Appendix B : Acronyms/Abbreviations
RC224ATL/224ATLV
EmbeddedModem Family
M
MCR
MCU
MSR
Modem Control Register
Microcontroller Unit
Modem Status Register
O-P
OEM
op amp
PBX
Original Equipment Manufacturer
operational amplifier
Private Branch Exchange
R-S
RBR
RTS
SCR
Receiver Buffer Register
Request to Send (name of bit and function)
Scratchpad Register
T-U
THR
Transmit Holding Register
TTL
Transistor-to-Transistor Logic
UART
Universal Asynchronous Receiver/Transmitter
X
X-on/X-off
Transistor On/Off
B-2
Conexant
D224ATLVDSC