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D950-CORE Datasheet(PDF) 42 Page - STMicroelectronics

Part # D950-CORE
Description  16-Bit Fixed Point Digital Signal Processor DSP Core
PDF  89 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

D950-CORE Datasheet(HTML) 42 Page - STMicroelectronics

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D950-Core
5.4
Instruction set
The D950-Core instruction set is divided into different groups, according to operation type.
•
Assignment
•ALU
•
Bit Manipulation
•
Program control
•
Loop control
•
Co-processor
•
Stack.
Inside this instruction set, following notations are used:
•
reg: D950-Core internal register
•
AX (resp. AY): address pointer for X (resp. Y) memory space
•
IX (resp. IY): index pointer for X (resp. Y) memory space
•
L: input left register of DCU (L1 16-MSBs / L0 16-LSBs)
•
R: input right register of DCU (R1 16-MSBs / R0 16 LSBs)
•
A: 40-bit accumulator (A0 or A1)
•
AiH: 16-MSB of the Ai accumulator
•
P: Product result of the multiplier
•
i,j,k,m,n,p,q,x,y: 0 or 1
•
r,: 0,1,2 or 3
•
xx: 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14 or 15
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