參數(shù)資料
型號: TMS320C241FNS
元件分類: 數(shù)字信號處理
英文描述: 16-Bit Digital Signal Processor
中文描述: 16位數(shù)字信號處理器
文件頁數(shù): 99/116頁
文件大?。?/td> 1485K
代理商: TMS320C241FNS
TMS320F243, TMS320F241
DSP CONTROLLERS
SPRS064B – DECEMBER 1997 – REVISED FEBRUARY 1999
99
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
external memory interface ready-on-write timings
switching characteristics over recommended operating conditions for an external memory
interface ready-on-write (see Figure 41)
PARAMETER
MIN
MAX
UNIT
td(COH–A)W
Delay time, CLKOUT high to address valid
11
ns
timing requirements for an external memory interface ready-on-write [H = 0.5t
c(CO)
]
(see Figure 41)
MIN
MAX
UNIT
th(RDY)COH
Hold time, READY after CLKOUT high
–5
ns
tsu(D)W
tv(RDY)AW
tsu(RDY)COH
Setup time, write data before WE strobe inactive high
2H–1
2H
ns
Valid time, READY after address valid on write
4
ns
Setup time, READY before CLKOUT high
17
ns
tsu(D)W
CLKOUT
PS, DS, IS, BR
td(COH–A)W
A[0:15]
WE
D[0:15]
STRB
tsu(RDY)COH
th(RDY)COH
READY
tv(RDY)AW
Wait Cycle
Figure 41. Ready-on-Write Timings
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