adsp-21160n Analog Devices, Inc., adsp-21160n Datasheet - Page 37
adsp-21160n
Manufacturer Part Number
adsp-21160n
Description
Dsp Microcomputer
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADSP-21160N.pdf
(48 pages)
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Table 26. Serial Ports—Internal Clock
1
Table 27. Serial Ports—External Late Frame Sync
1
REV. 0
Parameter
Switching Characteristics
t
t
t
t
t
Referenced to drive edge.
Parameter
Switching Characteristics
t
t
MCE = 1, TFS enable and TFS valid follow t
DFSI
HOFSI
DDTI
HDTI
SCLKIW
DDTLFSE
DDTENFS
TFS Delay After TCLK (Internally Generated TFS)
TFS Hold After TCLK (Internally Generated TFS)
Transmit Data Delay After TCLK
Transmit Data Hold After TCLK
TCLK/RCLK Width
Data Delay from Late External TFS or External RFS with
MCE = 1, MFD = 0
Data Enable from Late FS or MCE = 1, MFD = 0
TCLK
TFS
DT
RCLK
RFS
DT
Figure 24. Serial Ports—External Late Frame Sync
DDTLFSE
DRIVE
t
DDTLFSE
DRIVE
1
t
DDTLFSE
t
TDDTENFS
SFSE/I
t
and t
DDTENFS
t
SFSE/I
EXTERNAL RFS WITH MCE = 1, MFD = 0
DDTENFS
SAMPLE
1ST BIT
1
SAMPLE
1
1ST BIT
LATE EXTERNAL TFS
t
t
.
HDTE/I
HDTE/I
–37–
DRIVE
DRIVE
t
DDTE/I
t
DDTE/I
t
1
HOFSE/I
1
1
t
HOFSE/I
2ND BIT
2ND BIT
Min
–1.5
0
0.5t
Min
1.0
SCLK
–1.5
ADSP-21160N
Max
4.5
7.5
0.5t
Max
13
SCLK
+1.5
Unit
ns
ns
ns
ns
ns
Unit
ns
ns