HD6417618 datasheet(289/646 Pages) RENESAS

289 / 646 page

Section 11 Ethernet Controller (EtherC)

Rev. 6.00 Jun. 12, 2007 Page 257 of 610

REJ09B0131-0600

Manual PAUSE Frame Transmission: PAUSE frames are transmitted by directives from the

software. When writing the Timer value to the manual PAUSE frame set register (MPR), manual

PAUSE frame transmission is started. With this method, PAUSE frame transmission is carried out

only once.

PAUSE Frame Reception: The next frame is not transmitted until the time indicated by the

Timer value elapses after receiving a PAUSE frame. However, the transmission of the current

frame is continued. A received PAUSE frame is valid only when the RXF bit in the EtherC mode

11.5

Connection to PHY-LSI

Figure 11.8 shows an example of connection to a DP83846AVHG (National Semiconductor

Corporation).

TX-ER

MII_TXD3

MII_TXD2

MII_TXD1

MII_TXD0

TX-EN

TX-CLK

MDC

MDIO

MII_RXD3

MII_RXD2

MII_RXD1

MII_RXD0

RX-CLK

CRS

COL

RX-DV

RX-ER

TX_ER

TXD3

TXD2

TXD1

TXD0

TX_EN

TX_CLK

MDC

MDIO

RXD3

RXD2

RXD1

RXD0

RX_CLK

CRS

COL

RX_DV

RX_ER

This LSI

DP83846AVHG

MII (Media independent interface)

Figure 11.8 Example of Connection to DP83846AVHG

HD6417618 Datasheet(PDF) 289 Page - Renesas Technology Corp

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