ADSP-21371/ADSP-21375
Table 29. Serial Ports—Enable and Three-State
Parameter
Switching Characteristics
tDDTEN1
tDDTTE1
tDDTIN1
Data Enable from External Transmit SCLK
Data Disable from External Transmit SCLK
Data Enable from Internal Transmit SCLK
1 Referenced to drive edge.
1.2 V, 266 MHz
Min Max Unit
2
ns
10
ns
–1
ns
Table 30. Serial Ports—External Late Frame Sync
Parameter
Switching Characteristics
tDDTLFSE1
Data Delay from Late External Transmit Frame Sync or External Receive Frame Sync with
MCE = 1, MFD = 0
tDDTENFS1
Data Enable for MCE = 1, MFD = 0
1 The tDDTLFSE and tDDTENFS parameters apply to left-justified sample pair as well as DSP serial mode, and MCE = 1, MFD = 0.
1.2 V, 266 MHz
Min Max Unit
10
ns
0.5
ns
Rev. C | Page 31 of 52 | September 2009