Cypress PSoC CY8CTMG20 Series, Technical Reference Manual

Page: 17 / 308

PSoC CY8CTMG20x and CY8CTST200 TRM, Document No. 001-53603 Rev. *C 17
Section A: Overview
Documentation Conventions
There are only four distinguishing font types used in this
manual, besides those found in the headings.
■
The first is the use of italics when referencing a docu-
ment title or file name.
■
The second is the use of bold italics when referencing a
term described in the Glossary of this manual.
■
The third is the use of Times New Roman font, distinguish-
ing equation examples.
■
The fourth is the use of
Courier New
font, distinguish-
ing code examples.
Register Conventions
The following table lists the register conventions that are
specific to this manual. A more detailed set of register con-
ventions is located in the
Register Reference chapter on
page 187 .
Numeric Naming
Hexadecimal numbers are represented with all letters in
uppercase with an appended lowercase ‘h’ (for example,
‘14h’ or ‘3Ah’) and
hexadecimal numbers may also be rep-
resented by a ‘0x’ prefix, the C coding convention. Binary
numbers have an appended lowercase ‘b’ (for example,
01010100b’ or ‘01000011b’). Numbers not indicated by an
‘h’ or ‘b’ are
decimal .
Units of Measure
This table lists the units of measure used in this manual.
Register Conventions
Convention Example Description
‘x’ in a register
name
PRTxIE
Multiple instances/address ranges of the
same register
R R : 00 Read register or bit(s)
W W : 00 Write register or bit(s)
O RO : 00 Only a read/write register or bit(s).
L RL : 00 Logical register or bit(s)
C RC : 00 Clearable register or bit(s)
00 RW : 00 Reset value is 0x00 or 00h
XX RW : XX Register is not reset
0, 0,04h Register is in bank 0
1, 1,23h Register is in bank 1
x, x,F7h
Register exists in register bank 0 and reg-
ister bank 1
Empty, grayed-
out table cell Reserved bit or group of bits, unless oth-
erwise stated
Units of Measure
Symbol Unit of Measure
°C degree Celsius
dB decibels
fF femtofarad
Hz hertz
k kilo, 1000
K
2
10
, 1024
KB 1024 bytes
Kbit 1024 bits
kHz kilohertz (32.000)
k
Ω
kilohm
MHz megahertz
M
Ω
megaohm
μ
A microampere
μ
F microfarad
μ
s microsecond
μ
V microvolt
μ
Vrms microvolts root-mean-square
mA milliampere
ms millisecond
mV millivolt
nA nanoamphere
ns nanosecond
nV nanovolt
Ω
ohm
pF picofarad
pp peak-to-peak
ppm parts per million
sps samples per second
σ
sigma: one standard deviation
V volt
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