參數(shù)資料
型號(hào)： DM9801E
廠商： Electronic Theatre Controls, Inc.
英文描述： 1M home Phonrline Network Physical Layer Single Chip Transceiver
中文描述： 100萬(wàn)家庭Phonrline網(wǎng)絡(luò)物理層單芯片收發(fā)器
文件頁(yè)數(shù)： 19/61頁(yè)
文件大?。?/td> 589K
代理商： DM9801E
DM9801
1M Home Phoneline Network Physical Layer Single Chip Transceiver
General Purpose Serial Interface
(continued)
Preliminary
Version: DM9801-DS-P02
March 20, 2000
19
STDCLK
SRDCLK
STXEN
STXDAT
CRS
SRXDAT
CLSN
Once STXEN is cleared, the last symbol gets encoded and transmitted. The looped-back data is presented back to the MAC
and sometime later CRS falls. Once CRS falls, STDCLK and SRDCLK toggle for 97 clocks after which the system returns to
the Idle state.
TXPKT - STXEN Cleared
Figure 16
STDCLK
SRDCLK
STXEN
STXDAT
CRS
SRXDAT
CLSN
CLSN will be asserted some time after the preamble and SFD have been clocked in. STDCLK and SRDCLK are then clocked
until CRS drops. STXEN drops sometime after CLSN was asserted. CRS and CLSN are dropped together after more than
500 clocks. STDCLK and SRDCLK keep toggling for approximately another 100 clock cycles, then the system returns to the
idle state.
TXPKT - CLSN Asserted
Figure 17
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相關(guān)代理商/技術(shù)參數(shù)
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