參數(shù)資料
型號: MC92604ZT
廠商: Freescale Semiconductor
文件頁數(shù): 51/122頁
文件大?。?/td> 0K
描述: IC TXRX ETH DUAL GIG 196-MAPBGA
標(biāo)準(zhǔn)包裝: 630
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 2/2
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: 196-LBGA
供應(yīng)商設(shè)備封裝: 196-MAPBGA(15x15)
包裝: 托盤
Transmitter
MC92604 Dual Gigabit Ethernet Transceiver Reference Manual, Rev. 1
2-12
Freescale Semiconductor
2.6
Transmitter Redundant Link Operation
The MC92604 is configured as a single channel SerDes, with redundant link input and outputs, if the
enable redundancy signal, ENAB_RED, is asserted high. Only the data interface to channels A will accept
data to be transmitted. This data will be transmitted over the appropriate link as specified by the
BROADCAST and XCVR_RSEL inputs as shown in Table 2-9.
NOTE
When operating in the redundancy mode, the B input signals
(XMIT_B_---), should be terminated low.
XCVR_RSEL selects the primary or secondary link I/Os. The BROADCAST control signal enables both
channel A and B link outputs to transmit data at their data interface, while enabling the receiver links to
receive serial data defined by the XCVR_RSEL control signal. See Section 3.3.6, “Receiver Redundant
Link Operation,for more on receiver redundancy.
Table 2-9. Transmit Redundant Link Operation
ENAB_RED BROADCAST XCVR_RSEL
Action
0
Do Not Care
Data transmitted over XLINK_A_P/XLINK_A_N
1
0
Data transmitted over XLINK_A_P/XLINK_A_N
1
0
1
Data transmitted over XLINK_B_P/XLINK_B_N
1
Do Not Care
Data transmitted over XLINK_A_P/XLINK_A_N and XLINK_B_P /
XLINK_B_N
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