參數(shù)資料
型號: TMS320C44PDB-60
英文描述: DSP|32-BIT|CMOS|QFP|304PIN|PLASTIC
中文描述: 數(shù)字信號處理器| 32位|的CMOS | QFP封裝| 304PIN |塑料
文件頁數(shù): 104/132頁
文件大?。?/td> 1707K
代理商: TMS320C44PDB-60
SPRS145G
JULY 2000
REVISED FEBRUARY 2002
104
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
external memory interface
write
timings (continued)
tdis(W-D)
td(COH
A)W
td(COH
RWL)
tsu(A)W
td(COL
WH)
WE
STRB
ten(D)COL
td(COL
WL)
th(A)COLW
td(COH
CNTL)
td(COH
CNTH)
CLKOUT
A[0:15]
R/W
PS, DS, IS
td(COH
CNTL)
td(COH
RWH)
td(COL
WL)
td(COL
WH)
th(D)W
tsu(D)W
ten(D)COL
td(COL
SH)
CLKOUT
ENA_144
VIS_OE
th(D)W
td(COL
SL)
NOTE A: VIS_OE will be visible at pin 97 of LF2407A when ENA_144 is low along with BVIS bits (10,9 of WSGR register
FFFFh@I/O) set to
10 or 11. CLKOUT and VIS_OE indicate internal memory write cycles (program/data). During VIS_OE cycles, the external bus will be
driven. CLKOUT is to be used along with VIS_OE for trace capabilities.
Figure 45. Memory Interface Write/Write Timings
tsu(D)W
td(COL
SL)
D[0:15]
td(COL
SH)
2H
2H
W/R
td(WRN)
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