User Guide

<%27
7UGT
U/CPWCN
80 +DUGZDUHDQG6RIWZDUH,PSOHPHQWDWLRQ([DPSOHV

)LJXUH $GGLQJ2QH:DLW6WDWHWR$Q\0HPRU\&\FOH
,QWHUIDFLQJ'\QDPLF0HPRULHV
(DFKLQGLYLGXDOG\QDPLF5$0KDVLW¶VRZQVSHFLILFDWLRQVWKDWUHTXLUH
PLQRUPRGLILFDWLRQVWRWKHH[DPSOHVJLYHQKHUH=L/2*$SSOLFDWLRQ
1RWHVDUHDYDLODEOHGHVFULELQJKRZWKH=&38LVLQWHUIDFHGZLWKPRVW
SRSXODUG\QDPLF5$0
)LJXUH LOOXVWUDWHVWKHORJLFQHFHVVDU\WRLQWHUIDFH.E\WHVRIG\QDPLF
5$0XVLQJSLQ.G\QDPLFPHPRULHV7KLVORJLFDVVXPHVWKDWWKH
5$0VDUHWKHRQO\PHPRU\LQWKHV\VWHPVRWKDW$LVXVHGWRVHOHFW
EHWZHHQWKHWZRSDJHVRIPHPRU\'XULQJUHIUHVKWLPHDOOPHPRULHVLQWKH
V\VWHPPXVWEHUHDG7KH&38SURYLGHVWKHFRUUHFWUHIUHVKDGGUHVVRQOLQHV
$WKURXJK$:KHQDGGLQJPRUHPHPRU\WRWKHV\VWHPLWLVQHFHVVDU\
WRUHSODFHRQO\WKHWZRJDWHVWKDWRSHUDWHRQ$ZLWKDGHFRGHUWKDWRSHU
DWHVRQDOOUHTXLUHGDGGUHVVELWV$GGUHVVEXIIHUVDQGGDWDEXVEXIIHUVDUH
JHQHUDOO\UHTXLUHGIRUODUJHUV\VWHPV
+5V
D
C
Q
Q
R
S
7474
+5V
D
C
Q
Q
R
S
7474
+5V
MREQ
CLK
+5V
7400
WAIT
WAIT
MREQ
CLK
T
1
T
2
T
W