參數(shù)資料
型號: ADSP2185
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
文件頁數(shù): 22/32頁
文件大?。?/td> 289K
代理商: ADSP2185
ADSP-2185
REV. 0
–22–
Parameter
Min
Max
Unit
Serial Ports
Timing Requirements
:
t
SCK
t
SCS
t
SCH
t
SCP
SCLK Period
DR/T FS/RFS Setup before SCLK Low
DR/T FS/RFS Hold after SCLK Low
SCLK
IN
Width
50
4
7
20
ns
ns
ns
ns
Switching Characteristics
:
t
CC
t
SCDE
t
SCDV
t
RH
t
RD
t
SCDH
t
T DE
t
T DV
t
SCDD
t
RDV
CLK OUT High to SCLK
OUT
SCLK High to DT Enable
SCLK High to DT Valid
T FS/RFS
OUT
Hold after SCLK High
T FS/RFS
OUT
Delay from SCLK High
DT Hold after SCLK High
T FS (Alt) to DT Enable
T FS (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
RFS
OUT
DT
ALTERNATE
FRAME MODE
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 19. Serial Ports
相關PDF資料
PDF描述
ADSP2186 DSP Microcomputer
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