Datasheet

Rev. B | Page 28 of 44 | July 2013
ADSP-BF592
Table 23. Serial Ports—Enable and Three-State
Parameter
V
DDEXT
1.8V Nominal
V
DDEXT
2.5 V/3.3V Nominal
Min Max Min Max Unit
Switching Characteristics
t
DTENE
Data Enable Delay from External TSCLKx
1
00ns
t
DDTTE
Data Disable Delay from External TSCLKx
1
t
SCLK
+ 1 t
SCLK
+ 1 ns
t
DTENI
Data Enable Delay from Internal TSCLKx
1
–2 –2 ns
t
DDTTI
Data Disable Delay from Internal TSCLKx
1
t
SCLK
+ 1 t
SCLK
+ 1 ns
1
Referenced to drive edge.
Figure 16. Serial Ports — Enable and Three-State
TSCLKx
DTx
DRIVE EDGE
t
DDTTE/I
t
DTENE/I
DRIVE EDGE