adsp-bf548 Analog Devices, Inc., adsp-bf548 Datasheet - Page 59

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

RSCLKx
RFSx
DRx
TSCLKx
DTx
TFSx
DATA RECEIVE—INTERNAL CLOCK
DATA TRANSMIT—INTERNAL CLOCK
t
HOFSI
t
HOFSI
t
HDTI
DRIVE
DRIVE
EDGE
EDGE
NOTE: EITHER THE RISING EDGE OR FALLING EDGE OF RSCLKx OR TSCLKx CAN BE USED AS THE ACTIVE SAMPLING EDGE.
NOTE: EITHER THE RISING EDGE OR FALLING EDGE OF RSCLKx OR TSCLKx CAN BE USED AS THE ACTIVE SAMPLING EDGE.
t
DFSI
t
t
DDTI
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
DFSI
t
t
SCLKIW
SCLKIW
t
t
SFSI
t
SDRI
SFSI
SAMPLE
SAMPLE
EDGE
EDGE
Rev. A | Page 59 of 88 | October 2008
t
t
HDRI
t
HFSI
HFSI
Figure 28. Serial Ports
RSCLKx
DRx
RFSx
TSCLKx
DTx
TFSx
DATA RECEIVE—EXTERNAL CLOCK
DATA TRANSMIT—EXTERNAL CLOCK
t
t
HOFSE
HOFSE
t
HDTE
DRIVE
DRIVE
EDGE
EDGE
t
t
DFSE
DFSE
t
DDTE
t
t
SCLKEW
SCLKEW
t
t
t
SFSE
SDRE
SFSE
SAMPLE
SAMPLE
EDGE
EDGE
t
t
t
HDRE
HFSE
HFSE