers in the register file are executed. The ALU operations are divided into three main categories: arithmetic, logical and bit functions.
Programmable Flash Program Memory
The AT90C8534 contains 8K bytes of on-chip programmable Flash memory for program storage. Since all instructions are 16- or 32-bit words, the Flash is organized as 4K x 16. The Flash memory has an endurance of at least 1000 write/erase cycles. The AT90C8534 program counter (PC) is 12 bits wide, thus addressing the 4096 program memory addresses.
Constant tables must be allocated within the address 0 - 4K (see the LPM ?C Load Program Memory instruction description).See page 9 for the different program memory addressing modes.
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