PNX1311EH/G,557 NXP Semiconductors, PNX1311EH/G,557 Datasheet - Page 471
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
ufir16
SYNTAX
FUNCTION
DESCRIPTION
halfwords of rsrc1 and rsrc2; the two products are summed, and the result is written to rdest. All halfwords are
considered unsigned; thus, the intermediate products and the final sum of products are unsigned. All intermediate
computations are performed without loss of precision; the final sum of products is clipped into the range [0xffffffff..0]
before being written into rdest.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
A-173
r30 = 0x00020003, r40 = 0x00010002
r10 = 0, r60 = 0x80000064, r70 = 0x00648000
r20 = 1, r60 = 0x80000064, r70 = 0x00648000
r30 = 0x00020003, r70 = 0x00648000
As shown below, the
The
[ IF rguard ] ufir16 rsrc1 rsrc2
if rguard then
rsrc1
rdest
ufir16
31
zero_ext16to32(rsrc1<31:16>)
zero_ext16to32(rsrc1<15:0>)
unsigned
Initial Values
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
PRELIMINARY SPECIFICATION
ufir16
Full-precision
33-bit result
15
rdest
operation computes two separate products of the two pairs of corresponding 16-bit
32
31
unsigned
zero_ext16to32(rsrc2<31:16>) +
zero_ext16to32(rsrc2<15:0>)
Sum of products of unsigned 16-bit halfwords
ufir16 r30 r40
IF r10 ufir16 r60 r70
IF r20 ufir16 r60 r70
ufir16 r30 r70
rdest
0
Clip to [2
unsigned
unsigned
32
Operation
–1..0]
rsrc2
31
r50
r100
unsigned
r80
r90
0
0
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
ifir16 ifir8ii ifir8ui
r50
no change, since guard is false
r90
r100
Philips Semiconductors
15
ATTRIBUTES
8
0x00640000
SEE ALSO
0x000180c8
ufir8uu
unsigned
Result
dspmul
2, 3
No
94
—
0
2
3
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