PNX1311EH/G,557 NXP Semiconductors, PNX1311EH/G,557 Datasheet - Page 473
PNX1311EH/G,557
Manufacturer Part Number
PNX1311EH/G,557
Description
IC MEDIA PROC 166MHZ 292-HBGA
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1300EHG557.pdf
(549 pages)
Specifications of PNX1311EH/G,557
Applications
Multimedia
Core Processor
TriMedia
Controller Series
Nexperia
Ram Size
48K x 8
Interface
I²C, 2-Wire Serial
Number Of I /o
169
Voltage - Supply
2.375 V ~ 2.625 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
292-HBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Program Memory Type
-
Other names
568-1295
935277721557
PNX1311EH/G
935277721557
PNX1311EH/G
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PNX1300/01/02/11 Data Book
ufixieee
SYNTAX
FUNCTION
DESCRIPTION
and writes the result into rdest. Rounding is according to the IEEE rounding mode bits in PCSW. If rsrc1 is
denormalized, zero is substituted before conversion, and the IFZ flag in the PCSW is set. If
IEEE exception, such as overflow or underflow, the corresponding exception flags in the PCSW are set. The PCSW
exception flags are sticky: the flags can be set as a side-effect of any floating-point operation but can only be reset by
an explicit
written. If any other floating-point compute operations update the PCSW at the same time, the net result in each
exception flag is the logical OR of all simultaneous updates ORed with the existing PCSW value for that exception flag.
modification of the destination register. If the LSB of r guard is 1, rdest and the exception flags in PCSW are written;
otherwise, rdest is not changed and the operation does not affect the exception flags in PCSW.
EXAMPLES
A-175
r30 = 0x40400000 (3.0)
r35 = 0x40247ae1 (2.57)
r10 = 0,
r40 = 0xff4fffff (–3.402823466e+38)
r20 = 1,
r40 = 0xff4fffff (–3.402823466e+38)
r45 = 0x7f800000 (+INF))
r50 = 0xbfc147ae (-1.51)
r60 = 0x00400000 (5.877471754e-39)
r70 = 0xffffffff (QNaN)
r80 = 0xffbfffff (SNaN)
The
The
The
[ IF rguard ] ufixieee rsrc1
if rguard then {
}
rdest
ufixieeeflags
ufixieee
ufixieee
writepcsw
Initial Values
(unsigned long) ((float)rsrc1)
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
operation converts the single-precision IEEE floating-point value in rsrc1 to an unsigned integer
PRELIMINARY SPECIFICATION
operation. The update of the PCSW exception flags occurs at the same time as rdest is
operation computes the exception flags that would result from an individual
ufixieee r30
ufixieee r35
IF r10 ufixieee r40
IF r20 ufixieee r40
ufixieee r45
ufixieee r50
ufixieee r60
ufixieee r70
ufixieee r80
Convert floating-point to unsigned integer using
rdest
Operation
r100
r102
r112
r115
r117
r120
r122
r105
r110
PCSW rounding mode
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r100
r102
no change, since guard is false
r110
r112
r115
r117
r120
r122
ifixieee ifixrz ufixrz
Philips Semiconductors
3
3, INX flag set
0x0, INV flag set
0xffffffff (2
0, INV flag set
0, IFZ set
0, INV flag set
0, INV flag set
ATTRIBUTES
SEE ALSO
ufixieee
Result
32
-1), INV flag set
ufixieee
causes an
falu
123
1, 4
No
—
1
3
.
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