參數(shù)資料
型號： EC000UM
英文描述： EC000 Core User＇s Manual (SCM68000)
中文描述： EC000核心用戶手冊（SCM68000）
文件頁數(shù)： 61/145頁
文件大小： 829K
代理商： EC000UM
Overview
MOTOROLA
EC000 CORE PROCESSOR USER’S MANUAL
1-9
1.4 DATA TYPES AND ADDRESSING MODES
Detailed information about the data types and addressing modes can be found in the
M68000 Family Programmer's Reference Manual (M68000PM/AD). The SCM68000 sup-
ports the five basic data types of the M68000 family:
1. Bit
2. Binary-Coded-Decimal (BCD) Digit (4 Bits)
3. Byte (8 Bits)
4. Word (16 Bits)
5. Long Word (32 Bits)
In addition, the instruction set supports operations on other data formats such as memory
addresses, status word, data, etc.
The SCM68000 also supports the basic addressing modes of the M68000 family. The reg-
ister indirect addressing modes support postincrementing, predecrementing, offsetting, and
indexing capabilities. The program counter relative mode also supports indexing and offset-
ting. Table 1-1 lists a summary of the data addressing modes for the SCM68000.
Table 1-1. Data Addressing Modes
Addressing Modes
Generation
Syntax
Register Direct Addressing
Data Register Direct
Address Register Direct
EA = Dn
EA = An
Dn
An
Absolute Data Addressing
Absolute Short
Absolute Long
EA = (Next Word)
EA = (Next Two Words)
(xxx).W
(xxx).L
Program Counter Relative Addressing
Relative with Offset
Relative with Index and Offset
EA = (PC) + d16
EA = (PC) + d8
(d16,PC)
(d8,PC,Xn)
Register Indirect Addressing
Register Indirect
Postincrement Register Indirect
Predecrement Register Indirect
Register Indirect with Offset
Indexed Register Indirect with Offset
EA = (An)
EA = (An), An
← An + N
An
← An – N, EA = (An)
EA = (An) + d16
EA = (An) + (Xn) + d8
(An)
(An)+
–(An)
(d16,An)
(d8,An,Xn)
Immediate Data Addressing
Immediate
Quick Immediate
DATA = Next Word(s)
Inherent Data
#<data>
Implied Addressing
Implied Register
EA = SR, USP, SSP, PC
SR, USP, SSP, PC
NOTES:
EA
=
Effective Address
Dn
=
Data Register
An
=
Address Register
( )
=
Contents of
PC
=
Program Counter
d8
=
8-Bit Offset (Displacement)
d16
=
16-Bit Offset (Displacement)
N
=
1 for byte, 2 for word, and 4 for long word. If An is the stack pointer and the
operand size is byte, N = 2 to keep the stack pointer on a word boundary.
←
=
Replaces
Xn
=
Address or Data Register Used as Index Register
SR
=
Status Register
USP
=
User Stack Pointer
SSP
=
Supervisor Stack Pointer
(xxx)
=
Absolute Address
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.
相關(guān)PDF資料
PDF描述
EC103B Sensitive SCRs
EC103B1 Sensitive SCRs
EC103B2 Sensitive SCRs
EC103B3 Sensitive SCRs
EC103D175 Thyristor Product Catalog
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EC0010-000 制造商:TE Connectivity 功能描述:EC0010-000
EC001031 制造商:PHOENIX 制造商全稱:PHOENIX CONTACT 功能描述:Header, Nominal current: 12 A, Rated voltage (III/2): 320 V, Assembly: Soldering
EC001121 制造商:PHOENIX 制造商全稱:PHOENIX CONTACT 功能描述:Plug component, Nominal current: 12 A, Rated voltage (III/2): 320 V, Number of positions: 4, Pitch: 5mm, Connection method: Screw connection, Color: Black, Contact surface: Tin
EC001283 制造商:PHOENIX 制造商全稱:PHOENIX CONTACT 功能描述:Plug component, Nominal current: 12 A, Rated voltage (III/2): 320 V, Number of positions: 7, Pitch: 5.08 mm, Connection method: Solder/Slip-on connection, Color: green, Contact surface: Tin, Assembly: Direct mounting
EC0013-000 制造商:TE Connectivity 功能描述:EC0013-000
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*