參數(shù)資料
型號: ADSP-2189NKSTZ-320
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Comm.
中文描述: 24-BIT, 40 MHz, OTHER DSP, PQFP100
封裝: LEAD FREE, MS-026BED, LQFP-100
文件頁數(shù): 27/48頁
文件大?。?/td> 2334K
代理商: ADSP-2189NKSTZ-320
ADSP-218xN
Rev. A
|
Page 33 of 48
|
August 2006
Serial Ports
Table 20. Serial Ports
Parameter
Min
Max
Unit
Timing Requirements:
tSCK
SCLK Period
30
ns
tSCS
DR/TFS/RFS Setup Before SCLK Low
4
ns
tSCH
DR/TFS/RFS Hold After SCLK Low
7
ns
tSCP
SCLKIN Width
12
ns
Switching Characteristics:
tCC
CLKOUT High to SCLKOUT
0.25tCK
0.25tCK + 6
ns
tSCDE
SCLK High to DT Enable
0
ns
tSCDV
SCLK High to DT Valid
7
ns
tRH
TFS/RFSOUT Hold after SCLK High
0
ns
tRD
TFS/RFSOUT Delay from SCLK High
7
ns
tSCDH
DT Hold after SCLK High
0
ns
tTDE
TFS (Alt) to DT Enable
0
ns
tTDV
TFS (Alt) to DT Valid
7
ns
tSCDD
SCLK High to DT Disable
7
ns
tRDV
RFS (Multichannel, Frame Delay Zero) to DT Valid
7
ns
Figure 31. Serial Ports
CLKOUT
SCLK
TFSOUT
RFSOUT
DT
A LTERN ATE
FRA M E
MOD E
t
CC
t
CC
t
SC S
t
SC H
t
RH
t
SCD E
t
SC D H
t
SC DD
t
TD E
tRDV
MU LTICHANNE L
MODE ,
FRAME DE LAY 0
(MFD = 0 )
DR
TFSIN
RFSIN
RFSOUT
TFSOUT
t
TD V
t
SC D V
t
RD
t
SCP
t
SC K
TFSIN
RFSIN
ALTE RNATE
FR A ME
MO DE
t
RDV
MU LTICHANNE L
MODE ,
FRAME DE LAY 0
(MFD = 0 )
tTDV
t
TD E
t
SC P
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