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, 2, 3
Data Enable Delay from Internal TSCLKx1
Data Disable Delay from Internal TSCLKx1, 2, 3
0
ns
ns
ns
ns
10.0
3.0
10.0
3.0
2.0
2.0
1 Referenced to drive edge.
2 Applicable to multichannel mode only.
3 TSCLKx is tied to RSCLKx.
DRIVE EDGE
DRIVE EDGE
TSCLKx
DTx
tDTENE/I
tDDTTE/I
Figure 25. Enable and Three-State
Rev. I
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Page 36 of 64
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August 2013
ADI [ ADI ]
