PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor lxi
Terminology Conventions
Table ii shows terminology conventions used throughout this document.
JEDEC Joint Electron Device Engineering Council
JTAG Joint Test Action Group
LIFO Last-in, first-out
LSB Least-significant byte
LVI Low-voltage interrupt
lsb Least-significant bit
MAC Multiply accumulate unit, also Media access controller
MSB Most-significant byte
msb Most-significant bit
Mux Multiplex
NOP No operation
OEP Operand execution pipeline
PC Program counter
PLIC Physical layer interface controller
PLL Phase-locked loop
POR Power-on reset
RISC Reduced instruction set computing
Rx Receive
SOF Start of frame
TAP Test access port
TTL Transistor transistor logic
Tx Transmit
UART Universal asynchronous/synchronous receiver transmitter
USB Universal serial bus
Table ii. Notational Conventions
Instruction Operand Syntax
Opcode Wildcard
cc Logical condition (example: NE for not equal)
Table i. Acronyms and Abbreviated Terms (continued)
Term Meaning
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