Processor Users Manual

MOTOROLA Part IV. Communications Processor Module Part IV-vii
Part IV. Communications Processor Module
RT Real-time
RTOS Real-time operating system
Rx Receive
SAR Segmentation and reassembly
SCC Serial communications controller
SCP Serial control port
SCR Sustained cell rate
SDLC Synchronous Data Link Control
SDMA Serial DMA
SI Serial interface
SIU System interface unit
SMC Serial management controller
SNA Systems network architecture
SPI Serial peripheral interface
SRAM Static random access memory
SRTS Synchronous residual time stamp
TDM Time-division multiplexed
TE Terminal endpoint of an ISDN connection
TLB Translation lookaside buffer
TSA Time-slot assigner
Tx Transmit
UBR UnspeciÞed bit rate
UBR+ UnspeciÞed bit rate with minimum cell rate guarantee
UART Universal asynchronous receiver/transmitter
UPM User-programmable machine
USART Universal synchronous/asynchronous receiver/transmitter
WAN Wide area network
Table vii. Acronyms and Abbreviated Terms (Continued)
Term Meaning