ADSP21MOD980N AD [Analog Devices], ADSP21MOD980N Datasheet - Page 28

• Manufacturer Part Number: ADSP21MOD980N
• Description: MultiPort Internet Gateway Processor
• Manufacturer: AD [Analog Devices]

Serial Ports
Table 11. Serial Ports
Parameter
Timing Requirements:
t
t
t
t
Switching Characteristics:
t
t
t
t
t
t
t
t
t
t
SCK
SCS
SCH
SCP
CC
SCDE
SCDV
RH
RD
SCDH
TDE
TDV
SCDD
RDV
28
ADSP-21mod980N
Description
SCLK Period
DR/TFS/RFS Setup before SCLK Low
DR/TFS/RFS Hold after SCLK Low
SCLKIN Width
CLKOUT High to SCLKOUT
SCLK High to DT Enable
SCLK High to DT Valid
TFS/RFSOUT Hold after SCLK High
TFS/RFSOUT Delay from SCLK High
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
PRELIMINARY TECHNICAL DATA
For current information contact Analog Devices at (800) ANALOGD
Min.
30
4
7
12
0.25t
0
0
0
0
CK
Max
0.25t
12
12
12
12
12
CK
+ 6
6/2001 REV. PrB
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns