參數(shù)資料
型號: TMX320C6414TGLZ
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: FIXED-POINT DIGITAL SIGNAL PROCESSORS
中文描述: 定點數(shù)字信號處理器
文件頁數(shù): 117/140頁
文件大小: 2033K
代理商: TMX320C6414TGLZ
SPRS226H NOVEMBER 2003 REVISED AUGUST 2005
117
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
MULTICHANNEL BUFFERED SERIAL PORT (McBSP) TIMING
timing requirements for McBSP
(see Figure 51)
NO.
600
720
850
1G
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
must
be met, even when CLKR/X is generated by an internal clock source. 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 600 MHz, use P = 1.67 ns.
Use whichever value is greater.
#This parameter applies to the maximum McBSP frequency. Operate serial clocks (CLKR/X) in the reasonable range of 40/60 duty cycle.
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