參數(shù)資料
型號： MC92603VF
廠商： Freescale Semiconductor
文件頁數(shù)： 63/126頁
文件大?。?/td> 0K
描述： IC TXRX ETH QUAD GIG 256-MAPBGA
標準包裝： 1
類型： 收發(fā)器
驅動器/接收器數(shù)： 4/4
規(guī)程： 千兆位以太網(wǎng)
電源電壓： 4.5 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 256-LBGA
供應商設備封裝： 256-MAPBGA
包裝： 托盤
Receiver
MC92603 Quad Gigabit Ethernet Transceiver Reference Manual, Rev. 1
Freescale Semiconductor
3-7
3.3.6
Receiver Redundant Link Operation
The MC92603 is configured as a dual channel SerDes with redundant links if the enable redundancy
signal, ENAB_RED, is high. Only channels A and B received data interfaces are active in this mode. This
data will be received from the appropriate link, as specified by the XCVR_A_RSEL and XCVR_B_RSEL
inputs shown in Table 3-2 and Table 3-3.
ENAB_RED is considered a basic configuration input, meaning that it is assumed ENAB_RED will not
change states during operation. If the state of ENAB_RED is changed, then the part must be reset.
XCVR_A_RSEL and XCVR_B_RSEL inputs may be changed at any time. However, when the state of
this input is changed, the channel will lose synchronization and require COMMAs in the data stream to
regain alignment.
3.4
Receiver Interface Configuration
The receiver interface facilitates transfer of received data to the system. Along with the data, information
is also provided on the status of the link. Table 3-1 describes the signals involved in the receiver
configuration and operation. The receiver interface, through which received data is obtained, may be
operated in five operating modes as described in Table 3-4.
The interface may be operated in the byte mode (8 bits) or in the 10-bit interface, TBI, mode. Received
data is a byte (8 bits) of uncoded data, when in the backplane byte or GMII modes. In these modes, the
Table 3-2. Receiver Channel A Redundant Link Operation
ENAB_RED
XCVR_A_RSEL
Action
0
Don’t care
Channel A data is received from RLINK_A_P / RLINK_A_N.
1
0
Channel A data is received from RLINK_A_P / RLINK_A_N.
1
Channel A data is received from RLINK_C_P / RLINK_C_N.
Table 3-3. Receiver Channel B Redundant Link Operation
ENAB_RED
XCVR_B_RSEL
Action
0
Don’t care
Channel B data is received from RLINK_B_P / RLINK_B_N.
1
0
Channel B data is received from RLINK_B_P / RLINK_B_N.
1
Channel B data is received from RLINK_D_P / RLINK_D_N.
Table 3-4. MC92603 Receiver Operating Modes (Common Features/Characteristics)
Operating Mode
BSYNC
COMPAT
TBIE
Backplane 10- or 5-bit coded data modes—non-aligned
Low
High
Backplane 10- or 5-bit coded data modes—aligned
High
Low
High
Backplane 8- or 4-bit byte modes
High
Low
GMII or RGMII compatible mode
High
Low
TBI or RTBI compatible mode
High
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