adsp-bf538f Analog Devices, Inc., adsp-bf538f Datasheet - Page 38

• Manufacturer Part Number: adsp-bf538f
• Description: Blackfin Embedded Processor
• Manufacturer: Analog Devices, Inc.

ADSP-BF538/ADSP-BF538F
Serial Port Timing
Table 26
through
Table 26. Serial Ports—External Clock
1
2
Table 27. Serial Ports—Internal Clock
1
2
Table 28. Serial Ports—Enable and Three-State
1
Parameter
Timing Requirements
t
t
t
t
t
t
Switching Characteristics
t
t
t
t
Parameter
Timing Requirements
t
t
t
t
t
t
Switching Characteristics
t
t
t
t
t
Parameter
Switching Characteristics
t
t
t
t
Referenced to sample edge.
Referenced to drive edge.
Referenced to sample edge.
Referenced to drive edge.
Referenced to drive edge.
SFSE
HRSE
SDRE
HDRE
SCLEW
SCLKE
DFSE
HOFSE
DDTE
HDTE
SFSI
HFSI
SDRI
HDRI
SCLKEW
SCLKE
DFSI
HOFSI
DDTI
HDTI
SCLKIW
DTENE
DDTTE
DTENI
DDTTI
Figure 23 on Page 40
through
Table 29 on Page 39
TFSx/RFSx Setup Before TSCLKx/RSCLKx (Externally Generated TFSx/RFSx)
TFSx/RFSx Hold After TSCLKx/RSCLKx (Externally Generated TFSx/RFSx)
Receive Data Setup Before RSCLKx
Receive Data Hold After RSCLKx
TSCLKx/RSCLKx Width
TSCLKx/RSCLKx Period
TFSx/RFSx Delay After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx)
TFSx/RFSx Hold After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx)
Transmit Data Delay After TSCLKx
Transmit Data Hold After TSCLKx
TFSx/RFSx Setup Before TSCLKx/RSCLKx (Externally Generated TFSx/RFSx)
TFSx/RFSx Hold After TSCLKx/RSCLKx (Externally Generated TFSx/RFSx)
Receive Data Setup Before RSCLKx
Receive Data Hold After RSCLKx
TSCLKx/RSCLKx Width
TSCLKx/RSCLKx Period
TFSx/RFSx Delay After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx)
TFSx/RFSx Hold After TSCLKx/RSCLKx (Internally Generated TFSx/RFSx)
Transmit Data Delay After TSCLKx
Transmit Data Hold After TSCLKx
TSCLKx/RSCLKx Width
Data Enable Delay from External TSCLKx
Data Disable Delay from External TSCLKx
Data Enable Delay from Internal TSCLKx
Data Disable Delay from Internal TSCLKx
describe Serial Port operations.
and
Figure 22 on Page 39
1
1
Rev. A | Page 38 of 56 | January 2008
2
2
2
2
1
1
1
1
1
1
2
2
1
1
2
2
1
1
Min
3.0
3.0
3.0
3.0
4.5
15.0
0.0
0.0
Min
8.0
–1.5
8.0
–1.5
4.5
15.0
–1.0
–2.0
4.5
Min
0
–2.0
Max
10.0
10.0
Max
3.0
3.0
Max
10.0
3.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns