參數(shù)資料
型號: ADSP-2104KP-80
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: Low Cost DSP Microcomputers
中文描述: 24-BIT, 20 MHz, OTHER DSP, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 33/36頁
文件大?。?/td> 333K
代理商: ADSP-2104KP-80
ADSP-2104/ADSP-2109
REV. 0
–33–
TIMNGPARAMETERS (ADSP-2104L/ADSP-2109L)
SE RIAL PORT S
Frequency
Dependency
Min
13.824 MHz
Min
Parameter
Max
Max
Unit
Timing Requirement:
t
SCK
SCLK Period
t
SCS
DR/T FS/RFS Setup before SCLK Low
t
SCH
DR/T FS/RFS Hold after SCLK Low
t
SCP
SCLK
in
Width
Switching Characteristic:
t
CC
CLK OUT High to SCLK
out
t
SCDE
SCLK High to DT Enable
t
SCDV
SCLK High to DT Valid
t
RH
T FS/RFS
out
Hold after SCLK High
t
RD
T FS/RFS
out
Delay from SCLK High
t
SCDH
DT Hold after SCLK High
t
T DE
T FS (alt) to DT Enable
t
T DV
T FS (alt) to DT Valid
t
SCDD
SCLK High to DT Disable
t
RDV
RFS
(Multichannel, Frame Delay Zero)
to DT Valid
72.3
8
10
28
ns
ns
ns
ns
18.1
0
33.1
0.25t
CK
0.25t
CK
+ 15
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20
0
20
0
0
18
25
20
CLKOUT
SCLK
TFS
RFS
DR
RFS
IN
TFS
IN
DT
( ALTERNATE
FRAME MODE )
t
CC
t
CC
t
SCS
t
SCH
t
RD
t
RH
RFS
OUT
TFS
OUT
t
SCDV
t
SCDE
t
SCDH
t
SCDD
t
TDE
t
TDV
( MULTICHANNEL MODE,
FRAME DELAY 0 {MFD = 0} )
t
RDV
t
SCK
t
SCP
t
SCP
Figure 30. Serial Ports
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