User's Manual

16
Atmel AVR2042
8334A-AVR-05/11
8 Abbreviations
CLKM - Transceiver clock
DBG - Debug (interface)
EMI - Electromagnetic interference
JTAG - Joint Test Action Group
MCU - Microcontroller Unit
OTA - Over-the-air (upgrades)
PDI - Program/debug interface
PLL - Phase-locked loop
REB - Radio extender board
REB-CBB - REB controller base board
RTC - Real time counter
SPI - Serial peripheral interface
UART - Universal asynchronous receiver/transmitter
USART - Universal synchronous/asynchronous receiver/transmitter