Analog Devices ADSP-21261 SHARC Hardware Reference Manual page 5

Setting Computational Modes ..................................................... 2-12
32-Bit Floating-Point Format (Normal Word) ........................ 2-12
40-Bit Floating-Point Format ................................................. 2-14
16-Bit Floating-Point Format (Short Word) ........................... 2-14
32-Bit Fixed-Point Format ..................................................... 2-15
Rounding Mode .................................................................... 2-15
Using Computational Status ........................................................ 2-16
Arithmetic Logic Unit (ALU) ...................................................... 2-17
ALU Operation ..................................................................... 2-17
ALU Saturation ..................................................................... 2-18
ALU Status Flags ................................................................... 2-19
ALU Instruction Summary .................................................... 2-20
Multiply Accumulator (Multiplier) .............................................. 2-23
Multiplier Operation ............................................................. 2-23
Multiplier Result Register (Fixed-Point) ................................. 2-24
Multiplier Status Flags ........................................................... 2-27
Multiplier Instruction Summary ............................................ 2-28
Barrel Shifter (Shifter) ................................................................. 2-30
Shifter Operation .................................................................. 2-31
Shifter Status Flags ................................................................ 2-35
Shifter Instruction Summary .................................................. 2-36
Data Register File ........................................................................ 2-38
Alternate (Secondary) Data Registers ........................................... 2-40
Multifunction Computations ...................................................... 2-41
ADSP-2126x SHARC Processor Hardware Reference
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