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DM385 Datasheet(PDF) 173 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) 173 Page - Texas Instruments

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EMAC[x]_MTCLK
2
3
1
4
4
EMAC[x]_MRCLK
2
3
1
4
4
DM385, DM388
www.ti.com
SPRS821D – MARCH 2013 – REVISED DECEMBER 2013
8.6.2
EMAC Electrical Data/Timing
8.6.2.1
EMAC MII and GMII Electrical Data/Timing
GMII mode is not supported for OPP50.
Table 8-11. Timing Requirements for EMAC[x]_MRCLK - [G]MII Operation
(see Figure 8-9)
OPP100/OPP120/Turbo/Nitro
1000 Mbps (1 Gbps)
100 Mbps
10 Mbps
NO.
UNIT
(GMII Only)
MIN
MAX
MIN
MAX
MIN
MAX
1
tc(MRCLK)
Cycle time, EMAC[x]_MRCLK
8
40
400
ns
Pulse duration,
2
tw(MRCLKH)
2.8
14
140
ns
EMAC[x]_MRCLK high
Pulse duration,
3
tw(MRCLKL)
2.8
14
140
ns
EMAC[x]_MRCLK low
Transition time,
4
tt(MRCLK)
1
3
3
ns
EMAC[x]_MRCLK
Figure 8-9. EMAC[x]_MRCLK Timing (EMAC Receive) - [G]MII Operation
Table 8-12. Timing Requirements for EMAC[x]_MTCLK - [G]MII Operation
(see Figure 8-14)
OPP100/OPP120/Turbo/Nitro
1000 Mbps (1 Gbps)
100 Mbps
10 Mbps
NO.
UNIT
(GMII Only)
MIN
MAX
MIN
MAX
MIN
MAX
1
tc(MTCLK)
Cycle time, EMAC[x]_MTCLK
8
40
400
ns
Pulse duration,
2
tw(MTCLKH)
2.8
14
140
ns
EMAC[x]_MTCLK high
Pulse duration,
3
tw(MTCLKL)
2.8
14
140
ns
EMAC[x]_MTCLK low
Transition time,
4
tt(MTCLK)
1
3
3
ns
EMAC[x]_MTCLK
Figure 8-10. EMAC[x]_MTCLK Timing (EMAC Transmit) - [G]MII Operation
Copyright © 2013, Texas Instruments Incorporated
Peripheral Information and Timings
173
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Product Folder Links: DM385 DM388



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