PNX1302EH NXP Semiconductors, PNX1302EH Datasheet - Page 321

• Manufacturer Part Number: PNX1302EH
• Manufacturer: NXP Semiconductors

Specifications of PNX1302EH

• Lead Free Status / RoHS Status: Not Compliant

PNX1300/01/02/11 Data Book
dspiabs
SYNTAX
FUNCTION
DESCRIPTION
first argument zero and second argument equal to the
in assembly source files.)
[0x7fffffff..0]), and stores the clipped value into rdest. All values are signed integers.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
A-23
r30 = 0xffffffff
r10 = 0, r40 = 0x80000001
r20 = 1, r40 = 0x80000001
r50 = 0x80000000
r90 = 0x7fffffff
The
The
The
[ IF rguard ] dspiabs rsrc1 → rdest
if rguard then {
}
if rsrc1 >= 0 then
else if rsrc1 = 0x80000000 then
else
dspiabs
dspiabs
rdest ← rsrc1
rdest ← 0x7fffffff
rdest ← –rsrc1
dspiabs
Initial Values
operation is a pseudo operation transformed by the scheduler into an h_
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
operation computes the absolute value of rsrc1, clips the result into the range [2
PRELIMINARY SPECIFICATION
dspiabs r30 → r60
IF r10 dspiabs r40 → r70
IF r20 dspiabs r40 → r100
dspiabs r50 → r80
dspiabs r90 → r110
dspiabs
Operation
argument. (Note: pseudo operations cannot be used
Clipped signed absolute value
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r60 ← 0x00000001
no change, since guard is false
r100 ← 0x7fffffff
r80 ← 0x7fffffff
r110 ← 0x7fffffff
h_dspiabs h_dspidualabs
dspiadd dspimul dspisub
dspuadd dspumul dspusub
pseudo-op for h_dspiabs
Philips Semiconductors
dspiabs
ATTRIBUTES
SEE ALSO
Result
with a constant
31
–1..0] (or
dspalu
1, 3
No
65
—
1
2