PNX1311EH/G,557 NXP Semiconductors, PNX1311EH/G,557 Datasheet - Page 327
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
dspimul
SYNTAX
FUNCTION
DESCRIPTION
[2
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
A-29
r30 = 0x10, r40 = 0x20
r10 = 0, r30 = 0x10, r40 = 0x20
r20 = 1, r30 = 0x10, r40 = 0x20
r50 = 0x40000000, r90 = 2
r80 = 0xffffffff
r70 = 0x80000000, r90 = 2
As shown below, the
The
31
[ IF rguard ] dspimul rsrc1 rsrc2
if rguard then {
}
rsrc1
Full-precision
–1..–2
64-bit result
temp
if temp < 0xffffffff80000000 then
else if temp > 0x000000007fffffff then
else
dspimul
31
rdest
rdest
rdest
31
Initial Values
sign_ext32to64(rsrc1)
] (or [0x7fffffff..0x80000000]), and stores the clipped value into rdest. All values are signed integers.
63
0x80000000
0x7fffffff
temp<31:0>
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
PRELIMINARY SPECIFICATION
dspimul
signed
rdest
sign_ext32to64(rsrc2)
operation computes the product rsrc1 rsrc2, clips the result into the 32-bit range
dspimul r30 r40
IF r10 dspimul r30 r40
IF r20 dspimul r30 r40
dspimul r50 r90
dspimul r80 r80
dspimul r70 r90
31
0
Clip to [2
rdest
Operation
signed
signed
31
–1..–2
rsrc2
r60
r110
r120
r120
31
31
]
r80
r100
Clipped signed multiply
0
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r60
no change, since guard is false
r100
r110
r120
r120
dspiabs dspiadd dspisub
dspuadd dspumul dspusub
signed
Philips Semiconductors
0x200
0x200
0x7fffffff
0x1
0x80000000
ATTRIBUTES
SEE ALSO
Result
0
ifmul
141
2, 3
No
—
0
2
3
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