adsp-bf548 Analog Devices, Inc., adsp-bf548 Datasheet - Page 58

• Manufacturer Part Number: adsp-bf548
• Description: Blackfin Embedded Processor
• Manufacturer: Analog Devices, Inc.

ADSP-BF54x
Table 38. Serial Ports—Enable and Three-State
1
2
Table 39. External Late Frame Sync (Multichannel Mode Only)
1
2
Parameter
Switching Characteristics
t
t
t
t
Parameter
Switching Characteristics
t
t
Referenced to drive edge.
Applicable to Multichannel Mode=1 only.
In multichannel mode, TFS enable and TFS valid follow t
If external RFS/TFS setup to RSCLK/TSCLK > t
DTENE
DDTTE
DTENI
DDTTI
DDTLFSE
DTENLFS
Data Enable Delay from External TSCLKx
Data Disable Delay from External TSCLKx
Data Enable Delay from Internal TSCLKx
Data Disable Delay from Internal TSCLKx
Data Delay from Late External RFSx with MFD = 0
Data Enable from Late Frame Sync with MFD = 0
SCLKE
/2, then t
DTENLFS
DDTE/I
Rev. A | Page 58 of 88 | October 2008
and t
and t
DDTLFSE
1
DTENE/I
1
1, 2
1, 2
.
apply; otherwise t
1, 2
1, 2
DDTLFSE
and t
DTENLFS
apply.
Min
0
–2.0
Min
0
Max
10.0
3.0
Max
10.0
Unit
ns
ns
ns
ns
Unit
ns
ns