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ADSP-2162BP-40 Datasheet(PDF) 11 Page - Analog Devices

Part # ADSP-2162BP-40
Description  DSP Microcomputers with ROM
Download  39 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADSP-2162BP-40 Datasheet(HTML) 11 Page - Analog Devices

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ADSP-216x
–11–
Instruction Set
The ADSP-216x assembly language uses an algebraic syntax for
ease of coding and readability. The sources and destinations of
computations and data movements are written explicitly in each
assembly statement, eliminating cryptic assembler mnemonics.
Every instruction assembles into a single 24-bit word and executes
in a single cycle. The instructions encompass a wide variety of
instruction types along with a high degree of operational
parallelism. There are five basic categories of instructions: data
move instructions, computational instructions, multifunction
instructions, program flow control instructions and miscella-
neous instructions. Multifunction instructions perform one or
two data moves and a computation.
The instruction set is summarized below. The ADSP-2100
Family Users Manual contains a complete reference to the
instruction set.
ALU Instructions
[IF cond]
AR|AF
=
xop + yop [+ C] ;
Add/Add with Carry
=
xop – yop [+ C– 1] ;
Subtract X – Y/Subtract X – Y with Borrow
=
yop – xop [+ C– 1] ;
Subtract Y – X/Subtract Y – X with Borrow
=
xop AND yop ;
AND
=
xop OR yop ;
OR
=
xop XOR yop ;
XOR
=
PASS xop ;
Pass, Clear
=
– xop ;
Negate
=
NOT xop ;
NOT
=
ABS xop ;
Absolute Value
=
yop + 1 ;
Increment
=
yop – 1 ;
Decrement
=
DIVS yop, xop ;
Divide
=
DIVQ xop ;
MAC Instructions
[IF cond]
MR|MF =
xop * yop ;
Multiply
=
MR + xop * yop ;
Multiply/Accumulate
=
MR – xop * yop ;
Multiply/Subtract
=
MR ;
Transfer MR
=0 ;
Clear
IF MV
SAT MR ;
Conditional MR Saturation
Shifter Instructions
[IF cond]
SR = [SR OR] ASHIFT xop ;
Arithmetic Shift
[IF cond]
SR = [SR OR] LSHIFT xop ;
Logical Shift
SR = [SR OR] ASHIFT xop BY <exp>;
Arithmetic Shift Immediate
SR = [SR OR] LSHIFT xop BY <exp>;
Logical Shift Immediate
[IF cond]
SE = EXP xop ;
Derive Exponent
[IF cond]
SB = EXPADJ xop ;
Block Exponent Adjust
[IF cond]
SR = [SR OR] NORM xop ;
Normalize
Data Move Instructions
reg = reg ;
Register-to-Register Move
reg = <data> ;
Load Register Immediate
reg = DM (<addr>) ;
Data Memory Read (Direct Address)
dreg = DM (Ix , My) ;
Data Memory Read (Indirect Address)
dreg = PM (Ix , My) ;
Program Memory Read (Indirect Address)
DM (<addr>) = reg ;
Data Memory Write (Direct Address)
DM (Ix , My) = dreg ;
Data Memory Write (Indirect Address)
PM (Ix , My) = dreg ;
Program Memory Write (Indirect Address)
Multifunction Instructions
<ALU>|<MAC>|<SHIFT> , dreg = dreg ;
Computation with Register-to-Register Move
<ALU>|<MAC>|<SHIFT> , dreg = DM (Ix , My) ;
Computation with Memory Read
<ALU>|<MAC>|<SHIFT> , dreg = PM (Ix , My) ;
Computation with Memory Read
DM (Ix , My) = dreg , <ALU>|<MAC>|<SHIFT> ;
Computation with Memory Write
PM (Ix , My) = dreg , <ALU>|<MAC>|<SHIFT> ;
Computation with Memory Write
dreg = DM (Ix , My) , dreg = PM (Ix , My) ;
Data & Program Memory Read
<ALU>|<MAC> , dreg = DM (Ix , My) , dreg = PM (Ix , My) ;
ALU/MAC with Data & Program Memory Read


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