dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 562
dsp56800e
Manufacturer Part Number
dsp56800e
Description
16-bit Digital Signal Controller Core
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.DSP56800E.pdf
(706 pages)
- Current page: 562 of 706
- Download datasheet (4Mb)
MPY
Parallel Dual Reads:
Instruction Opcodes:
Timing:
Memory:
A-218
MPY
MPY
MPY
MPY
MPY
1.This instruction is not allowed when the XP bit in the OMR is set (that is, when the instructions are executing
from data memory).
2.This instruction occupies only 1 program word and executes in 1 cycle for every addressing mode.
Operation
MPY
Data ALU Operation
–Q1,Q2,FFF
FFF1,FFF1,FFF
Q1,Q2,F GGG,X:<ea_m>
Q1,Q2,F X:<ea_m>,GGG
Q3,Q4,F X:<ea_m>,reg1
2
1 oscillator clock cycle
1 program word
X:<ea_v>,reg2
Operands
Y1,X0,F
Y1,Y0,F
Y0,X0,F
C1,Y0,F
1
DSP56800E Core Reference Manual
15
15
15
15
15
0
0
0
0
0
Signed Multiply
Source 1
X:(R0)+N
X:(R1)+N
X:(R4)+N
X:(R0)+N
X:(R4)+N
X:(R0)+
X:(R1)+
X:(R4)+
X:(R0)+
X:(R4)+
1
0
0
1
1
First Memory Read
1
0
1
1
1
12
12
12
12
12
0
0
0
0
1
11
11
11
11
11
1
0
0
0
0
Destination 1
G
G
0
0
1
Y0
Y1
Y0
Y1
G
G
F
F
v
G
G
F
F
v
8
8
8
8
8
F
F
F
F
F
7
7
7
7
7
X:(R3)+N3
X:(R3)+N3
Source 2
Q
Q
Q
X:(R3)+
X:(R3)–
X:(R3)+
X:(R3)+
J
v
Second Memory Read
Freescale Semiconductor
Q
Q
Q
Q
J
Q
Q
Q
Q
J
4
4
4
4
4
J
1
1
1
0
3
3
3
3
3
Destination 2
m
m
m
0
J
MPY
X0
X0
C
R
R
0
0
1
R
R
1
v
1
0
0
0
0
0
Related parts for dsp56800e
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
TTLPWG Series FAST / TTL Pulse Width Generator Modules
Manufacturer:
RHOMBUS-IND [Rhombus Industries Inc.]
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Dsp Microcomputer
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: