參數(shù)資料
型號: ADSP-2100A
廠商: Analog Devices, Inc.
英文描述: ADSP-2100 Family DSP Microcomputers
中文描述: 的ADSP - 2100系列DSP的微機
文件頁數(shù): 35/64頁
文件大?。?/td> 668K
代理商: ADSP-2100A
ADSP-21xx
REV. B
–35–
Frequency
Dependency
Min
12.5 MHz
Min Max
13.0 MHz
Min Max
13.824 MHz*
Min
Max
Parameter
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
80
8
10
30
76.9
8
10
28
72.3
8
10
28
ns
ns
ns
ns
20
0
35
19.2 34.2
0
18.1
0
33.1
0.25t
CK
0.25t
CK
+ 15ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20
20
20
0
0
0
20
20
20
0
0
0
0
0
0
18
25
20
18
25
20
18
25
20
*Maximum serial port operating frequency is 13.824 MHz for all processor speed grades except the 12.5 MHz ADSP-2101 and 13.0 MHz ADSP-2111.
TIMNGPARAMETERS (ADSP-2101/2105/2111/2115/2161/2163)
SE RIAL PORT S
CLKOUT
SCLK
TFS
RFS
DR
RFS
IN
TFS
IN
DT
( ALTERNATE
FRAME MODE )
t
CC
t
CC
t
SCK
t
SCP
t
SCP
t
SCS
t
SCH
t
RD
t
RH
RFS
OUT
TFS
OUT
t
SCDV
t
SCDE
t
SCDH
t
SCDD
t
TDE
t
TDV
t
RDV
( MULTICHANNEL MODE,
FRAME DELAY 0 {MFD = 0} )
Figure 34. Serial Ports
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