NS32FX164AV-25 National Semiconductor, NS32FX164AV-25 Datasheet - Page 48

• Manufacturer Part Number: NS32FX164AV-25
• Description: IC IMAGING COMM SGNL PROC PLCC68
• Manufacturer: National Semiconductor

Specifications of NS32FX164AV-25

• Processor Type: Advanced Imaging/Communications Signal Processor SIAP™
• Speed: 50MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Other names: *NS32FX164AV-25; Q1284286

3 0 Functional Description
Syntax
EXEC DJNZ
Note Accumulator is not affected
DBPT Debug Breakpoint
The DBPT instruction is used for implementing software de-
bug breakpoint in the DSPM command-list Whenever there
is an attempt to execute a DBPT instruction the NMIS-
TAT UND bit is set to ‘‘1’’
Syntax
EXEC DBPT
Note Accumulator is not affected
3 4 5 8 Internal Memory Move Instructions
VRMOV Vector Real Move
The VRMOV instruction copies the real X vector to the real
Z vector
Syntax
EXEC VRMOV
Operation
VARMOV Vector Aligned Real Move
The VARMOV instruction copies the aligned real X vector to
the aligned real Z vector
Syntax
EXEC VARMOV
Operation
VRGATH Vector Real Gather
The VRGATH instruction gathers non-contiguous elements
of the X real vector as specified by the Y integer vector and
places them in contiguous locations in the Z real vector
15
15
15
15
real X
for (n
aligned real X
for (n
Z n
Z n
Z n
10000
10000
10000
10000
low
high
Z
0
X n
0
n
n
X n
k
k
X n
Z
LENG
LENG
11 10
11 10
11 10
11 10
low
high
n
n
)
)
101 0110 1100
111 1111 1110
101 0010 1011
100 0011 1000
(Continued)
0
0
0
0
48
Syntax
EXEC VRGATH
Operation
VRSCAT Vector Real Scatter
The VRSCAT instruction scatters contiguous elements of
the X real vector and places them in non-contiguous loca-
tions in the Z real vector as specified by the Y integer vec-
tor
Syntax
EXEC VRSCAT
Operation
3 4 5 9 External Memory Move Instructions
VXLOAD Vector External Load
The VXLOAD instruction loads a vector from external mem-
ory into the Z vector The external memory address is speci-
fied in the EABR and X registers
Syntax
EXEC VXLOAD
Operation
VXLOAD
2
VXSTORE Vector External Store
The VXSTORE instruction stores the Z vector into an exter-
nal memory vector The external memory address is speci-
fied in the EABR and X registers
15
15
15
real X
integer X ADDR
for (n
real X
integer Z ADDR
for (n 0
real X
ext address EABR
for (n 0
X n
Z n
mem Z ADDR Y n )
Z n
10000
10000
10000
Z
Z
Z
0
mem (X ADDR Y n )
ext mem EABR
n
n
k
n
k
LENG
k
LENG
Y
Y
LENG
11 10
11 10
11 10
n
n
0xFFFF
)
n
)
(ext address)
)
100 0011 1010
100 0100 0000
100 0100 1111
0xFFFF
X n
0
0
0