參數(shù)資料
型號: TMX32C6411AGLZ
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: FIXED POINT DIGITAL SIGNAL PROCESSOR
中文描述: 定點數(shù)字信號處理器
文件頁數(shù): 102/119頁
文件大?。?/td> 1742K
代理商: TMX32C6411AGLZ
SPRS196H MARCH 2002 REVISED JULY 2004
102
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
MULTICHANNEL BUFFERED SERIAL PORT (McBSP) TIMING
timing requirements for McBSP
(see Figure 51)
NO.
300
UNIT
MIN
4P or 6.67§
0.5tc(CKRX) 1#
9
MAX
2
tc(CKRX)
tw(CKRX)
Cycle time, CLKR/X
CLKR/X ext
ns
3
Pulse duration, CLKR/X high or CLKR/X low
CLKR/X ext
ns
5
tsu(FRH-CKRL)
Setup time, external FSR high before CLKR low
CLKR int
ns
CLKR ext
1.3
6
th(CKRL-FRH)
Hold time, external FSR high after CLKR low
CLKR int
6
ns
CLKR ext
3
7
tsu(DRV-CKRL)
Setup time, DR valid before CLKR low
CLKR int
8
ns
CLKR ext
0.9
8
th(CKRL-DRV)
Hold time, DR valid after CLKR low
CLKR int
3
ns
CLKR ext
3.1
10
tsu(FXH-CKXL)
Setup time, external FSX high before CLKX low
CLKX int
9
ns
CLKX ext
1.3
11
th(CKXL-FXH)
Hold time, external FSX high after CLKX low
CLKX int
CLKX ext
6
3
ns
CLKRP = CLKXP = FSRP = FSXP = 0. If polarity of any of the signals is inverted, then the timing references of that signal are also inverted.
Minimum CLKR/X cycle times are based on internal logic speed; the maximum usable speed may be lower due to EDMA limitations and AC timing
requirements.
§P = 1/CPU clock frequency in ns. For example, when running parts at 300 MHz, use P = 3.3 ns.
Use whichever value is greater.
#This parameter applies to the maximum McBSP frequency. Operate serial clocks (CLKR/X) in the resonable range of 40/60 duty cycle.
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