參數(shù)資料
型號: ADSP-21MOD980N
廠商: Analog Devices, Inc.
英文描述: MultiPort Internet Gateway Processor
中文描述: 通寶互聯(lián)網(wǎng)網(wǎng)關(guān)處理器
文件頁數(shù): 28/42頁
文件大?。?/td> 566K
代理商: ADSP-21MOD980N
28
6/2001
REV. PrB
For current information contact Analog Devices at (800) ANALOGD
ADSP-21mod980N
PRELIMINARY TECHNICAL DATA
Serial Ports
Table 11. Serial Ports
Parameter
Description
Min.
Max
Unit
Timing Requirements:
t
SCK
SCLK Period
30
ns
t
SCS
DR/TFS/RFS Setup before SCLK Low
4
ns
t
SCH
DR/TFS/RFS Hold after SCLK Low
7
ns
t
SCP
SCLKIN Width
12
ns
Switching Characteristics:
t
CC
CLKOUT High to SCLKOUT
0.25t
CK
0.25t
CK
+ 6
ns
t
SCDE
SCLK High to DT Enable
0
ns
t
SCDV
SCLK High to DT Valid
12
ns
t
RH
TFS/RFSOUT Hold after SCLK High
0
ns
t
RD
TFS/RFSOUT Delay from SCLK High
12
ns
t
SCDH
DT Hold after SCLK High
0
ns
t
TDE
TFS (Alt) to DT Enable
0
ns
t
TDV
TFS (Alt) to DT Valid
12
ns
t
SCDD
SCLK High to DT Disable
12
ns
t
RDV
RFS (Multichannel, Frame Delay Zero to DT Valid
12
ns
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