Datasheet

xlii MCF5407 User’s Manual
Terminology and Notational Conventions
Register Names
ACC MAC accumulator register
CCR Condition code register (lower byte of SR)
MACSR MAC status register
MASK MAC mask register
PC Program counter
SR Status register
Port Name
PSTDDATA Processor status/debug data port
Miscellaneous Operands
#<data> Immediate data following the 16-bit operation word of the instruction
<ea> Effective address
<ea>y,<ea>x Source and destination effective addresses, respectively
<label> Assembly language program label
<list> List of registers for MOVEM instruction (example: D3–D0)
<shift> Shift operation: shift left (<<), shift right (>>)
<size> Operand data size: byte (B), word (W), longword (L)
bc Both instruction and data caches
dc Data cache
ic Instruction cache
# <vector> Identifies the 4-bit vector number for trap instructions
<> identifies an indirect data address referencing memory
<xxx> identifies an absolute address referencing memory
dn Signal displacement value, n bits wide (example: d16 is a 16-bit displacement)
SF Scale factor (x1, x2, x4 for indexed addressing mode, <<1n>> for MAC operations)
Operations
+ Arithmetic addition or postincrement indicator
– Arithmetic subtraction or predecrement indicator
x Arithmetic multiplication
Table ii Notational Conventions (Continued)
Instruction Operand Syntax