參數(shù)資料
型號: ADSP-2185LKST-133
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: 24-BIT, 26.3 MHz, OTHER DSP, PQFP100
封裝: MS-026BED, LQFP-100
文件頁數(shù): 23/31頁
文件大小: 223K
代理商: ADSP-2185LKST-133
ADSP-2185L
–23–
REV. A
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
15
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
0.25t
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
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 24. Serial Ports
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