Datasheet

ADSP-TS203S
Rev. D | Page 33 of 48 | May 2012
Link Port—Data In Timing
Table 33 with Figure 22 and Figure 23 provide the data in
timing for the LVDS link ports.
Table 33. Link Port—Data In Timing
Parameter Description Min Max Unit
Inputs
t
LCLKIP
LxCLKIN Period (Figure 23) Greater of 1.8
or 0.9 × t
CCLK
1
12.5 ns
t
LDIS
LxDATI Input Setup (Figure 23)0.20
1, 2
0.25
1, 3
0.30
1, 4
0.35
1, 5
ns
ns
ns
ns
t
LDIH
LxDATI Input Hold (Figure 23)0.20
1, 2
0.25
1, 3
0.30
1, 4
0.35
1, 5
ns
ns
ns
ns
t
BCMPIS
LxBCMPI Setup (Figure 22)2×t
LCLKIP
1
ns
t
BCMPIH
LxBCMPI Hold (Figure 22)2×t
LCLKIP
1
ns
1
Timing is relative to the 0 differential voltage (V
OD
= 0).
2
|V
ID
| = 250 mV.
3
|V
ID
| = 217 mV.
4
|V
ID
| = 206 mV.
5
|V
ID
| = 195 mV.
Figure 22. Link Ports—Last Received Quad Word
LxCLKIN
LxDATI
V
OD
=0V
V
OD
=0V
t
BCMPIS
LxBCMPI
t
BCMPIH
FIRST EDGE IN FIFTH SHORT WORD IN A QUAD WORD