參數(shù)資料
型號: 2184
廠商: Analog Devices, Inc.
元件分類: 數(shù)字信號處理
英文描述: DSP Microcomputer
中文描述: DSP微機(jī)
文件頁數(shù): 20/31頁
文件大?。?/td> 213K
代理商: 2184
ADSP-2184
TIMING PARAMETERS
–20–
REV. 0
Parameter
Min
Max
Unit
Serial Ports
Timing Requirements
:
t
SCK
t
SCS
t
SCH
t
SCP
SCLK Period
DR/TFS/RFS Setup before SCLK Low
DR/TFS/RFS Hold after SCLK Low
SCLK
IN
Width
50
4
8
20
ns
ns
ns
ns
Switching Characteristics
:
t
CC
t
SCDE
t
SCDV
t
RH
t
RD
t
SCDH
t
TDE
t
TDV
t
SCDD
t
RDV
CLKOUT High to SCLK
OUT
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
0.25 t
CK
0
0.25 t
CK
+ 10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
15
0
15
0
0
14
15
15
CLKOUT
SCLK
TFS
OUT
ALTERNATE
FRAME MODE
RFS
OUT
DT
t
CC
t
CC
t
SCS
t
SCH
t
RH
t
SCDE
t
SCDH
t
SCDD
t
TDE
t
RDV
MULTICHANNEL
MODE,
FRAME DELAY 0
(MFD = 0)
DR
TFS
IN
RFS
IN
RFS
OUT
TFS
OUT
t
TDV
t
SCDV
t
RD
t
SCP
t
SCK
t
SCP
TFS
IN
RFS
IN
ALTERNATE
FRAME MODE
t
RDV
MULTICHANNEL
MODE,
FRAME DELAY 0
(MFD = 0)
t
TDV
t
TDE
Figure 14. Serial Ports
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