ADM7001XACT1XP Lantiq, ADM7001XACT1XP Datasheet - Page 35
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ADM7001XACT1XP
Manufacturer Part Number
ADM7001XACT1XP
Description
Manufacturer
Lantiq
Datasheet
1.ADM7001XACT1XP.pdf
(92 pages)
Specifications of ADM7001XACT1XP
Lead Free Status / RoHS Status
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Figure 7
A receive symbol error event is shown in
packet with the exception that all di-bits are substituted with the (01) pattern.
Figure 8
3.2.3
Figure 9
In 10M Mode, RXER will maintain low all the time due to False Carrier and symbol error is not supported by 10M
Mode. Different from 100M mode, RXD and CRSDV can transit once per 10 REFCLK cycles. After carrier sense
is de-asserted yet the FIFO data is not fully presented onto RXD, the CRSDV de-assertion and re-assertion also
follow this rule.
3.2.4
Figure 10
TXD[1:0] are synchronous to REFCLK. When TXEN is asserted, it indicates that TXD[1:0] contains valid data to
be transmitted. When TXEN is de-asserted, value on TXD[1:0] should be ignored. If an odd number of di-bits are
presented onto TXD[1:0] and TXEN, the final di-bit will be discarded by ADM7001.
Data Sheet
shows the relationship among REFCLK, TXEN and TXD[1:0] during a transmit event. TXEN and
RMII Reception with False Carrier (100M Only)
RMII Reception with Symbol Error
Receive Path for 10M
10M RMII Receive Diagram
Transmit Path for 100M
Figure
8. The packet with the symbol error is treated as if it were a valid
35
Function Description
Rev. 1.07, 2005-09-12
Data sheet
ADM7001
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