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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS320DM647 датащи(PDF) 163 Page - Texas Instruments |
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TMS320DM647 датащи(HTML) 163 Page - Texas Instruments |
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163 / 190 page  SGMII 0 GMIIport0 Gigabit MAC 0 SGMII1 (A) GMIIport1 2 2 2 AddrLookup Engine SGMII Port0 HostDMA Controller 3-port Gigabit Switch Gigabit MAC 1 Buffer Descriptor Memory Configuration Registers REFCLK 2 2 SGMII Port1 MII Serial Mgmt Peripheral Bus MDIO Configuration Bus Configuration Bus DSP Interrupt Controller TMS320DM647 TMS320DM648 www.ti.com SPRS372H – MAY 2007 – REVISED APRIL 2012 • VLAN support – 802.1Q compliant • Auto add port VLAN for untagged frames on ingress • Auto VLAN removal on egress and auto pad to minimum frame size – Flow control (IEEE 802.3x) – Programmable priority escalation to specify delivery of lower priority level packets in the event of over-subscribed TX high priority traffic – Host pass CRC mode (enables CRC protection through host) – Write-protect option for Ethernet module registers (3PGSW, CPPI RAM, MDIO, SGMII0, SGMII1, control) – Ethernet statistics: • EtherStats and 802.3 Stats RMON statistics gathering (shared) • Programmable statistics interrupt mask when a statistic is above one half its 32-bit value – MDIO module for PHY management – SGMII gigabit current mode logic (CML) differential SERializer/DESerializer (SerDes) I/O receiver/transmitters • Adaptive active equalization for superior data dependent jitter tolerance in the presence of a lossy channel • Loss of signal detector with programmable threshold levels in receive channels • Integrated receiver and transmitter termination • IEEE 802.3 gigabit Ethernet conformant 6.19.1 Ethernet Subsystem Functions A. SGMII port 1 is not available on DM647. Figure 6-51. Ethernet Subsystem Block Diagram Copyright © 2007–2012, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 163 Submit Documentation Feedback Product Folder Link(s): TMS320DM647 TMS320DM648 |
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