参数资料
型号: TMS320C6415TBZLZ8
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 64-BIT, 75.18 MHz, OTHER DSP, PBGA532
封装: 23 X 23 MM, 0.80 MM PITCH, PLASTIC, BGA-532
文件页数: 21/142页
文件大小: 2106K
代理商: TMS320C6415TBZLZ8
TMS320C6414T, TMS320C6415T, TMS320C6416T
FIXEDPOINT DIGITAL SIGNAL PROCESSORS
SPRS226M NOVEMBER 2003 REVISED APRIL 2009
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
MAX
2
tc(CKRX)
Cycle time, CLKR/X
CLKR/X ext
4P or 6.67§
ns
3
tw(CKRX)
Pulse duration, CLKR/X high or CLKR/X low
CLKR/X ext
0.5tc(CKRX) 1#
ns
5
tsu(FRH-CKRL)
Setup time, external FSR high before CLKR low
CLKR int
9
ns
5
tsu(FRH-CKRL)
Setup time, external FSR high before CLKR low
CLKR ext
1.3
ns
6
th(CKRL-FRH)
Hold time, external FSR high after CLKR low
CLKR int
6
ns
6
th(CKRL-FRH)
Hold time, external FSR high after CLKR low
CLKR ext
3
ns
7
tsu(DRV-CKRL)
Setup time, DR valid before CLKR low
CLKR int
8
ns
7
tsu(DRV-CKRL)
Setup time, DR valid before CLKR low
CLKR ext
0.9
ns
8
th(CKRL-DRV)
Hold time, DR valid after CLKR low
CLKR int
3
ns
8
th(CKRL-DRV)
Hold time, DR valid after CLKR low
CLKR ext
3.1
ns
10
tsu(FXH-CKXL)
Setup time, external FSX high before CLKX low
CLKX int
9
ns
10
tsu(FXH-CKXL)
Setup time, external FSX high before CLKX low
CLKX ext
1.3
ns
11
th(CKXL-FXH)
Hold time, external FSX high after CLKX low
CLKX int
6
ns
11
th(CKXL-FXH)
Hold time, external FSX high after CLKX low
CLKX ext
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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