參數(shù)資料
型號: MC68EC030
廠商: Motorola, Inc.
英文描述: Second-Generation 32-Bit Enhanced Embedded Controller
中文描述: 第二代32位增強型嵌入式控制器
文件頁數(shù): 9/36頁
文件大?。?/td> 392K
代理商: MC68EC030
MOTOROLA
MC68EC030 TECHNICAL DATA
Go to: www.freescale.com
9
Table 1. MC68EC030 Addressing Modes
Addressing Modes
Syntax
Register Direct Addressing
Data Register Direct
Address Register Direct
Register Indirect
Address Register Indirect
Address Register Indirect with Postincrement
Address Register Indirect with Predecrement
Address Register Indirect with Displacement
Dn
An
(An)
(An);pl
-(An)
(d16,An)
Register Indirect with Index
Address Register Indirect with Index (8-Bit Displacement)
Address Register Indirect with Index (Base Displacement)
(d8,An,Xn)
(bd,An,Xn)
Memory Indirect
Memory Indirect Postindexed
Memory Indirect Preindexed
Program Counter Indirect with Displacement
([bd,An],Xn,od)
([bd,An,Xn],od)
(d16,PC)
Program Counter Indirect with Index
PC Indirect with Index (8-Bit Displacement)
PC Indirect with Index (Base Displacement)
(d8,PC,Xn)
(bd,PC,Xn)
Program Counter Memory Indirect
PC Memory Indirect Postindexed
PC Memory Indirect Preindexed
Absolute Data Addressing
Absolute Short
Absolute Long
Immediate
([bd,PC],Xn,od)
([bd,PC,Xn],od)
xxx.W
xxx.L
#<data>
NOTES:
Dn
An
d8, d16=
=
=
Data Register, D0–D7
Address Register, A0–A7
A twos-complement or sign-extended displacement; added as part of
the effective address calculation; size is 8 (d8) or 16 (d16) bits;
when omitted, assemblers use a value of zero.
Address or data register used as an index register; form is
Xn.SIZE*SCALE, where SIZE is .W or .L (indicates index register
size) and SCALE is 1, 2, 4, or 8 (index register is multiplied by
SCALE); use of SIZE and/or SCALE is optional.
=
A twos-complement base displacement; when present, size can be
16 or 32 bits.
=
Outer displacement added as part of effective address calculation
after any memory indirection; use is optional with a size of 16 or 32
bits.
=
Program Counter
<data> =
Immediate value of 8, 16, or 32 bits
( )
=
Effective Address
[ ]
=
Used as indirect address to long-word address.
Xn
=
bd
od
PC
F
Freescale Semiconductor, Inc.
n
.
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