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8. 通信图, UML学习笔记
Published : 2008-03-28
Categories :
Tech
Tags :
Communication
Communication Diagrams
UML
通信图
Reading
Focusing on Interaction Links: Communication Diagrams
交互的链接: 通信图
Communication Diagrams:
\ Participants: 参与者
\ Links: 链接
\ Messages: 消息
communication link: 通信链接
nested: 嵌套
number-and-letter: "数字-字母"表示...
8251串行通信
Published : 2004-12-08
Categories :
School
Tags :
8251
Serial
Communication
;8251串行通信 用8251 8253 clk0接1M
;宏定义必须放在end main 以外 必须放在程序开头 在end main后不行
;用equ定义8251 8253 地址
;操作 键盘键入要发送的键值 屏幕显示其值和接收回来加三后的值 判ESC退出
delay
MACRO
;调用时直接用宏名 delay
LOCAL d0
MOV CX,0ffffh
;初值越大越好 0ffffh
d0: ...
[串行通信8051/8253]微机原理实验14
Published : 2004-11-30
Categories :
School
Tags :
8051
8253
Serial
Communication
IOPORT
EQU
0DC00H-280H
C53
EQU
IOPORT+283H
T53
EQU
IOPORT+280H
C51
EQU
IOPORT+2B9H
D51
EQU
IOPORT+2B8H
DATA
SEGMENT
RUN DB
'INPUT:',0DH,0AH,'$'
ERR DB
'ERROR!',0DH,0AH,'$'
OVE DB
'OVER!',0DH,0AH,'$'
D...
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