PNX1311EH/G,557 NXP Semiconductors, PNX1311EH/G,557 Datasheet - Page 450
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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Philips Semiconductors
Unsigned quad 8-bit multiply most significant
SYNTAX
FUNCTION
DESCRIPTION
8-bit bytes of rsrc1 and rsrc2. All bytes are considered unsigned. The most-significant 8 bits of each 16-bit product is
written to the corresponding byte in rdest.
the modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
r30 = 0x0210800e, r40 = 0xffffff02
r10 = 0, r60 = 0x80ff1010, r70 = 0x80ff100f
r20 = 1, r60 = 0x80ff1010, r70 = 0x80ff100f
As shown below, the
The
Four full-precision
[ IF rguard ] quadumulmsb rsrc1 rsrc2
if rguard then {
}
rsrc1
16-bit products
temp
rdest<7:0>
temp
rdest<15:8>
temp
rdest<23:16>
temp
rdest<31:24>
quadumulmsb
31
unsigned
15
(zero_ext8to32(rsrc1<7:0>)
(zero_ext8to32(rsrc1<15:8>)
(zero_ext8to32(rsrc1<23:16>)
(zero_ext8to32(rsrc1<31:24>)
Initial Values
temp<15:8>
unsigned
23
temp<15:8>
temp<15:8>
temp<15:8>
unsigned
7
quadumulmsb
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls
15
0
unsigned
rdest
15
31
zero_ext8to32(rsrc2<7:0>))
unsigned
zero_ext8to32(rsrc2<15:8>))
zero_ext8to32(rsrc2<23:16>))
zero_ext8to32(rsrc2<31:24>))
operation computes four separate products of the four pairs of corresponding
7
quadumulmsb r30 r40
IF r10 quadumulmsb r60 r70
IF r20 quadumulmsb r60 r70
unsigned
unsigned
7
23
unsigned
0
0
rdest
Operation
15
15
PRELIMINARY SPECIFICATION
unsigned
rsrc2
31
unsigned
unsigned
PNX1300/01/02/11 DSPCPU Operations
7
7
r50
unsigned
23
unsigned
0
r80
r90
0
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
quadavg dspuquadaddui
quadumulmsb
15
r50
no change, since guard is false
r90
15
unsigned
ATTRIBUTES
0x010f7f00
0x40fe0100
SEE ALSO
unsigned
ifir8ii
7
Result
7
unsigned
0
dspmul
2, 3
No
89
—
0
2
3
A-152
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