adsp-2165ks-80 Analog Devices, Inc., adsp-2165ks-80 Datasheet - Page 27

• Manufacturer Part Number: adsp-2165ks-80
• Description: Dsp Microcomputers With Rom
• Manufacturer: Analog Devices, Inc.

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TIMING PARAMETERS (ADSP-2161/ADSP-2163/ADSP-2165)
SERIAL PORTS
Parameter
Timing Requirements:
t
t
t
t
Switching Characteristics:
t
t
t
t
t
t
t
t
t
t
*Maximum serial port operating frequency is 13.824 MHz for all processor speed grades.
SCK
SCS
SCH
SCP
CC
SCDE
SCDV
RH
RD
SCDH
TDE
TDV
SCDD
RDV
SCLK Period
DR/TFS/RFS Setup Before SCLK Low
DR/TFS/RFS Hold After SCLK Low
SCLK
CLKOUT High to SCLK
SCLK High to DT Enable
SCLK High to DT Valid
TFS/RFS
TFS/RFS
DT Hold After SCLK High
TFS (Alt) to DT Enable
TFS (Alt) to DT Valid
SCLK High to DT Disable
RFS (Multichannel, Frame Delay Zero)
to DT Valid
IN
FRAME DELAY 0 {MFD = 0})
(MULTICHANNEL MODE,
Width
OUT
OUT
Hold After SCLK High
Delay from SCLK High
FRAME MODE)
(ALTERNATE
CLKOUT
RFS
TFS
SCLK
RFS
TFS
RFS
TFS
OUT
OUT
DR
DT
IN
IN
OUT
t
t
SCDE
CC
t
RH
t
TDE
Figure 26. Serial Ports
t
t
SCDV
RD
t
t
TDV
RDV
t
t
SCS
CC
–27–
8
10
18.1
Min
72.3
28
0
0
0
0
13.824 MHz*
t
SCH
t
SCDH
Max
33.1
20
20
18
25
20
t
SCDD
t
SCP
t
SCK
Frequency Dependency
Min
72.3
8
10
28
0.25t
0
0
0
0
t
CK
SCP
Max
0.25t
20
20
18
25
20
ADSP-216x
CK
+ 15
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns