參數(shù)資料
型號: TMS320C209-57
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processor
中文描述: 數(shù)字信號處理器
文件頁數(shù): 108/132頁
文件大?。?/td> 1707K
代理商: TMS320C209-57
SPRS145G
JULY 2000
REVISED FEBRUARY 2002
108
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
external memory interface
ready-on-write
timings (continued)
timing requirements for an external memory interface ready-on-write with one software wait state
and one external wait state (see Figure 49)
MIN
MAX
UNIT
th(RDY)COH
Hold time, READY after CLKOUT high
H
2.5
ns
tsu(RDY)COH
Setup time, READY before CLKOUT high
H
9.5
ns
td(COH-A)W
Delay time, CLKOUT high to address valid
10
ns
PS, DS, IS
READY
WE
SW = 1 cycle
EXW = 1 cycle
Write Cycle
D[0:15]
STRB
th(RDY)COH
tsu(RDY)COH
CLKOUT
R/W
td(COH
A)W
A[0:15]
Figure 49. Ready-on-Write Timings With One Software Wait (SW) State and
One External Wait (EXW) State
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