參數(shù)資料
型號: TMX320VC5421
廠商: Texas Instruments, Inc.
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): 70/88頁
文件大小: 1156K
代理商: TMX320VC5421
TMS320VC5421
DIGITAL SIGNAL PROCESSOR
SPRS098 – DECEMBER 1999
70
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
multichannel buffered serial port timing
timing requirements for the McBSP
[H=0.5t
c(CO)
] (see Figure 39 and Figure 40)
MIN
MAX
UNIT
tc(BCKRX)
tw(BCKRX)
Cycle time, BCLKR/X
BCLKR/X ext
4H
ns
Pulse duration, BCLKR/X low or BCLKR/X high
BCLKR/X ext
6
ns
th(BCKRL-BFRH)
Hold time external BFSR high after BCLKR low
Hold time, external BFSR high after BCLKR low
BCLKR int
0
ns
BCLKR ext
4
th(BCKRL-BDRV)
Hold time BDR valid after BCLKR low
Hold time, BDR valid after BCLKR low
BCLKR int
0
ns
BCLKR ext
5
th(BCKXL-BFXH)
Hold time external BFSX high after BCLKX low
Hold time, external BFSX high after BCLKX low
BCLKX int
0
ns
BCLKX ext
4
tsu(BFRH-BCKRL)
Setup time external BFSR high before BCLKR low
Setup time, external BFSR high before BCLKR low
BCLKR int
10
ns
BCLKR ext
4
tsu(BDRV-BCKRL)
Setup time BDR valid before BCLKR low
Setup time, BDR valid before BCLKR low
BCLKR int
10
ns
BCLKR ext
3
tsu(BFXH-BCKXL)
Setup time external BFSX high before BCLKX low
Setup time, external BFSX high before BCLKX low
BCLKX int
10
ns
BCLKX ext
6
tr(BCKRX)
tf(BCKRX)
Polarity bits CLKRP = CLKXP = FSRP = FSXP = 0. If the polarity of any of the signals is inverted, then the timing references of
that signal are
also inverted.
Rise time, BCLKR/X
BCLKR/X ext
8
ns
Fall time, BCLKR/X
BCLKR/X ext
8
ns
A
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