ruilog

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+2B...