參數(shù)資料
型號: ADSP-2141LKS-N1
廠商: ANALOG DEVICES INC
元件分類: 加密電路
英文描述: DSP
中文描述: TELECOM, DATA ENCRYPTION CIRCUIT, PQFP208
封裝: METRIC, PLASTIC, QFP-208
文件頁數(shù): 27/39頁
文件大?。?/td> 257K
代理商: ADSP-2141LKS-N1
REV. 0
ADSP-2141L
–27–
Parameter
Min
Max
Unit
Serial Ports
Timing Requirements:
t
SCK
t
SCS
t
SCH
t
SCP
Switching Characteristics:
t
CC
t
SCDE
t
SCDV
t
RH
t
RD
t
SCDH
t
TDE
t
TDV
t
SCDD
t
RDV
SCLK Period
DR/TFS/RFS Setup Before SCLK Low
DR/TFS/RFS Hold After SCLK Low
SCLK
IN
Width
50
4
7
15
ns
ns
ns
ns
CLKOUT High to SCLKOUT
SCLK High to DT Enable
SCLK High to DT Valid
TFS/RFS
OUT
Hold After SCLK High
TFS/RFS
OUT
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
0.25t
CK
0
0.25t
CK
+ 10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
15
0
15
0
0
14
15
15
CLKOUT
t
CC
t
SCH
t
CC
t
SCK
t
SCP
t
SCP
t
SCS
t
RD
t
RH
t
SCDV
t
SCDE
t
SCDD
t
SCDH
t
TDE
t
TDV
t
RDV
t
TDE
t
TDV
t
RDV
SCLK
DR
TFS
IN
RFS
IN
RFS
OUT
TFS
OUT
DT
TFS
OUT
ALTERNATE
FRAME MODE
RFS
OUT
MULTICHANNEL MODE
FRAME DELAY 0
(MFD = 0)
TFS
IN
ALTERNATE
FRAME MODE
RFS
IN
MULTICHANNEL MODE
FRAME DELAY 0
(MFD = 0)
Figure 17. Serial Ports
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