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參數資料
| 型號： | STLC1510 |
| 廠商： | 意法半導體 |
| 英文描述： | NorthenLite G.lite DMT Transceiver |
| 中文描述： | NorthenLite G.lite大唐收發(fā)器 |
| 文件頁數： | 35/40頁 |
| 文件大?。?/td> | 426K |
| 代理商： | STLC1510 |
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STLC1510
The TxBP pin is not part of the Utopia Level 2 speci-
fication, but its functionality does not interfere with
the operation of the Utopia Level 2 Interface. It can be
left unconnected if necessary for a given application.
This signal is described in more detail in the NIF
chapter of this document.
Features of MPHY Layer Cell-Level Handshake (Rx
Direction):
I
A single MPHY port at a time is selected for a
cell transmission. However, another MPHY port
may be polled for its RxClav status while the
selected MPHY port transfers data. The ATM
layer polls the RxClav status of a MPHY port by
placing its address on RxAddr. The MPHY port
(STLC1510 device) drives RxClav during each
cycle following one with its address on the
RxAddr lines.
I
The ATM selects an MPHY port for transfer by
placing the desired MPHY port address onto
RxAddr, when RxEnb is deasserted (high)
during the current clock cycle and asserted
(low) during the following clock cycle. All MPHY
devices examine the value on RxAddr for
selection purposes when RxEnb is deasserted
(high). The MPHY port is selected starting from
the cycle after its address is on the RxAddr
lines, and RxEnb is deasserted (low); and
ending in the cycle a new MPHY port is
addressed for selection, and RxEnb is
deasserted (high).
Figure 24. illustrates the timing diagram of the re-
ceive interface when a cell is received from PHY N
and the other PHYs are polled.
Figure 24. UTOPIA Level 2 receive timing, polling phase and selection phase.
RxClk
RxEnb
URxData
RxClav
RxSOC
N-1
P40
P41
P42
P43
P44
P45
P46
P47
P48
H1
H2
H3
H4
1F
1F
1F
1F
1F
1F
1F
N+1
N+3
N
N+1
N+3
N-1
N-1
N+3
N+1
N
N+3
N+1
RxAddr
PHY N
PHY N+3
polling
polling
Cell transmission from:
selection
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| STLC2410 | 功能描述:電信集成電路 Bluetooth Baseband RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
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