ACD82224 Datasheet, PDF (59/77 Pages) List of Unclassifed Manufacturers – 24 Ports 10/100 Fast Ethernet Switch

Figure-9.6: CPU Command Timing
t4
t1 t2
CPUDI
idle state
start
stop
bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7
bit
bit
stop
bit
t3
CPUDO
bit bit stop
6 7 bit
T#
Description
t1
CPU idle time
t2
C P U c o m m a n d b it time
t3
Response time
t4
Command time
M I N T Y P M A X U N IT
0
-
-
us
10
-
1000 us
0
-
20
ms
-
-
20
ms
start
bit0
bit
Figure-9.7: ARL Result Timing
ARLCLK
ARLDO
ARLDI
DA1
DA2
t1
Result1
t2
t3
T#
Description
t1 time between DAs
t2 time for ARL result
t3 time between results
MIN TYP MAX UNIT
0-
-
ns
0 - 200 ns
0-
-
ns
Result2
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