epc700/epc702
The delay time is set with d
1
, d
2
, and d
3
. The bits D
1
, D
2
, and D
3
are the inverted values of d
1
, d
2
, and d
3
. Table 3 shows the value mapping
table for the 8 different delay times.
delay [µs]
50
5
10
20
100
200
500
1000
D1
1
1
1
1
0
0
0
0
D2
1
1
0
0
1
1
0
0
D3
1
0
1
0
1
0
1
0
d1
0
0
0
0
1
1
1
1
d2
0
0
1
1
0
0
1
1
d3
0
1
0
1
0
1
0
1
Comments
Default value
Table 3: Delay-time programming table
An un-configured chip is applying a default delay time of 50µs corresponding to [d
1
, d
2
, d
3
] = 000 and [D
1
, D
2
, D
3
] = 111.
The recovery time is set to o
1
, o
2
, and o
3
, resp. O
1
, O
2
, and O
3
which are the inverted values of o
1
, o
2
, and o
3
table for the 8 different recovery time delay values.
Recovery
time [ms]
500
10
20
50
100
200
1000
1500
O
1
1
1
1
1
0
0
0
0
O
2
1
1
0
0
1
1
0
0
O
3
1
0
1
0
1
0
1
0
o
1
0
0
0
0
1
1
1
1
o
2
0
0
1
1
0
0
1
1
o
3
0
1
0
1
0
1
0
1
Comments
Default value
Table 4: Recovery time programming table
An un-configured chip is applying the default recovery time of 500ms corresponding to [o
1
, o
2
, o
3
] = 000 and [O
1
, O
2
, O
3
] = 111.
Programming Example
An example for changing the delay time to 100µs is shown in the following diagram:
Clock
Data
Manchester
Code
Bit #
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
1
0 1
1
0
0 0
0
0
1
1
1
1
0
0
1
1
1
1
0
0
Figure 9: Programming example to set t
del
to 100μs
© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
8
Datasheet epc700_702 - V2.2
www.espros.ch
EPC [ ESPROS PHOTONICS CORP ]
