參數(shù)資料
型號(hào): ADSP-2165KS-100
廠商: ANALOG DEVICES INC
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: DSP Microcomputers with ROM
中文描述: 24-BIT, 25 MHz, OTHER DSP, PQFP80
封裝: PLASTIC, MQFP-80
文件頁(yè)數(shù): 27/39頁(yè)
文件大?。?/td> 243K
代理商: ADSP-2165KS-100
REV. 0
ADSP-216x
–27–
TIMING PARAMETERS (ADSP-2161/ADSP-2163/ADSP-2165)
SERIAL PORTS
13.824 MHz*
Min
Frequency Dependency
Min
Parameter
Max
Max
Unit
Timing Requirements:
t
SCK
t
SCS
t
SCH
t
SCP
Switching Characteristics:
t
CC
t
SCDE
t
SCDV
t
RH
t
RD
t
SCDH
t
TDE
t
TDV
t
SCDD
t
RDV
SCLK Period
DR/TFS/RFS Setup Before SCLK Low
DR/TFS/RFS Hold After SCLK Low
SCLK
IN
Width
72.3
8
10
28
72.3
8
10
28
ns
ns
ns
ns
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
18.1
0
33.1
0.25t
CK
0
0.25t
CK
+ 15
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20
20
0
0
20
20
0
0
0
0
18
25
20
18
25
20
*Maximum serial port operating frequency is 13.824 MHz for all processor speed grades.
CLKOUT
SCLK
DT
t
CC
t
CC
t
SCS
t
SCH
t
RH
t
SCDE
t
SCDH
t
SCDD
t
TDE
t
RDV
DR
TFS
IN
RFS
IN
RFS
OUT
TFS
OUT
t
TDV
t
SCDV
t
RD
t
SCP
t
SCK
t
SCP
(ALTERNATE
FRAME MODE)
RFS
(MULTICHANNEL MODE,
FRAME DELAY 0 {MFD = 0})
Figure 26. Serial Ports
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