參數(shù)資料
型號: ADM7008
廠商: Electronic Theatre Controls, Inc.
英文描述: Octal Ethernet 10/100M PHY
中文描述: 八路個(gè)10/100M以太網(wǎng)物理層
文件頁數(shù): 48/92頁
文件大?。?/td> 981K
代理商: ADM7008
ADM7008
Function Description
to low and placing a pull up resistor on CRSDV_P6. In this mode, CRSDV_P[3]
becomes RX_SYNC, CRSDV_P4 becomes RXCLK and TXEN_P4 acts as TX_SYNC.
Figure 3-11 SMII Signal Diagram
Figure 3-12 SS_SMII Signal Diagram
3.2.7 100M Receive Path
Received data and control information is grouped in 10-bit segments that are delimited by
the SYNC signal in SMII mode (or SYNC_RX in SS_SMII mode) as shown in figure 15.
Each segment represents a new byte of data.
Figure 3-13 100M SMII Receive Timing Diagram
In SS_SMII mode, REFCLK and SYNC are no longer common for both transmit and
receive blocks. They are renamed to RXCLK and RX_SYNC.
Figure 3-14 100M SS_SMII Receive Timing Diagram
ADMtek Inc.
3-18
REFCLK
RXD_P
SYNC
RXD7 CRS RXDV RXD0 RXD1 RXD2 RXD3 RXD4
RXD6 RXD7
RXD5
CRS RXDV RXD0 RXD1 RXD2 RXD3 RXD4
RXD6 RXD7
RXD5
CRS RXDV RXD0 RXD1 RXD2
MAC
PHY
SYNC
TXD0_P[7:0]
RXD0_P[7:0]
REFCLK
MAC
PHY
TXCLK_SSMII
SYNC_TX
TXD0_P[7:0]
RXCLK_SSMII
SYNC_RX
RXD0_P[7:0]
RXCLK_SSMII
RXD_P
SYNC_RX
RXD7 CRS
RXD
V
RXD0 RXD1 RXD2 RXD3 RXD4
RXD6 RXD7
RXD5
CRS
RXD
V
RXD0 RXD1 RXD2 RXD3 RXD4
RXD6 RXD7
RXD5
CRS
RXD
V
RXD0 RXD1 RXD2
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