ADSP-BF531/ADSP-BF532/ADSP-BF533
Table 30. Serial Ports—Enable and Three-State
VDDEXT = 1.8 V
Max
VDDEXT = 2.5 V/3.3 V
Parameter
Min
0
Min
Max
Unit
Switching Characteristics
tDTENE
tDDTTE
tDTENI
tDDTTI
Data Enable Delay from External TSCLKx1
Data Disable Delay from External TSCLKx1
Data Enable Delay from Internal TSCLKx1
Data Disable Delay from Internal TSCLKx1
0
ns
ns
ns
ns
10.0
3.0
10.0
3.0
2.0
2.0
1 Referenced to drive edge.
DRIVE EDGE
DRIVE EDGE
TSCLKx
DTx
tDTENE/I
tDDTTE/I
Figure 25. Enable and Three-State
Rev. H
| Page 37 of 64 | January 2011