adsp-2165ks-80 Analog Devices, Inc., adsp-2165ks-80 Datasheet - Page 34

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

ADSP-216x
TIMING PARAMETERS (ADSP-2162/ADSP-2164/ADSP-2166)
SERIAL PORTS
Parameter
Timing Requirements:
t
t
t
t
Switching Characteristics:
t
t
t
t
t
t
t
t
t
t
NOTES
1
2
Maximum serial port operating frequency is 13.824 MHz for all processor speed grades faster then 13.824 MHz.
For 10.24 MHz only, the maximum frequency dependency for t
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 20
Delay Zero) to DT Valid
SCLK High
SCLK High
IN
Width
OUT
OUT
FRAME DELAY 0 {MFD = 0})
Hold After
Delay from
(MULTICHANNEL MODE,
FRAME MODE)
(ALTERNATE
CLKOUT
RFS
TFS
SCLK
RFS
TFS
OUT
RFS
TFS
OUT
OUT
DR
DT
IN
IN
Min
97.6
8
10
28
24.4
0
0
0
0
10.24 MHz
Max
39.4
28
28
30
18
20
t
t
SCDE
CC
t
2
2
2
t
RH
TDE
SCDV
Figure 32. Serial Ports
t
t
SCDV
RD
= 28 ns, t
t
t
Min Max
76.9
8
10
28
19.2 34.2
0
0
0
0
TDV
RDV
13.0 MHz
t
20
20
18
25
20
t
SCS
CC
RD
–34–
= 28 ns, t
t
SCH
13.824 MHz
Min
72.3
8
10
28
18.1
0
0
0
0
t
SCDH
SCDD
1
= 30 ns.
Max
33.1
20
20
18
25
20
t
SCDD
1
t
SCP
t
8
10
28
0.25t
0
0
0
0
Frequency Dependency
Min
CK
1
t
SCK
CK
Max
0.25t
20
20
18
25
20
t
SCP
2
2
2
CK
+ 15
REV. 0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns