Register conventions, Acronyms and abbreviations – Freescale Semiconductor MCF5480 User Manual
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Acronyms and Abbreviations
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor
xlv
longword
A 32-bit data unit
x
In some contexts, such as signal encodings, x indicates a don’t care.
n
Used to express an undefined numerical value
¬
NOT logical operator
&
AND logical operator
|
OR logical operator
Register Conventions
This reference manual uses the register diagram format shown below.
Acronyms and Abbreviations
lists acronyms and abbreviations used in this document.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
0
0
0
DFL
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reg
Addr
0x00C
Table i. Example Register Diagram
Table ii. . Acronyms and Abbreviated Terms
Term
Meaning
ADC
Analog-to-digital conversion
ALU
Arithmetic logic unit
AVEC
Autovector
BDM
Background debug mode
BIST
Built-in self test
BSDL
Boundary-scan description language
CODEC
Code/decode
comm bus
Internal communications bus
DAC
Digital-to-analog conversion
DMA
Direct memory access
DSP
Digital signal processing