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DM385 Datasheet(PDF) 153 Page - Texas Instruments

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Part # DM385
Description  DM385 and DM388 DaVinci??Digital Media Processor
PDF  281 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DM385 Datasheet(HTML) 153 Page - Texas Instruments

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CLKOUTx
(Divide-by-1)
1
2
4
4
3
CLKIN32
2
3
4
4
5
1
1
DM385, DM388
www.ti.com
SPRS821D – MARCH 2013 – REVISED DECEMBER 2013
Table 7-16. Timing Requirements for CLKIN32 (1)(2) (see Figure 7-15)
OPP100
NO.
UNIT
MIN
NOM
MAX
1
tc(CLKIN32)
Cycle time, CLKIN32
1/32768
s
2
tw(CLKIN32H)
Pulse duration, CLKIN32 high
0.45C
0.55C
ns
3
tw(CKIN32L)
Pulse duration, CLKIN32 low
0.45C
0.55C
ns
4
tt(CLKIN32)
Transition time, CLKIN32
7
ns
5
tJ(CLKIN32)
Period jitter, CLKIN32
0.02C
ns
(1)
The reference points for the rise and fall transitions are measured at VIL MAX and VIH MIN.
(2)
C = CLKIN32 cycle time in ns. For example, when CLKIN32 frequency is 32768 Hz, use C = 1/32768 s.
Figure 7-15. CLKIN32 Timing
Table 7-17. Switching Characteristics Over Recommended Operating Conditions for CLKOUTx (CLKOUT0
and CLKOUT1)(1) (2)
(see Figure 7-16)
OPP100
NO.
PARAMETER
UNIT
MIN
MAX
1
tc(CLKOUTx)
Cycle time, CLKOUTx
5
ns
2
tw(CLKOUTxH)
Pulse duration, CLKOUTx high
0.45P
0.55P
ns
3
tw(CLKOUTxL)
Pulse duration, CLKOUTx low
0.45P
0.55P
ns
4
tt(CLKOUTx)
Transition time, CLKOUTx
0.05P
ns
(1)
The reference points for the rise and fall transitions are measured at VOL MAX and VOH MIN.
(2)
P = 1/CLKOUTx clock frequency in nanoseconds (ns). For example, when CLKOUTx frequency is 200 MHz, use P = 5 ns.
Figure 7-16. CLKOUTx Timing
Copyright © 2013, Texas Instruments Incorporated
Power, Reset, Clocking, and Interrupts
153
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Product Folder Links: DM385 DM388



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