Freescale Semiconductor MPC8260 - Manual (Page 172)

MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
II-2 Freescale Semiconductor
example, MSR[LE] refers to the little-endian mode enable bit in the machine state
register.
x In certain contexts, such as in a signal encoding or a bit field, indicates a don’t
care.
n Indicates an undefined numerical value
Acronyms and Abbreviations
Table i contains acronyms and abbreviations that are used in this document. Note that the meanings for
some acronyms (such as SDR1 and DSISR) are historical, and the words for which an acronym stands may
not be intuitively obvious.
Table II-1. Acronyms and Abbreviated Terms
Term Meaning
BIST Built-in self test
DMA Direct memory access
DRAM Dynamic random access memory
EA Effective address
GPR General-purpose register
IEEE Institute of Electrical and Electronics Engineers
LSB Least-significant byte
lsb Least-significant bit
LSU Load/store unit
MSB Most-significant byte
msb Most-significant bit
MSR Machine state register
PCI Peripheral component interconnect
RTOS Real-time operating system
Rx Receive
SPR Special-purpose register
SWT Software watchdog timer
Tx Transmit