dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 52
dsp56800e
Manufacturer Part Number
dsp56800e
Description
16-bit Digital Signal Controller Core
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.DSP56800E.pdf
(706 pages)
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Data Types and Addressing Modes
Table 3-1 on page 3-3 contains summary descriptions of all the registers in the DSP56800E core.
3-2
23
23
23
20
20
Fast Interrupt Return Address
C
D
A
B
Figure 3-1. DSP56800E Core Programming Model
Pointer Registers
Y
Hardware Stack
35
Loop Address
Program Counter
A2
B2
C2
D2
HWS0
HWS1
32
FIRA
R0
R1
LA2
N
SP
R2
R3
R4
R5
LA
DSP56800E Core Reference Manual
31
15
PC
Data Arithmetic Logic Unit (ALU)
Address Generation Unit (AGU)
C1
D1
A1
B1
Y1
Y0
X0
Program Control Unit
Data Registers
0
0
0
0
0
16
0
15
C0
D0
A0
B0
15
15
15
15
Secondary Offset Register
Operating Mode Register
and Status Register
Modifier Registers
12
Fast Interrupt Status
Loop Counter
(OMR, SR)
OMR
M01
0
LC2
Register
N3
SR
LC
FISR
Freescale Semiconductor
0
0
0
0
0
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