dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 358

• Manufacturer Part Number: dsp56800e
• Description: 16-bit Digital Signal Controller Core
• Manufacturer: Freescale Semiconductor, Inc

ADD
Parallel Dual Reads:
A-14
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
ADD
Data ALU Operation
2
Operands
X0,F
Y1,F
Y0,F
A,B
B,A
1
DSP56800E Core Reference Manual
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)+
First Memory Read
Add
Destination 1
Y0
Y1
Y0
Y1
X:(R3)+N3
X:(R3)+N3
Source 2
X:(R3)+
X:(R3)–
X:(R3)+
X:(R3)+
Second Memory Read
Freescale Semiconductor
Destination 2
ADD
X0
X0
C