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): 96/116頁
文件大?。?/td> 1485K
代理商: TMS320C241FNS
TMS320F243, TMS320F241
DSP CONTROLLERS
SPRS064B – DECEMBER 1997 – REVISED FEBRUARY 1999
96
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
external memory interface writetimings
switching characteristics over recommended operating conditions for an external memory
interface write [H = 0.5t
c(CO)
] (see Figure 39)
PARAMETER
MIN
MAX
UNIT
td(COH–CNTL)
td(COH–CNTH)
td(COH–A)W
td(COH–RWL)
Delay time, CLKOUT high to control valid
9
ns
Delay time, CLKOUT high to control inactive
9
ns
Delay time, CLKOUT high to address valid
11
ns
Delay time, CLKOUT high to R/W low
6
ns
td(COH–RWH)
Delay time, CLKOUT high to R/W high
6
ns
td(COL–WL)
Delay time, CLKOUT low to WE strobe active low
–4
0
ns
td(COL–WH)
Delay time, CLKOUT low to WE strobe inactive high
–4
0
ns
ten(D)COL
Enable time, data bus driven from CLKOUT low
7
ns
td(COL–SL)
Delay time, CLKOUT low to STRB active low
3
ns
td(COL–SH)
Delay time, CLKOUT low to STRB inactive high
3
ns
th(A)COHW
tsu(A)W
tsu(D)W
th(D)W
Hold time, address valid after CLKOUT high
H–1
ns
Setup time, address valid before WE strobe active low
H–9
ns
Setup time, write data before WE strobe inactive high
2H–1
ns
Hold time, write data after WE strobe inactive high
3
ns
tdis(W-D)
Disable time, data bus high impedance from WE high
4
ns
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