参数资料
型号: MC68EC060RC50
厂商: Freescale Semiconductor
文件页数: 70/128页
文件大小: 0K
描述: IC MPU 32BIT 50MHZ 206-PGA
标准包装: 10
系列: M680x0
处理器类型: M680x0 32-位
速度: 50MHz
电压: 3.3V
安装类型: 通孔
封装/外壳: 206-BEPGA
供应商设备封装: 206-PGA(47.25x47.25)
包装: 托盘
Introduction
1-22
M68060 USER’S MANUAL
MOTOROLA
Rn
Any Address or Data Register
Rx, Ry
Any source and destination registers, respectively.
Xn
Index Register—An, Dn, or suppressed.
Data Format and Type
+ inf
Positive Infinity
<fmt>
Operand Data Format: Byte (B), Word (W), Long (L), Single (S), Double (D), Extended (X), or
Packed (P).
B, W, L
Specifies a signed integer data type (twos complement) of byte, word, or long word.
D
Double-precision real data format (64 bits).
k
A twos complement signed integer (–64 to +17) specifying a number’s format to be stored in the
packed decimal format.
P
Packed BCD real data format (96 bits, 12 bytes).
S
Single-precision real data format (32 bits).
X
Extended-precision real data format (96 bits, 16 bits unused).
– inf
Negative Infinity
Subfields and Qualifiers
#<xxx> or #<data>
Immediate data following the instruction word(s).
( )
Identifies an indirect address in a register.
[ ]
Identifies an indirect address in memory.
bd
Base Displacement
dn
Displacement Value, n Bits Wide (example: d16 is a 16-bit displacement).
LSB
Least Significant Bit
LSW
Least Significant Word
MSB
Most Significant Bit
MSW
Most Significant Word
od
Outer Displacement
SCALE
A scale factor (1, 2, 4, or 8, for no-word, word, long-word, or quad-word scaling, respectively).
SIZE
The index register’s size (W for word, L for long word).
{offset:width}
Bit field selection.
Register Codes
*
General Case.
C
Carry Bit in CCR
cc
Condition Codes from CCR
FC
Function Code
N
Negative Bit in CCR
U
Undefined, Reserved for Motorola Use.
V
Overflow Bit in CCR
X
Extend Bit in CCR
Z
Zero Bit in CCR
Not Affected or Applicable.
Miscellaneous
<ea>
Effective Address
<label>
Assemble Program Label
<list>
List of registers, for example D3–D0.
LB
Lower Bound
m
Bit m of an Operand
m–n
Bits m through n of Operand
UB
Upper Bound
Table 1-4. Notational Conventions (Continued)
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