參數(shù)資料
型號(hào): 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(yè)數(shù): 45/92頁(yè)
文件大?。?/td> 981K
代理商: ADM7008
ADM7008
Function Description
de-asserted, CRSDV_P is de-asserted synchronously to REFCLK.
REFCLK
RXD
CRSDV
00
00
00
00
00
00
01
01
01
01
01
11
Data Data
Data Data Data Data Data Data Data
00
RXER
Carrier Sense
Detected
00
00
Preamble
SFD
Carrier
Deasserted
Data
Figure 3-5 RMII Reception Without Error
Figure 3-6 RMII Reception with False Carrier (100M Only)
A receive symbol error event is shown in Figure 3-7. The packet with the symbol error is
treated as if it were a valid packet with the exception that all di-bits are substituted with
the (01) pattern
.
Figure 3-7 RMII Reception with Symbol Error
ADMtek Inc.
3-15
REFCLK
RXD_P
CRSDV_P
00
00
00
00
10
11
10
11
10
11
10
11
10
11
10
00
00
00
00
00
00
00
RXER_P
Carrier Sense
Detected
00
00
False Carrier
Carrier
Deasserted
False Carrier
Detected
REFCLK
RXD_P
CRSDV_P
00
00
00
00
00
00
01
01
Data Data
00
RXER_P
Carrier Sense
Detected
00
00
Carrier
Deasserted
Error Data
01
01
01
01
01
01
01
01
01
01
01
RX Error
Detected
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