ADSP-2171 Analog Devices, ADSP-2171 Datasheet - Page 38

• Manufacturer Part Number: ADSP-2171
• Description: ADSP-2100 Family DSP Microcomputers
• Manufacturer: Analog Devices

ADSP-2171/ADSP-2172/ADSP-2173
ADSP-2173
Parameter
Serial Ports
Timing Requirement:
t
t
t
t
Switching Characteristic:
t
t
t
t
t
t
t
t
t
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 Delay Zero) to DT Valid
MULTICHANNEL MODE,
IN
FRAME DELAY 0
FRAME MODE
Width
ALTERNATE
OUT
OUT
(MFD = 0)
CLKOUT
RFS
TFS
Hold after SCLK High
Delay from SCLK High
RFS
TFS
SCLK
RFS
TFS
OUT
OUT
DR
DT
IN
IN
OUT
t
t
t
SCDE
SCDV
CC
t
t
t
t
RD
RH
TDE
TDV
Figure 29. Serial Ports
t
RDV
t
t
CC
SCS
–38–
t
SCH
t
SCDH
Min
76.9
8
10
28
0.25t
0
0
0
0
t
SCDD
t
CK
SCP
t
SCK
t
SCP
Max
0.25t
20
20
19
25
20
CK
+ 15
REV. A
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns