Freescale Semiconductor MCF52277 Reference Manual page 29

Term
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
Terminology Conventions
Table ii shows terminology conventions used throughout this document.
Instruction
cc Logical condition (example: NE for not equal)
An Any address register n (example: A3 is address register 3)
Ay,Ax Source and destination address registers, respectively
Dn Any data register n (example: D5 is data register 5)
Dy,Dx Source and destination data registers, respectively
Rc Any control register (example VBR is the vector base register)
Rm MAC registers (ACC, MAC, MASK)
Rn Any address or data register
Rw Destination register w (used for MAC instructions only)
Ry,Rx Any source and destination registers, respectively
Freescale Semiconductor
Table i. Acronyms and Abbreviated Terms (continued)
Table ii. Notational Conventions
Opcode Wildcard
Register Specifications
MCF52277 Reference Manual, Rev. 0
Meaning
Operand Syntax
xxix