Term
SIU
System interface unit
SMC
Serial management controller
SNA
Systems network architecture.
SPI
Serial peripheral interface
SPR
Special-purpose register
SRAM
Static random access memory
TDM
Time-division multiplexed
TLB
Translation lookaside buffer
TSA
Time-slot assigner
Tx
Transmit
UART
Universal asynchronous receiver/transmitter
UISA
User instruction set architecture
UPM
User-programmable machine
USART
Universal synchronous/asynchronous receiver/transmitter
IV-4
Table IV-1. Acronyms and Abbreviated Terms (continued)
MPC885 PowerQUICC Family Reference Manual, Rev. 2
Meaning
Freescale Semiconductor