PXB4340E Datasheet, PDF (137/185 Pages) Infineon Technologies AG – ICs for Communications

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However, although 48 PHYs could be polled by this configuration only up to 24 PHY are
supported.
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25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
25.6 Mbit/s
PHY0
Port 0..5
device 0
Adr 0..5
PHY1
Port 6..11
device 1
Adr 0..5
PHY2
Port 12..17
device 2
Adr 0..5
PHY3
Port 18..23
device 3
Adr 0..5
RxEnb0
RxCLAV0
RxEnb1
RxCLAV1
RxEnb2
RxCLAV2
UTOPIA
Interface of
ATM layer device
e.g.
PXB 4350 E ALP
PXB 4340 E AOP
PXB 4330 E ABM
RxEnb3
RxCLAV3
RxAdr(3:0)
RxBUS(9:0)
UTCLK
RxBUS(9:0) = RxSOC : RxPrty : RxDat(7:0)
UTCLK
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There are four different operating modes for the UTOPIA interface. Three of them are multi-PHY
modes which use the address bus. One additional mode is provided, for connecting Level 1 PHY
chips without address inputs. All modes are summarized in 7DEOH .
Data Sheet
5-137
04.2000