dsp56800 Freescale Semiconductor, Inc, dsp56800 Datasheet - Page 328
dsp56800
Manufacturer Part Number
dsp56800
Description
16-bit Digital Signal Controllers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.DSP56800.pdf
(448 pages)
- Current page: 328 of 448
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MACR
Condition Codes Affected:
Instruction Fields:
A-98
Operation
MACR
See Section 3.6.5, “16-Bit Destinations,” on page 3-35 for cases with X0, Y0, or Y1 as D.
See Section 3.6.2, “36-Bit Destinations — CC Bit Set,” on page 3-34 and Section 3.6.4, “20-Bit Des-
tinations — CC Bit Set,” on page 3-34 for the case when the CC bit is set.
LF
15
14
*
SZ — Set according to the standard definition of the SZ bit (parallel move)
L
E
U
N
Z
V
(±)Y1,X0,FDD
(±)Y0,X0,FDD
(±)Y1,Y0,FDD
(±)Y0,Y0,FDD
(±)A1,Y0,FDD
(±)B1,Y1,FDD
13
*
Operands
— Set if limiting (parallel move) or overflow has occurred in result
— Set if the extension portion of accumulator result is in use
— Set according to the standard definition of the U bit
— Set if bit 35 of accumulator result is set
— Set if result equals zero
— Set if overflow has occurred in result
Multiply-Accumulate and Round
12
*
MR
11
*
DSP56800 Family Manual
10
*
I1
9
C
2
I0
8
W
1
SZ
7
Fractional MAC with round, multiplication result option-
ally negated before addition.
L
6
E
5
U
4
CCR
N
3
Z
Comments
2
V
1
Freescale Semiconductor
C
0
MACR
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