Intel MD566X - Manual (Page 3)

56K V.92 Data, Fax, and Voice Chipset
Programmer’s Guide Intel Confidential 3
CONVENTIONS
This section lists conventions used in this data book.
Note: S-registers and AT commands are in bold typeface throughout this document.
Abbreviations
Symbol Units of measure
°C
degree Celsius
µF microfarad
µs microsecond (1,000 nanoseconds)
Hz hertz (cycle per second)
K (memory) kilobit (1,024 bits)
kbits/second kilobit (1,000 bits) per second
kHz kilohertz
k Ω kilohm
Mbyte (memory) megabyte (1,048,576 bytes)
MHz megahertz (1,000 kilohertz)
mA milliampere
ms millisecond (1,000 microseconds)
ns nanosecond
pV picovolt
V volt
W watt
Acronyms
Acronym Definition
AC alternating current
AT
‘Attention’ command prefix for Hayes AT
∗ command
set (for example, ‘ATDT 123’)
CMOS complementary metal-oxide semiconductor
DC direct current
DAA data access arrangement