Datasheet
Rev. 0 | Page 40 of 72 | June 2010
ADSP-21469
Table 36. Serial Ports—Enable and Three-State
Parameter Min Max Unit
Switching Characteristics
t
DDTEN
1
Data Enable from External Transmit SCLK 2 ns
t
DDTTE
1
Data Disable from External Transmit SCLK 11.5 ns
t
DDTIN
1
Data Enable from Internal Transmit SCLK –1 ns
1
Referenced to drive edge.
Figure 25. Serial Ports—Enable and Three-State
DRIVE EDGE
DRIVE EDGE
DRIVE EDGE
DAI_P20–1
(DATA
CHANNEL A/B)
DAI_P20–1
(FRAME SYNC)
DAI_P20–1
(SCLK, EXT)
t
DDTIN
t
DDTEN
t
DDTTE